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Subject: Best way to mic piano for classical recording?

Newsgroups: rec.audio.pro Date: 1999/03/23

I'm trying to figure out the best way to make a good classical recording
of a grand piano. The piano is a full size Steinway, and the hall has
excellent acoustics (Olin Arts Center at Bates College).

I can record to either DAT or ADAT. I have a Great River MP-2MH preamp,
and I have an assortment of microphones, but I'm not sure that I have
the best mics for this occasion. I'm also not sure how to set up the
microphones.

I have (2) neumann TLM 103's, a shure sm81, an an audio technica AT4041.
I'm guessing that a pair of small diaphram mics might be best, and I'm
considering getting a pair of neumann KM184's. But maybe I need omnis,
or figure 8's or something.

Anyone have advice on what mics would be good for this application, and
what sort of mic placement I should use?

Thanks,

Jeff Kew
jeffkew@home.com

Subject: Re: Best way to mic piano for classical recording?

From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro
Date: 1999/03/23


Recording the sound of a grand depends greatly on capturing the ambient in a coherent manner that includes the direct sound from the instrument with the ambient mix or sound of the hall. Without including the ambient in a natural coherent manner, the recording is going to sound more like a tinted two-dimensional 'piano wallpaper' version than the real thing.

Therefore, use of an ambient stereo mic and method that records like you hear sound will give consistent satisfactory results suitable for speaker and headphones and sound that's 'virtual' to the listener, identical to hearing that grand in that hall at the mic position.

The mic position is any place fairly close to the piano that gives a good mix of piano + ambient. Too close will make the piano far bigger than life (not a bad sound if working in a poor sounding hall), while too distant will simply sound like too much hall and not enough piano that sounds a bit too distant; this is simple enough.

Just listening 'with both ears' will give you what you want in the recording using an HRTF baffled omni pair. No other mic method works as easily or consistently to record what you're hearing.

Baffled omni (either Earthworks Matched Pair ..-30K or Sonic Studios DSM-6S/EH with PA-10PFC powering) will record the full ambient and natural sound of this instrument (and the ambient) and provide 'as you hear it' mic placement not possible with a 'finger in one ear' or stereo mic suggestions presented so far.

Only one HRTF baffle design exists that will do this job reliably....... the LiteGUY (reviewed by Fletcher in this NG and in an upcoming review in Pro Audio Review by Russ Long...... should print in May or June) or the DSM-GUY. Both exclusive from Sonic Studios until the 'others' catch up on understanding the acoustics.

The DSM mics are shown on my web site (WWW.SONICSTUDIOS.COM ) with reviews.

DSM mic models are at: http://www.sonicstudios.com/dsm.htm

A discussion of the why's of the baffled omni method is at:
http://www.sonicstudios.com/multitrk.htm

DSM mic powering is discussed at: http://www.sonicstudios.com/pa_x.htm

DSM recorded piano on page: http://www.sonicstudios.com/mp3.htm

 

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"


<< Subject: Re: Best way to mic piano for classical recording?

From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/03/24

From: "Jean-Marie MATHIEU" <jm.mathieu@wanadoo.fr>
Date: Wed, 24 Mar 1999 09:08:38 +0100
>Someone please elaborate on ORTF. Inquiring minds want to know. Also,
>what is the baffle technique mentioned?

You can find a description of this technique here :
http://www.josephson.com/tn5.html

>>


The HRTF Baffle method is discussed at: http://www.sonicstudios.com/multitrk.htm

The LiteGUY model baffle is shown at: http://www.sonicstudios.com/liteguy.htm

HRTF translates to 'Head Related Transfer Function' and is a general term for the effect of the head with and without the additional effects presented by the ears on the reception of omni microphones placed (in some manner) in close proximity to specific areas of a real persons head and/or ears. DSM translates to Dimensional Stereo Microphones.

HRTF is the modification of the normally flat and non-directional reception characteristic of a single omni microphone or multiples (two for stereo) of omni mics when placed near a real person's head or acoustically correct (LiteGUY) baffle. I know of some nearly successful attempts to provide this complex transfer function in a digital processing solution that have been attempted since DBX 'borrowed' a set of DSM mics for evaluation in 1986 (they 'nearly' wore them out in 3 months of continual laboratory use evaluating the HRTF effect and created a company division to 'try' to develop digital processes to recreate the HRTF effect in the electronic domain; this division later became an entirely different company whose efforts persisted after DBX closed operations).

For practical use with HRTF baffles, the omni mics must be as small as practical to avoid distortions associated with the mic body size interference on the acoustic energy; mic sizes of much less than 1/2" are best in terms of accuracy. Extended ruler-flat frequency response from below 10 cycles to beyond 25,000 is a decided advantage in an omni mic for HRTF baffle use. The DSM mics are specialized for this with many elecro/acoustical innovations not found in other very small microphones.

A BINAURAL microphone is a TYPE of HRTF baffled recording method that always includes mics positioned in or in close proximity of the 'ears'; like with Neumann, Aachen (heads), and Senn. 2002 series mics. The DSM HRTF (patented) method avoids the limitations presented by ear modification (like that with Binaural) HRTF by careful mic positioning in an adjacent area forward of the ears to the temple area of the head or related area on a baffle like the LiteGUY.

HRTF baffle recording has in more recent years been referred to as a 'Psycho-acoustic' method of recording (perhaps thanks to Ken Pohlman's writings) as it contains (by virtue of the HRTF mic modification process)'psycho-acoustic cues' that the ear-brain process recognizes as natural spatial sound perception information. These natural 'cues' are contained within psycho-acoustic or HRTF method type recordings like those produced by the DSM mics when personally worn or mounted on a baffle like the LiteGUY.

The recordings made with the DSM HRTF (patented) method are most consistent in providing 'as you heard it' recordings on both speakers and phones.

This of course makes setup far simpler because you can 'believe BOTH your ears' (for the first time in mic methodology history) to what the mic position sounds like to you regardless of anything else; and is most likely to sound the same over a variety of speaker systems to an even wider variety of listeners.

Learning to listen carefully with both ears is all you need to know about using this method, but for those 'old timers', just learning to listen at a mic position remains a true challenge of 'no small dimensions'. Pun intended!


Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"

Subject: Re: stereo bar for spaced omni recording?

Message 16 in thread Newsgroups: rec.audio.pro Date: 1999/03/07

From: Scott Dorsey (kludge@netcom.com)


In article <romain.920792965@kzsu> romain@kzsu.stanford.edu writes:
>In an ideal world, what would the good folk of r.a.p use to capture the bottom octaves in proper balance with the other part of the spectrum?
>Wouldn't most directional microphones tend to roll off the bass?

Most directional microphones turn into omnis down there. If you want to
build a cardioid mike with good low end, you need to use a very tiny
diaphragm and then you start running into S/N issues.

Personally, I use a pair of B&K 2615 measurement mikes, with the 4033
half-inch capsules. +/-3 dB points are at 2Hz and 35Hz. I set them
up in a Jecklin disc configuration, which gives you good front imaging
and still allows you to use omnis.

Gabe used to use a slightly different baffled omni configuration, the
Schoeps Sphere. In comparison, the tonality was very similar although
it required different placement than the Jecklin disc.

A friend of mine uses the Sennheiser MKH50 cardioids, but then has a pair of MKH20 omnis as outriggers to adjust the ambience. The Sennheiser RF cardioid mikes have pretty good low end response as cardioids go. I don't like the imaging, but he has the ability to adjust for the hall in post and the label he works for really likes that.

None of is stuff is particularly cheap, I am sad to say. Getting the whole audible range is not a trivial matter.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Message 17 in thread Newsgroups: rec.audio.pro Date: 1999/03/07

Subject: Re: stereo bar for spaced omni recording?
From: GuySonic (guysonic@aol.com)

In article <kludgeF88976.G3K@netcom.com>, kludge@netcom.com (Scott Dorsey) writes:

>Subject: Re: stereo bar for spaced omni recording?
>From: kludge@netcom.com (Scott Dorsey)
>Date: Sun, 7 Mar 1999 13:52:17 GMT
>
>In article <romain.920792965@kzsu> romain@kzsu.stanford.edu writes:


>>In an ideal world, what would the good folk of r.a.p use to capture the bottom octaves in proper balance with the other part of the spectrum? Wouldn't most directional microphones tend to roll off the bass?
>
>Most directional microphones turn into omnis down there. If you want to build a cardioid mike with good low end, you need to use a very tiny diaphragm and then you start running into S/N issues.
>
>Personally, I use a pair of B&K 2615 measurement mikes, with the 4033 half-inch capsules. +/-3 dB points are at 2Hz and 35Hz. I set them up in a Jecklin disc configuration, which gives you good front imaging and still allows you to use omnis.
>
>Gabe used to use a slightly different baffled omni configuration, the Schoeps Sphere. In comparison, the tonality was very similar although it required different placement than the Jecklin disc.
>
>A friend of mine uses the Sennheiser MKH50 cardioids, but then has a pair of MKH20 omnis as outriggers to adjust the ambience. The Sennheiser RF cardioid mikes have pretty good low end response as cardioids go. I don't like the imaging, but he has the ability to adjust for the hall in post and the label he works for really likes that.
>
>None of is stuff is particularly cheap, I am sad to say. Getting the whole audible range is not a trivial matter.
>--scott
>--
>"C'est un Nagra. C'est suisse, et tres, tres precis."
>
>

Hey Scott! You forgot to mention Sonic Studios LiteGUY with DSM microphones again! After Fletcher gave his personal experience account and approval in a recent post, it should be an option mentioned by now and is a fraction of the cost of many alternatives mentioned with performance that's at least equal to the best stereo microphones (regardless of cost) in terms of seamless imaging and
frequency response.

Sound Clips of all kinds of music instruments and ambient recordings are available on my site listed below. Many magazine reviews and recording tips are also available there.

The DSM microphones are not nearly as critical of placement as the Jecklin Disk or other stereo microphones because of the natural mechanisms of sound reception that's being used with the DSM microphone. Just listening to the mix at the microphone postion is enough to get exactly that sound without worry.

This consistantly easy placement with Sonic Studios DSM mic is not possible with any other type of stereo microphone as they do not record sound like we tend to hear it. This is why Scott mentions that placement varies with the type of stereo mic used. Therefore, if the mic doesn't record sound like you are hearing it (a known fact for the microphones mentioned so far in this thread), proper placement is going to be much more difficult as the recorded results will sound vary different with every type of playback mode used (includes speakers of all types and headphones of all types).

The Jecklin Disk is a sort of baffle that has little to recommend as it is NOT a true HRTF (Head Related Transfer Function) design. Only two true HRTF baffles exist and both are available from Sonic Studios. The Schoeps Sphere is way off the mark in presenting a good baffle to spaced omni capsules and remains a mystery to me why a company as good as this (excellent mics for sure) created such an odd thing that only works well on rare occasion. I would mention others that are at least close to an accurate acoustical HRTF design, but no others exist so far. Only Sonic Studios has designed an accurate HRTF baffle and I can't tell you why I'm the only one who has it as the design was not that difficult.

(Look for an upcomming review from Russ Long in Pro Audio Review on using the LiteGUY baffle with the DSM microphone in studio sessions he recently has done; this will be on my site with permission after it's published)

Frequency response of the DSM microphones is ruler flat from 10 cycles to above 22,000 with significant response out to beyond 30,000. You couldn't ask for a more affordable and quality way to record ambient stereo sound. Large instruments like piano, organ, drum kit, choral, and orchestral are prime for using this type of microphone offered exclusively for over 13 years by my company.

Best Regards in Sound & Music Recording, Leonard Lombardo

Subject: Re: stereo bar for spaced omni recording?
From: Scott Dorsey (kludge@netcom.com)
Newsgroups: rec.audio.pro Date: 1999/03/07 Message 18 in thread

In article <19990307153801.28255.00002247@ngol02.aol.com> guysonic@aol.com (GuySonic) writes:
>
>The Jecklin Disk is a sort of baffle that has little to recommend as it is NOT a true HRTF (Head Related Transfer Function) design. Only two true HRTF baffles exist and both are available from Sonic Studios. The Schoeps Sphere is way off the mark in presenting a good baffle to spaced omni capsules and remains a mystery to me why a company as good as this (excellent mics for sure) created such an odd thing that only works well on rare occasion. I would mention others that are at least close to an accurate acoustical HRTF design, but no others exist so far.

