Quiet.js

Transmit and receive data in the browser with sound

Quiet Profile Lab

Presets

Parameters

Operating Mode

OFDM

Modem

GMSK

Center Frequency

Gain

Maximum Frame Length

Transmitter Frame Length Behavior

Modulation

Checksum

Inner FEC

Outer FEC

DC Filter Alpha

Interpolation/Decimation

Filter Shape

Samples Per Symbol

Symbol Delay

Excess Bandwidth (Beta)

OFDM

Number of subcarriers

Cyclic Prefix Length

Intersymbol Taper Length

Extra leftside guard subcarriers

Extra rightside guard subcarriers

Resampler

This applies only for sample rates that are not 44.1kHz

Symbol Delay

Filter Bandwidth

Sidelobe Attenuation

Filter Bank Size

Link to this profile

quiet-profiles.json format

This will start the transmitter, which plays sound. Please turn down your volume to 20% before starting. If you are wearing headphones, be sure to either switch to speakers or remove the headphones from your head and set them near your microphone.