Optical Audio In Windows 7

Hi everyone,
I've been reading through the threads, and I realize that Windows 7 is supported (unofficially) by Bootcamp. But I was wondering, has anyone been able to get optical audio out working in Windows 7? I have an iMac that is from early 2008, and when I installed Windows 7, I couldn't get optical audio to work. I even tried installing third party realtek drivers from the realtek website, to no avail.
Has anyone been able to figure this out or get it working?
Thanks in advance!

you are not alone on this. just read this: http://discussions.apple.com/thread.jspa?threadID=2037093&start=0&tstart=0 .
I had the same problem until I used the solution posted by TheSponge - so thanks to him/her and all others involved I got sound in windows now. The fix is as follows:
1. Create a folder on the root of your c:\ drive, call it "CirrusDriverFix".
2. Install 7-Zip in your Vista or W7.
3. Put the Mac OSX Install DVD that came bundled with your Mid 2009 MBP in your DVD drive then right click on the BootCamp\Drivers\Cirrus\CirrusAudioVistaxx.exe (xx=32 for 32 bit and 64 for 64-bit) file and choose "7-Zip > Extract Files..." Enter c:\CirrusDriverFix to extract the files.
4. Once the files have been extracted go to the c:\CirrusDriverFix folder and delete the original cs420x.inf file and replace it with the one attached to http://att.macrumors.com/attachment.php?attachmentid=182216&d=1247310061 make sure the you rename it to cs420x.inf
5. Go into your device manager, right click on the Cirrus Logic under "Sound, video and game controllers" then choose Uninstall and make sure to check the box "Delete the driver software for this device."
6. Click on Start > type "cmd" then right click on the cmd.exe that shows up and click "Run as administrator".
7. type in CD "\CirrusDriverFix"
8. type in dpinst /F and then go through the install, it should "force" the install.
9. Enjoy your sound.
hope this works for u as well. What annoys me the most is that in their advert they state that mac runs windows natively, when in real life u can't get any sound with either XP or vista.

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Howdy,
To listen to online radios or CD's played from my computer, I used to connect the computer to my home entertainment system from the computer's headphone jack to the AUX port on my home entertainment system.
I now wanted to get better sound and purchased the optical audio cable. However, I don't know how to tell my computer to send the audio signal to the home entertainmeny system through the optical digital cable rather than through the headphone jack. If I just unplug the cable connecting the headphone jack and the AUX port and only have the PC and the system connected with the optical audio cable, I don't hear any sounds. I suspect the computer isn't sending any data through the optical audio port. I'm not able to find how I can adjust the settings on my computer so that from now all sounds are output through the optical audio.
1) I'd like to do that mainly for my HP desktop (configuration below) and any advice on how to do that would be appreciated.
2) I also have a HP laptop (configuration below) and was wondering if that would be doable too (even though it doesn't appear to have a audio out, but it has HDMI out - can one convert it to optical audio?
Thanks in advance!
My desktop is:
ENVY h8xt,
• Windows 8 64
• 3rd Generation Intel(R) Core(TM) i7-3770 quad-core processor [3.4GHz, 8MB Shared Cache]
• 12GB DDR3-1333MHz SDRAM [3 DIMMs]
• 1TB 7200 rpm SATA hard drive
• No secondary hard drive
• 1GB AMD Radeon HD 7570 [DVI, HDMI, DP, VGA adapter]
• 300W Power supply
• SuperMulti DVD Burner
• Wireless-N LAN card (1x1)
• 15-in-1 memory card reader, 2 USB 2.0 (front), 2 USB 3.0 (top)
• No Additional Office Software
• No additional Security Software
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• Beats Audio (tm) -- integrated studio quality sound
• HP USB volume control keyboard and mouse with Win 8 keyboard
• Adobe Premiere Elements & Photoshop Elements 10
And the laptop:
HP ENVY 15t Quad
• Windows 8.1 64
• 4th generation Intel(R) Core(TM) i7-4700MQ Processor
• NVIDIA(R) GeForce(R) GT 740M Graphics with 2048MB of dedicated video memory
• 15.6-inch diagonal Full HD BrightView LED-backlit Display (1920x1080)
• 8GB DDR3 System Memory (1 Dimm)
• 1TB 5400 rpm Hard Drive
• 24GB flash Hard Drive Acceleration Cache
• No Additional Office Software
• Security Software Trial
• 6-Cell Lithium-Ion Battery
• No Internal DVD or CD Drive
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This question was solved.
View Solution.

