KeyEcho KEYBOARD SOUND UTILITY · RUNS LOCALLY
KE-DOC-001 · REV C · JUL 2026

Fast-responsive keyboard sounds with every keystroke.

INPUTKEY EVENT
OUTPUTRECORDED SAMPLE
ENGINETAURI + RUST
PACKSFREE BUILT-IN
FOOTPRINTUNDER 5 MB
FIG. 1 · KEYSTROKE-TO-SOUND TIMING CH1 KEY EVENT · CH2 AUDIO OUT
CH1 CH2 T0 · KEY DOWN T1 · SOUND OUT T0→T1 · SAMPLES ALREADY DECODED
DRAWN BY WAVEAPP LLC WIN · MACOS · LINUX — OPEN SOURCE · AGPL-3.0 — KEYECHO.APP