The delay's been limited to 1 second but the silence suppression was off; I'll try it in the on position, and thanks - Alan
On Mon, 2 Oct 2006, Colin Perkins wrote: > Hi, > > On 2 Oct 2006, at 09:00, Andrew A Rowley wrote: >> In RAT, you can go to "Options..." then select "Reception" from the top >> menu. From here you can limit the playout delay to 1 second (if I am >> reading it correctly). >> >> Playout delay in RAT is adaptive - my understanding of this is that if >> there are lots of packets arriving late, it will increase the delay until >> there is enough that most packets arrive within the time of the playout >> delay. I think that VIC does this too, but no so aggressively, hence the >> difference between audio and video delays. I am guessing that you see lots >> of breaking up of the video which would show that it is having to throw >> away lots of late packets. > > Also, do you have silence suppression turned on in rat? If not, and if the > sender and receiver audio sampling clocks run at slightly different rates, > delay can build up and result in the type of problem you're seeing (rat > compensates for mismatched sampling clocks by varying the length of silent > periods, which it can't do if silence suppression is disabled). > > Colin > blog at http://nikuko.blogspot.com - for URLs, DVDs, CDs, books/etc. see http://www.asondheim.org/advert.txt - contact [email protected], - general directory of work: http://www.asondheim.org Trace at: http://tracearchive.ntu.ac.uk - search "Alan Sondheim" http://clc.as.wvu.edu:8080/clc/Members/sondheim
