PROTOCOL v1.0 · CLIENT-SIDE

ACOUSTIC LINK

Transmit and receive data through sound. Text is encoded as audio frequencies, played through speakers, and decoded from microphone input in real-time.

IDLE

TRANSMIT

0 / 100

FREQUENCY ENCODING

HELLO WORLD TEST 123 SOUND PROTOCOL OVER AND OUT

SPECTRUM

— Hz

DOMINANT

— Hz

SYMBOL

—

AMPLITUDE

—

RECEIVE

DECODED MESSAGE

[awaiting transmission...]

ACTIVITY LOG

Start listening for acoustic signals

Requires microphone permission · Tip: transmit & listen simultaneously to test loopback

CHARACTER → FREQUENCY MAP 1000–3000 Hz · 50 Hz spacing · SIG: 3500/4000/4500 Hz