NO surround Sound from HDMI

Hello:
I have an old HP G70 latop running Vista 32 bit. I have it hooked up to my system through HDMI to my Yamaha receiver. the video display is stunning but I am only getting 2 channel stereo adio. This reciever decodes surround sound even if there isnt any coming in...I know this because thet last computer was hooked up with audio only through the headphone jack and it worked great. I have surround sound through any other format so it is not he reciever. I have read through many posts but have not been able to solve the issue...here is what I have tried:
made sure the playback sound check is on HDMI
made sure it had dolby and DTS as supportede formats and tried every different sample rate
made sure 5.1 is checked
even did the test and got sound out of all individual speakers
tried other settings as well, quad, stereo, 7.1
tried updating driver but it says there are no updates
tried forcing an install of the realtek driver that is reference many times...wouldnt accept it.
tried deleting the driver from device mgr and reinstalling
tried different media players, windows media center, vlc and media player classic
in short...I've tried!!
the only thing I cant seem to accomplish: i see reference to check the "SPDIF" box but theat does not seem to be visable in the driver I have.
any thoughts??

Hi
Please find the link given below might help to fix your issue.
Resolving HDMI Display and Sound Issues
Let us know how it goes!
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Manjunath

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Mac mini 2014 won't do 5.1 surround sound from HDMI port

I can't seem to get my Mac mini 2014 to do 5.1 surround sound from the built-in HDMI port to my home theatre system. When I run the Audio MIDI Setup program the only option is 2ch-24bit (stereo). Now I didn't have this issue when I tested it with a Mac mini 2012 running 10.9.5. It allow me to select 6ch-24bit (5.1) and Encoded Digital Audio. I also don't have an issue with the Mac mini 2014 if I use a Belkin Mini DisplayPort to HDMI Adapter connected to one of the Thunderbolt 2 ports. It does 5.1 surround sound just fine. So is there something wrong with the built-in HDMI port on the Mac mini 2014 or OS X 10.10?

Hello mrbraindead,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand you are having problems with your VLC audio since updating to Windows 8.1. I am providing you with a link to a thread I found on en.Kioskea.net titled VLC video player suddenly has no sound. There are numerous solutions provided here which is why I am providing you with the link. I would review the posters solutions and ensure that you have checked all the suggestions they make.
Please re-post if you require additional support. Thank you for posting on the HP Forums. Have a great day!
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Outputting 5.1 Channel Surround Sound from your Mac

How to output 5.1 Channel Surround Sound from you Mac...

I have been using my MacBook Pro via HDMI into my pioneer av amp which is set up for 5.1.
I have been able to output 5.1 audio with Logic Pro and FCPX no issues at all after you setup the audio midi utility for 5.1. This setup is via PCM 5.1 audio not to be confused with Dolby 5.1.
It works great. If you want to play your edited exported movies from Final Cut Pro x in surround then it gets a bit tricky. I export the movie with FCPX as master video with the 5.1 audio then use HandBreak set to atv3 to encode / compress the video. This is great because handbreak folds the 5.1 into a stereo AAC track and also encodes the 5.1 mix into Dolby 5.1 AC3 track so both stereo and surround tracks are embedded in the movie file. So if you have an Apple TV it will play the movie with its surround track. If you play the same HandBreak compressed movie out of your Mac via hdmi to your surround amp it will only play the stereo track if you are using iTunes or QuickTime and I believe this is because of copy protect and Dolby license issues. iTunes will play a purchased movie from the itunes store in surround via your Macs hdmi to receiver setup but will only play the stereo track of the movie you exported from HandBreak even though it is set up just like an iTunes movie. To get your HandBreak movie to play in Dolby surround from your Mac all you need is VLC player, then you have to go in and select the Dolby track and the output in VLCs audio settings and bingo your HandBreaked movie then plays out of your Mac in Dolby surround. Once you set your Mac up for 5.1 mixing your amp will show your outputting 5.1 via the mac but again this is PCM audio 5.1 and apps like FCPX, Soundtrack Pro, Logic Pro will work.

