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US20090208023 |
AUDIO CHANNEL SPATIAL TRANSLATION
Using an M:N variable matrix, M audio input signals, each associated with a direction, are translated to N audio output signals, each associated with a direction, wherein N is larger than M, M is...
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US20080285763 |
Common Signal Eliminator From a Stereo Source
To increase the stereophonic potential of an ordinary stereo source, a device ( 20 ) eliminates the common signals from a stereo source. The device is installed in relation to four loudspeakers,...
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US20080085006 |
Integrated multi-channel audio box
The present invention relates to audio visual devices, and is aimed to provide an audio box with stereo surround effect; an integrated multi-channel audio box having simple structure and neat...
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