[linux-audio-user] soundfonts and samplers

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thanx! this entire patching system is wicked! im using
qjackctl...

you could never expect to route midi and audio events
this way with standard win apps even with rewire...

this is awesome... 

other thing is that i bought the sb audigy just for
using it with the asio drivers,  but with jack you
dont need that right?  would a standart cheapo
soundcard work this way? with the same latency? (using
the planet ccrma stuff ) im asking this because one
friend of mine wants to buy a soundcard just to do the
same thing,  play with softsynths realtime (low
latency) from the midi keyboard... maybe a sb live
would do the job? 

thanx for the fast - straight-forward answer



 


--- Chris Cannam <cannam@xxxxxxxxxxxxxxxxxxxxx>
escribi?: 

> The generic answer to "how do I add effects to this
> JACK app that 
> doesn't immediately appear to support them?" is to
> use jack-rack, 
> which is a very nice standalone JACK effects rack,
> hosting LADSPA 
> plugins.  Run it up and then connect the output of
> your other JACK 
> app (Specimen in this case) into jack-rack using the
> qjackctl audio 
> connection manager.
> 
> (I can't remember offhand whether Specimen always
> outputs to JACK or 
> whether it also has direct ALSA output.  You will
> obviously need to 
> have it outputting to JACK and have jackd running
> [via qjackctl for 
> example] to do this.)
> 
> > how is the
> > audio routed from specimen back into the midi host
> > mixer (it displays audio in a channel called
> rec... )
> > but it has no slots for plug ins...
> 
> In this case the answer is that the audio is _not_
> routed back into 
> the midi host.  The only reason you see it on the
> Rec meter in 
> Rosegarden is because Rosegarden's record input is
> connected to the 
> soundcard capture channel, and that is receiving the
> same audio as is 
> being output to the speakers from Specimen.  Even if
> you could apply 
> effects at that point in Rosegarden, it wouldn't
> alter the sound you 
> actually hear while playing.
> 
> Note that this also implies that if you record the
> results straight 
> back into Rosegarden as it stands, you'll get some
> noise because 
> you'll be recording the mixed soundcard input, not
> the pure output 
> from Specimen or jack-rack (I think).  For a clean
> recording, you'd 
> have to use the same JACK connection manager to
> disconnect the 
> Rosegarden record input from the ALSA PCM in and
> reconnect it to the 
> output of Specimen or jack-rack or whatever.
> 
> 
> Chris
> 
>  

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