The coding and decoding work of MSR analog voice card
Q:The analog voice card doesn’t need VPM and VCPM, and how to implement voice coding and decoding work?
A:
The coding and decoding work of analog card is processed by DSP. Analog card has little channel, now the largest number is 4, and then one DSP can process 8 channels, so one DSP is enough, don’t need VPM module.
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