Qsound surround synthesis from stereo

Details Qsound surround synthesis from stereo Qsound surround synthesis from stereo

H - Electricity

04

S

H04S 5/00 (2006.01) H04S 3/00 (2006.01)

Patent

CA 2268378

The inventive mechanism produces multiple output signals from a two-channel stereo input signal. The mechanism produces a first pair of output signals which retain the monaural information in the stereo input signal. The first pair of signals each comprise a combination of one of the input channels and filtered signal produced from a difference of both input channels. The mechanism produces a second pair of output signals which lacks the monaural information. The second pair of output signals each comprise a combination of one of the input channels and as inverse filtered signal produced from a difference of both input channels. Q-filters are used to provide the various filtered signals.

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