> MP3 audio's frame size is 1152, and AAC audio frame size is 1024, which > amounts to: > > 1-(1024/1152)*100 = 11.1.% lesser than MP3. > > Is it possible these figures somehow correlate? Since I am able to write > about 11% less audio to AAC (MP4) format. >
Sorry, I meant number of samples for mp3 and aac (nb_samples inside AVFrame), are 1152, and 1024, respectively.
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