[ubuntu-studio-users] {SPAM 03.4} Re: Default sound settings

[Ralf Mardorf]

On Sat, 05 Nov 2016 00:11:04 +0000, David Sumbler wrote:
>On Fri, 2016-11-04 at 20:53 +0100, Ralf Mardorf wrote:
>> 
>>   
>> > On 04 Nov 2016, at 17:53, David Sumbler <david at aeolia.co.uk>
>> > wrote:  
>> 
>> -rw-r--r-- 1 root root 2507 Nov  3 15:42 alsa-base.conf
>> 
>> -rw-r--r-- 1 root root 2541 Nov  3 15:33 alsa-base.conf~
>> Run
>> 
>>   aplay - l
>> 
>> Is the wanted card hw: 1?
>> 
>> If so, move both files to /root
>> 
>>   sudo mv -i  /etc/modprobe.d/alsa-base.con* /root
>> 
>> and generate a new file, with no other content, but 'options snd
>> slots=snd_hda_intel'
>>   echo "options snd slots=snd_hda_intel" |  sudo
>> tee /etc/modprobe.d/alsa-base.conf
>> reboot and run
>>    aplay -l
>> the sound device now must be hw:0. If no sound server runs, neither
>> pulseaudio, nor jack and you didn't setup ALSA to some custom
>> setting, then it should be available for all apps using plain ALSA
>> and that usually try to connect with the default device. If an app
>> grabbed the device, no other app could access it at the same time. To
>> make it available for another app, you first need to close the app
>> using the sound device, before you open the other app.
>> If more than one app should use the device at the same time, you need
>> to use a sound server or dmix.
>> Regards,
>> Ralf  
>
>Thank your for all your help, although so far I haven't got any
>positive result.
>
>I did all of the above - replacing /etc/modprobe.d/alsa-base.conf with
>the single line and then rebooting.
>
>Yet when I enter 'aplay -l' I still get:
>
>**** List of PLAYBACK Hardware Devices ****
>card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>card 1: Generic [HD-Audio Generic], device 0: ALC3227 Analog [ALC3227
>Analog] Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
>which is exactly the same output as I had before.  As I understand it,
>this means that the required sound card is hw:1,0.
>
>As well as booting into Ubuntu with low latency, I also tried rebooting
>and choosing the grub menu option with normal latency, to see if this
>made any difference, but it didn't.

Do card 0 and 1 require the same driver? Are you using HDMI? If not, you
could disable it by the BIOS settings.