Coach — train your voice, rhythm, pitch, and breath
Real-time performance training for speakers, singers, and creatives. 6 engines. Useful if your work depends on your voice.
What it is
Coach is a separate Keystone product — a real-time performance training app called Expression OS. It's for people whose work depends on their voice: speakers, singers, podcasters, voice actors, presenters.
It's not a service catalogue item. It's a working product you can use today at coach.keystonehq.xyz.
6 engines
- tap_forge — rhythm tapping for timing and flow
- talkstar — speaking and voice quality
- pitch_path — pitch control and intonation
- breath_runner — breath control and pacing
- scriptforge — script writing and rehearsal
- tubeshadow — YouTube-level shadowing practice
Who it's for
- Public speakers who want to tighten delivery
- Singers who want to work on pitch and breath
- Podcasters who want consistent audio quality
- Voice actors who want to expand range
- Creatives who want to develop their performance
Cross-sell to Brand B services
Useful if you do client-facing work, sales calls, or presentations — Coach may help with delivery. Not a direct fit for the AI integration services, but worth knowing about.