Official documentation
Enable automatic punctuation (Speech-to-Text)
Google Cloud, 2026
Read the originalRead on October 16, 2026
- What it is
- Google Cloud's documentation for automatic punctuation in the Speech-to-Text API. It describes what the service infers and what it does by default.
- How much weight it carries
- Official Google documentation for a developer API, not for the Google Docs voice typing feature. The page says that supported languages are listed separately.
Facts taken from this source
- When automatic punctuation is on, Google Cloud Speech-to-Text also capitalizes the first letter after each period and question mark.
“When you enable automatic punctuation Speech-to-Text will also automatically capitalize the first letter after each period and question mark.” (Introduction)
- Google Cloud's Speech-to-Text API infers periods, commas and question marks from audio and adds them to the transcript when automatic punctuation is on.
“Speech-to-Text automatically infers the presence of periods, commas, and question marks in your audio data and adds them to the transcript.” (Introduction)
- By default, Google Cloud Speech-to-Text leaves punctuation marks out of recognition results, so you must request automatic punctuation.
“By default, Speech-to-Text does not include punctuation marks in the results from speech recognition.” (Introduction)