Built-in audio inputs and output don't respond to anything.

Hi there,
Maybe somebody can help me, I have a macbook pro os x 10.8, and i'm having a bit of problem.
I connected a cable to the line input, and before i had a chance to balance the high volume the whole software in the system preference froze, and now the built-in audio inputs and output don't respond to anything, also in the audio MIDI setup menu. The volume button moves extremely slow, and there is no sound at all. Anybody has any idea?
Thanks in advance

Apple store genius bar seems like you best bet.
Ciao.

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How can I use a different driver for audio input and output?

I did a search of course, and came up with something about an aggregate. I have no idea what this is, how to do it, or if it would even work for me.
What I am trying to do is:
1) Record into Logic Express using my Tascam US-122.
2) Have playback come out of my computer sound system, not the Tascam.
If I go over to the Audio setup window, I can only record when the driver is set to Tascam US-122. Likewise, I can only listen to sound when my Built-In Audio is selected. It gets rather annoying going between the two.
So, would this aggregate thing solve my problem? If so, how do I do it? Thanks for any help!
-allen

Yes it should do what you want.
Go to "Audio Midi Setup", and go to the Audio menu and click "Open Aggregate Device Editor". The interface is pretty simple but if you do get stuck, just use the help function in Audio Midi Setup, as it has a step by step guide.
Then when you return to logic, go to the Preferences>Audio>Drivers section and select Aggregate Device as the new driver rather than either the built in sound or the tascam. Then the inputs and outputs will apply to BOTH devices.

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Hello, I was wondering how to set-up my Mac Book so that I can use my bluetooth cellphone for audio in and audio out. Ideally, I would like to use my handset for talking on iChat and Skype. Has anyone had any luck doing this? When I bond my cellphone these optiosn do not appear. I know that this is easy to do on a Windows machine but I am not sure about how to do it on my Mac Book.
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Yes it should do what you want.
Go to "Audio Midi Setup", and go to the Audio menu and click "Open Aggregate Device Editor". The interface is pretty simple but if you do get stuck, just use the help function in Audio Midi Setup, as it has a step by step guide.
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I am trying to get audio to play through from the audio input to the audio output. I have plugged a line-level keyboard into the audio input and as I play it, it shows that it has plenty of input level in the sound panel of the system preferences. However, there is no sound coming out. I have tried speakers, headphones and the Griffin IMic. If I use a program like SoundStudio3 and click the audio "thru" button it works fine, but it does not work without.
Is there a THRU switch that I am missing somewhere? I tried the Applications/Utilities/AudioMIDI setup to configure it, but the Thru button at the bottom is greyed out (not in operation).
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2 GHZ intel core duo Mac OS X (10.4.8)

Hi Rich,
Welcome to apple forum.
In my opinion, I don't think OS X have the capability to sent the audio input "THRU" to output directly (I could be wrong).
You need to use Garage band or third party software like you mention before to allow it.
Maybe if you connect third party device that is "supported" the signal become audible and you can hear it. Like mBox using core audio driver.
http://www.apple.com/macosx/features/coreaudio/
Good Luck.

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Hello mac users.
I have one simple question: since the new macbook has one single audio port for both input and output, how could I, for example, play my guitar AND listen to the headphones at the same time?
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One of the first questions to ask...
Is the audio input stereo or mono?
When using a headset mic you're dealing with a mono input so you at least know the Mac is capable of that.
If it's mono, and I suspect it is, should be easy to either make or purchase a custom cable that has two female input connectors, one mono input and a stereo headphone input.
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pancenter-

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Hi, I tried to set up a new output audio device on my mac that would have multiple outputs (iBox Twist speaker and my internal speaker) but when I went to click onto one of the iBox Twist (there were 2 options available: iBox Twist and iBox Twist Stereo), Audio MIDI Setup crashed and when I finally got that back open, I found that there were no audio input or output devices to be found. My sound is working, as when I turn on my iMac, the starting sound still plays, however the volume control in the menu bar is no longer a black colour, but grey and when I try to change the sound on my keyboard it does not change. This already happened to me once, and after 3 hours I managed to fix it very simply (switching off Mac, unplugging power cord, leaving for 15 seconds, plug power cord back in and switch Mac back on, holding Alt, Cmd, P and R keys until you hear the Starting Up sound twice) however this same technique that fixed it once before is not working this time and I am still stuck without sound. I have tried Repair Permissions, rebooting in Safe Mode, Hardware Test and checking for Software Updates. Has anyone else had this problem and managed to fix it?
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In case anyone has had the same problem as me, I have just managed to fix this by doing the following:
Switch off Mac
Switch back on in Safe Mode (Hit power button, then hold Shift key until a loading bar appears at the bottom of the screen).
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The first things we need to know in order to be able to help are what are your operating system and audio device?
Also the FAQ Setting the Sample Rate in Windows Vista and 7 may help.

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I'm curious.... I've heard various things - but the sound did seem okay to me when I recorded straight into the Mac's input in the past. So... what is the problem with the Mac's inputs and outputs and why does everyone buy a sound card/device instead?

It seems rather odd that Mac fans generally take pride in owning high quality (expensive) machines but are happy ignore poor audio inputs and outputs.
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I'm looking for a utility that will switch the Sound preference settings between my Mac's built-in audio input/output device and my Bluetooth headset for use with applications such as Skype.
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Output = Line Out (or Digital Out)
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to
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Thanks, it works great.
It would be even better if one could define device groups. e.g. Headset, built-in devices, etc. I'll drop a note to the developer.

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you can connect the headset to something like this
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Hi Dennis
Logic Express seems to like a single source in and out, however you can get around this by going into Audio Midi Setup (Applications -> Utilities -> Audio Midi Setup) and creating an aggregate device with which you can choose separate input and output devices. Then, simply choose the aggregate device as your audio driver when you're back in Logic.
P.S. I assume this is still valid for LE8 as I havent got my copy yet
Good luck and may the force be with you
Sam

I have on;y one audio port can i use it for input and output at the same time?

i have the new macbook pro 13 in and i want to connect aguitar as input and output on an amp but i have only one audio port

You can't use the jack as an input and output simultaneously. The solution is to look for a USB or Firewire interface to get your guitar sound into the computer.

Input and output audio not working and no startup chime

The audio, both input and output, on my MacBook Pro has stopped working as well as the startup chime. Otherwise the computer starts up and seems to be working normally. Any ideas as to what the problem is and solutions?

Hey, my MacBook Pro has been doing the EXACT same thing off and on for a few weeks now.
I'm just now having time to browse the forums, so I've not even asked about it.
Yesterday it all started working normally - all sounds.
I'll follow this discussion for sure.
There definitely seems to be enough 'Mac-Daddy' Mac Helpers on here to be able to easily resolve this issue.
i.e.: Andreas! Just reading her stuff lets me know she REALLY knows what she's talking about & is able to explain the highly advanced info in terms people actually get!
Thanks for asking that question!
~dOiTdiGiTaL~

Built-in audio inputs and output don't respond to anything.

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