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#346537 - 04/28/11 04:22 PM 3D stereo
Joe_in_SC Offline
devotee

Registered: 02/16/04
Posts: 309
Loc: Charleston, SC
I came across this interesting video with a discussion and demonstration of 3D stereo. It actually worked pretty well on my laptop.

http://www.wimp.com/laptopspeakers/
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#346575 - 04/29/11 07:07 AM Re: 3D stereo [Re: Joe_in_SC]
MarkSJohnson Offline
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Registered: 09/27/04
Posts: 11444
Loc: Central NH
Although he never uses the term, it basically seems like binaural recording, which has been done for decades...
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#346593 - 04/29/11 10:19 AM Re: 3D stereo [Re: MarkSJohnson]
ClubNeon Offline
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Registered: 02/06/09
Posts: 3466
Loc: Western Maryland, USA
Those who do not know the experiments of an elementary school me, are doomed to repeat them. smile

Really in elementary school I read about binaural recordings (when I wasn't learning to program computers). I theorized that if binaural recordings made with mics placed a head width apart played back well on headphones, then recordings made with mics placed where the speakers were would place back well through those speakers.

Unfortunately I didn't have two mics. So I took the RCA plugs on the speakers of my mom's Soundesign and attached mono 1/8" phone plug adapters to them, and used the speakers as mics. I'm guessing (now that I have a bit more knowledge) that the "crossover" on the tweeter kept it from contributing any usable signal, but bass to midrange was recorded pretty well. Listening to the playback from a position directly between the speakers gave a pretty haunting image of people walking around the living room and mumbling.
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#346603 - 04/29/11 01:55 PM Re: 3D stereo [Re: ClubNeon]
J. B. Offline
connoisseur

Registered: 01/19/11
Posts: 1291
Loc: Quebec, Canada
i remember a long time ago that Sennheiser put on the market a dummy head with microphones in the ears so one could make his own binaural recordings.
no idea if it worked well though.
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