发明名称 |
SELECTION OF ENCODING MODES AND/OR ENCODING RATES FOR SPEECH COMPRESSION WITH CLOSED LOOP RE-DECISION |
摘要 |
In a device configurable to encode speech performing an closed loop re-decision may comprise representing a speech signal by amplitude components and phase components for a current frame and a past frame. In a first closed loop stage, a first set of compressed components and a first set of uncompressed components for a current frame may be generated. A first set of features may be generated by comparing current and past frame amplitude and/or phase components. In a second closed loop stage, a second set of compressed components for the current frame may be generated by compressing the first set of compressed components and compressing the first set of uncompressed components. Generation of a second set of features may be based on the second set of compressed components from the current frame and a combination of amplitude and/or phase components from the past frame.
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申请公布号 |
US2007244695(A1) |
申请公布日期 |
2007.10.18 |
申请号 |
US20070625802 |
申请日期 |
2007.01.22 |
申请人 |
MANJUNATH SHARATH;KANDHADA ANANTHAPADMANABHAN A;CHOY EDDIE L T |
发明人 |
MANJUNATH SHARATH;KANDHADA ANANTHAPADMANABHAN A.;CHOY EDDIE L.T. |
分类号 |
G10L19/00 |
主分类号 |
G10L19/00 |
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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