On Fri, Jun 6, 2008 at 10:24 AM, Thomas Plotkowiak <plotti at gmx.net> wrote: > I am having the crazy idea, to create a 3D Environment where the distance of > the players defines their quality of their communication. > So I heard that speex supports vbr and abr. Is it possible to adjust the > bitrate of the codec in realtime? That would be awsome. > We're working on that. But just fyi, http://www.sf.net/projects/voipforvw is also trying to do 3D audio with pjsip so perhaps you can collaborate somehow. > So far I implemented this idea by creating zones that use different codecs, > so one zone that is near and uses speex 32kHz, one in the middle with 16kHz > and one for people who are far away that uses 8kHz. Depending on your > distance pjsip renegotiates your audiocodec. It works fine, but i thought > this vbr and abr function of speex would be even cooler. > Are you sure bitrate setting is the way to go to accomplish 3D effect? Normally people use the gain level to simulate distance and the left-right balance to simulate 3D. Cheers Benny
