diff options
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/codecs.conf.sample | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/configs/codecs.conf.sample b/configs/codecs.conf.sample index c8caeab60..4404d4a0c 100644 --- a/configs/codecs.conf.sample +++ b/configs/codecs.conf.sample @@ -63,3 +63,74 @@ pp_dereverb_level => 0.3 ; this determines whether to perform generic PLC ; there is a minor performance penalty for this genericplc => true + +; Generate custom formats for formats requiring attributes. +; After defining the custom format, the name used in defining +; the format can be used throughout Asterisk in the format 'allow' +; and 'disallow' options. +; +; Example: silk8 is a predefined custom format in this config file. +; Once this config file is loaded, silk8 can be used anywhere a +; peer's codec capabilities are defined. +; +; In sip.conf 'silk8' can be defined as a capability for a peer. +; [peer1] +; type=peer +; host=dynamic +; disallow=all +; allow=silk8 ;custom codec defined in codecs.conf +; +; LIMITATIONS +; Custom formats can only be defined at startup. Any changes to this +; file made after startup will not take into effect until after Asterisk +; is restarted. +; + +; Default Custom SILK format definitions, only one custom SILK format per +; sample rate is allowed. +[silk8] +type=silk +samprate=8000 +fec=true ; turn on or off encoding with forward error correction. + ; On recommended, off by default. +packetloss_percentage=10 ; Estimated packet loss percentage in uplink direction. This + ; affects how much redundancy is built in when using fec. + ; The higher the percentage, the larger amount of bandwidth is + ; used. Default is 0%, 10% is recommended when fec is in use. + +maxbitrate=10000 ; Use the table below to make sure a useful bitrate is choosen + ; for maxbitrate. If not set or value is not within the bounds + ; of the encoder, a default value is chosen. + ; + ; sample rate | bitrate range + ; 8khz | 5000 - 20000 bps + ; 12khz | 7000 - 25000 bps + ; 16khz | 8000 - 30000 bps + ; 24khz | 20000- 40000 bps + ; +;dtx=true ; Encode using discontinuous transmission mode or not. Turning this + ; on will save bandwidth during periods of silence at the cost of + ; increased computational complexity. Off by default. + +[silk12] +type=silk +samprate=12000 +maxbitrate=12000 +fec=true +packetloss_percentage=10; + +[silk16] +type=silk +samprate=16000 +maxbitrate=20000 +fec=true +packetloss_percentage=10; + + +[silk24] +type=silk +samprate=24000 +maxbitrate=30000 +fec=true +packetloss_percentage=10; + |