[LAU] Need MIDI keyboard for Zoom Class

david gnome at hawaii.rr.com
Wed Sep 23 05:43:36 CEST 2020

On 9/20/20 3:47 AM, Christopher Arndt wrote:
> Am 20.09.20 um 08:29 schrieb Jeanette C.:
>> You can make JACK and PulseAudio play together, which opens the field
>> wide. This is from the ArchWiki, but the methods work for other
>> Distributions too:
>> https://wiki.archlinux.org/index.php/PulseAudio/Examples#PulseAudio_through_JACK
> This section of the wiki page should really be updated. The first method
> listed there, of setting up the bridge between JACK and Pulseaudio, is
> IMHO not really the best.
> The author of Cadence itself does recommend not using it anymore and
> there is a stripped down replacement in the pipeline.

That's sad. I tried various ways to get JACK and PulseAudio to cooperate 
with each other, and was only able to get it set up using Cadence.

> As it is now, it executes a custom script to set up the JACK-Pulseaudio
> bridge, which bypasses the global and/or user configuration for the
> Pulseaudio modules "module-jack-sink" resp "module-jack-source". When it
> starts the pulseaudio daemon itself, it uses a custom configuration for
> it, which is different from them global or user one.
But my user audio setup is via Cadence. I don't have to set it anywhere 
else. And I have no interest in a global audio setup because I only use 
audio when logged in as myself.
> This may lead to confusion when trying to change the Pulseaudio
> configuration, because changes to the global or user configuration might
> or might not take effect when using Cadence to set up Pulseaudio.
> In short, I recommend the setup described in the section "The manual
> sink configuration method", which is really the least manual of all,
> because, once configured, you just start JACK (jackdbus) via your
> preferred method (jack_control, qjackctl, jack-select, etc.) and
> everything else happens automatically (i.e. Pulseaudio relinquishes
> access to the audio device and the Pulseaudio-JACK bridge is set up and
> it's ports are connected).
My preference is to set the audio device in JACK and make PulseAudio use 
JACK. (Another fight I had with Pulse was its absolute insistence on 
using my laptop's built-in audio instead of my USB sound card.)

David W. Jones
gnome at hawaii.rr.com
authenticity, honesty, community
"My password is the last 8 digits of π."

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