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method to reduce the difficulty of the search in analysis by synthesis coding
method to reduce the difficulty of the search in analysis by synthesis coding
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机译:综合编码的方法,以减少分析搜索的难度
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摘要
A method of encoding speech includes a limited search of a tree-code excitation codebook with a closed loop gain calculation for each test path under consideration. The gain calculation occurs when minimizing an error distance measurement between a synthetic signal defined by each test path being considered and the appropriate speech signal by optimizing a scaling factor of the synthetic signal. The encoding method achieves a significant reduction in computational complexity with minimal loss of performance. IMAGE
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