Satellite A660 - No more sound through HDMI

My Laptop is a Satellite A660 with Nvidia GeForce 330M.
I frequently watch movies on my Philips Flat TV using HDMI cable and VLC software.
In a short past, I had both sound and image at the top of HD Quality.
For a couple of weeks I've lost all sound and get only image.
I haven't done something special, all my drivers are the latest possible, and the TV is well recognize in the sound panel.
Could you help me?
Thanks for your help.

When you want to watch movies on the TV check please sound properties > playback devices and be sure HDMI is enabled (green circle with check mark).
Can you hear the sound on TV when HDMI output is enabled?

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I have found out the solution to get HDMI sound to the TV
1. Right click volume icon on taskbar
2. Select playback devices
3. Right Click on SPDIF Interface and select Default Communications Device.
4. Connect HDMI from TV to Laptop
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When HDMI is disconnected the HDMI device is shown as disabled in playback devices whereas previously this device wasn''t shown at all.

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Sound through HDMI does not work on eeebox eb1501p

So, as the topic states I can't get sound to work through HDMI.
aplay -l says:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
When trying to play a wav file:
aplay -D plughw:1,3 /usr/share/sounds/alsa/Front_Center.wav
Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
No errors, but no sound either, and this is true on all nvidia devices listed in aplay -l.
So what do I do next?
EDIT: The channels are all unmuted in alsamixer.
Last edited by jarrett (2011-12-17 23:20:26)

On my laptop, I have to add "options snd-hda-intel probe_mask=0xffff,0xff2" to a modprobe.d conf file. You can try that.
sudo su
echo "options snd-hda-intel probe_mask=0xffff,0xff2" >> /etc/modprobe.d/sound.conf
exit
After that, restart and hopefully it will work.
Last edited by vbim0nk (2011-12-17 14:52:20)

No sound through HDMI in Radeon 6870

Hello People from Arch Community
I have a small problem getting sound out of the HDMI of my video card.
When I do
lspci | grep AMD
I get:
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Barts XT [ATI Radeon HD 6800 Series]
01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Barts HDMI Audio [Radeon HD 6800 Series]
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aplay -l
I get:
**** List of PLAYBACK Hardware Devices ****
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Could someone help me please?
Extra info: it is not hardware related, sound works fine in windows
I am not a total beginner, I know my way in the CLI but still I lack a lot of knowledge.
Another tip, around the same time, my framebuffer decoration and splash(fbcondecor, fbsplah) stopped working, I don't know if it is related.

You may find this article >Here< to be of interest. I don't know much about Radeon audio but for your 6870 that may seem to be of relevance.
Are you using the open-source driver or the proprietary with an older X.org? With the above article, the open-source audio seems to be slated for kernel 3.5.
Last edited by headkase (2012-06-20 06:48:23)

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https://discussions.apple.com/message/15721430#15721430

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Krusdublin: I am experiencing similar issues with no real solution yet:
I have a Mac Mini 2010 connected to a Sony Bravia HD TV via an HDMI cable
sound output via TV speakers was not working when I first connected the two (about 4 mos ago)
couldn't figure it out- and just used an headphone cable to connect the mac mini to a stereo
somewhere between then and a month ago I disconnected all incl. power, and reconnected as I had to re-setup my tv (all reconnected in the same outlets via HDMI) (also got rid of the stereo at this point)
then about a month ago I was back in the Sound preferences and found that I was able to get audio output via the TV speakers.
about a week or so ago I disconnected all incl. power, and reconnected as I had to re-setup my tv (all reconnected in the same outlets via HDMI)
however, about 3 days ago, sound output via TV was no longer an option
when I say it is not an option, I have two lines under name and types as follows:
"Internal Speakers" > "Built-In Output"
"SONY TV" > "HDMI"
when I switch from internal speakers to HDMI, I notice that the sound volume bar at the bottom of the screen goes faint, and I can't adjust the volume using the sound keys on my keyboard (bluetooth)
the speaker icon in the top right of the screen is also greyed-out and not changeable...
I notice that when I switch input on my TV aerial to the MacMini (HDMI 1) I get a little yellow triangle with exclamation mark in it, and the text: "AUDIO only" at the bottom right of the tv screen. (In not sure if I had this before or not - dont completely remember seeing it, but vaguely do...)
I've also updated my macmini whenever an update is released (within a few days)...
I've spoken with an Apple tech over the phone and went through a number of reboot (while holding down certain keys, etc.) to no avail. She then recommended that I go into the Apple store and have the mini checked out....
At the apple store, the apple tech took the machine to the back, out of sight, and returned about 20 mins later to say that it was working fine. I asked to have it hooked up to one on display - so I could see for myself. We hooked it up to an HDTV via HDMI and booted up. Went to System Preferences > Sound and selected: "Panasonic TV" as the output device. I still could not adjust the volume bar (it went greyed out) - but I could crank up the tv volume directly and get sound. Great! Sort of... While now I could get sound - it was not the same as before where I could control the sound through the mac - only directly through the TV. The Apple guy said that he didn't know what I was talking about - and said that they way the machine was now working was the proper way. He unhooked my mac mini, and gave it to me, and walked away.
Frustrated, I walked down to the Sony Store to try out the mac mini there. Same result as in the Apple store. I could control sound directly via the TV, but not through the mac mini controls.
Took the mac mini home, reconnected everything and now get sound through the TV - but I cant control it with the mac mini on-screen controls, nor the volume buttons on the mac blue tooth keyboard.
Today, I was watching a movie via itunes, hit pause, and went to do something for a few minutes. When I returned, the TV indicated 'no signal' via the HDMI (I assume because the mini went to sleep.) Tried to wake the mini - but couldn't. Had to resort to pressing the button at the back. When the mini came back, I had no sound at all coming through the TV speakers, even though the sound preferences settings were still the same. I had to resort to shutting down the mac mini, and then unplugging the power on the mini for a few minutes. Powering back up, sound was again able to comefromt eh mac through the TV speakers - but still could not control sound using the mac mini controls.......
Thats where Im at so far....
Aarrgh.
THOUGHTS?
Thanks in advance,
MAJM

