Sound image control device and design tool therefor

Details Sound image control device and design tool therefor Sound image control device and design tool therefor

2004-09-02

2010-02-16

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

C381S001000, C381S309000, C381S310000

Reexamination Certificate

active

07664272

ABSTRACT:
A sound image control device filters transfer functions H3and H1indicating transfer characteristics of a sound from an acoustic transducer (8) to entrances to respective ear canals (1) and (2) as well as filtering transfer functions H4and H2from an acoustic transducer (9) to the entrances to the respective ear canals (1) and (2) and generates second transfer functions H6and H5indicating transfer characteristics of a sound to the entrances to the respective ear canals (1) and (2) from a target sound source (11) at a location different from the sound sources, the sound image control device being equipped with correction filters (13) and (14) that (i) store characteristic functions E1and E2for performing filtering operations on the first transfer functions H1, H2, H3, and H4and (ii) generate the second transfer functions H5and H6from the first transfer functions H1, H2, H3, and H4using such characteristic functions E1and E2.

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