[ntp:questions] Accuracy of audio tones via VOIP

David Woolley david at ex.djwhome.demon.invalid
Tue Jul 9 17:59:05 UTC 2013


On 09/07/13 15:35, Robert Scott wrote:

> as much as the local quartz oscillator frequencies?  Does anyone have
> any insight on how Skype and other VOIP systems manage record/playback
> rate synchronization?
>

The workings of Skype are a trade secret.  Other ones will have a jitter 
buffer, and will typically dump or repeat frames if that gets too full 
or risks underflowing.  RTP allows the source to mark good places to do 
this.




More information about the questions mailing list