I believe it's for each device, not each app. Note that you will have multiple devices on a given card, e.g. hdmi and analog. There are a lot of poorly written docs out there. John G Heim writes: > I found a vague howto on getting dmix to work but it says that if you use > dmix, you have to configure each sound app to use it. Is that right? It > seems more trouble than it is worth. > > Is this problem part of the kernel-space vs user-space problem? I would > settle for getting speech during start up. I can probably put something in > the X11 configuration to disable espeakup once the GUI starts up. But I am > wondering if there is a path forward on this. > > future. > > > > > On 11/19/18 3:21 PM, Samuel Thibault wrote: > > Hello, > > > > > On 19/11/2018 21:19, John G Heim wrote: > > > > What is the trick to getting speakup with software speech and orca to work at the same time. I have both debian stretch and ubuntu bionic systems and on both machines, I have to disable espeakup to get orca to work. > > > > Didier Spaier, le lun. 19 nov. 2018 21:59:28 +0100, a ecrit: > > > That's a long standing issue with Debian and derivatives' handling of audio cf. the Debian accessibility mailing list: > > > https://lists.debian.org/debian-accessibility/ > > > And especially the thread that begins with this message: > > > https://lists.debian.org/debian-accessibility/2018/10/msg00000.html > > > > > > I tried to help on that, to no avail. > > > > > > Workarounds that I know as of today: > > > 1) Remove pulseaudio and install the libspeakup-ng Debian package patched by Samuel: > > > https://lists.debian.org/debian-accessibility/2018/11/msg00065.html > > > Instructions: > > > https://people.debian.org/~sthibault/tmp/sid-tmp/libespeak-ng1_1.49.2+dfsg-7~0_amd64.deb > > > However, I don't know if theses packages can be used wuth stretch > > > > There is no need to install that package in Stretch. The issue that > > that package is fixing is due to the pause implementation meant to work > > around the very issue he is having. That pause implementation wasn't in > > Stretch, it's only in Buster. > > > > The pause implementation requires a Linux kernel change, so that won't > > be backported to Stretch unfortunately. > > > > > Caveat: I can't provide help to remove pulseaudio (which I generally do not recommend) > > > > In Stretch, there is no real choice: unless configuring dmix, having > > pulseaudio installed necessarily means conflicts between the espeakup > > daemon and Orca. > > > > In Buster, it's not a solution, since the version of firefox there > > requires pulseaudio. Thus the pause implementation in espeakup, to > > make it release the sound board for Orca to take it. Conversely, when > > switching off from the X session to the Linux console, we'd need to make > > Orca release the sound board. It actually happens already when switching > > to a Linux console where the user is not logged in, because pulseaudio > > releases the sound board in that case. > > > > Now, as you mentioned, Slint does not have the issue, because it uses > > the dmix plugin. Now, to repeat myself: > > > > - it would be useful to document how to configure dmix on the wiki > > https://wiki.debian.org/accessibility > > > > - enabling dmix by default in Debian could be an option, it "just" needs > > to be discussed with the alsa maintainers. If nobody takes the time to > > do this, we'll stay with the issue. > > > > Samuel > > > _______________________________________________ > Speakup mailing list > Speakup@xxxxxxxxxxxxxxxxx > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup -- Janina Sajka Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Accessible Platform Architectures http://www.w3.org/wai/apa _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
