【摘要】 针对语音信号在小信噪比条件下检测其基音周期。考虑自适应滤波和小波变换的优点对小信噪比条件下的语音信号进行基音周期检测,实验证明此方法能有效检测-20dB下的基音周期。更多还原

【Abstract】 Considering the advantages of the adaptive filtering and wavelet transform, the pitch detection in the condition of low SNR of speech signal is studied. The method in the paper is proved valid by the experiment.更多还原