The audio tag is used for questions involving speakers, microphones, connections between them and computers, and applications for dealing with it.

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3
votes
5answers
2k views

What can cause the volume keys to not work but show the prohibitory sign instead of changing volume?

When i try to reduce my mac book volume it suddenly shows that this isn't possible, even the icon in the menu bar is (grey inactive) This happens sometimes since i installed lion os
3
votes
3answers
2k views

Why does my computer freeze when I unplug my headphones?

Whenever I plug in or unplug my headphones into my computer, it freezes for about 10 seconds before it is able to do anything which is rather annoying. This didn't use to happen though, would anyone ...
2
votes
2answers
506 views

ffmpeg transcoding audio to MPEG-4 HE AAC instead of AAC

I have an Automator script that uses ffmpeg to re-encapsulate a video file into an mp4 container with its audio transcoded to aac while leaving the video as is. for f in "$@" do ...
2
votes
5answers
19k views

MacBook Pro (mid-2012) Microphone Input

Here, it says how to use the audio jack as in input. On my MacBook Pro 13" (mid 2012), It doesn't seem to have the option in settings. Is it not possible with these computers?
2
votes
2answers
972 views

What software can rip high quality audio from a DVD? (losslessly if possible)

In Mountain Lion, how do I rip only the audio from a DVD as losslessly as possible? I have several concert DVDs that I would like to listen to on my iPod. I have an extensive music library, which is ...
2
votes
2answers
508 views

Are there known DTS or Dolby Digital encoded videos readily available on Apple TV for testing?

I am trying to troubleshoot playback of discretely encoded 5.1 audio on Apple TV. It is apparent that Apple TV can "pass through" Dolby Digital (aka AC-3). Are there readily available video clips ...
2
votes
3answers
7k views

How do I tell if my Mac supports Mini Toslink?

Apparently on many modern macs the 3.5mm headphone audio jack supports Mini Toslink. How can I tell whether my mac supports it, whether it supports surround sound (4 speaker or better), and whether ...
2
votes
2answers
541 views

Using Garage Band sounds for commercial purposes

Im making a Drumming app for the iphone and the ipod touch. I was searching for good drum samples around the internet, but couldn't find anything fitting. Then i thought of garageband and its drum ...
1
vote
0answers
104 views

What cable do I need to go iPad audio out to macbook air mic in?

I have an iPad with various midi apps on it that I'd like to send directly to my MacBook air to record (in Audacity). I'm confused as to what cable I need for this. It appears to use the headphone ...
1
vote
1answer
6k views

iPhone won't ring, only vibrates

I have my iPhone5 set on "Vibrate on Ring" and the volume is not on mute, but when someone calls, it only vibrates. I've included it in Notifications Center, but that doesn't seem to do anything. Do ...
1
vote
1answer
469 views

OS X ML 10.8.2 sound from certain applications going to non-selected sound card?

I have a USB sound card hooked up to my Mac. This worked fine until this morning for some reason. I selected the sound card as the primary output device in the Sound Preferences. When I adjust the ...
1
vote
5answers
8k views

Why does my iPod Classic cut off the end of certain songs?

I have an iPod Classic from 2007 (Generation 5.5, 80GB hard drive). Something that I've been noticing happening more and more is that some songs will play just fine but then at some point they'll ...
1
vote
3answers
7k views

Does this Mini DisplayPort to HDMI connector output audio?

I'm trying to find a relatively cheap Mini DisplayPort to HDMI cable that also supports sending audio to an HDTV. Cables from Monoprice are out of the question, since they don't ship to Romania and ...
1
vote
8answers
29k views

Why won't my iPhone 4 play through my bose sound dock anymore?

It used to work, but now it doesn't. It now has iOS 5 on it. (I can't say for sure once iOS 5 went on it stopped working) When I plug it into the docking station I hear the audio click, the green ...
1
vote
1answer
973 views

iPod Touch 4G Video and Music capacity

This must be my undeveloped mind, but browsing through Apple's iPod Touch website, I could not find the capacity (in time) for video and audio recordings on the 8GB and 32GB models (not in Features ...
1
vote
1answer
1k views

5.1 surround sound via optical out without receiver

I have a 2010 Mac mini and I would like to output 5.1 surround sound from it. The optical audio out is the way to achieve this, but I don't want to have an audio receiver, 5 times bigger then the ...
1
vote
3answers
1k views

Playing music from the iPhone wirelessly to a stereo that doesn't support Bluetooth

I'm looking for a way to stream music from my iPhone to a stereo which doesn't support Bluetooth, but does support connecting a standard audio cable to it. For example, I can take a standard audio ...
0
votes
0answers
26 views

CoreAudio, SandBox & Kernel Errors

My console is littered with coreaudio errors. Will trashing the listed components, solve the problem? These are all of the logs that mention the word 'region':
0
votes
0answers
34 views

Macbook Pro - Plugging headphones into audio jack has no effect

I have noticed recently that plugging my headphones into the audio jack of my Macbook Pro (Retina) seems to have no effect -- the sound continues to come through the internal speakers (or bluetooth ...
0
votes
2answers
3k views

Output volume control isn't working

The sound volume in the menu bar and the volume button on my keyboard doesn't change the output volume when I connect headphones or external speakers on my MBP. When I go to System Preferences -> ...