Sound image control apparatus and sound image control method

Details Sound image control apparatus and sound image control method Sound image control apparatus and sound image control method

2007-05-31

2011-10-18

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

C381S018000, C381S017000

Reexamination Certificate

active

08041040

ABSTRACT:
A sound image control apparatus and sound image control method capable of increasing the accuracy, in particular, in the distance direction while keeping fixed intervals of transmission characteristic filters, without increasing the number of the transmission characteristic filters. Sound image control apparatus100is provided with distance gain control section101that performs gain control of the sound pressure of an input monaural audio signal of one channel in the distance direction from a head to a sound image before input to virtual sound field1sound image localization section120and virtual sound field2sound image localization section130, and reflected sound gain control section102that performs gain control by distance of a reflected sound of the sound pressure of the input monaural audio signal of one channel before input to virtual reflected sound generating section150that controls the sound image to be localized outside the head when the sound is listened to with headphones.

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English language Abstract of JP 7-298399.
Japan Office action, mail date is Feb. 15, 2011.

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