MacDebug

Verified for macOS Tahoe 26.2

Fix Guide: Tahoe Screen Recording Audio Missing

Symptom: When you record your screen with QuickTime Player or Screenshot.app on macOS Tahoe, the video plays back with no sound, even though you selected "Microphone" or "System Audio" during recording.

Why this happens

Tahoe 26.2 enforces stricter audio capture permissions through a new AudioCaptureExtension framework. If your recording app doesn't have explicit access to both "Screen Recording" AND "Microphone" permissions (a dual-gate requirement), the system records video but silently drops all audio tracks.

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Fix 1: Grant Full Audio Permissions

  1. Open System Settings > Privacy & Security > Screen Recording.
  2. Verify QuickTime Player (or your recording app) is enabled.
  3. Now go to Privacy & Security > Microphone.
  4. Ensure the same app is enabled here too.
  5. Restart the recording app and test.

Fix 2: Reset Core Audio

If audio still doesn't record:

  1. Open Terminal and run:
sudo killall coreaudiod
  1. Enter your admin password.
  2. Wait 5 seconds for the audio system to restart.
  3. Launch your recording app and try again.

Fix 3: Use Loopback Audio (Advanced)

For system audio capture (recording app sounds, browser audio, etc.):

  1. Download BlackHole (free virtual audio driver).
  2. Install it and restart your Mac.
  3. Open Audio MIDI Setup (in Applications > Utilities).
  4. Create a Multi-Output Device combining BlackHole and your speakers.
  5. In QuickTime Player, select BlackHole as the microphone source.

Recommended Tool: ScreenFlow

ScreenFlow is a professional screen recorder that handles Tahoe's audio permission maze automatically. It captures system audio, microphone input, and even per-app audio isolation (record Chrome but not Slack) without hacky virtual drivers. The built-in editor lets you fix accidental silence after recording, and it exports directly to YouTube/Vimeo with optimized codecs. For content creators, it's the gold standard.