Multichannel optical output unavailable (gray)

Multichannel optical output unavailable (gray)
Hello
I can not have an output multichannel audio in 5.1 (or 7.1) for the parameter digital output built-in "configure speakers" I stay in stereo.
Multichannel is gray
I am using the Apple DVD player DTS and DD 5.1 but
Why with the numérique optical output is not able to access the settings multichannel sound 2.0 digital audio output domme the parmetres Apple's program "audio midi"
xavier

It appears that my underlying question is whether Apple will either add digital pass through to Quicktime or to the system. My main need for 5.1 surround with Quicktime is for Divx files. Once you install the Divx software, Quicktime can play Divx files (such as rips of my DVDs), which can be recorded with 5.1 surround using AC-3.
On a related note, I see that this free AC-3 codec for Quicktime was just released. <http://www.versiontracker.com/dyn/moreinfo/macosx/27300> Both this and the Divx codec are now available as Universal Binaries.
Am I right in thinking that I could use the AC-3 codec to play 5.1 surround if I used external firewire hardware, but I can't do it with the built-in S/PDIF port? If so, that seems like something Apple needs to fix.

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Optical Output surround problem with SB X'FI Xtreme Audio Notebook (Gray one)

Dear All and Creative Gurus,
I search through the forum and read all sticky thread and didn't find an answer, so I need to post here:
I just bought this ExpressCard sound card for my laptop, and nearly all work fine. I know pretty well Creative tools and settings for years as I already have an XtremeGamer PCI card for my desktop PC.
I meet an Optical Output issue with this new Notebook card:
When I use any software to play DTS or Dolby Digital signal from video or music (E.g. a DVD with PowerDVD or VLC), the Optical Output only send "basic" st?r?o, and my amplifier can't detect any surround. Surround is OK when I use the little dock with the 7. analog output.
As a comparison, with the other computer, and the X'FI XtremeGamer sound card, and using same settings, same sources and same software (VLC or PowerDVD set to spdif output) the Optical Output send surround sound, and my amplifier detect Dolby or DTS source.
So I hope it's just a drivers (updated I think) or settings problem, and I hope this optical output is not made only for st?r?o sound!
Let me know your feelings here Guys, thanks! And keep the good work
Best regards,
Loran_69
Edit few minuts after : All work fine if I use the "Creative MediaSource 5 Player" !
The optical Output send surround and my amplifier well detect the Dolby or DTS source!
So what's going on with other software like VLC or PowerDVD, with the same settings than my desktop computer (spdif enabled)?

Seeing as the desktop version of the Xtreme Audio doesn't support Game Mode or even have the X-Fi chip on it (card is basically nothing more than a renamed SB Li've 24 bit/Audigy SE), I don't see how the notebook version can be any different. That and from looking at the specs for it I don't see anywhere that it even mentions anything about Game Mode, never mind EAX.

Optical output issue

I have connected my ATV2 to my soundbar using the optical output and a standard toslink-cable. The soundbar is set to automatically identify the incoming feed. When streaming music through the ATV2 the soundbar correctly identifies the feed as PCM. It does this every time a new song starts, as it is probably identified as a new feed.
The really annoying issue is that the soundbar for no apparent reason also does this in the middle of a song. Each time it does the audio is lowered for about a second. The display on the soundbar says PCM as it does when a new feed is transmitted, even though it is in the middle of a song.
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I am trying to connect my apple tv2 to my B&O Beovision 7. I have used an HDMI to DVI cable which is working fine for the picture; but obviously DVI does not carry sound. I have therefore connected an optical cable to the digital optical output on the apple TV and put this through a converter to digital coax, which then goes in to the TV. I know the optical cable / converter set up works fine as I have tested it on my sky box and it works fine. But I get no sound from the apple TV - any ideas?

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I updated my software as "recommended" and my optical output is not working anymore to my receiver and thus no surround sound. My HDMI to the TV still provides the picture and sound to the TV. My receiver only uses optical and was fine BEFORE the software was updated. How can I go back to the prior software or fix this? My Apple TV is the earlier 720P version. I have tried restarting on the Apple TV and then unplugging and reinserting all plugs to no avail. It provides no optical sound on Netflix, Youtube and other selections but does via HDMI only to the tinny TV speakers. ANY IDEAS?

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So you have connected via a Mini-Jack -> Toslink cable from the Mac Mini to your receiver? You haven't specified what cables you are trying to use. My guess from the red circle with a X through your digital output is it may not like the cable you are trying to use.
I have the above described setup but I am able to select Digital Output in Sound Preferences. The volume control is greyed out for some reason but does not have a circle with the cross through it so I just control the volume via the receiver itself. iTunes still allows me control of volume, as do other video/audio controls in the web browser etc, it's just the main OS X volume control that is inaccessible.
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I was trying to use Macbook connected to a MD player with optical line to record MDs.
I used iTunes to play the music at full volume.
However, although the MD should be receiving digital audio, but the tracks weren't separate automatically. Therefore, the whole CD with 15 tracks were recorded as only 1 track on the MD.
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Hi,
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Where do I find a TosLink, Optical to Analog Audio for the Optical Output on the Apple TV 2?

click here for information.

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Hi, nice to know I am not the only one with this problem (did not log on for a while...)
The problem is also that one doesn't really know which part to blame. I guess anywhere you go with your problem they would say it is something else. And the guys in the Apple store don't have knowledge at this level, they are just trained to sell.
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Hi.
I have HP Z545 with Windows XP Media Center Edition with all latest updates including HP drivers.
I'm trying to use optical output as a default sound output, but for some reason it's greyed out in mixer (see screenshot http://img849.imageshack.us/i/img0192g.jpg/).
At the same time the realtek sound panel shows "Output digital only" (see screenshot http://img857.imageshack.us/i/img0191v.jpg/), but for some reason it doesn't work
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Matt,
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Jason

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Name: Headphones
Type: Headphone port
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I replaced the panel and am still having the same problem I posted above. My Aux 2 and Mic 2 connections work fine. When I turn my computer on and get the " No Digital Data" message I unplugged my Optical Cable from the Optical Output connection and there is no "red light".
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Multichannel optical output unavailable (gray)

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