Sound image localization method and apparatus, delay amount cont

Details Sound image localization method and apparatus, delay amount cont Sound image localization method and apparatus, delay amount cont

1997-10-17

2000-03-07

Lee, Ping

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 1, H04R 500

Patent

active

060350458

ABSTRACT:
A sound image control apparatus is arranged by a time difference signal producing unit, and a function processing unit. The time difference producing unit sequentially outputs externally supplied input signals as a first time difference signal and a second time difference signal while giving an inter aural time difference corresponding to a sound image localization direction. This second time difference signal is externally outputted as a left channel signal. Also, the first time difference signal is processed in the function processing unit by using a relative function constituted by a ratio of a left head related acoustic transfer function to a right head related acoustic transfer function in correspondence with the sound image localization direction, and the processed signal is externally outputted as a right channel signal.

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