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Title:
LIMITER COMPRESSOR DEVICE
Document Type and Number:
Japanese Patent JP2009272926
Kind Code:
A
Abstract:

To provide uniform feeling of volume on an acoustic feeling in output sound after volume control irrespective of whether input sound is single sound in a limiter compressor device.

The limiter compressor device 1 performs suppression control of a dynamic range of a sound signal. The device has: a single sound discrimination part 5 which determines whether the input sound (a) is the single sound; and a coefficient generation part 6 and a limiter operation part 8 which perform suppression processing to delayed sound i while changing a suppression amount according to discrimination data d from the single sound determination part 5, wherein the coefficient generation part, etc. 6, 8 make the suppression amount to the single sound large in comparison with the suppression amount to sound except the single sound. In addition, the coefficient generation part, etc. 6, 8 perform release processing to the input sound (a) while changing a release amount according to the discrimination data d from the single sound discrimination part 5, and make the release amount to the single sound large in comparison with the release amount to the sound except the single sound.


Inventors:
HAMASHIMA TSUTOMU
Application Number:
JP2008000122145
Publication Date:
November 19, 2009
Filing Date:
May 08, 2008
Export Citation:
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Assignee:
NEC ENGINEERING LTD
International Classes:
H03G7/00; G10L21/02; H03G3/20; H03G5/02; H03G5/16
Domestic Patent References:
JP2000244345A2000-09-08
JPS55123217A1980-09-22
JPS61131194U1986-08-16
JPH10319948A1998-12-04
JP2005249844A2005-09-15
Attorney, Agent or Firm:
中井 潤