As the pitch doubling and halving problems of NCCF algorithm often occurred with varied noises and Signal to Noise Ratio (SNR), VAD algorithm is employed to separate speech and non-speech segments.
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针对NCCF基音检测算法在不同噪声、信噪比下容易发生清浊误判的问题,本文在基音检测前端引入语音检测算法划分语音段与非语音段。
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