> Hi,
> I'm having trouble setting up Jack to interface between my digital piano
> application (pianoteq) and the ecasound audio processing app. I'm using
> ecasound with Ladspa plugins to create a crossover network. Ecasound
> splits the 2 pianoteq channels into six (woofer, mid & tweeter), and sends
> them to my analog outputs through alsa. I have it working, with jack &
> qjackctl, but the buffer size that jack is presenting to the digital piano
> app is 1024, about 10x bigger than I want. I would like pianoteq and
> ecasound to run synchronously with minimal latency. At first I thought I
> could just call jackd -d ecasound -p 128, but of course ecasound is not
> one of jack's supported backends. So I've been using the "dummy" backend,
> and using qjackctl to connect ports from pianoteq to ecasound. That works
> fine, but I can't manage to configure the buffer size down to 128, even
> though I start up ecasound with -i jack -b:128, and I also go to setup in
> qjackctl and specify buffer size 128 for "dummy". When qjackctl brings up
> the jack server, the buffer size gets overridden to 1024; I see the message
> in the log. What am I doing wrong? Is Jack the wrong approach, when it is
> ecasound, not jack, that writes to alsa?
> Thanks very much!
> John
> Msi mb with i5 3ghz, AVS Linux
>
>
>
> --
Sent from Gmail Mobile
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
Received on Tue Jan 17 12:15:02 2017
This archive was generated by hypermail 2.1.8 : Tue Jan 17 2017 - 12:15:02 EET