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FAAD Command-Line Manual Page ​

The reference below is generated automatically from the upstream faad.man manual page.

NAME ​

faad — Process an Advanced Audio Codec stream

SYNOPSIS ​

faad [options] [-w | -o <output_filename> | -a <output_filename>] input_filename

DESCRIPTION ​

This utility provides a command line interface to libfaad2. This program reads in MPEG-4 AAC files, processes, and outputs them in either Microsoft WAV, MPEG-4 AAC ADTS, or standard PCM formats.

OPTIONS ​

  • -a <filename>, --adtsout <filename> Sets the processing to output to the specified file in MPEG-4 AAC ADTS format
  • -b <number>, --bits <number> Set the output (individual) sample format. The number takes one of the following values:
    • 1: 16-bit PCM data (default).
    • 2: 24-bit PCM data.
    • 3: 32-bit PCM data.
    • 4: 32-bit floating-point data.
    • 5: 64-bit floating-point data.
  • -d, --downmix Set the processing to downsample from 5.1 (surround sound and bass) channels to 2 channels (stereo).
  • -f <number>, --format <number> Set the output file format. The number takes one of the following values:
    • 1: Microsoft WAV format (default).
    • 2: Raw PCM data.
  • -g Disable sample-accurate gapless decoding (output un-trimmed raw PCM).
  • -h, --help Shows a usage summary.
  • -i, --info Shows information about the about the input file.
  • -l <number>, --objecttype <number> Sets the MPEG-4 profile and object type for the processing to use. The number takes one of the following values:
    • 1: Main object type.
    • 2: Low Complexity (LC) object type (default).
    • 4: Long Term Prediction (LTP) object type.
    • 23: Low Delay (LD) object type.
  • -o <filename>, --outfile <number> Sets the filename for processing output.
  • -q, --quiet Quiet - Suppresses status messages during processing.
  • -t, --oldformat Sets the processing to use the old MPEG-4 AAC ADTS format when outputting in said format.
  • -w, --stdio Sets the processing output to be sent to the standard out.

AUTHOR ​

Matthew W. S. Bell <matthew (at) bells23.org.uk>

SEE ALSO ​

faac(1)

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