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Captures and corrections

Every dictation is saved in the Captures tab, grouped by the app you dictated into and searchable. Each one has:

  • the audio, so you can play it back
  • Heard: what Whisper transcribed
  • Raw and Refined: before and after cleanup

A capture gets a Check badge when cleanup did something it should look twice at, like changing a name, a number, a “not” or a technical term. It’s worth a glance when you see one.

From a capture you can:

  • Re-transcribe with a different Whisper model
  • Re-refine with different cleanup options
  • Copy the text, if it didn’t land where you wanted
  • Delete it

When the cleaned-up text isn’t what you meant, edit it right in the capture. This is the most useful thing you can do to improve Herga:

  • The fix is used as an example for your next dictation right away.
  • Fixes teach the writing style of the app you dictated into.
  • A misspelled name is better added to the dictionary. Select it and click Add to dictionary.

Every six hours, or when you click Check now, a local job turns your corrections into rules. A new set of rules is only kept if it does no worse on your past corrections, and Undo last update rolls back to the previous set.

You can export all your corrections as JSON.

After enough corrected recordings (12 for training plus a handful set aside for testing), Herga can fine-tune the speech model to your voice while your Mac is idle. The new model is only used if it tests better, and Undo model update puts the old one back.

The Insights tab shows how much you dictate: words, your speaking pace, time saved compared to typing, when you dictate and which apps you dictate into. Pick Today, 7 days, 30 days or All time.

Choose how long captures are kept in Settings › General › Keep history: 7 days, 30 days (the default), 90 days, 1 year or Forever.

Nothing is deleted until you confirm. The first time history would delete old captures, Herga asks you first. Your corrections, dictionary, learned names and stats are kept even after the captures they came from are deleted.