BatchEncoder

Freeware Advanced Audio Coder
FAAC 1.28

Usage: faac [options] infiles ...

Quality-related options:
  -q <quality>  Set default variable bitrate (VBR) quantizer quality in percent.
                (default: 100, averages at approx. 120 kbps VBR for a normal
                stereo input file with 16 bit and 44.1 kHz sample rate; max.
                value 500, min. 10).
  -b <bitrate>  Set average bitrate (ABR) to approximately <bitrate> kbps.
                (max. value 152 kbps/stereo with a 16 kHz cutoff, can be raised
                with a higher -c setting).
  -c <freq>     Set the bandwidth in Hz (default: automatic, i.e. adapts
                maximum value to input sample rate).

Input/output options:
  -             <stdin/stdout>: If you simply use a hyphen/minus sign instead
                of an input file name, FAAC can encode directly from stdin,
                thus enabling piping from other applications and utilities. The
                same works for stdout as well, so FAAC can pipe its output to
                other apps such as a server.
  -o X          Set output file to X (only for one input file)
                only for one input file; you can use *.aac, *.mp4, *.m4a or
                *.m4b as file extension, and the file format will be set
                automatically to ADTS or MP4).
  -P            Raw PCM input mode (default: off, i.e. expecting a WAV header;
                necessary for input files or bitstreams without a header; using
                only -P assumes the default values for -R, -B and -C in the
                input file).
  -R            Raw PCM input sample rate in Hz (default: 44100 Hz, max. 96 kHz)
  -B            Raw PCM input sample size (default: 16, also possible 8, 24, 32
                bit fixed or float input).
  -C            Raw PCM input channels (default: 2, max. 33 + 1 LFE).
  -X            Raw PCM swap input bytes (default: bigendian).
  -I <C[,LFE]>  Input multichannel configuration (default: 3,4 which means
                Center is third and LFE is fourth like in 5.1 WAV, so you only
                have to specify a different position of these two mono channels
                in your multichannel input files if they haven't been reordered
                already).

MP4 specific options:
  -w            Wrap AAC data in MP4 container. (default for *.mp4, *.m4a and
                *.m4b)
  -s            Optimize MP4 container layout after encoding.
  --artist X    Set artist to X
  --writer X    Set writer/composer to X
  --title X     Set title/track name to X
  --genre X     Set genre to X
  --album X     Set album/performer to X
  --compilation Mark as compilation
  --track X     Set track to X (number/total)
  --disc X      Set disc to X (number/total)
  --year X      Set year to X
  --cover-art X Read cover art from file X
                Supported image formats are GIF, JPEG, and PNG.
  --comment X   Set comment to X

Expert options, only for testing purposes:
  --tns         Enable coding of TNS, temporal noise shaping.
  --no-midside  Don't use mid/side coding.
  --mpeg-vers X Force AAC MPEG version, X can be 2 or 4
  --obj-type X  AAC object type. (LC (Low Complexity, default), Main or LTP
                (Long Term Prediction)
  --shortctl X  Enforce block type (0 = both (default); 1 = no short; 2 = no
                long).
  -r            Generate raw AAC bitstream (i.e. without any headers).
                Not advised!!!, RAW AAC files are practically useless!!!

Documentation:
  --license     Show the FAAC license.
  --help        Show this abbreviated help.
  --long-help   Show complete help.

  More tips can be found in the audiocoding.com Knowledge Base at
  <http://www.audiocoding.com/wiki/>
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BatchEncoder (Audio Conversion GUI) is licensed under the MIT license.