Hello
On Fri, 25 May 2012 13:52:52 +0200, Dragos D <[email protected]> wrote:
Hi, I am not sure what you mean by jitter. Do you mean discontinuities
when
hearing the other party, or the way they hear you?
Well, for now I've only tested using the iptel.org 'music' and 'echo'
services. Currently using 'GSM' codec and 3G.
When testing 'music', especially in the first ~10sec, I get intermittent
scratching noises inserted. (Analogous to electrical discharges? Or
perhaps to ancient vinyl discs?) I'm not sure how else to describe them. I
don't get them in MizuDroid.
I'm wondering though if that's due to the complexity of the stream in
'music'. I've tested also with 'echo', talking like a fool to myself, and
I no longer get these jitters. So maybe this is all a false alarm.
Could you use headphones and disable both the echo limiter and the echo
cancellation and let me know how it behaves?
I've disabled both and plugged in decent headphones: I still get the
jitters in 'music'. And seemingly no issues with 'echo'.
Two questions: Is 'GSM' the code that I should prefer (as in: the optimal
codec) for 3G? And is it possible to record SIP calls? I can use
'vrecorder' to record regular phone calls, but I'm not sure how I could do
this for Linphone or MizuDroid.
Cheers
Liviu
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