Pitch pre - emphasis technology was used to enhance the pitch search.

同时引入了基音预加重技术以提高自适应码本的搜索精度.

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Networks, device for pre - emphasis of higher frequencies.

网络, 用于预加重高次频率的设备.

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Pre - emphasis filter is used, it aims keeping speech information best rather than eliminating the noise completely.

首先,算法在尽量保留语音信息基础上对带噪语音预加重,使信噪比提高.

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