Neither the Jecklin Disk nor the Schoeps sphere are _supposed_ to model
the head in any way. That's not what they are for. They are both methods of introducing some directionality into a an omni microphone. In both cases, the output of the mike more closely relates to something like an ORTF setup than a headworn setup.

Ultimately, what a conventional stereophony system is aiming for is to recreate the wavefront in the studio. This is clearly not possible, since you have a three-dimensional wave and you can only reproduce it at two points. But you can get surprisingly close.

You could argue that since you're listening to the music with ears that are attached to your head that it's already going through a head-like transfer function once, and that you wouldn't want to run it through twice unless for some reason it's being bypassed in playback (like with headphones). I won't get into the argument, because indeed the system from Sonic Studios works pretty well. But it's an interesting argument to follow and you can take it both ways pretty well.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Subject: Re: stereo bar for spaced omni recording?
From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/03/08

In article <kludgeF88v9y.2rs@netcom.com>, kludge@netcom.com (Scott Dorsey) writes:

>Subject: Re: stereo bar for spaced omni recording?
>From: kludge@netcom.com (Scott Dorsey)
>Date: Sun, 7 Mar 1999 21:49:09 GMT
>
>Neither the Jecklin Disk nor the Schoeps sphere are _supposed_ to model the head in any way. That's not what they are for. They are both methods of introducing some directionality into a an omni microphone. In both cases, the output of the mike more closely relates to something like an ORTF setup than a headworn setup.
>
>Ultimately, what a conventional stereophony system is aiming for is to recreate the wavefront in the studio. This is clearly not possible, since you have a three-dimensional wave and you can only reproduce it at two points. But you can get surprisingly close.
>
>You could argue that since you're listening to the music with ears that are attached to your head that it's already going through a head-like transfer function once, and that you wouldn't want to run it through twice unless for some reason it's being bypassed in playback (like with headphones). I won't get into the argument, because indeed the system from Sonic Studios works pretty well. But it's an interesting argument to follow and you can take it both ways pretty well.
>--scott
>--
>"C'est un Nagra. C'est suisse, et tres, tres precis."
>

The twice HRTF process argument is a very valid issue especially with Binaural HRTF that uses the modification of the head_and_the_ears to modify the microphone reception.

Using the complexity of ear modification presents the problem of twice HRTF processing speaker playback woes that are well known. The DSM aproach is not so limited. I was granted a methodology patent on the process employed with the DSM HRTF method of using just the head_without_the_ears as the sole modifier of the omni microphones because the results are far more general purpose and very effective for ambient stereo recordings that are reproducible from most any stereo or surround speaker and all headphones, especially open air types.

The Binaural (in the ear) mic method is a very effective type of HRTF recording, but only for headphones, especially closed or 'in the ear' types where (as Scott mentioned) the twice processed limitation is circumvented by eliminating the head + ears for listening. Also, ears vary greatly with people, so a general ear modifier doesn't work for everyone. NOTE: Many commercially available Binaural microphones systems like the Neumann or Aachen Head use special filters to change the mic signal from true binaural to something else that works a bit better with the general population of headphone listeners with varied ear shapes.

However, head only HRTF modifiers (like the LiteGUY) are more effective as head size doesn't vary very much over the entire human population making this mic method consistent. Virtually everyone who hears the recording can relate naturally to the 3-D ambient sound cues without mental 'reconfiguration' of the sound reception cues.

Having the HRTF processing of just the head modifier (sans ears) seems not to be a problem (thankfully) as this sound is prime for listener's perceptions with using their own head + ears with virtually no confusion with the head-only HRTF double processing that does take place with speaker playback listening.

The ears do so much acoustic processing on their own, that the pre-HRTF processed recording just sounds like a live recording with coherent 3-D ambient sounds that give the recording depth. The feeling of depth is something that is largely missing from the other stereo microphone methods discussed and is one the main advantages that the DSM approach has over just 2-D stereo imaging that cannot capture the 'sound cues' like we need to hear them. Only by using a baffle like the LiteGUY can those 3-D wavefronts, that Scott previously mentioned, be recorded so that we can later hear them and re-associate them (a psycho-acoustical brain process) like we do when listening to the live sound at the chosen mic position. The depth is part of the surrounding space and needs be recorded with natural coherent mic methodology like the DSM. Using disks or spheres or whatever else you want that falls short of the true HRTF will not consistently allow making a coherent ambient 3-D surround sound recording.

Studio recording methods (as often discussed in this group) have mostly gotten along very well, although other times not so well (like with piano), without dealing with the real issues of ambient sound by using close mic, not-natural stereo mic, and multitrack methods with/without post-EFX processing. However, recording LARGE instruments that are the ENTIRE BUILDING, like an acoustic organ, really raise the question on how to record the sounds of an instrument that involves (or should involve) the entire 360-degree acoustic ambient.

This can only be done successfully, in my knowledge, by recording all the sound in a 3-D 'coherent' surround-sound manner. While there are many approaches to doing this, only one mic method (DSM...HRTF) really delivers consistent performance regardless of working ambient (stage width, distance, ambient reflections, and so on) by recording in a very natural (coherent) manner that replicates own natural stereo reception mechanisms and consistently fulfills the need of the listener (our 'end customer') to effortlessly re-live the acoustic experience from the resulting recording.

It's not really that high tech, just very 'high natural'. And until I get greedy (or perhaps just more realistic) on my pricing, the DSM system is a bargain you can't refuse to take me up on if you want to bring that sound back fully alive virtually (pun intended) every time.


