Multicast channels with optical sound output?

Success the channels have appeared finally. Ican not get sound through my sound system however which is connected via optical cable. The normal channels are fine but not the multicast. Obviously this is a pain in the backside meaning i have to turn the tv speaker on for the new channels and off for the freeview ones.
I think i read in a thread it was a known fault but can anyone confirm? Is it supposed to work but hasn't yet or is this the way it was planned to be?

socmwils23 wrote:
id imagine given all the recent problems it will be delayed. Im not going to bother watching them until its sorted as i just cant be bothered switching the tv speaker on and off with every channel change
Hows about using the phono outputs in the meantime? It's not as if the box does 5.1 yet which would require the optical. It would save you switching.

Similar Messages

Has anyone else had optical sound output problems since the last Apple software update?

I have just read an article about this problem and it seems that there is an issue with the last software update from Apple which has caused problems with the optical sound driver.
My optical output stopped working a couple of weeks back which would probably coincide with the last update that was installed. Still have a red light at the end of the cable but no sound is transmitted.

here's a thread with a possible solution.
https://community.verizonwireless.com/thread/790883
if clearing the system cache doesn't work, a factory reset should (just back up anything you don't want to lose).

Problem with Optical Audio Output

Hi, all. I'm running my audio out through the optical digital output on my Mac Pro. Recently, I've developed a problem with iTunes, where certain tracks are distorted and others play extremely softly. There is no problem when I run the audio out through the headphone jack...it's only a problem through the optical output.
Furthermore, when I go to Audio MIDI setup, it says "Output is not supported" for the optical digital output, when I've read that I should be able to make adjustments to it here.
Does anyone know what might be causing a problem with my optical output? Thanks so much!

Look in iTunes' "Playback" preferences. Try turning off "Crossfade", "Sound Enhancer", and "Sound Check"/

Is there an optical sound output on MacMini?

Is it possible to get sound output via an optical cable from Macmini?

Hi,
Single combined "audio line out/headphone minijack (digital/analog).
http://www.everymac.com/systems/apple/mac_mini/specs/mac-mini-core-i7-2.6-late-2 012-specs.html
Headphone out/optical audio out port
The headphone/line out port accommodates digital optical audio output, analog audio output with a 24-bit, 44.1-192 kHz D/A converter, digital audio output up to 24-bit stereo and 44.1-192 kHz sampling rate and supporting encoded digital audio output (AC3 and DTS). For analog headphone / line output, use a standard audio cable with 3.5mm metal plug. For digital audio, you can use Apple iPhone headset with microphone or a standard TOSLINK cable with a TOSLINK mini-plug adapter.
http://support.apple.com/kb/ht5539

Can´t get optical sound output from my brand new mini

have connected the MM to an optical input on my Yamaha RX-V659, but I can´t get no sound.
Mac-side: After connecting and turning on, "System Prefs -> Sound -> Output" has changed to Digital Output and says that no output controls are available for this output. I have tried playing from iTunes and DVD Player. In DVD player the option for selecting Digital Output had appeared, and I chose that. When I take a look at the end of the cable I plug into the receiver I see a constant red light.
Yamaha-side: I have tried 2 different optical inputs, and gone over my settings several times. The receiver does not seem to detect digital audio coming in. I tried the Signal Info menu on my receiver, and for another source it output:
PCM, 48kHz, 2.0, Analog
On the optical input it says:
---, ---, 2.0, Analog

I have a similar setup to a Kenwood receiver. You are correct that ALL system sounds (frontrow, system alerts, etc.) will play through to your stereo.
Have you tried switching Toslink cables and/or the toslink to miniplug adapter that is plugged into the mini?
I had a bad cable at one point in time, and a bad adapter at another point in the life of this system. You perhaps tried these things already but I only saw mention of trying 2 different inputs (I assume on the receiver) and made no mention of cables/adapters.
Let me know how you make out.
Message was edited by: CaptTB

1/4" with optical audio output

Does anyone actually use the digital audio output? Like in a home theater for Dolby Digital? Does the MBP output DTS?

