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Martin Brown Martin Brown is offline
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Default Help with wiring colors on old headphones

On 17/05/2011 10:11, wrote:
On Mon, 16 May 2011 11:46:54 +0100, Martin Brown
wrote:

On this topic did anyone else see the NHK broadcast a few months back
about a digital version of binaural recording that alters the phase
frequency response of the high end of close miked material to extend the
stereo sound stage vertically. The trick works by tweaking the frequency
phase relationship to match what the ear expects from a wave incident at
a given angle. It just sounded odd on loudspeakers.


Was this some kind of dummy head recording or some kind of ambisonics
(Gerzon) WXYZ recording ?


Digital alteration of the phase and amplitude response with frequency
applicable only to sounds with reasonably complex harmonic content.

The demo was a church bell that was made to ring up then down on axis,
left then right as in a ping pong stereo demo and finally at the corners
of a rectangle. It just sounded odd on loudspeakers.

If my memory serves I think they said that sounds coming from above have
slightly more high frequency components and a phase lead. The adjustment
fools the brain into putting the sound where it "belongs".

Regards,
Martin Brown