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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0
votes
1answer
2k views

AirPlay via AppleTV stutters on retina MacBook Pro but not iPhone 4

I recently got a retina Macbook Pro and I am loving it except for one thing. When I go to System Preferences > Sound > Output and select AirPlay while playing audio, the sound will often just stop or ...
1
vote
2answers
2k views

Macbook Pro w/ retina display connected to Dell U3011 monitor via HDMI - periodic error message about audio

I have my retina MacBook Pro running a Dell U3011 monitor via the HDMI port. Periodically, the monitor shows an error message: Unsupported audio format Please set the audio output on your audio ...
28
votes
6answers
28k views

Lowest volume is still too loud—how can I make it even lower?

The lowest volume I can get by pressing the volume keys is still too loud when I'm wearing headphones. How can I make it even lower? I have a Mac Mini 2011 (5,1) running Mountain Lion.
2
votes
4answers
19k views

“Play on” UPNP/DLNA device from OSX

I have a TV and an AV-receiver which are DLNA-capable and which are attached to my home network together with a Windows 7 desktop and a MBP running OSX Lion. I can access audio from both computers ...
5
votes
2answers
4k views

Volume control (sliders or keys) stops working after plugging into/out of headphone jack

I plug my machine into a projector/sound amplification setup regularly for teaching. Often, when I get back home afterwards, the sound volume controls no longer work. Neither the dedicated volume ...
1
vote
0answers
97 views

Have to reopen Chrome to have the sound again?

I don't know if anyone has this problem which is: When I connect my headphone or disconnect it from my macbook pro. The video, music in Chrome don't work anymore ( it's mute ). I have to reopen ...
1
vote
1answer
3k views

How does (stereo) sound work with Thunderbolt displays?

Apple's Thunderbolt displays, I understand, have stereo speakers in them. How does it work if you have two Thunderbolt displays plugged into your computer? Do both displays play the same sound, so ...
0
votes
1answer
1k views

MBP retina + Dell u3011 via HDMI: intermittent screen message about audio

I have a new Mac Book Pro (MBP) retina connected via HDMI to a Dell U3011 display. Every few seconds, but irregularly, the display pops up "MESSAGE Unsupported audio format. Please set the audio ...
0
votes
2answers
2k views

How to record audio over Powerpoint/OpenOffice slides?

Many times I've seen videos of people talking while presenting their slides. How is that done on a Mac? I know that I can do a screen recording with Quicktime, and I notice there are two options New ...
2
votes
2answers
718 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 ...
16
votes
5answers
37k views

MacBook Pro won't recognize my analog audio jack headphones. Help?

Periodically, my MacBook Pro 17" stops recognizing my headphones. No amount of unplugging and replugging seems to help. The sound settings never show headphones as an output device. How can I fix ...
0
votes
3answers
2k views

Sound turns off when Mountain Lion sleeps

When my Mac (running Mountain Lion) goes to sleep, it turns off my apps. For example, I was listening to music with VLC, and when it goes to sleep mode, VLC stops playing. What can I do?
4
votes
1answer
2k views

Sounds are not working on Mountain Lion Notification Center

Although I see an option in System Preferences > Notifications to enable applications to pop a sound on new notifications, Mountain Lion is not actually playing those sounds. Has Anyone run into ...
4
votes
2answers
3k views

No sound and volume icon

I have a Mac mini and the sound has disappeared. I have also lost the sound icon off the toolbar. I went to preferences for the sound and see that mute is checked. I can't un-check it because it is ...
4
votes
1answer
17k views

What is sound drift correction on OS X and how should I use it?

On Audio MIDI Setup there is an option to to enable/disable audio drifting for any sound output device? What is this and how should I use it? I do want to enable sound output for multiple devices: ...
4
votes
3answers
974 views

How to stream radio from the command line?

There is an iMac in our lab at university, running Mac OS X 10.7 Lion. It is never used, so we have taken to using it to play music, as we can SSH to it, and it does not require any permissions to ...
0
votes
1answer
2k views

Soundfonts in GarageBand: where can we select the .sf2 files?

