Fixing Mac audio recording problems on a Mac
Updated 2026-09-03.
Mac audio recording problems fall into a short list: a permission that never appears in Privacy & Security, a silent recording, a USB interface the Mac does not list, a mono or left-only take, Bluetooth headphones that turn every recording into a phone call, a Mac that sleeps mid-take, and the renames in macOS 26 Tahoe. Each has a 2 to 5 minute fix using System Settings, Audio MIDI Setup, and a few Terminal commands (tccutil, caffeinate, sudo killall coreaudiod). These guides give the symptom-to-fix path for each, tested on macOS 26.4.1.
Guides in this topic
- Why is my app missing from Screen & System Audio Recording on my Mac?Apps appear in Screen & System Audio Recording only after they ask. Trigger the request, use the Add (+) button, or run tccutil reset ScreenCapture.
- Why is the microphone permission not working for my app on Mac?Fix a Mac app that records silence: check the Microphone list, run tccutil reset Microphone, relaunch. Apps without the audio-input entitlement never ask.
- Why is my Mac not recording sound?A Mac records silence for six reasons: wrong input, missing permission, muted interface, sample rate mismatch, Bluetooth profile, or the app itself.
- Why is my USB audio interface not showing up on my Mac?A missing USB interface is usually cable, hub, or power. Check System Information, then Audio MIDI Setup, run sudo killall coreaudiod, then the driver.
- Why does my Mac recording only capture one channel?Left only means a mono mic on a stereo track; silence on both means the wrong input pair. Check with afinfo, pick the right pair, fold with afconvert.
- Why do my Bluetooth headphones make Mac recordings sound bad?Bluetooth headsets drop from stereo A2DP to mono 8 or 16 kHz HFP when an app opens their mic. Record with the built-in mic, keep the headset for listening.
- How do I see which app is using my Mac microphone?An orange dot next to Control Center means a mic is open. Click Control Center to see the app, then quit it or revoke access under Privacy & Security.
- Why does my Mac recording stop when the display sleeps?Display sleep does not stop a Mac recording; system sleep does. Turn on Prevent automatic sleeping when the display is off, or run caffeinate -i.
- What did macOS 26 Tahoe change for audio recording?macOS 26 Tahoe renamed Screen Recording to Screen & System Audio Recording, lists system audio in Control Center, and broke one DJ USB return here.
My Mac recording is silent. Where do I start?
Start with the source, then the permission, then the device. That order matches how often each one is the cause.
- Source. The built-in Cmd-Shift-5 recorder and QuickTime capture microphones only. If you wanted what the Mac plays, you need an app that uses ScreenCaptureKit system audio capture. The diagnosis tree in why is my Mac not recording sound sorts this in one table.
- Permission. Two separate lists: Microphone and Screen & System Audio Recording, both under System Settings > Privacy & Security. An app only appears after it asks. If it is missing, trigger the request or reset it with
tccutil; see permission not showing and microphone permission not working, which also covers the silent-denial case for hardened-runtime apps without the audio-input entitlement. - Device. If an interface is involved, check it exists in Audio MIDI Setup, that the gain is up, and that the app is on the right channel pair. USB audio interface not showing up and recording only captures one channel handle those two.
Relaunch the app with Cmd-Q after any permission change. Grants made while an app runs do not apply until it restarts.
The recording works but sounds wrong or stops. What is it?
Two problems produce a file that exists but is not what you wanted.
It sounds like a phone call. A Bluetooth headset switches from the stereo A2DP profile to the mono Hands-Free Profile at 8 or 16 kHz the moment any app opens its microphone. The recording is not broken; the profile is. Record with the Mac's built-in mic or an interface and keep the headset for listening. Bluetooth headphones make Mac recordings sound bad has the profile table. If a background app is what opened the headset mic, which app is using your Mac microphone shows how to find it through the orange dot and Control Center.
It stops partway. Display sleep never stops a recording; system sleep does. On a laptop, turn on "Prevent automatic sleeping on power adapter when the display is off" under Battery > Options, or run caffeinate -i for the duration. App Nap does not touch an app that is recording, because it is audible. Recording stops when the display sleeps covers the settings, the lid, and disk planning at 0.97 GB per hour for 24-bit 48 kHz stereo.
Gaps in the middle of a file that was recorded with the Mac awake usually come from the input dropping, not from sleep; the format cluster's guide on dropouts picks that up.
What changed on macOS 26 Tahoe, and does it break anything?
Two visible changes and one setup-specific failure.
- The privacy pane called Screen Recording on macOS 13 is now Screen & System Audio Recording. Same grant, same
tccutil reset ScreenCapture, new label. - Control Center lists apps using system audio next to microphone, camera and location. A system audio recorder shows up there while capturing.
- In the author's setup, a Pioneer DDJ-SZ's USB audio return stopped delivering audio after the upgrade while control and playback kept working. The fix was analog: MASTER OUT into line inputs 3 and 4 of a Focusrite Scarlett 8i6. One controller, one Mac, stated as such.
ScreenCaptureKit system audio capture and Core Audio input recording work as before, without BlackHole or Loopback. Core Audio device IDs still change on reconnect, so an app that caches the ID shows a dead device after a re-plug. The dated notes and an upgrade checklist are in what macOS Tahoe changed for audio recording; the permission rename is walked through in permission not showing, and the interface side in USB audio interface not showing up.
If you rely on a vendor driver that has no macOS 26 release yet, that is the one good reason to delay the upgrade on a recording Mac.
Mac recording problems: symptom, cause, fix, and where it is explained
| Symptom | Most likely cause | First fix | Needs Terminal | Guide |
|---|---|---|---|---|
| App missing from Screen & System Audio Recording | Never asked, or denied once | Press Record on a system source, or tccutil reset ScreenCapture | optional | permission not showing |
| Mic permission never prompts | Hardened runtime without audio-input entitlement | Developer must fix the build | yes, to diagnose | microphone permission not working |
| File is silent | Wrong source or missing permission | Check source, then Privacy & Security, relaunch | no | why is my Mac not recording sound |
| Interface not listed | Cable, hub power, or Core Audio | Direct port, then sudo killall coreaudiod | sometimes | USB audio interface not showing up |
| Sound on the left only | Mono mic on a stereo pair | Choose a mono input or fold with afconvert | optional | recording only captures one channel |
| Sounds like a phone call | Bluetooth HFP profile | Use built-in or wired mic for capture | no | Bluetooth headphones make recordings sound bad |
| Orange dot with no app open | Background helper holds the mic | Activity Monitor, then killall coreaudiod | sometimes | which app is using your microphone |
| Take stops after minutes | System sleep | Prevent sleep when display is off, or caffeinate -i | optional | recording stops when the display sleeps |
| Cannot find Screen Recording pane | Renamed on macOS 26 | Look for Screen & System Audio Recording | no | what macOS Tahoe changed |
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Other topics
- Screen recording with audio
- Recording internal and system audio
- Recording calls and meetings
- Recording streams, music and video sound
- Virtual audio drivers and Audio MIDI Setup
- Recording with QuickTime, OBS, Audacity and GarageBand
- Recording DJ sets, vinyl and instruments
- Recording lectures, podcasts and interviews
- Audio formats, quality and file size
- Choosing a Mac audio recorder