the sign of a voice frame in the AMR codec

[bob wisebob]

Hi,List.

I am studying the TCH AMR codec;

I using the first 8 bits of any TCH frame block to decide whether it is a
speech frame or a signal;

Although it will contain some non-speech frame; but I think it can capture
all the speech frame and

the captured file can be decoded correctly. is that right?
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