No audio thru HDMI cable post-upgrade to 10.8.5

Used App Store yesterday to update OS X, Mtn Lion to 10.8.5 on my 2012 MBP. Since then I cannot get audio to play on my TV connected via HDMI cable thru the Thunderbolt/mini display port. It worked fine under 10.8.4. Have tried it on two different TVs, both relatively new w/o success. Checked Sound panel of System Extensions, of course. Using latest VLC update to play .mp4 and .avi files, and Firefox for USTVnow.com programming. (I live in México.) Any suggestions?

You sir, are awesome! I've just ran Repair Permissions on my machine and my audio seems to be working better now too. I've just been able to put my Mac Mini to sleep and when I've then woken it up, the audio would play as normally. Prior to this, when I was waking it up, the Audio wouldn't play. Thank you very much for the suggestion. Fingers crossed it continues to work!

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No audio with HDMI cable connect - need optical cable?

I have just connected my AppleTV 2 with my Pioneer ELITE 910 HD Plasma TV system. I have a hard wire ether net connected. I have a great picture coming out of the HDMI connection from AppleTV plugged into my ELITE 910 HDMI Media Receiver. But I am not hearing audio. I have gone through the 'settings' menu on the AppleTV screen and have every setting correct (I believe) It might appear that I may have to purchase an Optical Digital Audio Cable that would input into my Pioneer ELITE VSX-54TX receiver (that does have an Optical Digital Input that has not been used.)
Am I on the right track? I was hoping the video AND audio would travel through the HDMI connection. I don't want to spend money on the cable if I don't need it.

Re: No audio with HDMI cable connect - need optical cable?
Yes, audio and video should go via HDMI.
Do other peripherals work ok with the pioneer over HDMI.
My LG BlueRay player works fine. My TIVO works fine -- good audio and video
AppleTV is a bit odd with audio at times.
Does the pioneer media box handle doilby digital and linear PCM?
I don't know what "linear PCM" is. All the specs on this 2004 system are here:
http://plasmatvbuyingguide.com/plasmatv/pioneer-pro910hd.html
If you have Dolby Digital set to Auto I'd expect you to get some audio - if set to On and media box can't decode DD then you may get no sound.
Try cycling those settings as well as the one for audoo bit depth.
Have done all this. Still no audio

No sound through HDMI cable after upgrading to Lion

After upgrading to lion I can not get any sound through my hdmi cable connected to the TV. It did work before. There is no optional source to choose under "Sound" - only internal speakers. How can that be? Any suggestions what to do?

You arent the only one.
I guess that is a thunderbolt bug and needs to be fixed by apple.
https://discussions.apple.com/message/15721430#15721430

IPad 2 is not sending DD 5.1 Audio through HDMI cable

Hi,
I have an iPad 2 connected through Apple 30-pin Digital AV Adapter HDMI cable and I am not getting Dolby Digital 5.1 audio in my AVR while watching iTunes Festival 2014.
Is there any workaround for this?
Using Apple TV 3rd generation I get Dolby Digital 5.1 audio in my AVR.
iTunes Festival 2014 is all about music and I can't get DD 5.1??

You're right. There's such an option like this while playing iTunes Festival but no audio settings available for this.
I tried a movie and the movie did stream Dolby Digital 5.1 audio to my AVR, so there's no connectivity issues or capabilities there. But, Dobly Digital 5.1 is not available for iTunes Festival played from iPad 2!! so annoying because it's available from Apple TV. :S

Audio Driver Update, Will not play audio via HDMI cable now...

I just did a driver update for the realtek audio on my Y70 touch. When I plug the HDMI cable into the receiver (TV & speakers), it will still transfer the image to the TV and reformat the screen, but now the audio will not play unless I make the room speakers the default audio instead of the laptop speakers... That is just a real PITA to keep switching the default every time I wanted to do something on the big screen with my computer. Any advice on how to fix that? Preferably without rolling back the driver that was 130MB+ of a download & install that required to restarts to apply. Thanks, Joe

I haven't had mine long but I always have to do that with my tower system. (switch playback device for sound). I played a movie on the Z70 last night and go audio without doing anything (so it is different) but the sound level was low even though I checked the outputs were set to 100% HDMI audio required I turn up the sound at the TV end a lot to hear it. I figure I am missing something but did not want to spend the time troubleshoot, rather tha watch the Netfix movie.

