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audio codecs perfomance

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BMWE

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hi all

if i have the following scheme:
Untitled1.png
suppose the codec is G711.
the first iteration is sampled voice is enter to the codec (no feedback)
the second third and so on, is the feedback
will degradationin voice quality occur after the first iteration?

what will happen in G729?


in my opinion, in G711 case, the quality won't change after the iterations
in G729 case, there will be a degradation after each iteration
 

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