I am trying to use soundfonts with GarageBand '11 (version 6.0.5). I downloaded 2 files from HammerSound, I put them in Library > ...Banks, and, in GarageBand, I created a new project, went to the ...
0
votes
1answer
2k views

Wireless headset audio input/output

I recently bought a Logitech H800 headset, and I'm having an interesting issue using it as an audio device via bluetooth. First of all, it creates two audio output devices: The first H800 device ...
1
vote
3answers
2k views

No sound from iPhone speakers when connected to a dock with line out

I've bought a (very cheap) dock for my iPhone 4, the dock has a line out jack on the back. I have noticed that when the phone is in the dock, the sound comes out only from the line out and not from ...
0
votes
1answer
123 views

Applescript won't play movie when waking from sleep

I have the following AppleScript, which is triggered by iCal to act as my alarm clock: set musicPath to the path to me as text set musicPath to text items 1 thru -12 of musicPath as text set ...
2
votes
3answers
1k views

How can I use my Apple earbud mic with the internal speakers on my Macbook Air?

When I plug my iPhone headset into my Macbook Air, the operating system recognizes both the headphones and the microphone. As a "side-effect" it disables the internal speaker and microphone. Is there ...
0
votes
0answers
531 views

How can I play a sound from the command line running as sudo?

While typing afplay danger.mp3 in the Terminal will play the .mp3, doing sudo afplay danger.mp3 or sudo su and then afplay danger.mp3 does not. Any idea why is this? How can I use the afplay command ...
11
votes
8answers
48k views

What is the impedance of the line/headphone jack on MacBook Pro Retina?

I want to buy headphones that I will primarily use on my MacBook Pro Retina. I read that I should not buy headphones with high impedance because the volume will be really low. I want something I can ...
0
votes
3answers
8k views

Connection Apple TV to the analog audio stereo speakers

I have a projector with HDMI connection and speakers with analog audio jack. I've bought Apple TV and I'm going to connect the projector with HDMI. However, I'm afraid I need to buy an adapter for ...
0
votes
2answers
736 views

MacBook Pro Lion + lavalier mic records nothing

How can I record audio using a lavalier mic and MacBook Pro OSX Lion? I have just opened my brand new Audio-Technica ATR-3350 Lavalier Omnidirectional Condenser Microphone. I tried to connect it ...
1
vote
2answers
3k views

How to get sound to headphones through my USB speakers vs. the internal speakers?

I have AKG headphones with a USB or dual prong jack that I want to use with my MacBook Air. I can plug them into the USB port but how can I get the sound to come through the headphones instead of the ...
5
votes
1answer
33k views

Free or cheap software to boost volume of Macbook? [duplicate]

Possible Duplicate: Do you know a simple sound booster app for Mac? What software can I use to artificially increase the volume of my Macbook? I know Boom and Audio Hijack Pro are solutions ...
5
votes
1answer
610 views

How to pipe output of 'say' to another command

'say' has both -o and -n arguments for various ways to direct the output, but I don't see any way to simply pipe the output to another command (say, sox). Is this a limitation of say, or is there a ...
0
votes
3answers
944 views

Since dropping my iPod, I can only hear music, but no vocals

My iPod fell on the ground this morning. Since then, I can hear the music but not the singers anymore! It sounds as though they were in the next room during the recording. As I listen almost only to ...
0
votes
1answer
144 views

MBP 15" Late 2011 Lion audio noise

Today I noticed something unusual on my MBP's audio. When I played some music on youtube today, I noticed that something was different. The sound is noisy, like when in a car, you put the volume very ...
4
votes
4answers
14k views

Macbook Pro Audio Input Not Working With Microphone

I am trying to connect microphone to my early 2011 17" MacBook Pro, but I cant get it working. MBP 17" has 2 audio jacks so I supposed the second one is for microphone but just doesnt work (Mac or ...
4
votes
3answers
778 views

How can I record sound in Mac OS?

Is there any simple application (or built-in in Mac OS) that allows me to record sound on a Mac? I'm referring not only to voice input through the mic, but also to sounds issued by the system.
2
votes
2answers
1k views

Share sound output to other macs via wifi/bluetook/magic [duplicate]

Possible Duplicate: Playing the same music on multiple computers Is there any way to share the sound output of a mac to other macs nearby either by wifi, or bluetooth or something? At work ...
4
votes
3answers
17k views

MacBook Air audio input/output, mic/headset

In perusing varying sources I have not reached a definitive answer on the ability to use a product such as the Headset Buddy on my MacBook Air. Apple states... Support for Apple iPhone headset with ...
4
votes
2answers
7k views

How can I send my computer's audio to multiple outputs?

