Huawei Technologies Co., Ltd
Method, apparatus and system for linear prediction coding analysis
The present invention relates to communication technologies and discloses a method, an apparatus and a system for Linear Prediction Coding (LPC) analysis to improve LPC prediction performance and simplify analysis operation. The method includes: obtaining signal feature information of at least one sample point of input signals; comparing and analyzing the signal feature information to obtain an analysis result; selecting a window function according to the analysis result to perform adaptive windowing for the input signals and obtain windowed signals; and processing the windowed signals to obtain an LPC coefficient for linear prediction. The embodiments of the present invention are applicable to LPC.
Huawei Technologies Co., Ltd
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additional inventional
Qing Dejun Fengyan Lei Jianfeng
Zhang Zhang Qi Miao Xu