Title:
音響効果回路及び処理方法
Document Type and Number:
Japanese Patent JP4538494
Kind Code:
B2
Abstract:
A sound effect circuit and processing method are disclosed. An input audio signal is input to a digital sound effect unit, an output signal is generated and output with a sound effect in accordance with an effect amount of a certain value from the input audio signal using the digital sound effect unit, the input audio signal is also input to a silence state detection unit, a silence detect signal is generated and output when detecting that the current state of the input audio signal is a silence state using the silence state detection unit, the output signal is input to a sound effect amount control unit, and an output audio signal is output using the sound effect amount control unit, wherein the sound effect amount control unit changes the effect amount to be smaller than the certain value when the silence detect signal is generated.
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Inventors:
Hirono Shimazaki
Naotaka Saito
Naotaka Saito
Application Number:
JP2007335992A
Publication Date:
September 08, 2010
Filing Date:
December 27, 2007
Export Citation:
Assignee:
oki Semiconductor Co., Ltd.
International Classes:
H04R3/00; H03G3/30
Domestic Patent References:
| JP2000092587A | ||||
| JP2002057554A | ||||
| JP5276593A | ||||
| JP63221708A | ||||
| JP63246908A | ||||
| JP5292592A | ||||
| JP2003060459A |
Attorney, Agent or Firm:
Motohiko Fujimura
Shigeyuki Nagaoka
Shinji Takano
Shigeyuki Nagaoka
Shinji Takano