linuxaudio.org

On Tue, 2011-06-14 at 02:11 -0500, Aaron Krister Johnson wrote:

quoted text
> Hey all,

>

>

> So the continuing saga is this: still no luck getting Pianoteq with

> JACK to equal or spank with superiority the performance of PianoTeq

> w/ALSA alone on my system.....

>

>

> I found the following information: the info from the /proc/asound

> output that Paul asked me to check out confirmed that at comparable

> settings, JACK choked where ALSA smoked. I had ALSA down to a period

> of 64 and 3 periods/buffer (hardware bufsize of 192) at a sample rate

> of 48000. The same setting of jackd ('jackd -dalsa -dhw:0,0 -r48000

> -p64 -n3 -S') didn't agree with Pianoteq....

>

>

> So...here's my dilemma. I have a live show coming up where I'd prefer

> to use the superior harpsichord sound of Pianoteq, but I don't want to

> risk a lock-up or xruns or worse in a live concert. So I would have to

> use ALSA...BUT....I also need to switch to playing a live kalimba

> through some Csound effects right after playing a harpsichord, and

> Pianoteq under ALSA will not stand for another app opening and sharing

> the soundcard like JACK will allow (ALSA will block I/O).

>

>

> So what can I do?

You won't use a non-tailor-made non-super-computer for

- recording an orchestra, when you need to pay the studio hall, the

recording van, the orchestra, the catering etc.

- even when you do an amateur live performance
A complete studio in the box could cost less than 1000,- EUR. What do

you think, why people still buy stand-alone-devices that provide just

e.g. some piano instruments for much more than 1000,- EUR?
If Pianoteq is the only problematic thing on your machine, regarding to

a live performance, than you've got good luck.
Sorry, no help, but try to see it that way, you should be lucky to have

such a reliable machine.
2 Cents,
Ralf
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