sonic vocabulary· chapter 09 · five cues · opt-in
sound is a witness, not a soundtrack
five cues · all programmatic · all CC0 · all generated at build time from sine and triangle waves. sound is opt-in. it is off by default. when it is on, it confirms — never accompanies.
as of
00 · livesix tones · synthesised on demand · the same Web-Audio output SonicBridge fires for nav, covenant pass, breach, refusetap a tone · hear the brand voice
as of
01 · cuesfive · canonicalevery cue carries a verb
tap the play button on each card. each cue is wired to a motion token; sound and motion stay synchronous through the same duration token.
as of
02 · disciplineoff by defaultopt-in · per surface · per session
| rule | value |
|---|---|
| default state | off |
| opt-in scope | per surface · per browser session |
| max simultaneous cues | 1 |
| cooldown · same cue | ≥ 320 ms |
| respect · prefers-reduced-motion | also disables sound |
| license | CC0-1.0 · CC0 · public domain |
never
background music · ambient soundscapes · success fanfares · notification dings on every state change. sound is the report of a verb, not the colour of the room.