[Speex-dev] herky-jerky audio

[Ken Smith]

I don't think it's being actively worked anymore, but you might be able to
get yourself in as a contributor here:

http://sourceforge.net/projects/jspeex/

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


On Tue, Nov 9, 2010 at 1:47 PM, Jeff Ramin <jeff.ramin at singlewire.com>wrote:

>
> Is Jspeex still being worked on? Is there somewhere I can send the code
> changes I've made to facilitate smooth streaming?
>
>
>
> On 11/09/2010 11:33 AM, Jeff Ramin wrote:
> >
> > Just an update, and a follow-up question:
> >
> > I'm making progress on this issue, and will likely have something working
> > very soon, now that I understand how the jspeex transcoding classes work.
> > Unfortunately, I will need to make a couple small changes to the jspeex
> > source code.
> >
> > My question is - is anybody using jspeex for streaming speex-encoded
> > audio?
> > It works great for static audio, but seems to fall short when
> > processing audio
> > on the fly in a stream.
> >
> > Thanks.
> >
> >
> > On 11/05/2010 02:11 PM, Jeff Ramin wrote:
> >>
> >> On 11/05/2010 02:13 PM, Pascal Pochol wrote:
> >>> Jeff,
> >>>
> >>>> 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?
> >>> We first used the speexenc speexdec sources which encapsulate into
> >>> an ogg
> >>> stream. Once that worked we decided to get rid of the ogg encapsulator
> >>> altogether and keep only the speex stream data since we were in
> >>> charge of
> >>> both encoding and decoding. The sample code at
> >>>     http://www.speex.org/docs/manual/speex-manual/node13.html
> >>> is IMHO a lot easier than having to deal with all the ogg
> >>> encapsulation if
> >>> you don't need it.
> >>>
> >>> -Pascal
> >>
> >> Thanks Pascal.
> >>
> >> I would actually love to do something like that, since I do control
> >> both ends
> >> of the transmission. However, I need to integrate my new code w/
> >> existing code
> >> which uses Java InputAudioStreams (I'm using the jspeex library).
> >> There doesn't
> >> seem to be a way to configure the stream to exclude the Ogg header
> >> (short of
> >> modifying the jspeex code, which I'd rather not do).
> >>
> >>
> >
> >
>
>
> --
> Jeff Ramin
> Software Engineer
> Singlewire Software
> 2601 W Beltline Hwy #510
> Madison, WI 53713
>
> Phone Direct - 608.661.1172
> www.singlewire.com
>
> _______________________________________________
> Speex-dev mailing list
> Speex-dev at xiph.org
> http://lists.xiph.org/mailman/listinfo/speex-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20101109/011a00cd/attachment.htm