Tobias GesellchenandClaude Opus 4.7 c89a66b08a feat(media): add AfterTouch "ding" signature audio ...

A 600 ms two-chirp sound derived from the braille S+T pair that
makes up the AfterTouch logo. Used as the test-playback target so
operators can confirm a freshly migrated speaker actually emits
audio without depending on TuneIn or any external service.

Mapping: dot rows → pitches (A5/E5/A4), dot columns → stereo
channels. S (dots 2,3,4) renders first, then T (dots 2,3,4,5) —
audibly "S plus one more voice".

Generator under scripts/gen-aftertouch-ding regenerates the file
on demand:

  go run ./scripts/gen-aftertouch-ding \
    -o pkg/service/handlers/static/media/aftertouch-ding.wav

22050 Hz stereo 16-bit PCM, ~52 KB. Picked up by the existing
static/media/* embed in handlers_media.go, so it's served at
GET /media/aftertouch-ding.wav once handlers can play it.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-19 23:20:40 +02:00

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main.go

feat(media): add AfterTouch "ding" signature audio

2026-05-19 23:20:40 +02:00