[linux-audio-user] Designing system for 'virtual' whole house audiosystem that deals with all kinds of audio sources ?

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On Fri, Jan 06, 2006 at 08:48:51AM +0100, Robert Rozman wrote:
> Hi,
> 
> I'm designing integrated home automation/entertainment system based on Linux
> and other open source apps. I have several possible sound sources (like
> Festival as speech synthesis, music players, VOIP or
> ordinary telephony applications, intercom) and several sound destinations
> (rooms in my house - can be either remote desktop running some network audio
> client or separate output on multichannel local audio card). Now I'd like 
> to implement
> 'virtual' audio router/mixer in software that can be dynamically controlled
> from other program language (Perl is preffered in my case). I'd need to
> combine several audio sources to each sound destination (like big software
> switching/mixing/routing black box), dynamically change volumes, add/remove
> chains etc...
> 
> I'd like to deal with all this with Ecasound (it can be controlled from
> Perl) - or should I use some other program ? I'm thinking of using 
> Alsaplayers as
> music/wav players (they have software volume control) , Jack (as sound
> servers) and Ecasound (for routing, mixing) ....
> 
> 
> Some possible scenarions:
> - when internet voice call comes in, then I connect to certain channel on
> audio card for
> certain room (route two way audio stream that comes from Internet to certain
> audio destination/source)
> - when watching TV (sound going to some audio card output), speech synthesis
> would like to announce something (I'd like to volume down TV audio and mix
> speech, and then go with TV volume to normal level)
> - from one room I'd like to talk to another...

well netjack or some other jack net transport should be interesting for
you. but netjack can not YET do what you need...
but its only a matter of months....


-- 
torben Hohn
http://galan.sourceforge.net -- The graphical Audio language

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