Why Mac dictation stops after 30 seconds, and what to do

The short answer

Apple puts it plainly: “Dictation stops automatically when no speech is detected for 30 seconds.” There is no limit on how long you can dictate. It is the silence that switches it off, so a long pause to think ends the session.

How to pick up again

• Press the Microphone key, if your keyboard has one in the row of function keys.
• Use your dictation keyboard shortcut, which you can see and change in Keyboard settings.
• Or choose Edit, then Start Dictation, in the app you are writing in.

What you dictated before the pause stays where it is.

If it stops sooner than that

Check whether Voice Control is on. When it is, you dictate through Voice Control instead, and standard macOS Dictation is not available.

Check your microphone. In Keyboard settings, under Dictation, check which microphone dictation uses, and choose another if it is wrong. Apple’s troubleshooting page also suggests turning up that microphone’s input volume in Sound settings, under Input.

If you have read about a 40-second limit, that was older advice: Apple’s guides for macOS Catalina and Big Sur suggested speaking for no more than 40 seconds at a time. Since macOS Monterey, Apple says there is no length timeout, only the 30-second silence stop.

Dictating without a silence timer

Some people pause for a long time mid-thought, or find that a timer adds pressure. A dictation app that listens only while you hold a key avoids the problem: nothing switches off while you think.

Take Dictation listens while you hold the talk key and types clean text at your cursor when you let go. If holding a key is hard, set it to tap to start and tap to stop instead. See how it works.