H - Electricity – 04 – S
Patent
H - Electricity
04
S
354/43
H04S 5/00 (2006.01)
Patent
CA 2031665
38356 ABSTRACT OF THE DISCLOSURE SUMMARY OF THE INVENTION The game software (10) for a video game system includes sound positioning information that utilizes two spaced-apart speakers (26, 28) to give the player the impression that the sound is emanating from a location other than the actual speaker locations, for example, to the far right or the far left of the speakers. A sound processor (220) operates upon monaural signals from an audio synthesizer (180) in response to the sound positioning information from the game software (10) so that each monaural signal from the audio synthesizer is divided into two signals and at least one of the signals is passed through a transfer function to produce two- channel output signals that have a differential phase and amplitude relationship therebetween that is adjusted on a frequency dependent basis. Each different sound location generally requires a specific different relationship, and the sound processor for the video game may include a number of different transfer functions, each of which can be embodied by adjusting a digital filter (60) in response to the sound positioning information. Each digital filter (60) alters the amplitude and phase of the applied signal in a frequency dependent manner over the audio frequency spectrum.
Lees John W.
Lowe Danny D.
Gowling Lafleur Henderson Llp
Qsound Ltd.
LandOfFree
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