2013/12/11 Alexander E. Patrakov <patrakov at gmail.com>: > 2013/12/11 James Board <jpboard2 at yahoo.com>: >> I'm on a Linux PC and I'm playing a video file to my LCD TV through >> the HDMI cable. I can get the sound to play on the PC speakers, but >> I would like to play sound on the TV speakers (thru HDMI cable). Does >> anyone know how I can do that? I think this is an appropriate question for >> this mailing-list since all audio goes through pulseaudio, but if not, let >> me know. > > That's actually very easy. Just follow the steps below. > > 1. Ensure that you have an audio mixer that can change device > profiles. GNOME's default volume control application is good. KDE's > default mixer (KMix) does not allow changing the audio device profile > and thus is bad, but there is also KDE's control center where you can > configure sound. The xfce4-mixer application is just bad. So, if you > have KDE or XFCE, please install pavucontrol (it is GTK-based, but > does not pull any GNOME stuff) and use it instead of whatever comes by > default. It doesn't hurt on GNOME, too. So, below, I assume that you > have it. > > 2. Determine which sound card provides the HDMI audio output. To do > so, run pavucontrol and go to the Configuration tab. You will see one > or more audio cards there, with combo boxes that allow changing > profiles of each card. On some hardware, HDMI audio is a separate > device (this is the case for Haswell and for any discrete graphics > card), and in some cases it shares the same device with analog > outputs. I think that, by looking at available profiles for each card, > you will quickly find the one that offers the HDMI output. > > 3. Select the profile that has HDMI outputs. In some cases (e.g. more > than one HDMI output), there are several such profiles, and you will > have to guess which one to use. Take a note of its name and the name > of the device it belongs to. > > 4. Go to the Output tab and find the sink that mentions the correct > device and profile in its name. Select the correct port if this is not > already done. Press the green "set as fallback" button. > > 5. Should be done, but, if the player still plays on analog output, go > to the Playback tab of pavucontrol and select the correct sink for the > playsr's stream. > > Here is what it looks like on hardware where HDMI is a separate > device: http://imgur.com/a/6u73B Here is what it looks like in pavucontrol on hardware where the same card is responsible for both analog and HDMI outputs: http://imgur.com/a/3s5nE And here is what KDE control center thinks about the same hardware: http://imgur.com/mfi7fOm -- Alexander E. Patrakov
