[pjsip] Audio Stuttering in SVN?

Norman Franke norman at myasd.com
Tue Apr 8 18:58:46 EDT 2008


Maybe. I was yelling into my mic today with the code from svn, and I  
couldn't get it to stutter. Very strange.

Norman Franke
Answering Service for Directors, Inc.
www.myasd.com

On Apr 8, 2008, at 6:41 PM, Nanang Izzuddin wrote:

> So it seems the stutter is not caused by the new jitter buffer then.
> If it is caused by loud mic volume, it should be easily solved by
> lower the sound device mic volume (not pjsua volume). I assumed you
> have tried this as suggested by Atik.
>
> Does that happen for all codecs?
> For example: PCMU or GSM which has (much) lower computation than Speex
> WB (default pjsua codec for desktop).
>
>
> Regards,
> nanang
>
>
> On 09/04/2008, Norman Franke <norman at myasd.com> wrote:
>>  All on a lightly loaded 100 mbps switched LAN. I want to see if I  
>> can
>> reproduce this somehow so I can then test with the older jitter  
>> buffer code.
>> The other machines are slower, but I had it happen on my computer  
>> once
>> (before I knew what it was), which is a quad G5 Power Mac.
>>
>>
>> Norman Franke
>> Answering Service for Directors, Inc.
>> www.myasd.com
>>
>> On Apr 8, 2008, at 5:25 AM, Nanang Izzuddin wrote:
>> Hi Norman,
>>
>> Was the calls done locally in LAN, which potentially has no  
>> problem with
>> jitter?
>> Furthermore, if you have time, please try as Benny said,
>> use older revision (r 1886 or older) for jitter buffer (jbuf.h &  
>> c) but use
>> latest revision for the rest of the codes.
>>
>> Regards,
>> nanang
>>
>>
>> On 04/04/2008, Norman Franke <norman at myasd.com> wrote:
>>>
>>>
>>> Unfortunately, that's going to be hard. I can let our folks use this
>> normally since it makes some calls impossible to hear, but not  
>> all. I can
>> try to reproduce it on my end, though. As someone mentioned, it  
>> may have
>> something to do with loud audio. Not sure. I'll see what I can  
>> find out.
>>>
>>>
>>>
>>> Norman Franke
>>> Answering Service for Directors, Inc.
>>> www.myasd.com
>>>
>>>
>>> On Apr 1, 2008, at 5:03 PM, Nanang Izzuddin wrote:
>>>
>>>
>>> I could not reproduce and still unsure which part is causing the  
>>> stutter.
>>> Could you send the log file with log level 5 of the stuttering  
>>> pjsua?
>>>
>>>
>>> Regards,
>>> nanang
>>>
>>>
>>>
>>>
>>> On 01/04/2008, Norman Franke <norman at myasd.com> wrote:
>>>
>>>  This is under OS X 10.4.11 compiled with:
>>>
>>>
>>> ./aconfigure --disable-ssl CFLAGS='-O2 -DNDEBUG'
>>>
>>>
>>> And with these options:
>>>
>>>
>>>
>>>
>>>  APPCFG.media_cfg.clock_rate = 16000;
>>>  APPCFG.media_cfg.no_vad = PJ_TRUE; // Disable silence detection
>>>  APPCFG.media_cfg.ec_tail_len = 0;
>>>  APPCFG.media_cfg.quality = 3;
>>>
>>>
>>> Otherwise, everything else is default. It doesn't always happen,  
>>> only
>> about
>>> 15% of the time.
>>>
>>>
>>>
>>>
>>> Norman Franke
>>> Answering Service for Directors, Inc.
>>> www.myasd.com
>>>
>>>
>>> On Apr 1, 2008, at 1:19 AM, Nanang Izzuddin wrote:
>>>
>>>
>>> Hi Norman,
>>>
>>>
>>> There are major changes (mostly enhancements) have been done  
>>> recently
>>> in the pjmedia, so far everything looks fine in our test  
>>> machines, and
>>> we are actually waiting for feedbacks.
>>> To make it easier to reproduce, could you specify the media related
>>> command line/configuration of pjsua?
>>>
>>>
>>> Thanks,
>>> nanang
>>>
>>>
>>>
>>>
>>> On 01/04/2008, Norman Franke <norman at myasd.com> wrote:
>>>  I've been noticing what appears to be like a stuttering or  
>>> picket fencing
>>> of incoming audio with the latest svn branch. Did something  
>>> change in
>> early
>>> or mid March? I've reverted to 06-Mar-2008 and that seems fine  
>>> (which is
>>> after the splitcomb changes, which I also use.)
>>>
>>>
>>>
>>>
>>> Norman Franke
>>> Answering Service for Directors, Inc.
>>> www.myasd.com
>>>
>>>
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