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 Readme for:  Audio » Convert » faac.lha


Description: Freeware Advanced Audio Coder
Download: faac.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 76kb
Version: 1.30
Date: 22 Apr 2024
Author: FAAC team
Submitter: Michael Trebilcock
Homepage: https://github.com/knik0/faac/tags
Category: audio/convert
Replaces: audio/convert/faac.lha
License: LGPL
Distribute: yes
Min OS Version: 4.1
FileID: 12925
Comments: 1
Snapshots: 0
Videos: 0
Downloads: 75  (Current version)
543  (Accumulated)
Votes: 0 (0/0)  (30 days/7 days)

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The FAAC project includes the AAC encoder FAAC and decoder FAAD2. It supports
several MPEG-4 object types (LC, Main, LTP, HE AAC, PS) and file formats (ADTS
AAC, raw AAC, MP4), multichannel and gapless en/decoding as well as MP4 metadata
tags. The codecs are compatible with standard-compliant audio applications using
one or more of these profiles.

This package contains the frontend.

Usage: faac [options] infile

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
	--help-advanced	Advanced options, only for testing purposes
Quality-related options:
    -q <quality>	Set encoding quality.
		Set default variable bitrate (VBR) quantizer quality 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 to x kbps. (ABR)
		Set average bitrate (ABR) to approximately <bitrate> kbps.
		max. ~500 (stereo)
    -c <freq>	Set the bandwidth in Hz.
		The actual frequency is adjusted to maximize upper spectral band

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 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.
    -v <verbose>		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 useless!!!
    -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 default 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: bigendian).
    -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
    --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 and *.m4a)
		Wrap AAC data in MP4 container. (default for *.mp4, *.m4a and
    --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.
    --joint 0	Disable joint stereo coding.
    --joint 1	Use Mid/Side coding.
    --joint 2	Use Intensity Stereo coding.
    --pns <0 .. 10>	PNS level; 0=disabled.
    --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

Copyright © 2004-2024 by Björn Hagström All Rights Reserved