1.1 --- a/asterisk/codecs.conf Sun Mar 20 19:27:35 2011 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,65 +0,0 @@
1.4 -;[speex]
1.5 -; CBR encoding quality [0..10]
1.6 -; used only when vbr = false
1.7 -;quality => 3
1.8 -
1.9 -; codec complexity [0..10]
1.10 -; tradeoff between cpu/quality
1.11 -;complexity => 2
1.12 -
1.13 -; perceptual enhancement [true / false]
1.14 -; improves clarity of decoded speech
1.15 -;enhancement => true
1.16 -
1.17 -; voice activity detection [true / false]
1.18 -; reduces bitrate when no voice detected, used only for CBR
1.19 -; (implicit in VBR/ABR)
1.20 -;vad => true
1.21 -
1.22 -; variable bit rate [true / false]
1.23 -; uses bit rate proportionate to voice complexity
1.24 -;vbr => true
1.25 -
1.26 -; available bit rate [bps, 0 = off]
1.27 -; encoding quality modulated to match this target bit rate
1.28 -; not recommended with dtx or pp_vad - may cause bandwidth spikes
1.29 -;abr => 0
1.30 -
1.31 -; VBR encoding quality [0-10]
1.32 -; floating-point values allowed
1.33 -;vbr_quality => 4
1.34 -
1.35 -; discontinuous transmission [true / false]
1.36 -; stops transmitting completely when silence is detected
1.37 -; pp_vad is far more effective but more CPU intensive
1.38 -;dtx => false
1.39 -
1.40 -; preprocessor configuration
1.41 -; these options only affect Speex v1.1.8 or newer
1.42 -
1.43 -; enable preprocessor [true / false]
1.44 -; allows dsp functionality below but incurs CPU overhead
1.45 -;preprocess => false
1.46 -
1.47 -; preproc voice activity detection [true / false]
1.48 -; more advanced equivalent of DTX, based on voice frequencies
1.49 -;pp_vad => false
1.50 -
1.51 -; preproc automatic gain control [true / false]
1.52 -;pp_agc => false
1.53 -;pp_agc_level => 8000
1.54 -
1.55 -; preproc denoiser [true / false]
1.56 -;pp_denoise => false
1.57 -
1.58 -; preproc dereverb [true / false]
1.59 -;pp_dereverb => false
1.60 -;pp_dereverb_decay => 0.4
1.61 -;pp_dereverb_level => 0.3
1.62 -
1.63 -
1.64 -;[plc]
1.65 -; for all codecs which do not support native PLC
1.66 -; this determines whether to perform generic PLC
1.67 -; there is a minor performance penalty for this
1.68 -;genericplc => true
