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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4
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0answers
2k views

El Capitan drops USB-connected speakers

I've been running the Beta for El Capitan for a while now, but since the OS got officially released today, I feel it's okay to ask a question. FYI: I'm running the GM. I have an iMac with a Bose ...
4
votes
0answers
188 views

Higher kernel_task CPU usage when playing audio through Thunderbolt Display

I noticed today a higher kernel_task CPU usage when playing audio through Thunderbolt Display from my Macbook Pro (early 2011) on OS X Yosemite. Although the CPU usage is not very high (15 - 20%), it ...
4
votes
0answers
3k views

Choppy bluetooth audio: How to persist bluetooth bitpool settings on Mavericks?

I am using a Bluetooth 3.0/aptX Audio Device. Pairing the device leads to choppy audio, due to bad default bitpool settings in OSX. The issue has been widely documented, e.g. here on stackexchange. ...
3
votes
0answers
42 views

Why does OS X mangle the playback of this MP3?

Here's an MP3 I have. My iPhone plays it back with no problems. VLC on OS X plays it back with no problems. iTunes plays it with annoying bleeps and bloops, some kind of errors or artifacts that are ...
3
votes
0answers
99 views

Why are there empty circles next to these voice memos in itunes?

I am having a problem finding voice recordings in my iPad. I already had this problem on my phone and none of the blogs nor threads on Apple's site have worked. I upgraded to iTunes 12.1.2.27 On my ...
3
votes
0answers
344 views

Disable Automatic Gain control in Google Hangouts

I'm using the latest version of OSX with Google Chrome and Hangouts. I'm having trouble with the Hangout's automatic gain control, in that I don't want to use it. The gain control is too dumb to ...
3
votes
0answers
355 views

Audio output limiter for Mac? NOT volume control

I'm often victim to some loud sound playing on my computer all of a sudden when I have my volume level turned up already to watch a quiet video. I can't turn everything down to the level of the ...
3
votes
0answers
15k views

What is the easiest way to play webm in Safari? Perian doesn't work

I want to play webm in my website but I don't know why it doesn't play. I installed Perian and ffmpeg but none helps. Is there any simple pluging/codec as the one existing for IE? Well it actually ...
2
votes
0answers
41 views

USB Microphone way too loud

I recently got a USB Microphone and no matter what I do, the microphone is way too loud. I lowered the input level in system preferences to be as low as possible without being off and it's way too ...
2
votes
0answers
47 views

FaceTime dims all other audio during video calls – how to stop that happening?

Is there a hidden preference or something I can get at through defaults write? I'm running El Capitan 10.11.2 Beta (15C31f)
2
votes
0answers
277 views

How to stream audio from VLC to AirPlay speakers?

My configuration looks like this: MacBook with EL Capitan AirPort Express 802.11n (2nd Generation) speakers connected to AirPort's audio port using mini-jack On my MacBook I switched audio output ...
2
votes
0answers
770 views

Updating to El Capitan wiped out Soundflower presets

I just finished updating my OS X to El Capitan, and when I went to open AU Lab, it said the Soundflower input and output could not be found. I checked system preferences and both Soundflower 2ch and ...
2
votes
0answers
54 views

Sounds on my MacBook Pro I can't identify-

There is a sound constantly playing on my MacBook Pro laptop. When I connect to the internet, this sound which seems to be a bouncing ball with a spring is always playing in the background. I can be ...
2
votes
0answers
33 views

How do I set up different audio sounds over different speakers simultaneously?

so I have a MacBook Air 2013 running OS X El Capitan connected to an external monitor. I figured out how to play audio on both my macbook's and external monitor's speakers simultaneously. The bass and ...
2
votes
0answers
109 views

Which Applications are accessing the microphone in OS X?

I want to list the application names / process ids that are accessing any microphone / sound input device. This would be great if it were a Terminal command (like lsof) but even an application would ...
2
votes
0answers
518 views

Clean uninstall of AU Lab?

long long ago through updates or whatever apples AU Lab stopped working on my MacBook Pro. Every attempt to reinstall, even latest version didn't bring it back to live. Currently a new attempt is made ...
2
votes
0answers
358 views

Creating 'fake' microphone and camera inputs on an iPhone

On my mac, I can use software like CamTwist and SoundSiphon to create 'fake' webcam and microphone inputs. CamTwist lets me pipe custom content (such as images or video) to that webcamera input, and ...
2
votes
0answers
276 views

How do I shut down Pandora completely?

