Method and apparatus for automatically compensating tone color

Details Method and apparatus for automatically compensating tone color Method and apparatus for automatically compensating tone color

1998-06-10

1999-11-09

Wieland, Susan

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

84659, 84600, G10L 900

Patent

active

059831910

ABSTRACT:
A method and apparatus for automatically compensating a tone color. The method includes a first step for determining whether a channel is modified or an input audio signal is switched, a second step for calculating frequency characteristics of the input audio signal and comparing the compared result with data in a basic table, a third step for determining the input audio signal as a least error mode during the second step, and a fourth step for compensating a tone color in accordance with the determined mode. The method and apparatus automatically adjusts a tone color by determining a present tone color in itself on the ground of the frequency energy being presently applied when a channel is modified, an input audio signal is switched, or a color sound mode is modified, thereby eliminating a manual manipulation by a user as well as providing an optimal sound.

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