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http://store.apple.com/us/product/HA824ZM/A/belkin-mini-displayport-to-hdmi-adap ter?fnode=51&fs=s%3DalphaAZ
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I dont know your LCD TV specifications but fact is that external resolution depends on three options:
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Hi!
I can not get sound trough HDMI. Only speakers exist as an alternative in sound devices. How can I correct this?
The computer is a Satellite L775D-10E. Of cause have i tried different cables and tv:s as well as a projektor. The problem is that I do not have HDMI ouput as an alternative.

> The problem is that I do not have HDMI ouput as an alternative.
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If you don't already have a current backup, back up all data, then reinstall the OS. You don't need to erase the startup volume, and you won't need your backup unless something goes wrong. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
If you installed the Java runtime distributed by Apple and still need it, you'll have to reinstall it.

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All the new Mac models released in the past 12 months are supposed to be able to output multichannel audio through an HDMI connector. I have recently purchased a new MiniMac with an HDMI connector and was really looking forward to playing multichannel sound through one of my two Onkyo home theatre amplifiers. Unfortunately, it doesn't work. For one of the amplifiers (Onkyo TR SX576), the Audio Midi Setup application found an 8-channel device and named it TR SX576, but I was unable to get any sound played through the system.
For the other one, a slightly older model (TR SX506), which has a Samsung LCD attached, the Audio Midi Setup just reports HMDI (0in/2out) with "SAMSUNG" as the name. I can't output via the amplifier... it seems to just pass the audio though.
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Hi levelg
levelg wrote:
Great. The only problem is that when I define 8channel sound, the amplifier doesn't do any surround sound processing, and so virtually everything that I can play on the Mac only comes out of two speakers . To get surround sound effects (Pro Dolby etc), I have to revert to 2ch-24bit and allow the amp to do the surround effects.
This reminds me of another question. Why on earth can't the Mac's Audio allow you to add surround sound processing directly?
I think the answer to your question is that using the HDMI would require the Mac to have an AC3 codec, which would take up to 6 channels of audio and then compress them into a Pro Dolby data stream which your amp could then decode. (This is actually the reverse of the "AC3 Codecs" that you might find available for download on the web). I believe that this software component would require a separate licence fee, and also might not work sufficiently fast in real time to avoid lip sync problems. It could also result in severe quality degradation in certain channels due to the amount of compression. You can't squeeze 6 channels into 2 and then back again without losing some quality along the way.
The result of this is that HDMI and TOSLINK connections from the Mac can play prerecorded surround sound from a DVD, etc, since this can be passed to the external decoder unchanged, but can't play audio generated on the fly by applications. (At least, that's what I've found - someone else might know differently)
I know from personal experience that it IS possible to buy an external USB 5.1 sound card to connect to a 5.1 audio system, and this will enable on the fly audio generation from applications. The same setup will also play surround sound DVDs, provided you use the alternative VLC DVD player.
All in all, the whole area of surround sound on Macs is extremely confusing! I'm worried that many users either buy the wrong equipment, or they buy the right equipment but then can't figure out the correct way to configure it. Such users inevitably end up frustrated and disappointed.
Bob

Satellite A660 - No more sound through HDMI

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