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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: Questions to ponder posted by pictureguy on May 22, 2015 at 18:15:24:
Algebraic summation is the basis for both DTS and Dolby surround sound digital. The info is based on the data in the four primary channels and the channels between are derived from algebraic summation ( or subtraction as the case may be).
It was also the basis of early Dolby prologic of course without the rear channels.
Distance between the ears was realized to be a determination of localized information frequencies based on the wavelength between the ears. That was determined very early on in the field of audio and sonics.
So as you can clearly see the idea clearly predates Carver and Polk. Carver may have employed better publicity, but I would not say he invented the concept. I've experimented with both products, incidentally, and both sucked. Big time IMHE. Interesting theory but extremely poor execution
A signal rotated 180 degrees IS out of phase.
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Follow Ups
- I disagree - unclestu 18:54:53 05/22/15 (0)
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