Hello @_goma,
Welcome to the HP Forums, I hope you enjoy your experience!
I have read your post on how you are looking to make your computer send all the audio through an optical audio cable instead of the headphone jack, and I would be happy to assist you in this matter!
To configure your desktop to enable the optical audio cable, I recommend following the steps below:
Step 1. Click the Windows Key Button on your desktop
Step 2. Type "Control Panel"
Step 3. Select "Control Panel" in the top right-hand corner
Step 4. Select Sound
Step 5. Under the Playback tab, right-click the white area below the devices available
Step 6. Select "Show Disabled" and "Show Disconnected Devices"
Step 7. Connect your Optical Audio Cable
Step 8. Select your Optical Audio Cable as the default device and click "Enable"
Since it is not possible to convert the HDMI out to audio out on your notebook computer, it is unfortunate that the notebook is not able to connect with an optical audio cord.
Please re-post with the results of your troubleshooting, and I look forward to your reply!
Regards
MechPilot
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 right to say “Thanks” for helping!

How to connect Digital Optical Audio output iMac with Receiver Input

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Thank you very much for your reply.
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Friends,
Good afternoon to you all.
I am having an issue with optical input of my Mac Pro, using it for recording via Logic Pro 9
I use the digital output of my Axe-Fx into the Optical In of the Mac Pro (5,1 - Quad Core 2.8 Ghz)
The axe fx sends its output at the rate of 48Khz, while the Mac Pro is able to input signals at 48Khz.
However there was significant latency while using logic pro...upto 2 seconds.
I fired up the Audio MIDI window, and tried to set the rate to 48Khz.
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During that time the rate remains at 48Khz, there is no latency.
I disconnected the toslink cable and tried...but to no avail..
the rate keeps falling back to 44Khz
What am i missing here?
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Friends,
Good afternoon to you all.
I am having an issue with optical input of my Mac Pro, using it for recording via Logic Pro 9
I use the digital output of my Axe-Fx into the Optical In of the Mac Pro (5,1 - Quad Core 2.8 Ghz)
The axe fx sends its output at the rate of 48Khz, while the Mac Pro is able to input signals at 48Khz.
However there was significant latency while using logic pro...upto 2 seconds.
I fired up the Audio MIDI window, and tried to set the rate to 48Khz.
However, after a couple of seconds, the rate falls down to 44Khz.
During that time the rate remains at 48Khz, there is no latency.
I disconnected the toslink cable and tried...but to no avail..
the rate keeps falling back to 44Khz
What am i missing here?
(I only recently shifted to this route of recording as i previously used to use a USB interface.)
dinesh

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C Nelson wrote:
There are many HDMI switches out there. Any advice on which ones are best?
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I have a further question about this. It turns out I do have 2 optical audio ports but I was told I wouldn't need it if it was connected via hdmi. I have 4 ports and they are all in use so the question is whether the best solution is to just get an optical audio cable and connect it directly or get an hdmi splitter so I can add in the Apple TV?

Can I use Optical Audio alongside a speakerless monitor to play audio through speakers?

