| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- [speex]
- ; CBR encoding quality [0..10]
- ; used only when vbr = false
- quality =>8
- ; codec complexity [0..10]
- ; tradeoff between cpu/quality
- complexity =>1
- ; perceptual enhancement [true / false]
- ; improves clarity of decoded speech
- enhancement => false
- ; voice activity detection [true / false]
- ; reduces bitrate when no voice detected, used only for CBR
- ; (implicit in VBR/ABR)
- vad => false
- ; variable bit rate [true / false]
- ; uses bit rate proportionate to voice complexity
- vbr => false
- ; available bit rate [bps, 0 = off]
- ; encoding quality modulated to match this target bit rate
- ; not recommended with dtx or pp_vad - may cause bandwidth spikes
- abr => 0
- ; VBR encoding quality [0-10]
- ; floating-point values allowed
- vbr_quality => 4
- ; discontinuous transmission [true / false]
- ; stops transmitting completely when silence is detected
- ; pp_vad is far more effective but more CPU intensive
- dtx => false
- ; preprocessor configuration
- ; these options only affect Speex v1.1.8 or newer
- ; enable preprocessor [true / false]
- ; allows dsp functionality below but incurs CPU overhead
- preprocess => false
- ; preproc voice activity detection [true / false]
- ; more advanced equivalent of DTX, based on voice frequencies
- pp_vad => false
- ; preproc automatic gain control [true / false]
- pp_agc => false
- pp_agc_level => 8000
- ; preproc denoiser [true / false]
- pp_denoise => false
- ; preproc dereverb [true / false]
- pp_dereverb => false
- pp_dereverb_decay => 0.4
- pp_dereverb_level => 0.3
- [plc]
- ; for all codecs which do not support native PLC
- ; this determines whether to perform generic PLC
- ; there is a minor performance penalty for this
- genericplc => true
|
