Audio Compression -vat, rat
vat
Variable packet size - 20 -80 msec
vat - energy detection :-(
No redundancy
Drop or …
Noise fill (?)
< 10 % packet loss
rat
Variable packet size - 20-80 msec
rat - energy detection :-)) average energy measure, but simpler than GSM
Piggy-backs single - level redundancy
Linear Predictive Coding
Waveform substitution
Random loss 20% - 30%
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