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FAAC(1) Free Advanced Audio Coder FAAC(1) NAME faac - open source MPEG-4 and MPEG-2 AAC encoder SYNOPSIS faac [options] [-o outfile] infiles ... <infiles> and/or <outfile> can be "-", which means stdin/stdout. DESCRIPTION FAAC is an open source MPEG-4 and MPEG-2 AAC encoder, it is licensed under the LGPL license. Note that the quality of FAAC is not up to par with the currently best AAC encoders available. FEATURES * Portable * Fast * LC, Main, LTP support HELP OPTIONS -h Short help on using FAAC -H Description of all options for FAAC --license License terms for FAAC. --help-qual Quality-related options --help-io Input/output options --help-mp4 MP4 specific options Quality-related options --help-advanced Advanced options, only for testing purposes QUALITY-RELATED OPTIONS -q <quality> Set encoding quality. Set default variable bitrate (VBR) quality level in percent. max. 5000, min. 10. default: 100, averages at approx. 120 kbps VBR for a normal stereo input file with 16 bit and 44.1 kHz sample rate -b <bitrate> Set average bitrate (ABR) to approximately <bitrate> kbps. max. ~500 (stereo) -c <freq> Set the bandwidth in Hz. The actual frequency is adjusted to maxi- mize upper spectral band usage. INPUT/OUTPUT OPTIONS -o <filename> 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). - Use stdin/stdout. If you simply use a hyphen/minus sign instead of a filename, FAAC can encode directly from stdin, thus enabling pip- ing 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. -v <vebose> Verbosity level (-v0 is quiet mode) -r Use RAW AAC output file. Generate raw AAC bitstream (i.e. without any headers). Not advised!!!, RAW AAC files are practically use- less!!! -P Raw PCM input mode (default 44100Hz 16bit stereo). 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 de- fault values for -R, -B and -C in the input file). -R <samplerate> Raw PCM input rate. Raw PCM input sample rate in Hz (default: 44100 Hz, max. 96 kHz) -B <samplebits> Raw PCM input sample size (8, 16 (default), 24 or 32bits). Raw PCM input sample size (default: 16, also possible 8, 24, 32 bit fixed or float input). -C <channels> Raw PCM input channels. Raw PCM input channels (default: 2, max. 33 + 1 LFE). -X Raw PCM swap input bytes Raw PCM swap input bytes (default: bigen- dian). -I <C[,LFE]> Input channel config, default is 3,4 (Center third, LF fourth) 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). --ignorelength Ignore wav length from header (useful with files over 4 GB) --overwrite Overwrite existing output file MP4 SPECIFIC OPTIONS -w Wrap AAC data in MP4 container. (default for *.mp4, *.m4a and *.m4b) --tag <tagname,tagvalue> Add named tag (iTunes '----') --artist <name> Set artist name --composer <name> Set composer name --title <name> Set title/track name --genre <number> Set genre number --album <name> Set album/performer --compilation Mark as compilation --track <number/total> Set track number --disc <number/total> Set disc number --year <number> Set year --cover-art <filename> Read cover art from file X Supported image formats are GIF, JPEG, and PNG. --comment <string> Set comment ADVANCED OPTIONS, ONLY FOR TESTING PURPOSES --tns Enable coding of TNS, temporal noise shaping. --no-tns Disable 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 --shortctl X Enforce block type (0 = both (default); 1 = no short; 2 = no long). AUTHORS FAAC was written by M. Bakker <menno@audiocoding.com>. Developed and maintained by Krzysztof Nikiel <knik@users.sourceforge.net>. This manpage was written by Fabian Greffrath <fabian@debian-unofficial.org> for the Debian Unofficial project (but may be used by others, of course). 1.29.5 2017-08-16 FAAC(1)
NAME | SYNOPSIS | DESCRIPTION | FEATURES | HELP OPTIONS | QUALITY-RELATED OPTIONS | INPUT/OUTPUT OPTIONS | MP4 SPECIFIC OPTIONS | ADVANCED OPTIONS, ONLY FOR TESTING PURPOSES | AUTHORS
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