发明名称 |
PERCEPTUAL CODING OF AUDIO-SIGNALS |
摘要 |
A five-channel perceptual audio compression system which encodes five matrixed channels switches among a fourteen encoding modes each utilizing a respective different set of matrixed channels. Six of the modes are for encoding the three front channels and eight of the modes are for encoding the two back channe ls. A number of the modes have as at least one of their respective matrixed channels a matrixed channel which is a function of a) one of the input channels or a sum or difference of two of them, and b) a predicted value of a).
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申请公布号 |
CA2117829(C) |
申请公布日期 |
1998.06.30 |
申请号 |
CA19942117829 |
申请日期 |
1994.10.11 |
申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
JOHNSTON, JAMES DAVID;SINHA, DEEPEN |
分类号 |
G10L11/00;G10L19/00;H03M7/30;H04B1/66;H04S3/02;(IPC1-7):G10L9/00 |
主分类号 |
G10L11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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