发明名称 |
LOST FRAME CONCEALMENT |
摘要 |
A receiver in a frame based radio communication system includes a speech decoder of the source-filter type which is controlled by means including internal state variables updated on a frame by frame basis for modifying received filter defining parameters representing background sounds transmitted over a communication channel. The receiver includes means for detecting frame loss and means for concealing the effects of frame loss by restricting updating of at least one of the internal state variables.
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申请公布号 |
CA2140363(A1) |
申请公布日期 |
1994.12.22 |
申请号 |
CA19942140363 |
申请日期 |
1994.06.02 |
申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON |
发明人 |
WIGREN, KARL T.;BERGSTROEM, ROLF A. |
分类号 |
G10L13/00;G10L11/02;G10L19/00;G10L21/04;H04B1/10;H04L1/00;(IPC1-7):H04B1/16 |
主分类号 |
G10L13/00 |
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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