发明名称 |
METHOD AND APPARATUS FOR DECODING AN AUDIO SIGNAL USING AN ADPATIVE CODEBOOK UPDATE |
摘要 |
Disclosed are a method and apparatus for decoding a an audiospeech signal using an adaptive codebook update. The method for decoding speechan audio signal includes: receiving an N+1-th normal frame data that is a normal frame transmitted after an N-th frame that is a loss frame data loss; determining whether an adaptive codebook of a final subframe of the N-th frame is updated or notby using the N-th frame and the N+1-th frame; updating the adaptive codebook of the final subframe of the N-th frame by using athe pitch index of the N+1-the frame; and synthesizing an audio a speech signal of by using the N+1-th frame.
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申请公布号 |
US2013246068(A1) |
申请公布日期 |
2013.09.19 |
申请号 |
US201113876768 |
申请日期 |
2011.09.28 |
申请人 |
LEE MI-SUK;ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
LEE MI-SUK |
分类号 |
G10L19/005 |
主分类号 |
G10L19/005 |
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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