Best Regards in Sound & Music, Leonard Lombardo

Subject: Re: Hail Curtis...was:Mic positioning for choir (+Fletcher's HRTF session comments)

From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/02/06

In article <36B8F703.7748@mercenary.com>, Fletcher <Fletcher@mercenary.com>
writes:

>Subject: Hail Curtis...was:Mic positioning for choir (+Fletcher's HRTF
>session comments)
>From: Fletcher <Fletcher@mercenary.com>
>Date: Wed, 03 Feb 1999 21:25:24 -0400
>
>>
>> In article <36b4ea6f.0@newsread3.dircon.co.uk>, "Frank Wood"
>> <woodf-l@dircon.co.uk> writes:
>>
>> >Subject: Re: Mic positioning for choir (+Fletcher's HRTF session comments)
>> >From: "Frank Wood" <woodf-l@dircon.co.uk>
>> >Date: Sun, 31 Jan 1999 23:41:10 -0000


>> >Spaced pairs can give you an awful hole in the middle. The classic way is a coincident pair of anything from straight cardioids to figure-of-eights, according to how much ambient (i.e. reflected) sound you want. Hypercardioids, even.
>> >
>> >I missed Fletcher's HRTF post, but as far as I can tell, this sounds like a way to add a directional character to omnis.

>


>I missed it too...Like I think I forgot to do it...so let me try and make amens. Leonard was kind enough to send me a dummy head with a couple of the mics that clip on where the ears would go on a human. We named the brother "Curtis".
>
>After properly dressing Curtis (do-rag, shades, mouth complete with cigarette-unlit), Curtis was led around the "Mainstage" recording space.

>This was setup number 2 of three, it was on the 100'x40' rehearsal stage at Longview Farm. Along with a rather excellent sounding set of Ludwig drums were 2-SVT's, 2 of my custom Aerosmith (started as HD-130's and got louder from there) amps...and a fairly decent EAW FOH system so you could hear the drums over all that racket. Average SPL for the stage >was about 122db.
>
>The SR sytem also had the loops (on the songs they were used...not all of 'um) coming out of it, as well as a reference vocal. The kit was mic'd with a Neumann M-147 about 4'(ish) in front of the kit, and a Neumann KM-54 over the drummers right shoulder.
>
>The PA was fed by a Shure 57 for the snare, a Shure 57 for the kick, a 421 for the rack tom, and a 421 for the floor tom. It took about a day to get the drums sounding really good out of the PA (yeah, 57's...what of it?), but when we got it sounding good...Curtis put you in the environment that was that stage, sans the pain of being up there for an extended period of time (my tinnitus was ringing nearly as loud as the damn stage by the end of 2 weeks).
>
>Last weekend past was the start of vocal and percussion overdubs, I was amazed at the feeling of space Curtis was able to capture. Curtis was even better after some rest (which is not always the case in my past experience). It quite captured the feeling of being there, added a thickness and dimension to the recording that I'm not too sure could have been captured by another method...it was more than just a clarity, it really gave me a sense of being there.
>
>Whatever the thing is called...Mr. LiteGuy, HRTF, DSM, Curtis...he rules. I think one of the things that amazed me most was that when I first put Curtis up, I did it "intellectually"...I thought about where I thought was going to sound best for Curtis...after two days of fucking with the sound and balance of the band on the stage, I noticed myself gravitating to one spot on the stage, and listening from there. I got a really good balance of drums, guitar and bass at this one spot...so when Curtis went to that spot, I got the same sound in the control room. The "intellectual" spot wasn't bad...but the balance was a bit off...more like "drum ambience" mics, which wasn't my intended purpose. The intention being to get a balance of the whole band playing...which I got, but I got a bit more.

>I've lightly messed with it a little bit, nothing major, but tried a little compression for the after session ruff mixes...they needed a little lower mids pulled after adding a bit of compression, but that has more to do with the environment than Curtis. The rear KM-54 required a similar pull on some low mids as well. The M-147 just sat there like the cardioid lumox it is and did an excellent impression of a 47fet with too much output...in other words, it sounded really good (he said breaking an arm patting himself on the back...OK it sounded like I wanted it to sound...no, this will never get a Grammy nomination...but I think it sounded right for the band...enough).
>
>I don't know what Curtis sells for...but I do believe he's on the wish list for the future. I don't really think I want to cut more basics without him...he's become a real pal!!
>
>Sorry this took so long to post, but I think only Leonard was waiting for it, and frankly, I'm really glad to have had the opportunity to review the tracks again before posting this.
>--

>Fletcher
>Mercenary Audio
>TEL: 508-543-0069
>FAX: 508-543-9670
>http://www.mercenary.com


Well, you're right (as usual), it seems like I may be the only one waiting or cared for hearing about how an (HRTF) LiteGUY baffle with DSM mic actually worked within a real recording session.

I for one appreciate your kind effort and care in writing a report that also provided much insight to session and post session work in general that should've been of interest to others (besides you, me, and a maybe few 'silent' others) within this NG who have interest to learn about acoustically mic'd ambient stereo recording methods like using "Curtis" and spot mics for bringing a session within acceptable focus.

Of main importance is your being able to hear a good ambient mix at some postion and then get that exact same sound recorded using LiteGUY 'Curtis' in the same postion. The LiteGUY baffled spaced omni mic feature of being able to just listen normally (not having to plug one ear and then second guess or trial and error reposition the mic as Scott often suggests) for a good mic placement position should be of great value for recordings that need be quickly setup and allow little time for trial and error refinements. No other stereo mic method (other than a LiteGUY type mic) will 'always' and reliably give that "what you hear is what you actually get recorded" ability.

Fletcher, thank you for the informative post and for having the courage to try something new.

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"

Subject: Re: Hail Curtis...was:Mic positioning for choir (+Fletcher's HRTF session com...
From: hank alrich (walkinay@thegrid.net) Message 2 in thread Newsgroups: rec.audio.pro Date: 1999/02/06

GuySonic <guysonic@aol.com> wrote:

> Well, you're right (as usual), it seems like I may be the only one waiting or cared for hearing about how an (HRTF) LiteGUY baffle with DSM mic actually worked within a real recording session.

Wrong! <g> I was looking forward to Fletcher's reaction to your setup, and now it's archived.

Damn, so many mics; so little money!

--
hank - secret mountain
Note: the rec.audio.pro FAQ is at http://recordist.com/rap-faq/current
Read it and reap!