No audio through HDMI cable when listening to audio tracks but ok with vids

Please Help!!
Ok I hooked up my HP to my Samsung 1080p hdtv through an HDMI cable. My computer displays fine on the TV, the visualizer in ITunes shows just fine, but the audio only comes out of the speakers on my laptop when playing a regular music track. When it plays one of the bonus music videos on the same album, audio and video both play. When I play the songs in any other interface, ie windows media player and HP quick play, audio tracks play fine through HDMI. So this has to be something with ITunes. Anyone know what the problem is?
Thanks!

Wouldn't you know it, just figured it out. You have to make sure that itunes is not loaded before hooking up the HDMI cable. So,
turn off itunes,
hook up the HDMI cable,
(go to sound [control panel] and make sure that HDMI has the checkmark next to it),
load itunes,
enjoy.

I have a mac mini will it play audio thru hdmi

I just bought a high end receiver with HDMI inputs. I use my mini as a media server will the HDMI on my mini produce sound?

Yes, the 2010 Mac Mini supports Audio thru the HDMI Port.
See the Audio spec's, at > Mac mini (Mid 2010) - Technical Specifications

Digital audio via HDMI cable

i would like to know if its possible to get dolby digital 5.1 sound from and 3rd gen apple-tv when i'm using an HDMI cable.
The HDMI cable should transport video and digital 5.1 sound...
is this possible?

are you 100% sure?
the apple homepage leaves no word on this issue?
thank so much

No audio via HDMI cable

I have a HP G60-440US laptop and a Sony KDL-40EX40B HDTV and I get no audio from my tv just the picture via hdmi.

Hi richie201 and kitty58992,
Thank you for your post and welcome to the HP forum richie201. I will do my utmost to assist you!
I understand you are experiencing an issue with the audio and the HDMI setup. I am providing some documentation I think may help. Connecting a Monitor, Projector or TV (Windows 8),
Troubleshooting Audio Problems with External Speakers, Headphones, and HDMI Sound Devices. and
Troubleshooting Sound Issues with HDMI. If you have any other questions or concerns, or would like further assistance, please feel free to re-post.
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Audio device keeps vanishing, post Upgrade...

Upgrading from 10.4, to 10.5 seems to have been a pretty straightforward path - aside from the audio device. Sometime you book up OSX and I have audio, othertimes not. Doesn't seem to be a pattern, although it's common on the first boot (from cold) to not have audio.
System Preferences reports no audio input or output devices, but System Profiler reports the onboard audio (Texas Instruments TAS3004).
I found another post on a similar subject (http://discussions.apple.com/thread.jspa?threadID=1202479&tstart=165) but resetting the PRAM didn't appear to improve or impair the problem.
Any ideas or suggestions please?
Cheers Rich.

I have the same chipset, but my audio was cutting in and out in a very annoying manner. Zapping the PRAM did not help me either.
I decided, based on your post, to check my Audio Output settings, and noticed that my iSub did not show up. Well, at one point it did pop up for a second.
I realized that I broken my own "Rules for Upgrading" that notes "Always unplug all unnecessary external devices before upgrading." I disconnected the iSub, as well as my Radio Shark, and the problem went away. When I reconnected the iSub I lost audio again. This time disconnecting would not bring it back, and I had to perform a Restart. Audio has been working fine every since.

