# V2 cognitive layer

Engineering notes kept under `design/v2-cognitive-layer/`.

!!! info "This is the engineering tier"

    These pages are written for contributors, reviewers and researchers rather
    than for people using YazSes. For the user documentation, start at
    [Home](../../index.md).

**5 documents.**

- [01 · Voiceprint Mind — personalize STT to the user](01-voiceprint-mind.md)
- [02 · Cocktail Filter — ignore other voices in the room](02-cocktail-filter.md)
- [03 · Glance-Type — look at a pane to target dictation](03-glance-type.md)
- [04 · Polyglot Switch — transcribe code-switched speech](04-polyglot-switch.md)
- [YazSes v2 — Perceptual & Personalization Layer · Technical Roadmap](ROADMAP.md)