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Topic: Can any encoder auto select best settings based on ‘quality’ of input? (Read 2383 times) previous topic - next topic

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  • dave656
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Can any encoder auto select best settings based on ‘quality’ of input?
Is it possible for a MP3 converter to automatically select best encoder settings based on the audio quality?

For example: I have seen about 12 MP3 files from the same album with different encoder settings, say

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File1 has a quality of V6 (VBR)
File2 has a quality of V5 (VBR)
File3 has a quality of V5 (VBR)
File4 has a quality of V4 (VBR)


I use dBpoweramp converter and normally I choose a fixed settings for the files in same album. Is it possible for any MP3 encoder to select quality like that?
  • Last Edit: 30 April, 2012, 05:23:35 PM by dave656

  • db1989
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #1
Do you mean that you want the encoder to use a bitrate appropriate for the perceptual complexity of the uncompressed stream that you input to it? Then VBR is exactly what you want. Using different VBR settings for each song makes little to no sense because then you’re targeting a different quality per song, completely defeating the point.

Of course, this depends upon where you “have seen” sets of files such as those. If you stumbled upon them in the wild, so to speak, then you should expect neither an example worth following from their creator nor much interest from other users here.
  • Last Edit: 30 April, 2012, 05:37:25 PM by db1989

  • Ouroboros
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #2
What are you using to determine that file1 is V6 and file2 is V5 etc.?

  • dave656
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #3
What are you using to determine that file1 is V6 and file2 is V5 etc.?


dBpoweramp's MediaInfo plugin.

For example:

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Encoding settings                : -m m -V 4 -q 0 -lowpass 17 --vbr-new -b 32

  • lvqcl
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #4
Maybe these files were encoded by different people.

  • probedb
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #5
So you downloaded these files from where?

  • DonP
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Can any encoder auto select best settings based on ‘quality’ of input?
Reply #6
Guess whoever encoded the album either 1) liked some songs more than others, or 2) didn't understand the meaning of the V setting.