How can I create Holophonic Sound?

Jul 3, 2008 at 2:04 AM Post #32 of 38
Quote:

Originally Posted by adfinder23 /img/forum/go_quote.gif
I've been searching about holophonic sound for the last 7 hours or so and stumbled across this forum. Searched it and found talk, but no definitive answers.

Here's what I'm trying to create... Holophonic recordings

And along my searches I've found things about Holophone (seems to be surround sound, not what I'm really looking for), Hugo Zuccarelli (inventor of holophonic sound), Ambisonics, Binaural recordings, etc.

At first I thought Binaural Recordings was it, but it seems Holophonic is more involved. One of the best examples I found "The Virtual Barbershop" says something about an algorithm being used, Cetera. Searching finds it to be developed by hearing specialists, Starkey.

I followed all the links on this and subsequent pages to find more info.

This page mentions it and talks about binaural recordings and mentions some software Spinaudio and Amphiotik.

Soo...

Does anyone know how I can create holophonic sound?


Is there software I can use? Perhaps to turn binaural into something more holophonic.

After some searching I thought all I needed to do was by some Binaural Microphones, place them in my ears and I'd be good to go. Perhaps not.

Does anyone have any samples just using binaural mics in their ears? I'm looking to see what it would sound like with someone talking around them, left, right, front, rear. And above and below as well to see how well this technique compares to true holophonic sound. Such as being able to hear the matchbox shaking around your lower back.

Thanks



You should hear these recordings via the Ultrasone Pro 750's. Wow!!!!
One of the recordings of the Jazz Band is on the Pro 750 demo CD.
I also listened to some of these recordings with a pair of traditional (non-Ultrasone) headphones (nothing fancy, just the headphones I use sometimes when I'm exercising). The effect, while being amazing to hear when listening to the traditional headphones, it is not as "striking" as when listening via the Pro 750's, IMO.
 
Jan 24, 2009 at 12:18 PM Post #35 of 38
Jan 24, 2009 at 12:43 PM Post #36 of 38
Quote:

Originally Posted by Vecnagos /img/forum/go_quote.gif
OK when you wanne use 2 microphones like Amazon.com: Olympus TP-7 Telephone Recording Device: Electronics
How will you plug both in your computer to record it?
and you would probly need some softwere to finnish it off am I right?



You need a few good condensers Mic's with a large FR, or a stereo mic, like the Rode NT4... You also need a recording devices, like a DAT machine + mixer with minimum 4 channel in, or laptop and a nice sound card.The Zoom H4 Mobile Recording can do a nice job too..
 
Mar 3, 2014 at 11:38 PM Post #38 of 38
I signed up just so I could post this, heh ;-)
 
Proprietary algorithms, mysterious equipment, interference patterns - all this speculation about this mysterious and wonderous discovery Zuccarelli made and kept a secret.
 
The man had no scientific credentials, and I doubt there was any real science behind it. The idea that your head or ears "broadcasts" some kind of carrier wave, for one, is proposterous.
 
In my honest opinion, he most likely made a big deal of a very simple discovery that's just obvious enough that most people would simply overlook it: Bigger ears.
 
Many smaller wild animals, such as rabbits, which are easy prey, have bigger, more cup-shaped ears, which enhances their ability to hear details and locate a sound source in space.
 
To experience this effect, simply cup your hands over your ears and listen - holophonics!
 
Repeat the barbershop experiment if you need to convince yourself of this - have someone shake a box of matches while moving it around your head, and try the difference while you cup your ears.
 
I'm betting the only thing Zuccarelli discovered, was that animals with bigger ears have better hearing - as far as making recordings, he must have used a "head" like many others have attempted, but it most like just had bigger "ears", and that's all the "magic" there was to this. That's probably why he didn't want anybody to see it, because it's not exactly a "proprietary" discovery or a technology you can protect by any other means than simply hiding it and hoping nobody else discovers the same thing.
 
Here's a crappy illustration I made:
 
http://i.imgur.com/ZqXiyO3.png
 
The left ear is cupped, the right ear is not.
 
Sound waves hitting the left ear are going to disperse, reverberate and filter in radically different ways, from every angle, over at least a 180 degree range. With both ears cupped, you have a full 360 degrees of enhanced variation of soundwaves from different angles.
 
Compare to the right ear, where the sound is only somewhat dispersed by the much smaller surface of the normal human ear, and perhaps the skull, jaw and neck, but these are likely much smaller factors and the shape of the ear which directly affects the sound, and, most importantly, affects it differently from different angles.
 
I'm betting the reason why this still "works", as far as enhancing our spatial perception, is that, although humans are not equipped with large ears, some ancestor species probably were, and we simply retained the ability to perceive with "big ears", which were easy enough for Neanderthals to "turn on and off" by simply cupping their hands when they were hunting or being hunted.
 
If any of you have field recording equipment or possibly a "head", this theory shouldn't be that difficult to test. Just add bigger ears.
 
Thoughts? :-)
 

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