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Thread: No Sound via HDMI

  1. #1
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    No Sound via HDMI

    Ubuntu 10.04 LTS installed 6/3/2010 on Zotac H55ITX w/i3 530. DVI -> VGA & analog stereo sound & video OK but NO sound w/HDMI (into Samsung UN40C7000WF)

    I've upgraded when prompted by Upgrade Manager.

    aplaly -l:
    **** List of PLAYBACK Hardware Devices ****
    card 0: Intel [HDA Intel], device 0: ALC888 Analog [ALC888 Analog]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 1: ALC888 Digital [ALC888 Digital]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 3: INTEL HDMI [INTEL HDMI]
    Subdevices: 0/1
    Subdevice #0: subdevice #0

    I've added my username to /etc/group so that grep 'audio' /etc/goup returns
    audio:x:29:pulse, jadcock

    alsamixer (v1.0.22) has no muted paths, and reports: Card: HDA Intel; Chip: Intel G45 DEVIBX

    I've tried all sorts of combinations with the 'Sound Preferences' dialog as well as 'Multimedia Systems Selector' without any luck

    Thank you all in advance for any help/comments,

    JA

  2. #2
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    Re: No Sound via HDMI

    Just ran AlsaUpgrade-1.0.23-2 ... all OK per soundcheck's post, all completed OK,

    but:

    on reboot: 17.289992 Kernel Panic - not syncing: No init found. etc, etc.

    are you guys working for Bill Gates?

  3. #3
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    Re: No Sound via HDMI

    Well, another reboot, and guess what? ZZTop!!! I'm stoked!

    the AlsaUpdate script solved the problem! (temporarily?)

    we'll see

    thanks for the knowledge base!

    JA

  4. #4
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    Re: No Sound via HDMI

    Update:

    HDMI audiio is working. Rhythmbox Audio OK, systems sounds OK, but no audio from Firefox (Youtube, Pandora, etc)

    Thanks in advance for any comments or suggestions,

    JA

  5. #5
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  6. #6
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    Re: No Sound via HDMI

    Thanks lidex for your reply!

    Looking at the three posts you referenced, it seemed to me that perhaps flash is not interacting properly with the ALSA API, so I decided to create (gsku gedit /etc/asound.conf) an /etc/asound.conf file with the code:

    pcm.pulse { type pulse }
    ctl.pulse { type pulse }
    pcm.!default { type pulse }
    ctl.!default { type pulse }

    (reply window doesn't like tabs) (no semicolons?)

    save, quit, verify file exists in /etc/, look at it OK, reboot and ... ... and ...

    no sound at all. no more system sounds, no more rhythmbox, and a red x next to my sound preferences dialog icon in the topscreen toolbar.

    so i guess i'll remove the file

    interestingly enough, my aplay -l command results have changed, since the ALSA .23 upgrade i think, to include a card 0 device 7 INTEL HDMI 1 [INEL HDMI 1] listing:

    jadcock@HTPC:~$ aplay -l
    **** List of PLAYBACK Hardware Devices ****
    card 0: Intel [HDA Intel], device 0: ALC888 Analog [ALC888 Analog]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 1: ALC888 Digital [ALC888 Digital]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 3: INTEL HDMI 0 [INTEL HDMI 0]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 7: INTEL HDMI 1 [INTEL HDMI 1]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    jadcock@HTPC:~$ ^C

    is there a sudo command to delete the file from /etc/ ?

    I'll be keepin' on

    Thanks again

    JA

  7. #7
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    Re: No Sound via HDMI

    Removed /etc/asound.conf (sudo rm /etc/asound.conf), verified gone, rebooted, no sound at all. rebooted again, no sound at all.

    Back at square one.

    Still have the red x adjacent to sound preferences icon.

    Apparently running the asound.conf file had a (semi?) permanent affect. Where would this affect live? how can i correct it?

    As before, suggestions or comments are more than welcome.

    JA.

  8. #8
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    Re: No Sound via HDMI

    DVI -> VGA & analog sound: no sound. So I have killed the analog sound that was working all along!

    four lines of code in a configuration file that no longer exists!

    reinstall the OS?

    Help!

  9. #9
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    Re: No Sound via HDMI

    You should be able to click on volume icon and select 'unmute'

  10. #10
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    Re: No Sound via HDMI

    right you are lidex!

    so at this point I have system sounds and rhythmbox back when using HDMI input. but no flash thru firefox.

    On the otherhand, when using good old VGA & analog audio I have no system sounds, no rhythmbox, yet flash audio works via firefox.

    whew!

    thanks for your interest! I certainly appreciate it lidex!

    My goal, however, is HDMI video and sound, is it possible?

    as always, thanks in advance for all comments and suggestions.

    JA

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