/soundmodem-html5

(WIP) Attempt to implement old modem protocols through the HTML5 Audio API

Primary LanguageJavaScript

soundmodem-html5

This repository implements a modem using HTML5 Audio APIs. This allows you to interface with old devices that use acoustic modems. For signal integrity, we recommend that you connect audio directly to the device.

Supported Signaling

FSK:

  • Bell 103 (300 baud): Originating and Answering modes.
  • Bell 202 (1200 baud)

PSK:

Other:

  • DTMF
  • RTTY

Supported Handshakes

  • None
  • Bell 103 Carrier
  • V.8 (Call and Answer)