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ExistentialAudio/BlackHole

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BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

20 mentions on Hacker News by 19 people: 3 stories, 17 comments · first 2019-10-29 · latest 2025-08-26

Mentions per year 20 mentions · busiest year 2021 (7)
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  1. …reasons. But there are a number of open source solutions as well, I mainly use BlackHole: https://github.com/ExistentialAudio/BlackHole
    comment by svantana · 2025-08-26 · in A bug saved the company
  2. Have you tried Blackhole? It’s a loopback device for macOS. https://github.com/ExistentialAudio/BlackHole
    comment by tiimbz · 2024-06-05 · in Popular Mac app 'Bartender' acquired by new unknown developer
  3. ▲ 339
    BlackHole: macOS Audio Loopback Driver
    story by ckcheng · 2024-05-06 · 125 comments
  4. …macOS, instead of iShowU Audio Capture Device, one could also use BlackHole, which is open source: https://github.com/ExistentialAudio/BlackHole And can be installed with brew: brew install blackhole-2ch
    comment by notpushkin · 2023-03-09 · in Show HN: Lofi, a Tiny Spotify Player
  5. https://github.com/ExistentialAudio/BlackHole
    comment by footlooseboss · 2022-11-29 · in A curated directory of 700 Mac menu bar apps
  6. …top menu bar. Now both the speakers as well as the BlackHole audio device will receive audio. [1]: https://github.com/ExistentialAudio/BlackHole
    comment by LaputanMachine · 2022-08-27 · in Tool beeps every time data is sent to Google
  7. …are open source[3] alternatives[4] but I haven't tested them. [1] https://www.noteburner.com [2] https://github.com/ExistentialAudio/BlackHole [3] https://github.com/jwallet/spy-spotify [4] https://github.com/richardk80/spotify-ripper
    comment by maybe_pablo · 2022-02-16 · in Building an iPod for 2022
  8. …to easily build a new one, meaning you can have infinite sets of audio devices with custom names. https://github.com/ExistentialAudio/BlackHole/wiki/Build-wit... Just change around some variables: `kDevice_Name`, `Manufacturer_Name`,…
    comment by noman-land · 2021-12-23 · in BlackHole Audio Driver
  9. Your question seems to be covered here with some limitations. https://github.com/ExistentialAudio/BlackHole/wiki/Multi-Out...
    comment by duckarmada · 2021-12-21 · in BlackHole Audio Driver
  10. …same thing. The actual work is done in a few dozen lines of code (see BlackHole_DoIOOperation at https://github.com/ExistentialAudio/BlackHole/blob/master/Bl... ). The rest is just setting up the object model for the OS to provide metadata…
    comment by aaaaaaaaaaab · 2021-12-21 · in BlackHole Audio Driver
  11. ▲ 152
    BlackHole Audio Driver
    story by colinprince · 2021-12-20 · 65 comments
  12. …shady as any of the (several) linux audio systems. [1] https://en.wikipedia.org/wiki/Loopback [2] https://github.com/ExistentialAudio/BlackHole
    comment by least · 2021-11-07 · in Memory leaks are crippling my M1 MacBook Pro
  13. You can use [BlackHole]( https://github.com/ExistentialAudio/BlackHole ) for that, which is open-source, GPL-3. I do, it works, it’s great.
    comment by darkteflon · 2021-09-28 · in OBS Studio 27.1.1
  14. …want to record direct output, download Blackhole and route the audio through the virtual device: https://github.com/ExistentialAudio/BlackHole Audio quality will need a bit of tweaking with gain.
    comment by _5659 · 2021-01-12 · in Generating music with macOS “say” command
  15. …[2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevice... [3] https://github.com/ExistentialAudio/BlackHole
    comment by Benjamin_Dobell · 2020-09-05 · in Show HN: Talk – A free group video call app with screen sharing
  16. For anyone having difficulty installing Soundflower, I used: https://github.com/ExistentialAudio/BlackHole It works exactly the same.
    comment by _5659 · 2020-06-28 · in Show HN: LCC – Open-Source Spatial Audio from Stereo Speakers
  17. BlackHole [1] is a modern alternative to Soundflower. [1] https://github.com/ExistentialAudio/BlackHole
    comment by savoyard · 2020-06-03 · in OBS (macOS) Virtual Camera
  18. …a nice Soundflower alternative that might be appealing for some folks in certain use cases as well: https://github.com/ExistentialAudio/BlackHole
    comment by cawlin · 2020-04-02 · in OBS Studio: Open-source software for video recording and live streaming
  19. …is a better, newer and free solution for these kinds of internal OSX audio routing issues. [1] https://github.com/ExistentialAudio/BlackHole
    comment by haywirez · 2020-03-25 · in Proposed bounty for adding virtual camera / microphone support natively to OBS
  20. ▲ 2
    macOS Audio Pass-Through Virtual Driver
    story by divenorth · 2019-10-29 · 1 comment