From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Sailer Date: Thu, 04 Mar 1999 11:35:50 +0000 Subject: Re: Full Duplex (Play + Record simultaniously) Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sound@vger.kernel.org Georg Wendt wrote: > I wanna use a record-programm running in one shell and playback audio > started on another shell. > However, whenever one of the programs has started, it blocks the > dsp-device and the other application can't work. Depends on the soundcard and the driver. With some drivers this works. > Is there a way to avoid this effect? Yep - don't access the audio device directly, use an intermediate program. EsounD might provide what you need. > Another way: What about using two soundcards, one for playback, the > other for recording? Since I can decide the sound-device used by the > applications, this should work, shouldn't it? In this case you get plesiochronous sampling rates. If that is a problem depends on the application. Tom