The digital audio output works great. As an audiophile, it's one of the best things about my MacBook Pro. I use mine to not only connect directly via optical cable (toslink) to an external DAC, I can use my MBP as a digital front end for my audio system. I also use my Airport Express to stream music digitally to my pre-amp. The great thing is there is no signal loss between my MBP (source) and the preamp or DAC. This is completely different from using the audio output jack in an analog manner. The difference is astounding. You can buy an optical cable, also called toslink, fibre optic cable, fibre cable, online or at most big box electronics stores. Not all cables come with the mini adapter though, so make sure to find one that does. Monster makes one for about $40, but you can find them online for as little as $6 (before shipping.) The absolute best deal I found was from PowerMax.com. Delivered, this cable was less than $20! The cabling is small in diameter, but it is high quality and the mini adapter snaps into solidly into place. It is a great product at a great price and will make an extraordinary difference compared to analog. Find it here: http://www.powermax.com/parts/show/serv-922-6540 It's made by MonsterCable (MonsterCable is labeled on the external shielding.) It does come with a mini adapter and will work with all the Apple optical digital inputs and outputs. The digital audio output will export Stereo, Dolby Digital (Stereo, 5.1 and 7.1) and DTS. It's a pure digital signal. I can connect my MBP to my 50" 1080p HDTV and use the optical digital out to output the audio in Dolby Digital 7.1 into my audio system. Awesome! Apple was genius to design the audio jacks (input and output) to accept both an analog and digital cable in the same jack. For less than $20, try it, you'll love it. Also, regarding Apple's Airport Express; I rarely used my Airport Express in an analog manner. I couldn't stand the loss in sound quality. I mean, what's the point of having your music in a lossy format stored on your computer if you can't get that same high quality out of it. Using the Airport Express in an analog manner, the degradation in sound quality isn't even worth it (for me.) As an audiophile, quality (both the recording process and the playback process) are everything. By connecting the Airport Express with an optical cable to my pre-amp or DAC, I use it almost daily to stream music and now can truly used my MBP as a digital front end and music server. It's one of the greatest upgrades ever in my audio system and it was only $20!

Connecting audio channels with surround sound speakers

I have an art project coming up and I was wondering if anyone could help me. I have made a film with a separate .aif sound recording to go along with it. I want the sound to play from different speakers at different points, I have a surround sound system I was hoping to use and thought it might be possible to cut the sound files and somehow place them in different audio channels to link with different speakers. Would this work or is there another way to get the same effect?

I've not personally done it yet, but the theory is sound. I'd expect it to work just fine.
In any event, you'll know for sure once you try.

USB (Mega stick), sound output and PS2 problems

==USB problem==
The MSI MEGA STICK do not work with the MSI K7N2 Delta ILSR.
When you plug it, its recognized, you can write on the MEGA STICK, delete files but cannot READ from MEGA STICK. It freezes while display "reading". I have tried on lots of PCs. Only my MSI motherboard do not work properly. The same problem with my 2 MEGA STICK. And i had tried Windows XP and Linux. Same problem. Others USB devices works fine. Even card readers...
==PS2==
My optical wireless mouse do not works properly. When i turns on the computer, it works ok. If i restart, do not work. Restart again, works. And go on... Only this mouse. Others MB works fine.
==Sound Output==
And also with my sound output. The eletrical one (coaxial).
It do not work with my 5.1 home system. It works fine with my old SB Live. It gets worse when i use my tv output from my Radeon 9100. It only works SOMETIMES when the tv output is not plugged in.
Thanks to all that could help me.

Mega stick.
have you updated the firmware ?
No. It Freezes before being able to update. Also the update do not tell about solving this problem
"Firmware version: 2.05
Update items
1. Improve delete MP3 and voice files function.
2. Fix device will restart while forward/backward Voice file."
you do know that windows xp does not come with usb2 drivers.
sp1 does and you have to install them yourself.
go to device manager and delete all usb entries and reboot and windows will install the usb2 drivers next time you boot.
if you get a slipstreamed version of xp you dont need to do this as it installed usb2 drivers rightaway.
slipstream means a xp disc with sp1 on it.
My XP cd is already SP1. Also tried on BIOS to use only USB 1.1V
PS2.
tried to use the other ps2 contact ?
No. Could i use the keyboard PS2 to plug the mouse?
SOUND.
this is not my area but it could be a good idea to post what the equipment is.
have you tried the latest drivers from http://www.nvidia.com ?[/quote]
Its a brazilian brend. You wont know. CCE. Its works fine with DVDs, my old SB Live! and others. Only with my K7N2 do not work properly. Its an AC3 decoder. The problem gets worse when i use the Radeon 9100 tv out.
Look like the problem on this thread.
https://forum-en.msi.com/index.php?threadid=29572&sid=&hilightuser=26427
This is my old thread. Never solved. :-(
https://forum-en.msi.com/index.php?sid=&postid=319195#post319195
When i updated the BIOS, it got even worse. Not even with the tv output unplugged it never worked anymore...
Its very disapointed to buy an expensive MB and realized that it do not work properly...
Thanks yo your help.

