Explainer

https://github.com/WebAudio/web-speech-api/blob/main/explainers/quality-levels.md

The explainer

• Includes the information requested by the Explainer Explainer.
• Follows the Web Platform Design Principles.
• Includes or links to answers to the Security/Privacy Questionnaire.
• Describes user research you did to validate the problem and/or design.

Where and by whom is the work is being done?

• GitHub repo: https://github.com/WebAudio/web-speech-api/
• Primary contacts: Evan Liu (evliu@google.com), Google, Author
• Organization/project driving the design: Google Chrome
• This work is being funded by: Google
• Incubation and standards groups that have discussed the design: Audio WG, TPAC 2025
• Standards group(s) that you expect to discuss and/or adopt this work when it's ready: Audio WG

Feedback so far

• Multi-stakeholder feedback:
  • Chromium comments: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69694ed0.050a0220.f8796.0337.GAE%40google.com
  • Mozilla comments: Not yet, (unofficially favorable)
  • WebKit comments: Not yet
• Major unresolved issues with or opposition to this design: N/A

You should also know that...

Summary: Extends the SpeechRecognition interface by adding a 'quality' property to SpeechRecognitionOptions. This allows developers to specify the semantic capability required for on-device recognition (via processLocally: true). The proposed quality enum supports three levels: 'command', 'dictation', and 'conversation'.

Specification URL: https://webaudio.github.io/web-speech-api

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