This will require you to input your email and name to get a link to the download. However, for installation we will want to go to Existential Audio’s website to get the latest installer. Install BlackHole with the Downloadable InstallerĪs a free open source software, BlackHole is offered on GitHub and you can download the source code directly from the releases page here. If you are unfamiliar with Homebrew, you can check it out here (it’s a really awesome package manager that you can download and update software easily). However, you can also install with Homebrew. For the standard way to install, you can download the installer. In order to install BlackHole, we have a couple options. Compatible with macOS Mavericks (10.9) to macOS Big Sur (11).Supports 2, 16 or 64 audio channels versions.Since MacOS does not provide a native way for users to get the internal/system audio, a third party solution (BlackHole) is required.īlackHole offers a suite of professional features for grabbing audio data: It is developed by Devin Roth / Existential Audio, and is commonly used to route audio to different applications. What is BlackHole for MacOS?īlackHole is a modern, open source virtual audio driver for MacOS. In this article we’ll go over how to install BlackHole and how we can use it to record the system audio on our M1 Macs. More experimentation is needed here.I’ve been in the professional audio space for quite some time now, and BlackHole is my go to recommendation if you need to access the system audio on your Mac. I don't know why this sometimes happens, because when I use some other Multi-Output Devices I have created that also includes my other computer connected via Thunderbolt in Target Display Mode, I can magically use the volume media keys as normal. But sometimes, the volume icon in the menu bar is grayed out and the volume can only be manipulated in Audio Midi Setup. Volume resetting to zero wouldn't have to be a big problem, if the normal volume controls (media keys and menu bar volume icon) worked as usual.There's quite a few tabs here, and the volume sliders on one of them may have been reset to zero. Be sure to check all tabs (Input/Output) on both the aggregated Output device and and its aggregated sub-devices. Check if the volume has been reset for the Multi-Output Device or any of it's sub-devices in Audio Midi Setup.It has stopped working a few times before, and while I haven't exactly identified how to mitigate the issue, I have noticed that something of the following may have helped to get it working again: When originally composing this answer, I couldn't get it to work even though I hadn't modified the setup that was working the day before. HOWEVER, while the above will work at times, I have noticed that the behaviour of Soundflower can be erratic from time to time. Tip: You can also change the Input/Output settings by holding ⌥ ( alt/opt) and left-clicking the Volume icon in the OS X menu bar. Now that you have created a Multi-Output Device, go back to System Preferences > Sound and select it on the Output tab as in Step 2. Now you can hear audio as usual while routing the Output into your Input via Soundflower. Mark to use both your Built-in Output and Soundflower (2ch). Press the + button in the bottom left corner, and press Create Multi-Output Device. It's located in your Applications folder under /Applications/Utilities. your Built-in speakers or attached headphones), you need to open the native OS X application Audio Midi Setup. If you want to hear the audio while it's playing on your normal Output device (e.g. You are now routing your Output to Input, and will be able to record the audio playing to an application like QuickTime, Evernote or Just Play Record. If you're okay with not having to hear the output yourself, you can now go to the Output tab and select Soundflower (2ch). If you want to route the audio and hear it yourself at the same time, skip to Step 3. Go to the Input tab and select Soundflower (2ch) as the input device. Step 1Īfter installation, a new device will be available in System Preferences > Sound. It does this by routing your audio output as an audio input to the system. Soundflower is a virtual audio device for OS X that can pass audio from applications to other applications. Again, it is a paid product with a trial mode. It solves some issues with Soundflower, like reenabling volume up/down via the Mac media keys. Rogue Amoeba, the previous maintainers of the open source Soundflower project, has a new (paid) application called Loopback which seems to be easier and more dependable to work with than Soundflower.
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