Subject: Re: Another $400 mike question (Pipe Organ Recording)
From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/11/07

In article <19991105193922.27390.00001179@ng-fb1.aol.com>, nhsns@aol.com
(Nhsns) writes:

>Subject: Another $400 mike question
>From: nhsns@aol.com (Nhsns)
>Date: 06 Nov 1999 00:39:22 GMT

>
>What is the best single-point stereo microphone less than $400. It must NOT require phantom power--or any strange, difficult to obtain battery.
>
>The best recommendation I've received so far is the Sony ECM-999. If you have an alternate choice, please let me know.
>
>Good bass performance is mandatory. This mike will be used for pipe organ recording.
>
>Thanks a bunch,
>

>Norm Strong (nhsns@aol.com) or (norm@scn.org)
>2528 31st South, Seattle WA 98l44
>

Your post for a reasonable way to record the full bandwidth of a pipe organ in stereo is best done with two full pressure type omni microphones.

None of the single point microphones, ribbon microphones, or any of the other types posted as suggestions will work out for at least lack of pressure type bass response regardless of what the posts claim and for other just as important stereo imaging requirements.

However, using these two (pressure type) omni microphones spaced out in some manner is not enough for recording the spatial ambient sound in stereo that's also very important for making a satisfying large size acoustic instrument recording.

A baffle needs be used placed between the two mics for the ambient stereo aspect to also be recorded faithfully.

Jecklin Disk type baffles are OK and far better than NO Baffling, but lack some important (HRTF) features for consistent results.

My site listed below has tips, reviews, mics, baffles, and sample sounds of pipe organ recorded with Sonic Studios (my own company) DSM designed mic systems.

Suggested mic model: DSM-6/H (headworn or using the LiteGUY HRTF Baffle)
Some URL's to view:
http://www.sonicstudios.com/mp3.htm (see St. James Cathedral, Seattle recording)

http://www.sonicstudios.com/liteguy.htm

http://www.sonicstudios.com/reviews.htm

Mic models suited to your music or sound recording tastes are listed at:http://www.sonicstudios.com/dsm.htm

Powering & bass filter considerations are discussed at: http://www.sonicstudios.com/pa_x.htm

E-mail me with questions and about your current recording deck/preamplifier equipment for best system fit suggestions.


Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Subject: Portable Audio....
From: Jaspenn (jaspenn@aol.com) Newsgroups: rec.audio.pro Date: 1999/09/19

Please excuse me if this is not the proper NG, but I'm looking for suggestions and information on portable audio recording hardware and software. I will be recording audio (non-musical) in various places and will want to post edited versions to a web site on a routine, daily basis. I will need to record as much as 2 or 3 hours at a time (on tape?) and then send excerpts to a web site. Can this be done on a lap top? Or will a seperate recorder be more likely? Any advice and recommendations will be appreciated, especially by email. Thank you.


From: GuySonic (guysonic@aol.com)Subject: Re: Portable Audio....


I know that at least some would say this is the right place to post this subject.

Your desire for recording (stereo ambient sounds?) might be well served by
using a portable MD like Sharp's MD-MS722 or (better for long duration &
highest quality) Sony PCM-M1 DAT deck.

(PRODUCT PITCH) Many who are doing similar live field recordings are finding
Sonic Studios (my own company & product) HRTF baffled or headworn DSM stereo
mics a perfect fit

Sonic Studios' Site content is extensive and dedicated to this type of
recording with reviews, recording tips, recommended hardware, and .MP3
sounds/Music done by others and myself (with taking my own advice on recording
methods/mics/decks). Take a look there for some examples and good ideas.

See:
http://www.sonicstudios.com/mp3.htm

http://www.sonicstudios.com/reviews.htm

Recording directly to a Laptop is feasible (maybe consider using an Opcode
DATport or currently available www.M-Audio.com external USB soundcard device or similar on a laptop)
, but I'd strongly suggest recording to DAT tape while digitally outputting USB ported audio as described at: (http://www.sonicstudios.com/datport.htm). Laptop live audio recording seems to be not nearly reliable enough and too power hungry for casual portable use.

The affordable and practical Sony PCM-M1 DAT deck is ideal for making reliable
very high quality 2-track 2-3 hour length recordings with or without the laptop in the loop.

As a side note along with this topic, I did a recent on location (Jazz piano, drum, bass trio) session work using HRTF LiteGUY baffled DSM-6S/H mic on a boom, custom DC servo preamplifier, and a full size Sony R-500 DAT deck running tape but with digital output to a (all UPS powered!) Laptop DAW+CD-R system with a DATport digital I/O.

What I really liked about having the session (successfully!) already on a DAW Hard Drive was the ability to hand the client not one, but two 50+ minute length CD-Rs of the most promising takes within 45 minutes of the session's end! The customer (who was very time-limited as to get to his evening performance) took home the 2 CD-Rs (25 total tracks) for later careful listening and this allowed the next day "backup" sessions to be deemed unnecessary.

The quickly done rough-track CD-R allowed good customer assessment of usefulness of the session's recorded tracks and completion of the all goals in that first day. It took only about 4 more hours to edit/master a proper 60+ minute worth of CD-R tracks suitable for assembly and duplication without once
needing to transfer anything from the DAT "backup" tapes.

This is all very good when the Laptop recording system works, but just one little problem during the session with the Laptop, its software, or interface would likely have made this a two day session (like NO customer take-home CD-R & QA) with double or triple the time required to transfer material from the DAT "real-time" tape to the DAW edit/mastering process.

While some of you may have debugged and now use a reliable "fixed_in_place" studio system with this direct to hard drive edit advantage, mine was a on-location quick setup job that just happened to have everything work like it did at "rehearsal" back at the ranch. I just wouldn't bet everything on a laptop system working flawlessly every time; better to have a DAT tape copy also running just in case.

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Subject: tuning near-fields

From: Christian Esteves (esteves32@worldnet.att.net) Newsgroups: rec.audio.pro Date: 1999/09/15

>newbie...can anyone inform me how to correctly tune near field monitors....(a brief explanation much appreciated)


This generally is not done.

