[Ardour-Dev] option to Disable pop sound at Startup?

[Ben Simons]

Hi Paul,


Thx for your reply. Apologies. I thought the "On Land" gentoo

line was sufficient. Does the pop-sound depend on the platform?

Oh! Is the pop indicating an error?


Ardour5 runs on a couple of machines here,

all up-to-date gentoo linux, running


  ALSA <- JACK <- PULSE_AUDIO


Jack is started with qjackctl, which in turn starts pulseaudio

such that it feeds back into jack. Took a while to get right.

Seems to be okay (famous last words)  ;)


qjackqtl has post-startup commands to pactl load-module jack-sink. ie.


    pactl load-module module-jack-sink channels=22; \

    pactl load-module module-jack-source channels=22; \

    pacmd set-default-sink jack_out; pacmd set-default-source jack_in


The main system is connected by USB to an RME Fireface UFX (22chan)

It runs in USB CC Mode. http://forum.rme-audio.de/viewtopic.php?id=16845


Further RME details (lsusb and pactl) are attached in textfiles.



Another has an Asus Xonar DG PCI uses the CMI8786 chipset

and will be recognized by the kernel in the following way:

% lspci -v | grep -A7 -i audio

84:04.0 Multimedia audio controller: C-Media Electronics Inc CMI8788 [Oxygen HD Audio]
        Subsystem: ASUSTeK Computer Inc. Device 8521
        Flags: bus master, medium devsel, latency 64, IRQ 11 I/O ports at f000 [size=256]
        Capabilities: [c0] Power Management version 2

The kernel module snd-oxygen is used to control the card.



Both systems make a pop-sound when Ardour5 starts.


cheers,

ben.

________________________________
From: Paul Davis <paul at linuxaudiosystems.com>
Sent: Tuesday, 1 August 2017 11:23 PM
To: Ben Simons
Cc: ardour-dev mailing list
Subject: Re: [Ardour-Dev] option to Disable pop sound at Startup?

What platform are you on? Which audio/MIDI backend are you using (ALSA, JACK, CoreAudio, etc. etc.) ?

On Tue, Aug 1, 2017 at 2:51 AM, Ben Simons <Ben.Simons at uts.edu.au<mailto:Ben.Simons at uts.edu.au>> wrote:

Hi


Is there a way to disable the "pop" sound Ardour5 makes at startup?


On our large speaker system this comes out incredibly loud!

Everyone jumps. Everytime. Would love to turn it off.


Have looked through Prefs & settings & Googled it and cannot find

an option to disable it.


Ardour 5.9.0 "On Land" (rev 5.9-gentoo) Intel 64-bit


thanks,

ben.


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