H - Electricity – 04 – S
Patent
H - Electricity
04
S
H04S 5/00 (2006.01) A63F 13/02 (2006.01) G06F 3/16 (2006.01) H04R 5/04 (2006.01) H04S 1/00 (2006.01)
Patent
CA 2185966
Digital sound source data is stored in a sound source data memory 22. When a first display object (an enemy character, a waterfall, or the like) so defined as to generate a sound is displayed in a three-dimensional manner on a display screen 41 of a television 40, a audio processing unit 12 reads out the corresponding sound source data from the sound source data memory 22, to produce first and second sound source data. The first and second sound source data are converted into analog audio signals by digital-to-analog converters 16a and 16b, and are then fed to left and right speakers 42L and 42R. At this time, the audio processing unit 12 calculates delay tame on the basis of a direction to the first display object as viewed from a virtual camera (or a hero character), and changes delay time of the second sound source data from the first sound source data. Further, the audio processing unit 12 individually controls the sound volume levels of the first and second sound source data depending on the distance between the first display object and the virtual camera (or the hero character). Consequently, sounds having a spatial extent corresponding to the change of a three-dimensional image can be respectively generated from the left and right speakers 42L and 42R.
Nintendo Co. Ltd.
Smart & Biggar
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