Close monitors are left natural, as it is assumed that they will not be running so loudly that faults in the acoustics of the room will be overly abundant. (Though this is not always the case).

'Tuning', applies to the acoustic environment in which you have placed a speaker. That tuning is preferably done by modifying the physical shape of the room and it's reflectivity. IOW, you are tuning the room by making physical changes, not tuning the speaker itself.

Inserting an EQ in the path of the control room playback in order to make the final, minute adjustments when using mid field or distant (large) monitors, may be what you are referring to. It's the 'fine-tuning' that might still need to come after the physical (structural) changes and surface treatments are made. It's not recommended and should be considered last, after other methods of taming the room are exhausted.

After sentence one, that's about as brief as it gets.

David Morgan (MAMS)
Morgan Audio Media Service
Dallas, TX (972) 622-1972

___________________________________________
Message 3 in thread
From: Bill Roberts (wroberts@grove.ufl.edu) Subject: Re: tuning near-fields Newsgroups: rec.audio.pro Date: 1999/09/15

Christian Esteves wrote:
>
> newbie...can anyone inform me how to correctly tune near field monitors....(a brief explanation much appreciated)

I assume you mean you have monitors that have switches offering options of increased highs, etc.

With regard to bass, this is selected according to whether you are placing them in a corner (you need the most bass cut to compensate for this), against a wall (some bass cut), or in free air.

With regard to treble, I would leave it flat and then see how the reproduced sound (from a recording that is very natural sounding, perhaps one you made yourself using a very neutral mic, or a CD) compares to natural. If the sound from the speakers has more or less treble or bass than the original sound then change the settings.

Also see how mixes seem to translate when you play them in cars, home stereos, etc. If mixes played outside
the studio don't have enough highs, for example, though they sounded right in the studio, then the monitors are adding highs you don't want and you should change the setting.

Problem is if you are not experienced with how things "should" sound then you really cannot do this. If you make the studio monitors sound like a home stereo that has the graphic EQ set in a smiley face (boosted top and bottom and scooped in the middle) and with the loudness button on, you will be screwed. And if that is your idea of how things should sound, you will be screwed until you learn otherwise.

-- Bill


Message 4 in thread
From: Randy (rkirk@rocketmail.com ) Subject: Re: tuning near-fields Newsgroups: rec.audio.pro Date: 1999/09/16


Bill Roberts <wroberts@grove.ufl.edu> wrote in message
news:37E050A6.C2261ADC@grove.ufl.edu...

If you make the studio monitors sound like a home stereo that has the graphic EQ
> set in a smiley face (boosted top and bottom and scooped in the middle) and with the loudness
> button on, you will be screwed. And if that is your idea of how things should sound, you will
> be screwed until you learn otherwise.

hmmm. I'm never been a full-time engineer, but I've recorded and mixed a lot of demos over the years and I don't quite agree. While I do mix with my near field moniters and amp EQ'd flat, at times I have difficulty getting the right bass level that sounds great on other stereos. With small moniters, the bass response (obviously) isn't there.

So.. (purists please disregard) in addition to monitering flat, I also moniter with the loudness switch ON (at lower volumes), if for no other reason to provide a different POINT OF REFERENCE, not unlike playing the mix on a different system. Since many people (myself included) tend to boost bass when listening for pleasure (especially electronic music), why not also moniter with same settings as you'd normally listen to, and are most accustomed to? My point here is that boosted bass has become it's own reference standard for the general public, so why not use it as a tool?

I've found that the easiest way to determine whether or not I've got too many lows in the mix is to moniter with the loudness switch ON. If I've mixed the bass too loud while monitering flat, the loudness button blows it WAY out of proportion -- an obvious sign that I should ease back on the lows. The bottom line is to have points of reference that you can work with.

By the way, I probably wouldn't do this if I mixed with a subwoofer and/or larger moniters.

OK bring on the flames, tinnitus-heads. ; )


Message 5 in thread
From: GuySonic (guysonic@aol.com) Subject: Re: tuning near-fields Newsgroups: rec.audio.pro Date: 1999/09/16

Applying a MONO FM interstation sound (or pink noise) to each speaker after placement is fairly certain will help setup the stereo imaging aspect.

My technique is to then listen 'dead-center' at the listening position for how this mono signal images. I find it more ideal when the noise appears to come from the exact center and seems about 1/4 to 1/2 the speaker spacing width at the optimum listening position.

The monitors are angle adjusted (towed inward) to make the mono "pink noise" sound as narrow or as wide as you desire and this angle will vary with the speaker and the frequency; pink noise has virtually all frequencies and serves to test the full range frequency imaging aspect of any speaker and the speaker position.

I personally like fairly wide space speakers that're usually at least as wide spaced as distant from my listening position and angled to focus 'just in front' of my head.

Usually, the closer you're positioned to the monitors, the more critical the speaker/listening positioning for accurate imaging. The larger the monitor speaker, the more distance is required to widen the usable listening position. Getting at least a full 12 inches of critical listener position side-to-side width might be considered quite adequate for nearfield monitor setups. (also see surround speaker positioning suggestions on the tips page)

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Subject: Re: Question from a new poster Message 9 in thread
From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/09/10

In article <19990909193310.25386.00006342@ng-fz1.aol.com>, hatnyc62@aol.com (Hat NYC 62) writes:

>Subject: Question from a new poster
>From: hatnyc62@aol.com (Hat NYC 62)
>Date: 09 Sep 1999 23:33:10 GMT
>
>Do you know what the big labels like Sony are doing when they record clarinet with piano or with orchestra to 'sweeten' the sound of the performer. I am mostly speaking in terms of microphone placement. If you have heard some of the better known performers live and on records, you can hear that the engineers have found a flattering way to record some of the clarinetists today.
>
>I am asking because a friend of mine and I have been doing some experimental recordings with some excellent equipment (neumann u89, millenia media pre, apogee 24 bit converter). The sound we get is mostly accurate, but rather clinical, definitely not 'flattering' to the clarinet sound. I was wondering if there was something we hadn't thought of.
>
>Thanks in advance for your thoughts.
>
>

You might consider a completely different microphone method that records an ambient stereo more nearly to how you hear the sound at the recording position.

