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Thread: HDMI sound

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  1. #1
    Join Date
    May 2006
    Beans
    31

    HDMI sound

    hello!

    I have my LCD TV connected to my pc with HDMI cable. The problem is there is no sound from TV speakers.

    OS: Ubuntu 6.06 LTS
    kernel: 2.6.15-27-686
    nvidia card: GeForce 6200
    nvidia driver version: 169.12 (latest)
    sound card: SoundBlaster Live!
    alsa versions:
    - alsa-base 1.0.10-4ubuntu4
    - alsa-oss 1.0.10-1
    - alsa-utils 1.0.10-1ubuntu14

    Sound is working perfectly on the pc.

    My question is, does latest ALSA drivers supports sound over HDMI cable?

    thank you

  2. #2
    Join Date
    Mar 2008
    Location
    Bristol
    Beans
    165
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Post Re: HDMI sound

    Quote Originally Posted by anzevi View Post
    hello!

    I have my LCD TV connected to my pc with HDMI cable. The problem is there is no sound from TV speakers.

    OS: Ubuntu 6.06 LTS
    kernel: 2.6.15-27-686
    nvidia card: GeForce 6200
    nvidia driver version: 169.12 (latest)
    sound card: SoundBlaster Live!
    alsa versions:
    - alsa-base 1.0.10-4ubuntu4
    - alsa-oss 1.0.10-1
    - alsa-utils 1.0.10-1ubuntu14

    Sound is working perfectly on the pc.

    My question is, does latest ALSA drivers supports sound over HDMI cable?

    thank you
    HDMI audio is still in it's early days (yes, I want it as well! ).
    There are a lot of complications:
    First, does your hardware support audio over HDMI?
    Second, does ALSA - there is support for some systems from 1.0.14 onwards
    Third - with HDMI audio there are two parts: the audio device and the routing. In my case the audio is a Realtek ALC883 and, as it's on the motherboard, the routing is part of that ATI SB600 south bridge.
    Given all this, I managed to get it all working after setting the default sound output and unmuting it.
    Next problem....
    I bought a nice shiny AV receiver (Onkyo TX-SR606) and the audio stopped working. It seems ATI's HDMI audio implementation isn't very good because the audio device doesn't work under windows either.
    All in all, early days and for the AV receiver I use HDMI video plus optical audio.
    Hope this is of some help.
    Growing old is compulsory, growing up isn't

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