Audio to hdmi after W 8.1 update

After fixing audio in windows on my laptop with your solution (thanks so much!)....I still had no audio to hdmi cable and tv display. Playback devices showed only Speakers/HP in listing. I tried adding a second display device to no avail. At one point I had Speakers/HP highlighted and showing as default, when i inadvertently right clicked on it and a menu popped up.
I t had an option to show all disabled devices , so i clicked it and Ouila! My samsung tv showed on the list as disabled. I enabled it and it set as default. Tested fine! Now my question is: Can laptop audio operate independently and at the same time as the second display audio? Just hoping my mom and I can each have our cake and eat it too.
Thanks again for your help.
Val May

Hi, @valmay
I noticed that you posted here: http://h30434.www3.hp.com/t5/Notebook-PC-Sound-and-Audio/the-hdmi-on-my-envy-touchsmart-plays-pictur...
Do you still need any assistance with the Audio and HDMI? If so, let me know and I would be happy to help.
Thank you for posting on the HP Forums.
I worked on behalf of HP.

Macbook Pro no longer connects to Samsung TV thru HDMI

So my 13" MacBook Pro and Samsung HDTV i got back in feburaury were working perfectly together thru HDMI cable to a Dynex Mini DisplayPort, then all of a sudden they stopped. Now whenever I plug the two in together the MacBook turns blue ( as it did before) for only a short period of time and disappears, while the Samsung does nothing and continues to display "No Signal." I've been looking for answers everywhere from the web to my TV manual and even updated my computer, any ideas???? HELP!

Hi Sean,
The setting may have gone back to default after updating. Go to System Preferences > Sound > Output > select HDMI.

2009 24-inch iMac 3.06GHz (EMC no. 2267). I don't get any audio when connecting my Sony HD TV to my iMac via mini DisplayPort. Is there a fix or hardware upgrade? I'm using a Kanex Mini DisplayPort to HDMI cable w/ audio support.

2009 24-inch iMac 3.06GHz (EMC no. 2267). I don't get any audio when connecting my Sony HD TV to my iMac via mini DisplayPort. Is there a fix or hardware upgrade? I'm using a Kanex Mini DisplayPort to HDMI cable w/ audio support.

You can connect the audio from your iMac to your TV using a mini jack (like headphones plug) to rca (regular red and white audio connectors used on every TV,DVD, etc) cable.
On your TV, you need to be able to set the audio for the HDMI input you will use to "analog" and connect the rca end of the cable to the analog inputs on your TV.

Hi i upgrade from lion to mountain lion to day on my mini mac,Since the upgrade i am getting no sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever

Hi i upgraded from lion to mountain lion to day on my mini mac,Since the upgrade i am no longer getting sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever.Any one any ideas?
I use a samsung TV for my monitor via HDMI.Tried all the system Audi setting nothing .Head phone and internal speakers are fine.

Similar issue; Audio was working fine on Lion, now not on Mountain Lion. Have a Macbook Pro early 2011 with AMD Radeon HD 6750M, connected by thunderbolt through a Lacie LBD to a mini-displayport to HDMI adapter (n.b. same problem when not going through the LBD) to a Pioneer VSX 521 AV receiver. For me when I go into audio Midi settings all the volume sliders for the displayport device are greyed out and at zero. But when I click 'configure speakers', it's able to send out the test signals to each speaker. Part of the problem could be that I'm not getting the option to put out 6channel sound, only 2 or 8 channel. Since my system is Dolby 5.1, and I only have 6 speakers, I would have expected the 6ch option to be available. But I imagine there's more to it than that. Elsewhere someone has suggested playing with Remote Interactive over HD on an Onkyo device; I'll see if there's something similar on the Pioneer that can be changed. Any other suggestions welcome.

I would like to connect my Apple TV to my receiver using an HDMI cable and pass thru dolby digital. I do not have optical inputs on my receiver.

I want to connect my Apple TV to my receiver using an HDMI cable. This should allow me to pass thru high definition video and simultaneously decode Dolby Digital material with an HDMI connection from my receiver to my TV without the use of an optical cable (my receiver does not have an optical input). I am unable to decode 5.1 material and don't understand why this is not working. In the audio setting I have Dolby Digital output turned on.

Welcome to the Apple Community.
Are you sure the content you are playing has Dolby Digital.

No audio thru HDMI cable post-upgrade to 10.8.5

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