Transfer audio signal to LINE-OUT connector

Hi all,
Is there any way to transfer the audio signal which is generated by means of a Built-in speaker on the motherboard to the
Line-Out connector?
Baiscally, i want to acquire the voltage signal and view it on the oscilloscope. But the problem is that
the signal is not on the " LINE-OUT Connector ", it is on the buit-in speaker on the motherboard.
Any help will be greatly appreciated.

Hello,
Are you using LabVIEW or other National Instruments products to acquire or analyze this signal or are you simply wanting to pass the sounds generated from the on-board speaker to the line-out connector?
Thank you,
Justin
Justin
National Instruments
Product Support Engineer - Conditioned Measurements

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Digital Audio In to Line Out Not working.

How do you route digital Audio in to Line out? I have a 2010 Mac Pro, running digital in and have validated it's a good signal. No sound through the line out.
In the interim, i've used Audio Hijack to route it through the line out with no issue. I'm confused as to why i must use this 3rd party product to route the audio. Any ideas, this can't possibly be a new problem.
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Are you asking if it has that?
http://www.apple.com/mac-pro/specs/
says:
Combined optical digital audio output/analog line out minijack
Which means it does.
On all but the earlier Mac Pro models, this has been standard since the iMac G5.
Mac Pros earlier used SPDIF.
These are now mini-Toslink.

Audio alone line-out good...Audio w/video line-out weak

Trying my new 5th gen iPod today on my home audio system.
Using a 3mm miniplug to the line-out on the Universal Dock, audio by itself is very good, bumping the LCDs on my old Sansui equalizer all over the place.
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You might want to right click that file in iTunes and go to get info. Click the options tab. See if adjusting the volume level there and then syncing your iPod helps.
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Digital audio-in to line-out?

Hello all,
I've just got myself a PS3 and am wanting to route the digital audio from my PS3 to the Mac and out to my speakers. I have the optical cable going in the digital-out of the PS3 and in to the digital-in of my Mac Pro. Looking at the Sound preference panel, I'm getting a signal because the input signal is flickering. I can't seem to get any audio out from it though. Digital-in is selected but am having no joy.
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When I run AudioHijack Pro and route the audio from digital-in, it works fine. Also, viewing the input page on the sound preference pane, the input level shows activity so I know sound is working. However, I can only route audio using audio hijack pro.

Is the iPhone4 dock line out dif from iPods?

My SendStation dock connector, which works on iPods, exhibits no audio from the line out connector
when connected to my new iPhone4.
Just in case, I made sure that the USB connector is also connected.
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Google does show a few people having very low line out audio level problem.
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Mitch

When I bought my first iPod (a 40GB hard drive based model) it came wth a dock. have used that dock over the years as I upgraded to a 5th Gen iPod, then a first gen iPod Touch, an iPhone 3G, a 3rd Gen iPod Touch, and now an iPhone 4. All my devices seem to work about the same in that very old dock. Only the hard drive based devices fit it properly, but the other devices stll plug n (with plenty of free space around them) and play just fine.
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I have my home stereo connected to my MacPro through a USB interface device called a "Stereo Link 1200." It's something I bought years ago, when I was still a PC user and the audio output from Soundblaster cards left a lot to be desired. This unit connected via USB directly to the motherboard and produced a strong, clear audio signal.
So when I switched from a Dell XPS to a MacPro about a year ago, I replicated the setup, connecting the stereo link via USB, and all is well.
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I do just what you are describing about with no problems. I use one of the alternate video inputs on my receiver.
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Line-out audio signal of 6G (sixth generation) iPod Classic (120GB)

I suspect that the audio signal that comes out of the Dock Connector of the 6G (sixth generation) iPod Classic (120GB) is not a line-out. Because like the iPod Nano the 6G iPod Classic outputs a signal that can be made louder by turning up the volume from the click-wheel.
Is this true? Am I getting the same signal from the dock as what I have on the headphone port?
For music on the go this is not an issue but if the iPod is one of many sources going into your hi-fi amplifier the experience will be frustrating!
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Message was edited by: swake
Message was edited by: swake

Swake
I have an iPod Classic 120GB and have just connected it to the dock that came with my old iPod Photo (using a piece of cardboard as a dock adapter because, for some reason, the dock design must have changed and the dock adapter that came with the classic won't fit).
I can state that changing the volume level on the iPod has NO effect on the volume coming from the line out of the dock. The line out volume is also much louder than the loudest volume I can get from the earphone socket.
Regards
Mart

How do you route the line-in audio to line-out on Mac Pro (10.6.8)?

New to Mac. Seems like it should be a straight forward deal, but it's not obvious how to make this happen. I can tell the audio is coming in, as the input levels are reflected under System Pref's. But I can't hear the audio on the line-out speakers and there doesn't seem to be an option to explicity route the audio. Probablly missing something simple. Any help would be appreciated.

You can do this without buying or using 3rd party s/w. Use GarageBand this way:
1. New, Empty Project
2. On the next screen, choose:
     a. Audio, Line In
     b. Input 1+2
     c. Check the "I want to hear my instrument as I play and record" option
     d. "My instrument is connected with:" - Built-in Input
     e. "I hear sound from;" - Built-in Output
     f. Click "Create"
3. You should immediately hear sound; you don't have to record anything.
4. If you don't see green bars on both the Audio 1 track and the master volume (top right), something is either wrong with your input or the steps didn't work for you. To redo the steps, choose "Track, Delete Track" from the menu and try again.
IMPORTANT: Make sure that all of the needed volume controls are up high enough to hear something:
1. Audio 1 volume and Master Volume sliders in GarageBand
2. Volume slider on Apple main menu, speaker icon not muted
3. Volume on input device (e.g. iPhone)
See how you go
P.S. I do it on a mac mini but it shouldn't be any different
Message was edited by: SilverSkyRat

