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Old 20th March 2011, 08:35 AM   #1
jerryo is offline jerryo  Isle of Man
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Default 3D sound

I wasn't sure which Forum to put this in so I thougth I would start here.

In a recent interview on BBC radio 4 a Professor Choueriri from Princeton University demonstrated a new (patented) method of acheiving a 3D sound field with 2 speakers using a new filter that he has designed. He claims that it will be very simple to introduce and cheap. It works in the same way as the miniambio in that it controls the crosstalk between the 2 channels of a stereo recording.
Any one else come across this? Any thoughts?
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Old 20th March 2011, 09:01 AM   #2
jonners is offline jonners  United Kingdom
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3D3A Lab at Princeton University
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Old 20th March 2011, 09:05 AM   #3
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What is 3d sound? With a good system and source stereo vrates the illusion of 3d.

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Old 20th March 2011, 09:18 AM   #4
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Thanx for that. I'll have to dig thru the site. The book i am currently reading, Spatial Hearing, could be one of the text books for the course, and it looks like there might be some updates to what i'm reading.

From the video, he has another crosstalk canceller algorithm. And it needs binaural recordings.

This kind of research is important, be nice to hear a real demo. From the example in the video it may have application in video conference with crappy speakers.

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Old 20th March 2011, 09:22 AM   #5
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carver sonic holigraphy, opamps were low quality.

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Old 20th March 2011, 09:37 AM   #6
jerryo is offline jerryo  Isle of Man
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I had a 12" vinyl disc years ago (80's) that had a variety of sound effects on it that were recorded using "Holophonics" and made by "Zucharreli Labs" (not sure if the spelling is correct) When listened to on head phones the effect was amazing; one of the tracks was the "haircut with scissors" which is used by Prof. Choueriri to demonstrate the 3-axis capability of the method. I wish I still had the disc. One track was a box of matches being shaken in front of you forming a figure and then being thrown behind you; it was quite something to hear that back then and on vinyl.
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Old 20th March 2011, 09:48 AM   #7
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carver sonic holigraphy
Back in my hifi store days, the 1st of those quickly became, Carver Sonic Holocaust.

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Old 7th March 2012, 05:27 PM   #8
fakeout is offline fakeout  Canada
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Years ago, maybe in 1987 or close to it anyway, I heard a CBC Radio play in 3D. At the time, I remember they said the technology was invented by a German engineer. I never really heard about it again. I'm not sure why that's not actively being done. Maybe the large music companies now are more interested in finding out the different demographics for various styles of music and choreographing dance routines for the singers.
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Old 7th March 2012, 05:41 PM   #9
cbdb is offline cbdb  Canada
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Why bother when so many people already have 5.1 systems?
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Old 7th March 2012, 06:20 PM   #10
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try the flatconed 3" or 4" Tangband and you will see what 4D Sound is
Click the image to open in full size.
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