Fact · Dictation software
The nerd-dictation README says a JSON grammar file restricts the phrases that VOSK recognizes, for better accuracy.
Quote found word for word on the live source, last checked October 19, 2026
In the source's own words
“This restricts the phrases recognized by VOSK for better accuracy.”
nerd-dictation: Offline Speech to Text for Desktop Linux, Campbell Barton, GitHub, 2026, Subcommand begin, options.
Open the original- What it measures
- The option is --vosk-grammar-file, which takes a JSON file. It is set when the dictation starts.
- What it does not show
- A grammar file is a fixed list of phrases. It is not a way for the user to add words to a general dictionary.
In the data
A row of Dictation App Features Compared: Offline, Privacy, AI, as nerd-dictation: grammar file: 1 1 = yes, 0 = no.
- App
- nerd-dictation
- Feature
- Custom words or vocabulary
- Detail
- JSON grammar file limits phrases
- As of
- 2026-10
- Note
- 1 means the maker's page says the app does this