This type of recording (download some of the .mp3 music samples on my site) consistently provide a very complimentary sound of all acoustic instruments at fairly close to further out distances.

Distance or mic position is a variable that is best determined by actually normally listening for the better mic positions. The mics and methods so far discussed will not allow you this convenience as they do not record like or what you're hearing.

A mix of direct instrument to acceptable ambient sounds will be different for each room, instrument, and desired effects appropriate for the composition. Listen for what's acceptable, then record it at this chosen position with this stereo microphone.

DSM-6S/EH or /H models are suggested either headworn or with the HRTF GUY or LiteGUY mounting baffle.

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Message 3 in thread
Subject: Re: Recording a small choir & instruments
From: Scott Dorsey (kludge@netcom.com) Newsgroups: rec.audio.proDate: 1999/04/11

In article <1dq3sll.4gqbfh13pd0k2N@ppp00664.01019freenet.de> saetc@gmx.de (Hannes) writes:

>
>I am a student in audio technology in Germany. Please excuse my simple English, my last lesson took place really long ago.

My German is far worse. You are doing much better than I would be able to do in German.

>I am going to do a recording in a church. There will be: - a choir, consisting of 5 girls - two instruments: an acoustic guitar and a small drum, both played by members of the choir.
>
>The problem is that the girls are not used in working with headphones. I fear that they will not be able to perform properly when I first record the instruments and then record the choir hearing the instruments and themselves on the headphones.

Why do you want to do this in multiple takes with overdubs? Why do you
want to use headphones anyway?

This seems like a very appropriate use for a single microphone pair, just
recording the whole ensemble as one. You have musicians who are used to
playing with one another and who naturally balance themselves, so don't
wreck up the balances. Just set up an ORTF pair and position it until you
get a good mix.

--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Message 4 in thread
Subject: Re: Recording a small choir & instruments
From: Lars Kr. Tofastrud (romakust@online.no) Newsgroups: rec.audio.pro Date: 1999/04/11

Mr Dorsey is absolutely right!

No reason at all to use headphones and stuff

Use a pair of Earthworks QTC1 and a good mic pre-amp and a nice recorder. (Tascam 24bit DAT or some PC based stuff with at least 20 bit resolution)

you should get a natural and correct balance if they are capable of playing/singing together (I suppose they do)

Stereo will probably blow you away! Listen to your recording in a nice mastering quality hi-fi room and you will be thrilled!

Best regards
Lars Tofastrud


Message 5 in thread
Subject: Re: Recording a small choir & instruments
From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/04/11

While I agree with Scott and Lars on the stereo pair approach as best, the ORTF pair is directional and excludes side/rear ambiance with also inducing undesirable and quite audible phase distortions. Setup is a bitch as you never really know what you're going to get and it sounds different with each playback system. Trusting what you hear during setup is not going to provide much security with this microphone method.

Just spacing a single pair matched omni removes the phase distortions problem nicely, but this mic method presents frequency dependent phase cancellations (due to the spacing) that are audible to very audible with great difficulty or impossible to remove after the fact with any satisfaction.

Setup is a bit easier with spaced omni method as the flanging is more consistently audible allowing the adjustments to be made with much necessary rehearsal as the sound stage+ambient is active in producing an acceptable distance from the stage and spacing of the mic array. But, setup is still a bitch as you can still never be completely sure of he final product even with much setup time. Trusting what you hear is not part of this method of mic technique.

With both these previous discussed methods, much luck and experience is needed to get OK results.

An advanced method of mic technique again uses two matched omni, but with a HRTF baffle between; and NO, this is not a disk or sphere baffle. This HRTF baffle eliminates audible flanging common with spaced omni and makes setup a snap as just listening with both ears in a normal "surround-sound" mode to what the sound is like at any chosen mic position will reflect exactly the recorded sound as reproduced by a wide variety of speakers and headphones. Setup is most easy and reliable because the mics record in a manner that replicates how sound is heard, but is not a binaural method with binaural limitations of playback. DSM recorded Sound is naturally Pro Logic encoded for playback with full 360 degree ambience available.

While my company provides both mics and HRTF baffle hardware specialized for this purpose. Your choice of paired omni mic is your own, but HRTF baffles of proper design are only available from Sonic Studios or use your own head to baffle the similar mics.

A discussion of the HRTF recording method is found at: http://www.sonicstudios.com/multitrk.htm

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Subject: Re: Recreating Spatiality in Mix View

From: GuySonic (guysonic@aol.com)Newsgroups: rec.audio.proDate: 1999/04/11

In article <cclee-1004992302470001@a27-44.itis.com>, cclee@itis.com (Chia Chin
Lee) writes:

>Subject: Recreating Spatiality in Mix
>From: cclee@itis.com (Chia Chin Lee)
>Date: 11 Apr 1999 04:03:40 GMT
>
>I'm experimenting with ways to achieve better spatiality in my mixes, and I thought I'd turn to you guys for some thoughts and advice.
>
>First, some background concerning what I'm aiming for. I'm working with electronically-realized orchestral music. After a/b-ing my music with what I consider to be good mixes, I have found one *major* difference.
>Although my mixes have good balance in terms of Left-Right relationships, the mix is severely lacking in a sense of Front and Back.
>
>Granted, most of the music I'm comparing against are performed live, in a real acoustical space, so I'm not really being fair. What I'm aiming to do is to simply give my sample-based music a better sense of spatial depth
>through panning and reverb.
>
>Here's what I'm doing right now:
>I've attempted to create a sense of space by submixing 5 sections (Front, Near Front, Middle, Near Back, Back) of the orchestra. All the individual instruments are panned according to where they sit in the orchestra, and >placed in each section of the submix. I am mixing the Front section (First Violin, Cello, Bass) with the least reverb, with each submix increasing in reverb, until the Back (mostly Percussions) which receives the most reverb treatment.
>
>As I said, I am quite happy with the Left-Right result of the mix (panning is easy... :), but the Front-Back is sounding less distinct than I'd like. Ideally, I'd like to be able to close my eyes and have a mental image of the placement of the source of the sound.
>
>
>If you have any ideas on how to recreate better spatiality in a mix, I'd appreciate it.
>
>Thank you!
>

While full Dolby 5.1 processor encoding remains an option for doing something like this, my site has an article on how to do this in a reasonably good sounding ambient by staging playback speakers of the tracks you want to
localize in real dimensional space. This method is prime for taking electronically synth sounds with no dimensional acoustics and adding the 3rd dimension via re-recording with a 3-D stereo microphone method that then provides the final mix with all the needed realism of hearing this as an acoustic event at the 3-D stereo mic position.

