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M4A to MP3 320kbps
Deimuddi1955
post Jul 21 2012, 14:39
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Hello


i got some M4A audio files that i would convert in MP3's. Now my question is:


Is a M4A file with 256kbps the equivalent to a MP3 File with 320kbps. if it is so, can i convert the M4A File to a MP3 with a constant bitrate of 320 kbps? or should i convert it to the same bitrate of 256kbps??






thanks for answers rolleyes.gif rolleyes.gif rolleyes.gif
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Vietwoojagig
post Aug 23 2012, 13:07
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QUOTE (Deimuddi1955 @ Jul 21 2012, 14:39) *
Is a M4A file with 256kbps the equivalent to a MP3 File with 320kbps.
Some people say so.

QUOTE (Deimuddi1955 @ Jul 21 2012, 14:39) *
if it is so, can i convert the M4A File to a MP3 with a constant bitrate of 320 kbps? or should i convert it to the same bitrate of 256kbps??
Equivalence of AAC-256 to MP3-320 does not really help you to decide this question. The question is anyway, how much do you loose during the transcoding. With MP3-320 you likely will loose less than with MP3-256.
But I'm sure you will not be able to distinguish:
  • MP3-256 from WAV
  • MP3-256 from AAC-256
  • MP3-320 from WAV
  • MP3-320 from AAC-256

So I would propose to use MP3-256 or the settings you normally use to create MP3s
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