Device for sound output changing randomly

After the latest OS update, I've been having issues with my sound output settings. My sound will play most the time through the "line out" setting, but then randomly the "sound effects" will play thru the internal speakers. I keep changing the setting in the "sound" panel of system prefs but it keeps changing randomly on me. I've saved the setting and rebooted and thought it would be fine, but it keeps doing it. Once my Sound Output setting were changed too, and my music just started playing thru the internal speaker.
Anyone know what's up with this, and what could correct the problem?

It may sound silly, but from my own experience (having had exactly the same problem while working on a soundtrack) after snooping around I found that the plug/cable I was using (a cheapo cable) was somehow the guilty party.
It fit snugly, no wobble, no crackling, changed the cable and all problems went away.
Same cable works 100% now used to hook up the iPhone to the mixer.
Seems to make no sense, and yet... voodoo (or a badly soldered plug).

SoundBlaster Audigy Value: Delay and echoing of sound output from head

I'm having problems with the sound output of my voice when chatting using a headset.. I can hear echoes and there are delays occasionally. I first thought the problem was with the headset, and so I changed it. However, the problem persists!
When I plugged my headset in my laptop instead of the desktop with the Audigy Value installed, I didn't encounter any problems at all with the sound. So I thought the problem is with the Audigy Value souncard.
What could be causing these problems?

You need set the ASIO latency through CT ASIO panel and not through Audition settings. ASIO Panel has only settings as milliseconds so if you select 10 or lower value your delay problems should be fixed.
jutapa

My sound output won't work and headphone port is possibly broken

my laptop has been fine all day and now for some reason the sound output doesnt work. i believe the input does because in system preferences it seemed to pick up my voice. my volume is turned all the way up in every place i can think of and there's nothing. also there's a chance that my headphone jack might be broken but i can't tell because the sound isn't working regularly. please if anyone can help i would appreciate it! thanks!

Hey navzzzzz!
Here are two articles that will help you troubleshoot this issue with your sound output on your computer:
OS X Mavericks: If you can’t hear sound from your speakers
http://support.apple.com/kb/PH13841
Troubleshooting issues with no audio from built-in speakers on Macs
http://support.apple.com/kb/ts1574
Thanks for using the Apple Support Communities. Have a good one!
-Braden

Lose sound with optical speakers after using DVD Player

For some reason when I launch DVD Player my sound will stop on all other applications. Quitting DVD Player won't fix this either. In iTunes, the song won't even begin playing. I've tried checking Audio MIDI Setup, and for my ouput I'm only allowed to choose "None". When I try to select Built-in Audio it won't let me. However, before I launch DVD Player Built-in Audio will output to the speakers. My speakers are Logitech 5.1 Z5500's and I am using the optical connections. They didn't come with any sort of drivers and seem to work fine before using DVD Player, so I don't really know what's up.
Any help is greatly appreciated,
Powermac G5 Dual 2.7 Mac OS X (10.4.3) Logitech Z5500 Digital Speakers

In DVD Player's preferences when Disc Setup -> Audio Output is set to "Digital Out - Built-in Audio" the AC3 stream is sent to the speakers. This is an encoded stream straight from the disc that provides the 5.1 channel surround sound. The computer cannot take the sound from other applications and mix it with the AC3 stream because it would first have to decode the stream, mix the sound and then re-encode the stream. This is very processor intensive and your system would take a big performance hit.
To get sounds from other applications while watching a DVD change Disc Setup -> Audio Output to "System Sound Output". You'll lose the 5.1 output from the movie but will hear the sounds from other applications.

