Aften: A/52 audio encoder Version SVN (c) 2006-2007 Justin Ruggles, Prakash Punnoor, et al. usage: aften [options] options: [-h] Print out list of commandline options [-longhelp] Print out commandline option details [-version] Print out the build version [-v #] Verbosity (controls output to console) 0 = quiet mode 1 = show average stats (default) 2 = show each frame's stats [-threads #] Number of parallel threads to use 0 = detect number of CPUs (default) [-nosimd X] Comma-separated list of SIMD instruction sets not to use Available sets are mmx, sse, sse2, sse3 and altivec. No spaces are allowed between the sets and the commas. [-b #] CBR bitrate in kbps (default: about 96kbps per channel) [-q #] VBR quality [0 - 1023] (default: 240) [-fba #] Fast bit allocation (default: 0) 0 = more accurate encoding 1 = faster encoding [-fes #] Fast exponent strategy decision (default: 0) 0 = higher quality encoding 1 = faster encoding [-pad #] Start-of-stream padding 0 = no padding 1 = 256 samples of padding (default) [-w #] Bandwidth 0 to 60 = fixed bandwidth (28%-99% of full bandwidth) -1 = fixed adaptive bandwidth (default) -2 = variable adaptive bandwidth [-wmin #] Minimum bandwidth [0 - 60] (default: 0) [-wmax #] Maximum bandwidth [0 - 60] (default: 60) [-m #] Stereo rematrixing 0 = independent L+R channels 1 = mid/side rematrixing (default) [-s #] Block switching 0 = use only 512-point MDCT (default) 1 = selectively use 256-point MDCT [-cmix #] Center mix level 0 = -3.0 dB (default) 1 = -4.5 dB 2 = -6.0 dB [-smix #] Surround mix level 0 = -3 dB (default) 1 = -6 dB 2 = 0 [-dsur #] Dolby Surround mode 0 = not indicated (default) 1 = not Dolby surround encoded 2 = Dolby surround encoded [-dnorm #] Dialog normalization [0 - 31] (default: 31) [-dynrng #] Dynamic Range Compression profile 0 = Film Light 1 = Film Standard 2 = Music Light 3 = Music Standard

[-acmod #]

[-lfe #] [-chconfig X]

[-ch_X file]

[-raw_fmt X]

[-raw_sr #] [-raw_ch #] [-chmap #]

[-readtoeof #] [-bwfilter #] [-dcfilter #] [-lfefilter #] [-xbsi1 #] [-dmixmod #]

4 = Speech 5 = None (default) Audio coding mode (overrides wav header) 0 = 1+1 (Ch1,Ch2) 1 = 1/0 (C) 2 = 2/0 (L,R) 3 = 3/0 (L,R,C) 4 = 2/1 (L,R,S) 5 = 3/1 (L,R,C,S) 6 = 2/2 (L,R,SL,SR) 7 = 3/2 (L,R,C,SL,SR) Specify use of LFE channel (overrides wav header) 0 = LFE channel is not present 1 = LFE channel is present Specify channel configuration (overrides wav header) 1+1 = (Ch1,Ch2) 1/0 = (C) 2/0 = (L,R) 3/0 = (L,R,C) 2/1 = (L,R,S) 3/1 = (L,R,C,S) 2/2 = (L,R,SL,SR) 3/2 = (L,R,C,SL,SR) adding "+LFE" indicates use of the LFE channel Add a mono file to the input list as the channel specified ch_fl = Front Left ch_fc = Front Center ch_fr = Front Right ch_sl = Surround Left ch_s = Surround ch_sr = Surround Right ch_m1 = Dual Mono Channel 1 ch_m2 = Dual Mono Channel 2 ch_lfe = LFE Raw audio input sample format (default: s16_le) One of the pre-defined sample formats: u8, s8, s16_le, s16_be, s20_le, s20_be, s24_le, s24_be, s32_le, s32_be, float_le, float_be, double_le, double_be Raw audio input sample rate (default: 48000) Raw audio input channels (default: 1) Channel mapping order of input audio 0 = WAVE mapping (default) 1 = AC-3 mapping 2 = MPEG mapping Read input WAVE audio data until the end-of-file 0 = use data size in header (default) 1 = read data until end-of-file Specify use of the bandwidth low-pass filter 0 = do not apply filter (default) 1 = apply filter Specify use of the DC high-pass filter 0 = do not apply filter (default) 1 = apply filter Specify use of the LFE low-pass filter 0 = do not apply filter (default) 1 = apply filter Specify use of extended bitstream info 1 0 = do not write xbsi1 1 = write xbsi1 Preferred stereo downmix mode

[-ltrtcmix [-ltrtsmix [-lorocmix [-lorosmix

#] #] #] #]

[-xbsi2 #] [-dsurexmod #]

[-dheadphon #]

[-adconvtyp #]

0 = not indicated (default) 1 = Lt/Rt downmix preferred 2 = Lo/Ro downmix preferred Lt/Rt center mix level Lt/Rt surround mix level Lo/Ro center mix level Lo/Ro surround mix level 0 = +3.0 dB 1 = +1.5 dB 2 = 0.0 dB 3 = -1.5 dB 4 = -3.0 dB (default) 5 = -4.5 dB 6 = -6.0 dB 7 = -inf dB Specify use of extended bitstream info 2 0 = do not write xbsi2 1 = write xbsi2 Dolby Surround EX mode 0 = not indicated (default) 1 = Not Dolby Surround EX encoded 2 = Dolby Surround EX encoded Dolby Headphone mode 0 = not indicated (default) 1 = Not Dolby Headphone encoded 2 = Dolby Headphone encoded A/D converter type 0 = Standard (default) 1 = HDCD