Re: Sound Parameters on Net Installer? Need speech for accessibility
On Tue, Oct 10, 2017, at 10:32 AM, am_dxer@fastmail.fm wrote:
>
>
> On Wed, Oct 4, 2017, at 10:08 AM, Samuel Thibault wrote:
> > Hello,
> >
> > Dave Hunt, on mer. 04 oct. 2017 09:56:56 -0400, wrote:
> > > I am trying to get software speech to work on the Stretch net installer, on
> > > a machine having multiple sound output possibilities. When typing 's', and
> > > pressing enter, at the boot prompt/beep, I am expecting spoken prompts for
> > > the installer, but get silence, except for the beeping boot prompt.
> >
> > Normally the debian installer loops over all sound boards it finds, to
> > prompt the user for which one he wants to use. If that doesn't work it
> > means there is a problem with the driver of your board. It's no use
> > trying to force using a given device: it already does so for each board
> > which was discovered.
> >
> > So unfortunately it's most probably a bug in sound drivers, and more
> > information is needed to determine how to fix it, see
> > https://wiki.debian.org/accessibility#Debian_installer_accessibility
> > for the amixer commands to get output of, and the content of
> > /proc/asound/cards. Perhaps you can do so from some other image with
> > which sound does work, be it knoppix adriane or such.
> >
> > Samuel
> >
> I have found that for some reason the Debian sound board selector prompt
> does not work on some Broadwell machines. Dave has a Broadwell machine
> so I think this might be the problem. It seems to default to the HDMI
> output and not loop to the Intel HD Audio card connected to the internal
> speakers. I am not sure what is different, however, the sound board
> selector on the Arch Linux live cd works with these Broadwell machines.
> I copied the asound.conf generated by the Arch Linux sound board
> selector to a flash drive and used that to do my Debian install. I
> copied it to /etc and then restarted the espeakup process from one of
> the extra terminals available when the Debian installer was booted. I
> used a braille display for this task. It would be interesting to know
> what Arch is doing differently. I don't know a lot about Alsa but maybe
> someone with more knowledge in this area might have some ideas.
>
The script Arch Linux is using for picking cards can be found here.
Maybe someone who understands Alsa might be able to help with knowing
what this script and the one in Debian are doing differently.
https://notabug.org/TalkingArch/TalkingArch/src/master/configs/talking-inst/airootfs/usr/bin/pick-a-card
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