I have been shutting down Pandora using swipe-to-close to deal with its high battery usage. However, I've recently found that it's still somehow active in the background. I have my phone synced to my ...
2
votes
0answers
87 views

App-specific sound output devices

I am looking for a control / app for sound output control which has function that allows me to have selective sound output for any app that plays sound or music. Examples: I am playing music in ...
2
votes
0answers
31 views

Is there a way for the iPad wireless keyboard to make typing sounds similar to what the on-screen keyboard makes?

Is there a way to have a wireless keyboard produce the soft tapping sound effects that the on-screen iPad keyboard makes? The point is that I want to be able to type and not look at the screen at all ...
2
votes
0answers
175 views

Apple TV > Mac Mini audio passthrough

The Mac Mini has an optical input and an optical output. I want to route the audio from my Apple TV through my Mac Mini and then back out to my receiver. This way both devices are connected without ...
2
votes
0answers
44 views

Is it possible to send audio through both the headphone out jack and line in jack on my MacBook Pro?

Is it possible to send audio through both the headphone out jack and line in jack on my MacBook Pro? My reason for doing this is because I'm trying to monitor audio on headphones on a mixing program ...
2
votes
0answers
129 views

Prevent bluetooth from auto connecting to certain devices

I use a MacBook Pro, 99% of the time with a bluetooth Apple Magic Mouse, so I don't want to turn bluetooth off. I have an Onkyo sound system at home, which everything goes through, and also accepts ...
2
votes
0answers
106 views

Console command recAudio is broken in modern iOS

A while ago I used to use the recaudio console application provided by Erica Utilities, installed in Cydia on jailbroken devices. It doesn't seem to work any longer, which isn't terribly surprising, ...
2
votes
0answers
186 views

Permanently enabling volume control for audio interface that doesn't support it

I use an audio interface (namely a Roland Edirol UA-5, but that doesn't matter) which does not support volume control. I can only control the volume with the physical volume dial on the audio ...
2
votes
0answers
56 views

Change Default Audio Device

This is a simple, but annoying case; I have a set of Bluetooth headphones that I use with my computer when I want to watch something late at night, or just to avoid disturbing anyone, and they work ...
2
votes
0answers
237 views

Can't enable AirPlay system-wide, but it works in iTunes 11

I can enable AirPlay from iTunes to my Apple TV and it works great. In the system-wide audio output devices, the Apple TV is also listed. When I click on it to select it, the selection immediately ...
2
votes
0answers
209 views

Audio Recording iPhone app with hardware button control?

I'm looking for an audio recording app (like Voice Memos) that has hardware button support. Like how you can press one of the volume buttons in Camera to take a photo. For use on a standard device ...
2
votes
0answers
33 views

Run script when I connect something to the line in port?

I'm connecting my phone to my mac via the line in port to listen to podcasts. I'm using the app LineIn to do this and I was wondering whether there was anyway I could have: My audio input be set to ...
2
votes
0answers
5k views

Did Mavericks solve the Safari Airplay delay?

I have a first gen Airport Express (from 2008) and use it with Mountain Lion. The connection chain looks as follows: MacBook Pro -> WiFi (802.11n) -> Airport Express (receives Internet via DSL ...
2
votes
0answers
98 views

Censor bleep keyboard shortcut

I want the censor beep that you hear on TV to play continuously as a system sound when I hold down F12 on my MacBook. I make screen recordings for YouTube videos. Because I have brothers and sisters ...
2
votes
0answers
1k views

Facetime mutes all other sounds after Mavericks OS update

I like to FaceTime and watch movies, Youtube clips etc. at the same time and I have been able to do this perfectly up until the Mavericks OS update. Ever since the update for some reason when I'm ...
2
votes
0answers
128 views

iPhone 4s speakers stopped working

During a FaceTime call I suddenly had no sound. It took me a while to realize it wasn't just on FaceTime, but no ringer, no music, no keyboard clicks. It does not say headset when I turn volume up ...
2
votes
0answers
688 views

Boot Camp and Intel HD Audio

I've recently encountered an interesting audio problem, using OS X with a Windows partition (via Boot Camp). Specifically, if the Windows partition is used, and then the computer is restarted into OS ...
2
votes
0answers
310 views

How can I disable ducking for all voice-overs in iMovie?