I'm sending my system's audio to Soundflower, but I want to send it to my headphones at the same time. Is there any way I can achieve this?
2
votes
1answer
2k views

Connected a Cinema Display to MacBook Pro, recognizes sound output device but no sound

I connected my new Cinema Display to my MacBook Pro and the audio output device shows "LED Cinema Display" in Sound Preferences, and the volume controls work, but no sound is output. I tried ...
6
votes
5answers
12k views

Are there any car stereos out there that support AirPlay?

First, I understand that I'm walking a fine line but, to be clear, I am sticking to the FAQ and I am not asking for hardware recommendations. Instead, I simply want to know if there are any car ...
3
votes
2answers
1k views

How to find the source of a sound on an iPhone?

In the last few weeks my iPhone occasionally makes some kind of notification sound. It's not any of the built-in sounds, and I've gone through all the "Sounds" settings just to make sure. It's a ...
2
votes
1answer
343 views

ios 5 - exctracting sounds

Is there a possiblity to get / exctract alert and ringtone sounds (sound files) from iOS 5? I was also trying to find them elsewhere on the internet, but without any luck. Thanks
5
votes
2answers
5k views

Is it possible to echo what your mic records to the speakers?

When I talk on my Blackberry with a headset, it echos what I'm recording back into the headphones. This helps me hear my own voice when I'm talking, so I can regulate my volume. I'm wondering if it's ...
2
votes
3answers
2k views

Possible to play stereo sound through single speaker?

Here's my situation: I have a Klipsch Promedia 2.1 system and the left channel died. The left speaker works fine when plugged in the right speaker output on the sub. Right now I have both speaker ...
0
votes
1answer
143 views

Export from garageband to audacity

I want to export ALL the audio tracks from garageband to audacity. I searched on the internet and it is apparently not possible ( here for instance), or better it is possible but one track at time. ...
1
vote
1answer
845 views

Apps are muted on my iPad

I have a 1st generation iPad and it is doing a very strange thing. All the installed 3rd party apps are muted. Video and music playback works and audio is ok, but all other Apps are muted. Why is ...
2
votes
4answers
4k views

Audio meter tool?

I'm looking for an audio meter tool that will attach to any input or output on my Mac and show me the audio levels on that channel. I need it to show me independent levels for stereo sources so I can ...
0
votes
1answer
621 views

No output in right channel audio headphones

The right channel output cuts off and on when using headphones. The laptop speakers work fine. I have tried 3 known working headphones, a USB headset (connected via USB not using the audio jack), ...
1
vote
1answer
480 views

copy song info from mp3 file to aac file from terminal

I am trying to create a script that performs various conversions between formats of audio files. In one particular step, I use afconvert in Terminal to convert an mp3 to aac(mpeg4/m4a), but in this ...
4
votes
1answer
3k views

Does lossless audio over Apple AirPlay have preserved audio quality?

AirPlay is very convenient to bring up the sound on my big stereo speakers, but I am wondering whether the AirPlay protocol preserves audio quality, e.g. bitrate? I understand that if the WiFi is ...
0
votes
2answers
2k views

Why does running afconvert result in error -43

I am trying to use afconvert to convert a .mp3 to .m4r. I am entering the following: afconvert -f m4af -d aac -o input.mp3 tone.m4r However, this gives me an error: Error: Couldn't open input file ...
11
votes
4answers
43k views

If we use SoundFlower to record the system's audio output, then we can't hear it at the same time?

SoundFlower can let us play the system's audio to the SoundFlower 2 channel and record with this SoundFlower 2 channel, so QuickTime on Mac OS X Lion and record exactly what the system is playing for ...
0
votes
1answer
518 views

Automator action to adjust volume on audio files

I am looking for an Automator action (or an app with Automator support) that can adjust the volume on audio files (something like set to 150% of input file volume), preferably free.