Only right and left channels work with external sound card

Just got the USB Sound blaster xfi surround 5.. connected it to my laptop and connected to my home theather in a box using optical connection.
downloaded and installed latest software but when I do a channel check I only get sound out of the right and left and even then it does not sound right.
I have verified that my home theater in the box will play 5. with optical input and have verified with the built in test tones of the home theater that all speakers are working and correctly hooked up.
The laptop is ruiing windows xp 3.
Any suggestions.
Thank you.

Which S&V vi's do you mean to be dedicated to NI hardware?
A quick peek into the addon show me waveforms as input and the sound vis have a waveform output.
OK I didn't look at the examples and by habbit ignore the express vis . But maybe you just want to use a program instead of programming your application?
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How to connect G500 Speakers with optical or coaxial output from my motherboard?

Hi. I have GigaWorks ProGamer G500 Speaker systems and only these sound outputs in my motherboard : one Optical Output and one Coaxial Output. (Motherboard Asus P5W DH, Onboard Soundcard 7.1 High Definition,I think .... AC97?)?So... How can to connect my motherboard sound output with GigaWorks ProGamer G500 Speaker systems? (The other 3 minijacks outputs on m/b they are destroyed)?There is any adapter or coverter about this? Could you show me any in the web?Thanks
Message Edited by stos on 07-15-2007 02:51 PM

Its very difficult to set up the 5.1 system? with minijacks I/O on P5W DH. But with coaxial or optical connection its vey simple,?just one click. Thats the problem. Btw... this onboard sound card, supprts dts
http://www.asus.com/products.aspx?l=...=98&modelmenu= .....
Other ASUS Special Features
http://www.asus.com/999/images/products/98/HDaudio.gif
Dolby Master Studio
A person who truly knows good entertainment appreciates good acoustic presence. AI Lifestyle Series motherboards offer 8-channel audio output and sound spec higher than that of DVD. Enjoy true home theatre experience with the supreme Dolby Master Studio and hear your movies in 7.1 surround sound. With the P5W DH Deluxe , appreciate the quality of sound, and indulge your sense of hearing.
-Dolby Prologic IIx -Dolby Virtual speaker
-Dolby Headphone -Dolby Digital Live.........
S/PDIF-out on Back I/O Port
This motherboard provides convenient connectivity to external home theater audio systems via an optical or coaxial S/PDIF-out (SONY-PHILIPS Digital Interface) jack. It allows to transfer digital audio without converting to analog format and keeps the best signal quality.
http://www.asus.com/999/images/products/98/backIO.jpg

Sound output channel keeps switching by itself every few seconds

Hey guys, I have this sound output issue with my Macbook pro 2010 September version that every once in a while, the audio output would keep swapping between headphone, digital output and the speakers when NO headphone or digital output or what so ever is actually plugged in. During this time i am unable to adjust sounds, and my menu bar would become very slow to respond (the sound icon and Soundsource application would stop responding during this time). After a while (could be less than 10 minutes or last to about an hour, it varies), it returns back to normal by itself.
I've read many posts on Apple forum about this issue, but i haven't found a suitable solution. Also, I read that for most, when the audio output doesn't work it would usually be a output socket issue that there is a RED light in the socket. But for me, at times it has a RED light, at times, it doesn't, and sometimes the RED light would switch on and off by itself for a couple of times, depending on how long this issue lasts until it returns to its normal state by itself.
I have tried:
1. plugging the headphone into the socket and take it out quickly
2. Downloading Soundsource: i heard that Soundsource has an option of manually adjusting the sound output channel instead of letting the computer switch automatically, but unfortunately I downloaded the latest (2.5) version of the software and it doesn't have that option on my macbook pro.
3. I also tried Cmd + Opt + P + R
The result however is that none of this worked.
Does anyone have any suggestions?

I have both and haven't experienced this at all. Very strange. I do get a lot of random channel changes however when I put my iPad on the remote, the cat walks over it or the dog sits on it.
That being said, I don't use the Samsung remote at all for the TV and never have done. I dislike it and find it unresponsive. I use a different remote to change through the available outputs and the Vision remote for Vision and for switching the TV on and off.
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Multicast channels with optical sound output?

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