Surround sound through HDMI?

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.
So, here's a simple question. Is there anyone who has succeeding in outputting multichannel sound via an HDMI cable to a home theatre amplifier? If so, what Mac, what amplifier? What is missing to allow Macs to talk with all home theatre amps via HDMI??

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

Mac mini no surround sound via HDMI to TV

I have a MacMINI 2011 which is connected via HDMI cable directly to my Samsung UA55HU8590 TV.
The problem is that the MAC is not delivering a surround sound. If I e.g. watch a movie via iTunes I can only listen in stereo not in DTS or any other dolby sound.
I see in the midi audio setup at the HDMI entry that all my 5.1 settings are greyed out.
I have the latest Yosemite installed.
How can I transfer surround sound via HDMI to my TV?

Try:
Force 5.1 out over HDMI
http://blog.hqcodeshop.fi/archives/146-Mac-OS-X-Dolby-Digital-5.1-with-Mac-Mini- solved.html

HT1454 i connect my iPad to my tv with hdmi cable but the surround sound from the receiver is not working why is this?

i want to play my ipad on through my tv and receiver to get surround sound (not using the tv speakers) I connect the htmi cable to my tv and ipad do i need more cable to get my surround sound to play the audio? i thought hdmi did it all.

if you have a 6th or 7th gen classic, you'll have a have the video out cable from apple. only the 5th gen will play with a generic 3 connector video out cable.

Surround Sound via HDMI

I've tried just about everything to get Surround Sound out of the MacBook Pro. I'm starting to wonder if it's even possible.
I have a MacBook Pro Mid-2010 (the first model to support Multi-Channel Audio, BTW), and I've been trying to output surround sound to a Vizio 7.1 Surround Sound System (It's got sound quality like you wouldn't believe, if only the speakers weren't so slippery and would stay still.) It's connected to a Vizio HDTV through optical audio, which is connected through an HDMI cable to the MacBook, which is using a Moshi HDMI to Mini DP adapter (It's pretty good quality). I know it's not a problem with the HDTV or the Sound Bar, as Surround Sound works fine with our 3D BluRay, our DTV Box, an HD Upscaling DVD Player, and Windows 7 or 8 PCs, including my Surface Pro 2 (Worst computer in the universe.) The Sound Bar doesn't like PCM very much (sometimes it works), and prefers Dolby.
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Screenshots: (Ignore the Premiere Pro option, that's just there just it's open in the background)
So basically, what do you do if Mac OS X tells you there's no Surround Sound, and every other device tells you different?

Dam I've done it, ok next thing is where the volumes are grey'd out I would like to increase the volume to the rear speakers.

My satellite L675D-S7015 all of a sudden, no sound from HDMI

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I found this on the Microsoft websiite. (I am assuming you are running a Windows 7 machine)
Windows 7 auto update overwriting Realtek audio drivers on startup in Windows 7
And here is another thread in our forums stating the same issue.
Realtek Sound Drivers keep getting replaced by generic sound drives causing no sound
Here are a couple TOSHIBA KB articles for troubleshooting No Sound issues:
No sound from speakers or headphones
Windows Vista / 7 - Troubleshoot no sound with Windows Audio Troubleshooter

Can't get Surround Sound from a stereo sound file

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Anyone have any clues as to why this is not working?
If I pick a audio clip that is surround, the panning works and sounds fine. But looking at the demo movie on Apples website, it should be no problem to put a stereo file into any of the surround speakers.
I got a new HD coming and I am going to install everything fresh.. OS and all and see if that fixes things.

