Well, it took me some time – so I figured that I would write up the details; so that when I rebuild my HTPC or just in case anyone else is having the same issues!Firstly; I have MythTV 0.21 running on a Shuttle XPS SG33G5M with Ubuntu 8.10I have my TV connected by HDMI from the Shuttle – however never been able to get my audio through the HDMI, so always had to run a phono cable from the rear of the Shuttle to separate speakers.My devices were reported as:david@Rosy:~$ aplay -l**** List of PLAYBACK Hardware Devices ****card 0: Intel Subdevices: 0/1Subdevice #0: subdevice #0… and my outputs shown as … david@Rosy:~$ aplay -Ldefault:CARD=IntelHDA Intel, ALC888 AnalogDefault Audio Devicefront:CARD=Intel,DEV=0HDA Intel, ALC888 AnalogFront speakerssurround40:CARD=Intel,DEV=0HDA Intel, ALC888 Analog4.0 Surround output to Front and Rear speakerssurround41:CARD=Intel,DEV=0HDA Intel, ALC888 Analog4.1 Surround output to Front, Rear and Subwoofer speakerssurround50:CARD=Intel,DEV=0HDA Intel, ALC888 Analog5.0 Surround output to Front, Center and Rear speakerssurround51:CARD=Intel,DEV=0HDA Intel, ALC888 Analog5.1 Surround output to Front, Center, Rear and Subwoofer speakerssurround71:CARD=Intel,DEV=0HDA Intel, ALC888 Analog7.1 Surround output to Front, Center, Side, Rear and Woofer speakersiec958:CARD=Intel,DEV=0HDA Intel, ALC888 DigitalIEC958 (S/PDIF) Digital Audio OutputnullDiscard all samples (playback) or generate zero samples (capture)Firstly my version of ALSA was not the latest …david@Rosy:~$ cat /proc/asound/versionAdvanced Linux Sound Architecture Driver Version 1.0.17a.After failing to download and install the latest ALSA drivers from http://www.alsa-project.org/ I stubbled across a fantastic script which did it all for me. This Alsa 1.0.18 Installation Script (http://ubuntuforums.org/showthread.php?t=962695) automatically download, compiles, installs and configures ALSA 1.0.18a for you. God […]