But for a weekend project, [Vinod.S] took the ultrasonic transmitter and receiver from a distance-meter module and used amplitude modulation to send music ultrasonically from his laptop to a ...

Dunn recalls the history of SSB within ham radio from the 1950s when most voice communication was done through amplitude ...

QAM Modulator and Demodulator combine two amplitude modulation signals into ... value of the modulating signal or message signal is known as modulation. 2. In demodulation, signals from the ...