CVSD (Continuous Variable Slope Delta Modulation) voice coding enables.
连续可变斜率增量调制的语音编码可以在高误码率的情况下正常工作。
CMX649 is an excellent CVSD-based voice codec manufactured by CML Microcircuit, which is applicable in a wide range of voice coding applications, especially in wireless applications.
CMX649能够成功地应用在广泛的语音编码系统中，尤其适合无线语音系统应用。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
设计出了二次调制系统：采用连续可变斜率增量调制（CV SD）实现模拟话音信号与数字编码的转换，采用二进制相对相移键控（2DPSK）作为数字调制方式。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
设计出了二次调制系统：采用连续可变斜率增量调制（CV SD）实现模拟话音信号与数字编码的转换，采用二进制相对相移键控（2DPSK）作为数字调制方式。
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