Optical audio in passing through to optical audio out... Is it possible?

Hello,
Is there anyway to have the optical audio in passthrough to optical audio out? I use my iMac as a home-entertainment box with a Elgato Hybrid getting video-signals from a cable-box. My iMac is connnected via fibre-cable to a surround-reciever.
The reciever has only one optical input, and the cable-box also has digital audio via optical fibre. So in order for me to not have to switch cables when watching tv on the iMac, I would like to send the optical audio from the cable-box to the reciever, via the iMac.
What really bothers me is the fact that the audio-drivers supplied with bootcamp let you do exactly what I want in windows!
So I know for a fact that the hardware is up for it. I've tried lineIn, (an audio app) but that app doesn't play nicely with EyeTV2.
Can anyone help me?
/Fredrik

I found the answer to my problems. The answer was another app from http://www.rogueamoeba.com called "Audio HiJack Pro". It allows me to select "Digital Audio In" and route it to "Digital Audio Out" "bypassing" the system all togheter. So now I get 5.1 Dolby Digital from my set-top cablebox to my reciever without having to switch cables. Yay!
24" iMac core2duo Mac OS X (10.4.9)

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?[email protected]

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Does the MBA have an optical audio out (toslink)?

Does the MBA have an optical audio out (toslink)?

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Connecting to iMac optical audio out/ overall audio quality?

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firefighterpilot1 wrote:
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Hello,
My iMac 27"(late 2009), Audio in/Optical digital audio out port, stopped recognizing my new Bose speaker system, previously working through that port. I tested the speaker system through my iPhone, and it works fine. I hooked it up to the Headphone out/Optical digital audio in port, and it works through that port also. I did a computer restart, I also checked all wiring and did a system repair on the computer. I also restarted the computer in mode where I could use the system utility, and the computer still did not correct the matter, and it reported everything as being "ok". I wented into "sound", through system preferences, and the computer does not recognize anything I plug into the Audio in/Optical digital audio out port. When I plug the speaker sysytem into the headphone out/optical digital audio out port, it does recognize the Bose speaker system as being "headphones".
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http://www.amazon.com/gp/product/B004HBWYQ6/ref=oh_details_o00_s00_i00
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Hi,
I am a bottom feeder of Apple goods, which has been a successful strategy for me for decades.
I am using an Xserve (Late '06), running snow leopard server to host a lot of different services (DNS,Mail,Files,Video,Audio, Etc).
Lately I have been thinking about adding a home theater. Since my movie's are residing on the Xserve, I was thinking I would love use that to push my TV and (wait for it) my audio.
So, obviously, the xserve has no audio out. I have been exploring the various options to get this working, with limited success. I have an old Onkyo USB based Stereo out box, which works great for stereo.
I purchased the generic looking Sewell USB Sound Box (which can be viewed in all it's glory here: http://www.amazon.com/dp/B004Y0ERRO/ref=pe_175190_21431760_M3T1_SC_dp_1)
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So, to make a long story short, I need to find a way to get the raw audio from my xServe to an optical connector, and then to a Surround receiver.
IS THERE ANY know solution to go from USB or FW to Optical audio on a Mac? The Sewell Box and MANY others have this feature, but the software to switch it on isn't available for OSX.
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PS I did already upgrade the video card in my xserve with a flashed PC Radeon HD2600Pro.

you could install xbmc for mac on another box and connect it to your TV
and use it to stream movies music etc from the xserve
as well as airplay from IOS devices
Xbmc is free

Question about Audio line-in/optical in/Audio out/optical out

I have a late 2009 27" iMac (v3.06 GHz Intel Core 2 Duo). I note that on Apple's description of the rear ports, what I thought were simply headphone (Audio Out) and microphone (Audio In) jacks are described as:
1. Headphone/optical digital [S/PDIF] audio out:
"Line/Headphone output
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB..."
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB."
and
2. Audio line-in/optical in:
"Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB..."
"The digital audio input has the following electrical characteristics (nominal specifications), based on input of a 1 kHz sine wave at 0 dBFS input level, 24-bit sample depth, and 44.1 kHz sample rate (unless otherwise specified below):
FSI – input sample rates: 44.1 kHz, 48 kHz, or 96 kHz
Bits per sample: 16, 20, or 24
Signal-to-noise ratio (SNR): >130 dB
Total harmonic distortion + noise (THD+N): <-130 dB (0.0003%)
Sound output/digital audio output port"
While, as an Olde School audiophile guy (62, and I still have vinyl!), I generally understand the gist of all this, I'm not at all hip to what S/PDIF optical digital output and/or digital audio input can do for me. So my questions are:
1. Can somebody please wise me up to the usage(s) of these optical inputs and outputs on the iMac?
2. The Apple description says,under "Line/Headphone output":
"PCM: 16, 20, or 24 bits per sample at sample rates of 44.1 kHz, 48 kHz, or 96 kHz
AC-3: 16 bits per sample at sample rates of 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz"
and under "Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB."
How -- where -- do I adjust these bit depth and sample rates?
Thanks for your help!
Bart

Thanks for the info. Turns out there's an even easier way to do it than using the "Audio Midi Setup": through the prefs in the latest (and probably some previous) version of VLC, which is currently Version 1.0.2 Goldeneye (Intel 64bit).
Now if we could only get full native resolution (or at least 1080p) HDMI input into the Mini-DPs of our 2560 x 1440-capable 27" iMacs and actually have it display something WAY better than 720p (half the resolution of which the 27" iMac is capable) to which Apple limited it, without having to buy a third-party $270.00 HDMI-to Mini-DPP converter and scaler. Call me crazy, but it seems kinda silly to have to pay another $300 to buy a device that will scale the 27" iMac's resolution back up to a measly 1080p, let alone its native 2560 x 1440. But, as the
As a side note, can anyone tell me -- perhaps the elusive and chimerical, but omniscient and omnipotent "communityhosts" of Apple.com -- why, in my original post in this thread, the phrase "1. Headphone/optical digital S/PDIF audio out" had the acronym "S/PDIF" stricken through, like it was a particularly egregious Anglo-Saxonism? Wikipedia defines the acronym thus: "S/PDIF is a data link layer protocol and a set of physical layer specifications for carrying digital audio signals between devices and components over either optical or electrical cable. The name stands for Sony/Philips Digital Interconnect Format."
If I have inadvertently broken another arcane, abstruse, and/or inscrutable canon of the rules (http://discussions.apple.com/help.jspa) governing what may or not be asked or said on these avowedly "user-driven" discussions, allow me to beg for forgiveness beforehand, pleading ignorance, and ask that Apple's "community hosts" or administrators would expand upon and make very clear, in their "Apple Discussions Terms of Use," a comprehensive list of terms, subjects, lines of discussion, references to certain items, products, people, policies, etc. that are simply disallowed in the forum.
It is extremely depressing and frustrating to spend however long it takes -- and it takes ME a long time, as I have a 60-year-ingrained tendency towards verbosity -- to ask and post a question or message, only to have the message never even posted to the forum, but, without any sort of consultation with me so that I may learn from, and correct, my errors, uncaringly consigned to the illimitable void by hands to whom there is no appeal or orison.
It seems unfair.

Optical digital audio out?

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