aften.1

.TH AFTEN 1 "NOVEMBER 2014"

.SH NAME
Aften \- A/52 audio encoder

.SH SYNOPSIS
.B aften \fR[options] <input.wav> <output.ac3>

.SH OPTIONS
.TP
.B \-h
Print out list of commandline options
.TP
.B \-longhelp
Print out commandline option details
.TP
.B \-version
Print out the build version
.TP
.B \-v #
Verbosity (controls output to console)
.br
0 = quiet mode
.br
1 = show average stats (default)
.br
2 = show each frame's stats
.TP
.B \-threads #
Number of parallel threads to use
.br
0 = detect number of CPUs (default)
.TP
.B \-nosimd X
Comma-separated list of SIMD instruction sets not to use
.br
Available sets are mmx, sse, sse2, sse3 and altivec.
.br
No spaces are allowed between the sets and the commas.
.TP
.B \-b #
CBR bitrate in kbps (default: about 96kbps per channel)
.TP
.B \-q #
VBR quality [0 - 1023] (default: 240)
.TP
.B \-fba #
Fast bit allocation (default: 0)
.br
0 = more accurate encoding
.br
1 = faster encoding
.TP
.B \-exps #
Exponent strategy search size (default: 8)
.br
1 to 32 (lower is faster, higher is better quality)
.TP
.B \-pad #
Start-of-stream padding
.br
0 = no padding
.br
1 = 256 samples of padding (default)
.TP
.B \-w #
Bandwidth
.br
0 to 60 = fixed bandwidth (28%-99% of full bandwidth)
.br
-1 = fixed adaptive bandwidth (default)
.br
-2 = variable adaptive bandwidth
.TP
.B \-wmin #
Minimum bandwidth [0 - 60] (default: 0)
.TP
.B \-wmax #
Maximum bandwidth [0 - 60] (default: 60)
.TP
.B \-m #
Stereo rematrixing
.br
0 = independent L+R channels
.br
1 = mid/side rematrixing (default)
.TP
.B \-s #
Block switching
.br
0 = use only 512-point MDCT (default)
.br
1 = selectively use 256-point MDCT
.TP
.B \-cmix #
Center mix level
.br
0 = -3.0 dB (default)
.br
1 = -4.5 dB
.br
2 = -6.0 dB
.TP
.B \-smix #
Surround mix level
.br
0 = -3 dB (default)
.br
1 = -6 dB
.br
2 = 0
.TP
.B \-dsur #
Dolby Surround mode
.br
0 = not indicated (default)
.br
1 = not Dolby surround encoded
.br
2 = Dolby surround encoded
.TP
.B \-dnorm #
Dialog normalization [0 - 31] (default: 31)
.TP
.B \-dynrng #
Dynamic Range Compression profile
.br
0 = Film Light
.br
1 = Film Standard
.br
2 = Music Light
.br
3 = Music Standard
.br
4 = Speech
.br
5 = None (default)
.TP
.B \-acmod #
Audio coding mode (overrides wav header)
.br
0 = 1+1 (Ch1,Ch2)
.br
1 = 1/0 (C)
.br
2 = 2/0 (L,R)
.br
3 = 3/0 (L,R,C)
.br
4 = 2/1 (L,R,S)
.br
5 = 3/1 (L,R,C,S)
.br
6 = 2/2 (L,R,SL,SR)
.br
7 = 3/2 (L,R,C,SL,SR)
.TP
.B \-lfe #
Specify use of LFE channel (overrides wav header)
.br
0 = LFE channel is not present
.br
1 = LFE channel is present
.TP
.B \-chconfig X
Specify channel configuration (overrides wav header)
.br
1+1 = (Ch1,Ch2)
.br
1/0 = (C)
.br
2/0 = (L,R)
.br
3/0 = (L,R,C)
.br
2/1 = (L,R,S)
.br
3/1 = (L,R,C,S)
.br
2/2 = (L,R,SL,SR)
.br
3/2 = (L,R,C,SL,SR)
.br
adding "+LFE" indicates use of the LFE channel
.TP
.B \-ch_X file
Add a mono file to the input list as the channel specified
.br
ch_fl  = Front Left
.br
ch_fc  = Front Center
.br
ch_fr  = Front Right
.br
ch_sl  = Surround Left
.br
ch_s   = Surround
.br
ch_sr  = Surround Right
.br
ch_m1  = Dual Mono Channel 1
.br
ch_m2  = Dual Mono Channel 2
.br
ch_lfe = LFE
.TP
.B \-raw_fmt X
Raw audio input sample format (default: s16_le)
.br
One of the pre-defined sample formats:
.br
u8, s8, s16_le, s16_be, s20_le, s20_be, s24_le, s24_be,
.br
s32_le, s32_be, float_le, float_be, double_le, double_be
.TP
.B \-raw_sr #
Raw audio input sample rate (default: 48000)
.TP
.B \-raw_ch #
Raw audio input channels (default: 1)
.TP
.B \-chmap #
Channel mapping order of input audio
.br
0 = WAVE mapping (default)
.br
1 = AC-3 mapping
.br
2 = MPEG mapping
.TP
.B \-readtoeof #
Read input WAVE audio data until the end-of-file
.br
0 = use data size in header (default)
.br
1 = read data until end-of-file
.TP
.B \-bwfilter #
Specify use of the bandwidth low-pass filter
.br
0 = do not apply filter (default)
.br
1 = apply filter
.TP
.B \-dcfilter #
Specify use of the DC high-pass filter
.br
0 = do not apply filter (default)
.br
1 = apply filter
.TP
.B \-lfefilter #
Specify use of the LFE low-pass filter
.br
0 = do not apply filter (default)
.br
1 = apply filter
.TP
.B \-xbsi1 #
Specify use of extended bitstream info 1
.br
0 = do not write xbsi1
.br
1 = write xbsi1
.TP
.B \-dmixmod #
Preferred stereo downmix mode
.br
0 = not indicated (default)
.br
1 = Lt/Rt downmix preferred
.br
2 = Lo/Ro downmix preferred
.TP
.B \-ltrtcmix #
Lt/Rt center mix level
.TP
.B \-ltrtsmix #
Lt/Rt surround mix level
.TP
.B \-lorocmix #
Lo/Ro center mix level
.TP
.B \-lorosmix #
Lo/Ro surround mix level
.br
0 = +3.0 dB
.br
1 = +1.5 dB
.br
2 =  0.0 dB
.br
3 = -1.5 dB
.br
4 = -3.0 dB (default)
.br
5 = -4.5 dB
.br
6 = -6.0 dB
.br
7 = -inf dB
.TP
.B \-xbsi2 #
Specify use of extended bitstream info 2
.br
0 = do not write xbsi2
.br
1 = write xbsi2
.TP
.B \-dsurexmod #
Dolby Surround EX mode
.br
0 = not indicated (default)
.br
1 = Not Dolby Surround EX encoded
.br
2 = Dolby Surround EX encoded
.TP
.B \-dheadphon #
Dolby Headphone mode
.br
0 = not indicated (default)
.br
1 = Not Dolby Headphone encoded
.br
2 = Dolby Headphone encoded
.TP
.B \-adconvtyp #
A/D converter type
.br
0 = Standard (default)
.br
1 = HDCD

.SH COPYRIGHT
Copyright \(co 2006-2009 Justin Ruggles, Prakash Punnoor, et al.