[Speex-dev] Starting point
Jean-Marc.Valin at USherbrooke.ca
Mon Apr 18 21:58:37 PDT 2005
I suggest you start with the Speex manual and the sampleenc/sampledec
applications in the Appendix. FYI, the Speex frame size is 20 ms at 8
kHz and UDP is much better than TCP for VoIP for latency reasons.
Le lundi 18 avril 2005 à 23:36 -0400, Julian Ford a écrit :
> Hello there,
> I know newbie messages are often a pain, but everyone has to start
> I am new to the world of VoIP, and want to get started with a "simple"
> application...no bells and whistles, just two users connected and able to
> I stumbled on the Speex CODEC, and it looks as though it fits my needs...now
> just have to figure out how to use it.
> I don't want to burden you guys down with a million questions, so can anyone
> a good starting resource? VoIP for dummies (LOL)? I need to learn about
> frame rates
> (do we cut the speech up into 30ms chunks, and send these chunks along?),
> and packeting--
> I've read that TCP/IP is insufficient (too bulky), so datagrams are better
> (UDP). I have built
> applications that exchange data using TCP/IP, but have no experience with
> UDP or idea how
> to use it (like I said a real newbie here). The DLLs that come with Speex
> lead me to believe
> that I can call into the library, passing the appropriate information. I
> develop in Smalltalk,
> so this will be no problem. I just need help with the first few steps....
> Thank you for your attention. Any help would be greatly appreciated....
> Julian Ford
> Speex-dev mailing list
> Speex-dev at xiph.org
Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Université de Sherbrooke
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