On Sat, Jan 09, 2010 at 02:30:35PM -0500, Michal Seta wrote: > Hi all, > > Happy new decade! > > Back on that WiFi jamming issue I wrote about a while ago. Thank you > all for the various suggestions. I have spent most of my time trying > to get somewhere with netjack as I found it the most promising, not > only in terms of efficiency but also scripting and control. However, > I have hit some brick walls which are certainly due to the nature of > WiFi networks (packet collisions and such) which make my setup very > unstable. > > First of all, in my setup, there will be one "server" computer > collecting 5 signals from the 5 musicians and playing them for the > audience. Moreover, the operator (or software) will send back 5 mono > signals to performers (one signal per performer). The idea is that > each performer hears only one instrument at a time. > > Currently the show stopper lies in alsa_in and alsa_out components. > Whenever I run both on my netbook (Atom 1.6G with Atheros > Communications Inc. AR5001 Wireless Network Adapter (802.11g)) they > consume around 70-80%CPU and they peak at around 50% each whenever > they choke on net over/underruns. They eventually segfault (and > sometimes bring the jack server down with them. This particularly > true whenever the WiFi signal signal strength is weak (around 50-60%). i have commit the change to the old deadline algo to svn. it seems to work. at least it seems to work fine with a netem loopback that looses 20% of its packets. -- torben Hohn _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
