Bounded composed-audio fixture / explicitly non-realtime

Wave Bench

No microphone. No streaming. No retained audio.WAV bytes exist only while this request and browser playback URL are active.
02

Durable text, ephemeral sound

Fixture ready

The synthetic tone deterministically maps to a reviewed transcript.

Playback is never automatic. Reloading discards output audio while text and events remain.
03

Normalized timeline