In article 2d3800f9-3f3e-4303-9f3a-
,
says...

You do know that the human ear can;t detect phase don't
you , no you probbaly don't


Try the following experiment using reasonably decent
equipment.

Use a recording with a well defined stereo image for the
test. Also a mono recording of speech - a newsreader, say
(or a stereo recording where the speech originates from the
centre). It doesn't matter which.

Play both recordings with the speakers correctly phased and
note how you can clearly define the positions of all the
various instruments across the sound stage and also pinpoint
the solo voice in the centre.

Now reverse the phase on one speaker (only) and repeat the
listeng test. You will notice a loss of bass response and be
unable to locate the origin of any of the instruments or the
solo voice.

This was a standard test during the experimental stereo
broadcasts of the 1950s on Saturday mornings that used BBC
TV sound for one channel and the Third Programme for the
other.

This was preceded by the announcer speaking from the centre,
left and right of the sound stage in turn.



--

Terry

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