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Hi guys,
I'm having a little trouble getting my Mac mini to play audio via optical out through my Sony HT-IS100 home theatre system.
Below is my correspondence with Sony UK so far listing the problem and current connections. Their reply indicates that the problem is the way the sound is output from the mini. Does anybody know what the default output audio type is via optical?
It is worth noting the problem occurs through iTunes, front row, safari, quick time etc.
I also tried using my MacBook Pro and the same problem occurred. Does anyone have any ideas, or are Macs just not compatible with my setup via optical audio?
Thanks in advance,
Jib
Here is the link to the manual referenced by Sony http://www.superfi.co.uk/extras/Sony/sonyhtis100manual.pdf
=================================================
Hi there,
I'm having trouble getting the sound from my MacMini to output through my recently purchased HT-IS100 system.
The MacMini is being connected via a TOS optical cable for the sound and a HDMI cable for the picture to the SAT inputs on the HT-IS100.
The picture is working fine, as mentioned the audio is not. The HT-IS100 is working fine for all other inputs.
The optical cable has been checked and is working when used for other components, as has the optical out port on the MacMini.
When the HT-IS100 is turned on from standby, the OPT and PCM light are on and I get audio for about a second before '2.0 channel' is displayed and the audio disappears.
Have looked through all trouble shooting and online guides and nothing to help me with it. I also tried calling my local sony centre with no luck there either. All components are working so am assuming it is just a setting that needs to be changed.
Can you please advise on how to fix the problem.
Many thanks.
Dear Mr ------
Thank you for your recent e-mail received on 11/03/2010 03.20 PM.
I am pleased to read that you are the owner of a HT-IS100, but sorry to learn of the issue you are experiencing.
Having investigated your enquiry, it appears that your MacMini is outputting a sound signal that is not supported by the HT-IS100. For example, the maximum PCM input for the Home Theatre System is 96khz. The Home Theatre System will automatically select the best decoding mode for the sound that is being received, so it would not be a setting on the Theatre System that needs to be changed. As this is the case, I would suggest that you view the supported sound specifications in the instruction manual and ensure that your MacMini is outputting a supported signal. Please refer to page 76 of the manual for the specifications.
I hope this information is of some assistance. Thank you for your enquiry.
Yours sincerely
Sony Customer Information Centre

Just to update this in case anyone can still help, or if anyone searches a similar topic.
Latest reply from Sony
Dear Mr.....
Thank you for your reply.
If the SAT optical port works when connected to another product, this still indicates that it is an issue somewhere in the Mac settings causing the problem. It is possible that interference in the HDMI cable is causing the Home Theatre System to listen to sound coming from the HDMI port rather than the optical port. I would suggest that you try connecting the Mac just with optical and no HDMI, to see if the issue still occurs. If the problem is resolved, I would recommend that you use another HDMI cable.
If the same issue occurs, this indicates that is a Mac setting somewhere causing the sound output to be incompatible. In this case, I would recommend that you contact Mac for assistance.
I hope this information is of some assistance. Thank you for your enquiry.
Yours sincerely
Customer Information Centre
SONY UNITED KINGDOM LTD
So, with HDMI unplugged the audio works through the optical input to the HT-IS100 amp. With a HDMI (all cables working that I tried) plugged in, the picture comes through but no audio for that channel.
So there must be something outputting through the HDMI from the mac mini to make the amp try to take the audio from there instead of the optical. Tried all TV output settings on the mac and same problem across the board. Does anyone know if there is anything else I can try, or is it time to just accept this combo does not work as it should?
Since the last post, I discovered that the sliders in the midi setup should be grey due to control being shifted to the amp, so all OK there.
Thanks in advance if anyone has any help.

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Hello,
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Thanks,
Holly

I have the exact same receiver (Onkyo TX SR-501) and tgibbs is correct...you must (during a setup process) link each function (DVD, Video 1, Video 2, Video 3, CD, etc.) with its audio source. The Optical cable doesn't connect to a "function" in the back, it connects to an "input". The receiver gives you the freedom to use different inputs with different functions. It's your job, durng the "setup" to map each of these inputs to each function...that way the receiver knows where to go looking for the audio that you are feeding into it for each function you choose. The owners manual has a pretty clear setup process outlined in it.
Not clear to me that you understood this, so forgive me if I am explaining what is already clear to you.

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