voice scrambler

ARRL High Speed Digital Topics - Amateur radio HSMM High Speed Multimedia, data and voice at ARRL website

Longwave Information - DK8KW Longwave Information Slow-Voice, Transmitting compressed analog Audio Signals on LF

Voice keyer with TS-590 - Setting up Digital voice keyer via USB for Kenwood TS-590

Setup TS-590S for Digital Data and Digital Voice Operation - How set up TS-590S for Digital Data and Digital Voice Operation by G3NRW

Win-Test LUA Scripts for TS-590 Voice Messages - Win-Test Contest Logger scripts for VGS-1 Voice keyer module for the TS-590 by DK5TX

Setting up DVK via USB for TS-590 - Configure the Kenwood TS-590S for Digital Voice Keying DVK, a must for contesting.

Voice Keyer for Android - Audio recorder and player for Android. Perfect for Ham Radio (Amateur Radio) operators as a voice keyer for SSB contests or voice beacon.

Notes on N1MM Voice Keyer - Setting up the N1MM Voice Keyer using the Ultimate Linking Interface (ULI)

Electro Voice 664 Wiring - Electro-Voice Model 664 (EV 664) cardioid microphone, wiring diagram, pictures and data sheet

Oscilloscope for the Blind - The vOICe Learning Edition can be used in combination with a regular oscilloscope, allowing blind users to hear any oscilloscope trace.