Which codec standard requires a bit rate of 64 kbps to maintain a mean opinion score of 4.1?()
- A、G711
- B、G726
- C、G728
- D、G729
- E、G729A
正确答案:A
答案解析:有

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Which codec standard requires a bit rate of 64 kbps to maintain a mean opinion score of 4.1?()
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