[Speex-dev] herky-jerky audio

Ken Smith ken at alanta.com
Fri Nov 5 09:54:08 PDT 2010


Lots of possible reasons.  What are you using for your jitter buffer?  What
are you using as your timer for submitting decoded packets to the sound
card?

Ken Smith
Cell: 425-443-2359
Email: ken at alanta.com
Blog: http://blog.wouldbetheologian.com/


On Fri, Nov 5, 2010 at 6:55 AM, Jeff Ramin <jeff.ramin at singlewire.com>wrote:

>
> I found the problem I was having (described below), and I'm now able to
> hear the audio at the destination.
>
> However, the audio does not play smoothly. It has hiccups and jumps and
> stops. I can't guarantee this is the problem, but it may be related to
> delays
> caused when the Speex2PcmAudioInputStream needs to process an Ogg
> page header.
>
> Has anybody else had problems decoding speex that is being streamed? Any
> suggestions as to how to fix this?
>
> Thanks.
>
>
> On 11/03/2010 03:05 PM, Jeff Ramin wrote:
> >
> > I have a couple apps running on my machine; one takes a PCM audio stream,
> > converts it to Speex, and sends it over the network using RTP. The
> > other receives
> > the RTP packets, and then converts the Speex data back to PCM. The PCM
> > is then
> > played out the audio system.
> >
> > I'm currently ending up w/ static. Anybody have any pointers as to how
> > to debug
> > the situation?
> >
> > Thanks.
> >
>
>
> --
> Jeff Ramin
> Software Engineer
> Singlewire Software
> 2601 W Beltline Hwy #510
> Madison, WI 53713
>
> Phone Direct - 608.661.1172
> www.singlewire.com
>
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