Ubuntu Multimedia :: How To Completely Reinstall All Audio Systems

Jan 30, 2011

After two years worth of trying to get HDMI audio working on, what should be, a MythTV box I am now fed up to the teeth with it. Utterly, completely sick and dissilusioned with Ubuntu & HDMI. Firstly there is no problem with the hardware as I managed to get HDMI audio working using the original install of 9.04. However the sata DVD drive didn't work. So I waited until 10.04 and upgraded after which the DVD drive worked but HDMI audio didn't. So after a couple of months worth of trying everything I could find in forums etc. I gave up and waited for 10.10.

Months later and after installing 10.10 not only does HDMI audio not work but the soundcard details shown in "gnome-volume-control" now only lists a single analogue device whereas running from a 10.10 live CD I get a comprehensive list of available devices including entries SPDIF and HDMI. It's therefore obvious that something I've done in the huge list of things that I've changed has screwed up the audio configuration. And despite having reams of notes I'm in no position to find out exactly what as a) I'm not an expert in Linux audio (nor do I want to be) and b) there have simply been too many changes for me to keep track of.

how can I completely remove *ALL* traces of the current audio system and reinstall *EVERYTHING* related to audio using the latest versions ? I want to completely obliterate the current audio installation (including all configuration files, kernel headers, drivers, alsa, the wretched pulse audio etc. etc.) and start from scratch. I have already been through every sinlge HDMI related forum post and have tried everything so please don't suggest "make sure HDMI audio is unmuted in alsa-mixer" etc. as I've been there, tried that and am bored with it all. I want to completely nuke the audio system from orbit and start again. At this point I should say that I've already tried the following which didn't make any difference:

sudo rm /etc/asound.conf
rm ~/.*
sudo apt-get --purge remove linux-sound-base alsa-base alsa-utils
sudo apt-get install linux-sound-base alsa-base alsa-utils

And to prove that the device is there here's the output from "aplay":

aplay -l
**** List of PLAYBACK Hardware Devices ****
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.

[code]....

Or should I just give up and install Windows media centre ? Having preformed a trial installation of Windows on a seperate disc everything "just works" with perfect HDMI audio, perfect picture, DVB card working perfectly, DVDs Playing etc. etc.

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[code]....

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root (hd0,6)
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[Code]...

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Code:

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Currently my wife is using this laptop with KDE-4.4.4 (and openSUSE-11.1) so I can't just install Gnome and play with it without taking the laptop away from her for a while (note the hard drive is too small for a dual boot of KDE/Gnome).

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