hi -- i understand that sometimes channels are mislabeled, and that pcm2 sometimes means "headphones", or "main", but assuming that that's not the case, does the presence of a pcm2 channel imply that one could play two digital sources at once (e.g., two wav files) and have them mixed by the hardware?
if so, what devices would one use? i run a whole-house audio system. i have both music (duh. :-) and also a home-automation menuing system. currently, i run a nas server on top of the audio device, because it's capable of mixing inputs from various clients. i use a NAS-enabled mpg123 to play the music, and i use auplay to send the festival-generated voice data. so my music can keep playing while i check my voicemail, for instance. i'd like to eliminate the nas server (just to make things simpler) but i know of no other easy way to do pcm signal mixing. (i'd also be happy with having one input override the other input -- i.e., the voice response menu system would have priority over music.) paul =--------------------- paul fox, [EMAIL PROTECTED] (arlington, ma, where it's 31.8 degrees) ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user