----- Original Message ----- From: "Ed Wildgoose" <[EMAIL PROTECTED]> To: "Development of mythtv" <[email protected]> Sent: Wednesday, January 26, 2005 11:02 PM Subject: Re: [mythtv] [PATCH] MythPhone - prevent sending garbage video whenwebcam grabs smaller video than we want to send
> Jeremiah Morris wrote: > > > On 26 Jan 2005, at 10:13 AM, Malte B�hme wrote: > > > >> i am currently working on > >> konference again and would like to add a more flexible way of > >> handling audio > >> input/output. have you ever looked at kphone source? they have a more > >> flexible way of handling audio (alsa, oss, jack). > > > > > > Actually, so does Myth; in libmyth there's a set of audio output > > classes with drivers for Alsa, OSS, JACK and more. Ed Wildgoose > > revamped this API and converted mythmusic to use it; that's the right > > thing for mythphone to do, to gain extra flexibility at very little > > cost. Perhaps this code would work for your needs in konference, at > > least for the output part of the problem. > > > > I would be quite happy to recode it to allow input and output. > > Having synchronised in and out audio will be essential if we ever want > to support accoustic echo cancellation. I have been reading up on some > algorithms, it's quite complicated though and there is no algorithm > coded up (for free) that I can see. It's something of a special case of > the room correction stuff that I use in my hifi setup though. > Perhaps this will be of some help: http://www.isip.msstate.edu/projects/speech/software/legacy/fir_echo_canceller/ Regards, Rob. _______________________________________________ mythtv-dev mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
