Title:
【発明の名称】音声符号化方法
Document Type and Number:
Japanese Patent JP3346384
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To simplify reproduction, even when processing audio signals coded at a sampling frequencies different for each music. SOLUTION: This voice coding device adds, subtracts, or mixes incoming multi-channel audio signals by a 6-channel mix and matrix circuit 1', performs predictive-coding of those channel signals by a coding part 2', quantizes the predictive-coded data with the number of samples 40, 80, or 160 according to the sampling frequencies, and compressed and packs the quantized data at a variable or fixed rate.
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Inventors:
Yoshiaki Tanaka
Shoji Ueno
Norihiko Fuchigami
Shoji Ueno
Norihiko Fuchigami
Application Number:
JP2000327200A
Publication Date:
November 18, 2002
Filing Date:
October 26, 2000
Export Citation:
Assignee:
Victor Company of Japan Ltd.
International Classes:
G10L25/78; G10L19/00; G10L19/008; G10L19/02; G10L19/04; G11B20/12; H03M7/36; H04S3/02; (IPC1-7): G10L19/00; G10L19/04; G11B20/12
Domestic Patent References:
| JP6444499A | ||||
| JP2127899A | ||||
| JP324834A | ||||
| JP8272393A |