Description: Analysis and research on the characteristics of the speech coding technology, waveform coding, vocoder, and hybrid coding three main types of speech coding, and introduced the GSM and CDMA both systems, speech coding and a part of common speech coding chip pointed out that the speech coding technology development trend, and according to the characteristics of the underground mine, the mine communication system used in speech coding technology research, the last several useful conclusions.
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OSpeeechcodinf\语音编码技术的分析与应用.pdf
OSpeeechcodinf
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