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Thread: Transcoding FLAC to AAC-320/M4A

  1. #1

    Join Date
    Dec 2009
    Posts
    2

    Transcoding FLAC to AAC-320/M4A

    Hi,

    I'm currently trying to add support for AAC/M4A to this tool, and I ran into some trouble.
    The tool is properly encoding, but not at the expected bitrate.
    Thanks to ProcessMonitor, I noticed that the encoder was called with the default parameters. So I gave a try calling manually CoreConverter in order to take a look at what's really happening with these parameters. However, it still doesn't work, and I'm wondering if it's not coming from dBpoweramp.

    Here's the call to CoreConverter :
    Code:
    "C:\Program Files (x86)\Illustrate\dBpoweramp\coreconverter.exe" -infile="G:\dBpoweramp\Test\Joyless - Unlimited Hate\01 - Inherent Emptiness.flac" -outfile="G:\dBpoweramp\Test\Joyless - Unlimited Hate [AAC]\01 - Inherent Emptiness.m4a" -convert_to="m4a Nero (AAC)" -cbr 320000 -ignorelength
    And here's the call that CoreConverter makes to neroAacEnc.exe :
    Code:
    "C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\m4a Nero (AAC)\neroAacEnc.exe" -q .45  -ignorelength -if - -of "G:\DBPOWE~1\Test\JOYLES~2\01-INH~1.M4A"
    Am I being misled or does the CoreConverter loose the parameter list ?

    As a side note, everything's working fine while I'm using the dB's Batch Converter.
    Here's the call that CoreConverter makes to neroAacEnc.exe while using the Batch Converter :
    Code:
    "C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\m4a Nero (AAC)\neroAacEnc.exe" -cbr 320000 -ignorelength -if - -of "G:\DBPOWE~1\Test\JOYLES~2\01-INH~1.M4A"
    Thanks for your help.
    Last edited by dJe781; 12-11-2009 at 07:39 PM.

  2. #2
    Administrator
    Join Date
    Apr 2002
    Posts
    40,182

    Re: Transcoding FLAC to AAC-320/M4A


  3. #3

    Join Date
    Dec 2009
    Posts
    2

    Re: Transcoding FLAC to AAC-320/M4A

    Well, here's the CodecCLI_m4a Nero (AAC) value :
    Code:
     -cli_encoder="C:\Program Files (x86)\Illustrate\dBpoweramp\encoder\m4a Nero (AAC)\neroAacEnc.exe" -cli_cmd="-cbr 320000 -ignorelength -if - -of {qt}[outfile]{qt}" -selection="2,14,0"
    Appart the selection thing that I don't understand, I guess that the rest of the command line looks pretty much like the one I used...

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