The psycho-acoustical cues of dimensional hearing (like what we use to localize sounds in real acoustic space) is what the DSM microphone records using a specialized (patented) Head Related Transfer Function (HRTF) baffling of miniature spaced omni (the DSM mics).

URL for this article is: http://www.sonicstudios.com/multitrk.htm

The hardware to do this type of recording is also featured on the site listed
below.

Best Regards in Sound & Music, Leonard Lombardo
Sonic Studios(tm) "Making Audio History With DSM(tm) Microphones"
Ph.541-459-8839 USA Free:1-888-875-4976 WEB: www.sonicstudios.com

Subject: Re: Recording a Piano/Vocal Combo

From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/03/31

In article <3700EB3F.E998F9A@millerthomson.ca>, Jordan Slator <jazz@v-wave.com writes:

>Subject: Recording a Piano/Vocal Combo
>From: Jordan Slator <jazz@v-wave.com>
>Date: Tue, 30 Mar 1999 08:18:23 -0700
>
>I've been asked to record a few songs by a friend's piano/vocal duo,
>and I need some advice on both equipment and technique. My own
>equipment (Makie, SM57s, etc.) is basically geared for budget
>basement-rock demo type stuff, but I want something better quality for
>this recording. They want to press a few CD's and use them for
>demo/portfolio purposes.
>

I'd approach this in an easy and natural way using one or both the following suggestions.

Have the vocalist wear a DSM HRTF stereo microphone and stand at a position
where the piano (facing the open side) is considered a good mix with the vocal
(listen on phones to the stereo to determine this position). This method is
beneficial with vocalists of all kinds of ability and you'll just need to
listen to the ambient piano mix with the vocal to determine where the vocalist
is heard at a good level the piano; consider this THE MIX (all acoustic here)
with hearing a good balance of the two. Very simple and fairly foolproof.

Second method is to place the vocalist in front of the open side of the piano
facing away towards the DSM headworn by you, an assistant, or baffle worn on
the LiteGUY HRTF baffle. Wearing this stereo mic yourself will instantly give you the
'as-you-heard-it' recorded mix (no headphone monitoring necessary, but using
sealed earbuds is a possibility for the insecure when self wearing this mic).
Spacing the vocalist's distance from the piano adjusts the vocal to piano mix,
and spacing the DSM microphone from the vocalist will give the appropriate
vocal+piano to ambient mix for an excellent and natural acoustic stereo
recording that will hold up consistently as a good sound under many different
playback conditions. A vocalist with good projection and who knows how to use
the room ambient is a plus with this second method

Details about the DSM microphone and HRTF stereo recording method are available
on my site or questions answered directly by phone or E-mail.

There are plenty of ways to record the sounds of piano and vocal, but you'll
need plenty of setup time, rehearsal time, more equipment, and a generous
amount of luck to succeed as well with other approaches that don't record in a
natural as-you-hear-sound manner.

It's always your choice (or should be if acting professional about this), but
being open to suggestions is the first step in knowing your options and
learning about a very rewarding, but often way too (unnecessarily so)
convoluted technical subject.

The ability to recognize and know the best solutions in this field of interest
will make achieving recording satisfaction far easier and more consistent;
allowing you to succeed under a very wide range of situations. The ability to
hear just what a recording method is doing with just your normal hearing (no
double thinking or impairing of the hearing to replicate some odd mic response
or pattern, or needing special monitoring systems, or having to muffle an
acoustic instrument), the more quickly satisfied you'll be with recording
acoustic sounds.

Now for all the alternatives to consider........ Now gentleman, start (or
continue) your replies....

Regards in Sound & Music Recording,
Leonard Lombardo
----------------------------------------
Sonic Studios(tm)..."Making Audio History With DSM(tm) Microphones"
TEL: 541-459-8839 /\ FAX: 541-459-8842 /\ USA Free: 1-888-875-4976

Subject: Re: Help Recording Vocals w/Reverb

From: GuySonic (guysonic@aol.com) Newsgroups: rec.audio.pro Date: 1999/03/15

In article <kludgeF8M7H5.GIJ@netcom.com>, kludge@netcom.com (Scott Dorsey) writes:

>Subject: Re: Help Recording Vocals w/Reverb
>From: kludge@netcom.com (Scott Dorsey)
>Date: Mon, 15 Mar 1999 02:41:29 GMT

>
>In article <36ec6918.4919901@news.erols.com> markcts@erols.com (Mark) writes:
>>I'm trying to lay down a vocal track with reverb (Alesis Wedge).
>>During the actual recording the monitor vocals sound crisp, deep and
>>solid, but upon playback from my analog MT100II 4-track they seem kind
>>of washed out, with a heavy low end ( yes, dbx and EQ are out). This
>>happens no matter what Wedge patches I use.
>

>Try recording the vocals dry. Then, on playback listen to them. Are they okay? If they are clean but dry, then try using the Wedge on mixdown and see what it sounds like.
>
>If it still doesn't sound right, you may just be a victim of poor quality digital reverb. But first get it to sound right before the reverb.
>
>And, of course, realize that your voice always sound thinner on tape than it does in your head....
>--scott
>--
>"C'est un Nagra. C'est suisse, et tres, tres precis."
>

It's interesting you mentioned this as there is a way to record your voice exactly as it sounds to yourself.

Danny Glover (the actor/producer; Lethal Weapon and many others) is doing just that in LA (this week) as directed by the guys at Skywalker Sound using a set of DSM microphones worn by Danny as he narrates in a sound booth. This gives an excellent you-are-inside the narrator's head dry stereo soundtrack that can
be enhanced later with EFX to sound like it's taking place in different ambiences (to fit the visuals).