[w3ctag/design-reviews] Incubation: Web Speech API: On-Device Recognition Quality (Issue #1189)

evanbliu created an issue (w3ctag/design-reviews#1189)

### Explainer

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

### The explainer

- [x] Includes the information requested by the [Explainer Explainer](https://w3ctag.github.io/explainer-explainer/#introduction).
- [x] Follows the [Web Platform Design Principles](https://www.w3.org/TR/design-principles/).
- [ ] Includes or links to answers to the [Security/Privacy Questionnaire](https://www.w3.org/TR/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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Received on Monday, 2 February 2026 22:30:38 UTC