[Freeswitch-users] use-vbr vs adjust-bitrate in opus.conf.xml

[Dragos Oancea]

"use-vbr" will configure the encoder in VBR mode - which is the opposite of
CBR . This happens once during the call, when the encoder is initiated, and
the payload for each packet will have different sizes based on the audio
input.  "adjust-bitrate" enables a feature in FS that will pass certain
information to the opus module during the call and the bitrate of the
encoder will be modified based on packet loss / RTT .

Dragos

On Mon, Nov 2, 2020 at 3:18 PM E. Schmidbauer <eschmidbauer at gmail.com>
wrote:

> in opus.conf.xml what is the difference between adjust-bitrate and use-vbr
> ?
> doesn’t variable bit rate (vbr) adjust the bitrate? or do you need both
> enabled for that to actually work?
> or do they contradict each other?
> Any info on this would be greatly appreciated and i would love to document
> the answer on confluence
> https://freeswitch.org/confluence/display/FREESWITCH/mod_opus
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