CoreAudio seems very poorly documented and I could not find ANY code online that did not use that function. I would go with the deprecated function if it did what I wanted, but it doesn't. I'm unsure weather it's broken or just doesn't do what I think it does, but that really doesn't matter in the end.
I attempted to look at the comments on AudioHardwareSetProperty but all I found was this in the discussion section:. Note that the value of the property should not be considered changed until the HAL has called the listeners as many properties values are changed asynchronously. This is obviously not true, since I know for a fact that AudioObjectGetPropertyData is used for getting information about one specific audio device.
How to quickly change audio output in OS X
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I attempted to look at the comments on AudioHardwareSetProperty but all I found was this in the discussion section: Note that the value of the property should not be considered changed until the HAL has called the listeners as many properties values are changed asynchronously. Is what I am trying to do possible with CoreAudio? The docs you quoted presumably just have a copy-paste error. Those functions are not just for one specific audio device, they are for modifying properties on any Core Audio device, including the system object kAudioObjectSystemObject.
The following comments are owned by whoever posted them. This site is not responsible for what they say. I wrote a similar Applescript to switch back and forth from my iMic connected headset. All that GUI scripting discovery was hard for this noob! SoundSource rules!
And a more Tiger-compatible version 1. Hmmm I've had problems making this work after all. It was working when I had the prefpane already opened and had the sound Output tab opened, but not from the ground up like it normaly runs in the morning As I rely heavily on this script I couldn't afford for it not to work, even if it meant to manually select the output. So I dropped it for a while.
But also caused me problems as I tend forget to do the switch I have a back up "buzzer" alarm, but it's usually not enough. Otherwise the script grabs the items from the Alert sound list instead of the Output list! This script is very useful Your c program works like a charm! I created a QuickSilver trigger that runs a shell script that toggles the audio device using your command.
I also have installed the growlnotify program that comes with growl. I activated quicksilver my trigger is alt-space and then pressed ".
This will run the commands that were entered into QS's text buffer. I activated QS again and pressed command-' quote to get the trigger configuration pane. Then I added a trigger by clicking on the plus icon down on the popup window. This lets you choose which command to run, but the default is the one you just ran, so just add it and pick a nice shortcut I picked control-alt-command a QS rocks!
I also made a command-line utility, just a cli wrapper around some of SoundSource's code, which I talked the Rogue Amoeba guys into releasing. I have a pair of Bluetooth headphones that can act as both a mono and a stereo audio device. The command-line SwitchAudioSource is great! Hope it helps someone. Edited on Feb 11, '10 PM by bnaro. Forgot to add: I'm using growl to notify the switch.
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macOS Sierra: Resetting Your System Sound Effects Output - The Mac Observer
The second script could be simplified a lot: reveal anchor "" of pane id "" reveals a specific tab You don't have to make System Preferences frontmost or visible You could use a single expression to select the UI element to click tell application "System Preferences" reveal anchor "output" of pane id "com. Search Advanced. From our Sponsor Latest Mountain Lion Hints Users new to Macs don't need to sweat learning microphone, equalizer, and sound settings.
Here's a quick tutorial describing each sound element's location and operation on a Mac. New Mac users can quickly familiarize themselves with audio configuration options and settings. Unlike most standard Windows keyboards, Apple's elegant Bluetooth-enabled Magic Keyboard and integrated laptop keyboards offer immediate access to muting, lowering, and raising sound volume. A Mac's F10 key mutes volume, while F11 and F12 incrementally lower and raise volume, respectively.
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Mac users can place a shortcut icon for the volume control on the Mac's menu bar. Subsequently clicking the menu bar's volume icon prompts a pop-up window to appear from which the slider button can be raised or lowered to adjust the Mac's output volume. A Mac's volume can also be adjusted using the slider bar found on the Sound Effects tab, where users can opt to mute volume by checking the corresponding box.
follow url Anyone having trouble locating System Preferences on a Mac should scan the Dock for the bold gear icon. If the System Preferences icon is not present, click Finder, select Applications within the Favorites submenu, and double-click the System Preferences entry. When multiple output devices are present, use the Sound Effects tab's drop-down box to specify which device should be used when the computer plays back sounds. Two additional options are present on the Sound Effects tab. The Output tab Figure B displays the sound output.
Built-in speakers or headphones, if connected, will appear within this Output window. Macs automatically adjust and update the display to reflect connected devices. For example, my MacBook Air displays built-in Internal Speakers as the output unless I connect headphones, in which case the display updates to read Headphones. The Sound's Output tab notes the headphones are not built-in and updates the Type field to confirm the headphones are connected to the headphone port.
Even seasoned professionals I've met forget a Mac's balance control is present on the Sound pane's Output tab.