Sound problems with back line out port

Hey everyone, I just sent an email to MSI Tech Support, but figure I would post a message here as well. I just put together a new system, but I'm having a problem with the back line out port.
My problem: When I plug in the front panel audio connectors (Left Audio Out, Left Audio Return, Right Audio Out, Right Audio Return) in the motherboard on pins 5-6 and 9-10 of JAUD1, the back line out does not work properly. I get sound on only the right speaker of the headphones.
More info:
- Audio Driver: 5.10.0.5620 (from MSI CD)
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- My Windows sound settings are fine
Has anyone heard of this problem? Any ideas/suggestions of what I could try?
Could this be a defective board? Could it be bad wires on the case? Seems unlikely since both back line out and front line out work depending on what I have setup.
Help! :-)
Thanks,
icab

Quote
Originally posted by Steve F.
You could try:
1. Read the manual
2. Search this forum.
Rear sound problem
Third time this has come up in 1 or 2 weeks.
Steve,
I appreciate the reply, but I believe you are wrong. Yes, I have searched the forum and did find that thread. Yes, I have read the manual. The only thing that it says is: "If you don't want to connect to the front audio header, pins 5 & 6, 9 & 10 have to be jumpered in order to have signal output directed to the rear audio ports. Otherwise, The Line-out connector on the back panel will not function." That's not my case since I want both ports to work (not outputting the signal both at the same time, obviously).
This can't be ByDesign. Either my board is defective or MSI is not following the Intel Front Panel I/O Connectivity Guide correctly. The whole point of having 4 wires for the front panel audio ports, 2 of the wires being Aud_Ret_R and Aud_Ret_L, is so that the audio signal is sent to the front line out and _returned_ to the back line out if nothing is plugged in the front line out.
I have an IBM machine with an intel mobo at work and it works as mentioned in the design guide.
Any other ideas, anyone? I can still RMA my motherboard, but it's a design issue, i guess I'm stuck. I never got an automated reply from MSI Tech Support, so I guess my email never went through. I'll send another email and let the forum know of the results.
Thanks,
Igor

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I just got a new Nano and Nano dock....when trying to connect it to my home stereo with the dock and lin-out connector (using a mini to dual RCA jack adapter), I get absolutely nothing on the stereo. The dock is plugged into the wall with a USB power adapter and shows charging so there is power to the dock.
Other devices into the stero work on those inputs so it is working fine. Are there some option settings somewhere that I have to enable to get the the Nano to enable that line out port on the dock?

I think I have figured out what is happening.
I had the same problem, and couldn't understand why the supposedly fixed line level was so extremely low suddenly.
As it turns out it is possible to change the volume of the line out signal using the normal volume control even when the nano is in the dock!
When the nano is placed in the dock the volume is pre-set to the correct one, BUT if you manually turn the volume up to maximum level, then the line out signal is muted!
I guess the volume should really be fixed, or at least not adjustable via the normal wheel, when the nano is in the dock. Why max level mutes line out is anybody's guess...
(I use the new universal dock.)

IPod Line Out Problem

I have my iPod connected to my car stereo to play music via the line out signals. It is powered / charged via USB connections on pins 23 (USB power), 16 (USB Ground), 25 (USB Data -) and 27 (USB Data +). It sends line out audio to my stereo via pins 2 (Common), 3 (Line Out Audio Right), 4 (Line Out Audio Left). Pin 11 is connected to Pins 15 and 16 to send the audio to Line Out rather than the onboard speakers. Pin 21 is connected to Pin 15 and 16 via a 68K ohm resistor to avoid error messages. When docked the charging works correctly but the audio signal will switch between Line Out and the onboard speakers. It will start by sending music via Line Out but after 20 seconds it may switch to the onboard speakers. After another 20 seconds it may switch back to Line Out or it may continue to play via the onboard speakers. Eventually it will usually switch back to Line Out but it may take a long time. The fact that it repeatably switches back and forth after 20 seconds is interesting. It's like it is checking to see what mode it is in and it's not seeing what it should see. I've checked and reworked all of my connections several times. I still can't eliminate this problem. Any idea how to correct this? I would really appreciate some help!

EDIT: I just tried headphones instead of my home dock and had the same problem...is my headphone jack bad?

Audio stereo signal split into 3 or 4 stereo audio signals (in one single clip)?

Hi,
facing massice transcoding issues when exporting a project I had to analyse the involved video/audioclips...
and found out that for some of the video clips the audio signals have been split into even 3 or 4 complementary stereo channels.
Note: Each channel contains just a part of the original signal. This is obviously due to cutting action ...
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Audio line out port (Apple iPad Dock Connector) not working Iphone 4 os 4.2

For my new iphone4, the audio line out port (Apple iPad Dock Connector)is not working. Both using a cable to mini jack (3,5 mm) or in dockingstation.
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I just came back from the Apple store. My iPhone4 DOES have a working line out when plugged into a Apple name brand dock connector. I don't know why my SendStation refuses to work only with the iPhone4 yet works with iPods, etc..
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I have a Sendstation pocketdock:
http://www.sendstation.com/us/products/pocketdock/lineout-usb.html
I use the line out with other iPods including 4G ipod and 2G Nano with no problems.
But when I use the same Pocketdock with the iPhone, audio does not go through the line out, audio keeps coming out of the iPhone.
Is there a way to force audio out the dock/line out?

Folks,
on Nov. 29, 2007 we have begun shipping a revised PocketDock Line Out USB, which is now iPhone-enabled. We have also revised the 1/8" stereo plugs on the included cables, so they are now thin enough to fit the iPhone’s recessed headphone jack.
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+President, SendStation Systems+

Transfer audio signal to LINE-OUT connector

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