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I get no 5.1 surround sound from apple tv2 for any media

I have apple tv2 and think its great. However I have it connected to my ken wood surround sound system and only get sound from 2 speakers for all media including movies, netflix, my iTunes library and airplay from my iPhone or ipad.
There is no problem with connections and the same fibre optic cable supports 5.1 in the same port of my ken wood when it it connected to my DVD player.
My Dolby in settings is set to on.
Any suggestions

You really need to specify exactly what imac you have. Current ones I believe have an optical (out) and in and I think that can be combined with usb to produce multi-channel sound. But it's just an academic exercise if you don't have the optical.
Also, google "5.1 audio on imac" for lots of hits on this topic.

True 5.1 surround sound from headphone port over a Toslink cable?

http://support.apple.com/kb/SP690 page regarding the headphone port simply says: "Support for audio line out (digital/analog)". So, in planning a purchase I have the following 2 questions:
1. Does the newly released 15" MacBook Pro w/ Retina display have the ability to output true 5.1 surround sound or is it only able to output simulated surround sound? In other words, does the newest MacBook Pro decode the 5.1 signal (separate outputs front center, fronts, rears and subwoofer) over a Toslink cable pluged into the side headphone jack?
2. Using the above confuguration will the new MacBook Pro be able to play true 5.1 surround sound on HD movies purchased or rented from iTunes?

Probably: http://osx411.com/index.php?/topic/38-hook-your-macbook-pro-up-to-your-surround- system/

5.1 Surround sound from iMac.

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I have seen old postings on the internet referring to a Griffin Firewave device but this no longer weems to be available.
Can anyone suggest how I might be able to do this. To buy a whole new home cinema system seems an expensive solution as the PC is only used in the home study.

You really need to specify exactly what imac you have. Current ones I believe have an optical (out) and in and I think that can be combined with usb to produce multi-channel sound. But it's just an academic exercise if you don't have the optical.
Also, google "5.1 audio on imac" for lots of hits on this topic.

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If I play both types of file (the regular AVCHD and the 1080-50p) in the VLC Player it reports that both types have 5.1 surround sound (AC3).
Why am I only getting 2-channel audio for the regular AVCHD files that I import from the camera directly in to FCP X? Any ideas?

yeah, luckily i am working with single long clips so i don't have to do it that often. it's a lot of work, true, but it does work and so far it's the only solution i've found.
i do find it a bit strange that apple doesn't let you "optimise" the audio in the same way as for video. Meaning, to convert ac-3 into whatever format it wants to edit audio in. in can encode ac3 during export, so why not decode it on import?
There's a section in the help manual that says you can specify mono channels to specific surround channels, but i've never been able to get it work, but now that i reread it, it does say to do it in the timeline. I've always tried it in the event browser. So it might be worth trying in your case.
You need to first have the configuration be 6 mono channels. Then, supposedly, you can specify each mono channel to be a surround channel.
Select the clip in the Timeline.
In the Channel Configuration section of the Audio inspector, choose an option from the Channels pop-up menu.
To assign a mono channel to a specific surround channel: Select the mono channel waveform, and choose a surround channel from the Channels pop-up menu.
Source:
http://help.apple.com/finalcutpro/mac/10.0/#verc1fab5f6

5.1 Surround sound from 2011 21.5 inch Imac to sony dav-tz135

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http://www.sony.com.au/product/dav-tz135

If the Movie has only a 2 channel stereo track then no you can't. There needs to be a 6 channel track sometimes called Dolby 5.1
You can convert 5.1 down to 2 ch but not the other way around

How can I get true 5.1 surround sound from my iMac?

I am looking to buy a logitech z506 5.1 speaker system but it only take 6 channel input, I know my iMac doesnt support that out of the box. I am looking for a solution that I can do to so I can get true 5.1 surround sound. Please help
Thanks,
Amar

You really need to specify exactly what imac you have. Current ones I believe have an optical (out) and in and I think that can be combined with usb to produce multi-channel sound. But it's just an academic exercise if you don't have the optical.
Also, google "5.1 audio on imac" for lots of hits on this topic.

NO surround Sound from HDMI

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