On my videos I always do voice-overs where I keep the other audio tracks at full volume (no ducking). I know how to set the ducking for individual voice-over clips, but this takes about six extra ...
2
votes
0answers
2k views

Windows7 (through bootcamp) poor sound quality problem

I installed windows7 through bootcamp on my macbook air(2011). (and also installed windows driver from bootcamp) Everything is OK, but one problem - Sound quality is very poor. (maybe phone or radio ...
1
vote
0answers
11 views

MacBook Pro Internal speaker has just stopped to sound (but startup chime sounds)

The internal speaker of my MacBook Pro suddenly stopped sounding. I just tried PRAM reset, but it doesn't work. The audio works when I plug in earphones and goes when plug out. I don't think, it's ...
1
vote
0answers
13 views

How to prevent iTunes/QuickTime Player playing both the main (5.1 AC-3) and backup (2.0 AAC) audio tracks at the same time?

I have created for myself a build script to automatically import films into iTunes, making sure that they have compatible audio/video tracks. This generally means that if the input video track isn't ...
1
vote
0answers
32 views

The process of making custom notifications, iOS GarageBand, iTunes database, iTunes file format, AppleScript

I'm developing an iOS and Android app which uses custom notification sounds to provide users with step-by-step instructions. I've recently stepped through a pretty messy process of creating these ...
1
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0answers
26 views

Making a FaceTime Audio call using AppleScript

I have read through Make a FaceTime call using AppleScript, but the provided solution is for starting a video call. I am wondering if that solution can be adapted to make a FaceTime Audio call (and by ...
1
vote
0answers
26 views

How much of the range can be used when creating audio caff files?

I'm creating some sounds to use on an iPhone app, using 8K samples/s, one channel, signed 16-bit linear. All done programmatically, as in C code to output RAW then using sox to convert to CAF. The ...
1
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0answers
21 views

Prioritize Wired Earbuds Over Bluetooth?

I have a somewhat humorous but annoying problem. I'll on the phone using the standard wired earbuds, then my wife starts the car in our garage downstairs. Since the phone is paired to the car, the ...
1
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0answers
25 views

Is Siri's audio wave a correlogram?

Back in the days of the Macintosh IIfx, when Dylan was going to be the Next Big Lanugage, I saw a video of a research program on voice recognition at Apple. The research claimed that the key to ...
1
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0answers
28 views

Afconvert & 5.1 audio: “transcoding multichannel audio may not handle channel layouts correctly”

Whenever I buy a Bluray, I convert it to an mp4 using a combination of makemkv and ffmpeg. This allows me to store my films on a single large hard drive without using up shelf space I don't have. I ...
1
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0answers
23 views

List core audio devices

Using some old audio software that has buggy dialogs and I can't seem to be able to properly select my sound card. It just would stop responding when I click it. I found the software has a ...
1
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0answers
102 views

Can ffmpeg merge multiple m4a files into one ~chapterized~ file?

Given a folder full of 'm4a' files, I can merge them all into one big m4a file using ffmpeg like so: ffmpeg -f concat -i <(for f in ./*.m4a; do echo "file '$PWD/$f'"; done) \ -c copy ../OUTPUT.m4a ...
1
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0answers
63 views

Can iPhone produce a ringtone sound in vibrate on silent and Do Not Disturb modes, or automatically switch on sounds when in Do Not Disturb?

Is there any way for the iPhone to produce a ringtone sound even if it is set to silent mode with "vibrate on silent" Sounds setting, particularly while also in Do Not Disturb mode? Here is a more ...
1
vote
0answers
117 views

Switching HDMI input to Apple TV causes crackling noise and strange video

When I switch HDMI inputs on my TV from Tivo or Blu-ray to a sleeping Apple TV (4th generation, with apps), I get nasty crackling electronic interference noise on the sound system plus weird ...
1
vote
0answers
15 views

Car dock interference on 6s

I bough one of these (xcarlink) to be able to listen to spotify and podcasts in my car. After installing it I have some static when listening to pod casts and other things with non-continuous sound. ...
1
vote
0answers
25 views

Setting Up Ecler Evo 5, MPC 5000 and Pro Tools 12

I'm trying to set up the Ecler Evo 5 to read the Akai MPC 5000 via MIDI, and Pro Tools 12 to read the Ecler Evo 5 via FireWire. If anyone has a similar set up and knows the way to make these ...