| Original document(41 pages) 中文版 |
An audio signal encoding method, an audio signal decoding method, a transmitter, a receiver, and a wireless microphone system, wherein a high compression efficiency can be achieved with a high quality and a low delay maintained. There are included a sub-band dividing filter bank (4a) for dividing an audio signal into a plurality of sub-bands and down-sampling them to produce a plurality of sub-band signals; LD-CELP quantizers (20a-20d) for encoding, based on LD-CELP, the plurality of sub-band signals; and a multiplexer (4c) for producing a bitstream from the encoded sub-band signals. |
Application Number
申请号 |
200580002563 |
Application Date
申请日 |
2005.01.18 |
| Title 名称 |
Audio signal encoding method, audio signal decoding method, transmitter, receiver, and wireless microphone system |
Publication Number
公开号 |
1910657 |
Publication Date
公开日 |
2007.02.07 |
| Approval Pub. Date |
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Granted Pub. Date |
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| International Classification 分类号 |
G10L19/14;H03M7/30 |
Applicant(s) Name
申请人 |
Matsushita Electric Ind Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Banba Yutaka |
| Attorney & Agent 代理人 |
huang lunwei |
| More information 更 多 信 息 |
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