01EMIT

Message

18k / 19k Hz4k / 5k / 6k Hz

4/5/6k Mode4k = 0 · 5k = 1 · 6k = advance OffOn Message

UTF-812 / 240

→Encode1 coin

Each generation costs 1 coin.

Binary representationCopy

Your binary will appear here

▶ Play signal Playing signal Playback complete The button is locked during playback. ↓Download WAV

Playback speed1x

1x5x10x

Adjust the speed.

!At 10x there may be bit loss during decoding.

Emission gain100%

25%60%100%

Signal volume.

18k = 0 · 19k = 1 · 20k = advance4k = 0 · 5k = 1 · 6k = advance

◌Listen to tone ↗Emitir teste 18 kHz → 19 kHz

02LISTEN

Decode

◉

Capture beeps and convert to text.

Microphone offListeningProcessing00:00

Microphone gain100%

0%150%300%

Boost the signal.

●Start captureStop and read ⌁Testar 18.000 Hz e 19.000 HzStop

Clear result

Text

Waiting for signal

Bits

No bits yet

18 kHz = 0 · 19 kHz = 1 · 20 kHz advances to the next bit. Each group has 8 bits; - indicates unconfirmed bit.

iBring the phone closer to the speaker.