Products of JontiSoft
JMPX is an FM Stereo Encoder with RDS support. It can be used with an FM transmitter to produce a stereo radio station which can be received with any standard FM stereo radio. The FM transmitter gets connected to the computer soundcard and JMPX takes care of the rest. A soundcard that supports a sample rate of least 96000Hz is needed for stereo.
Freeware download of JMPX 2, size
Internet \ Misc. Internet
Use any simple radio transmitter to send Audio/Video or any other form of data via the soundcard. Rates up to 400kb/s possible. With two transmitters, 2way communication is possible. Uses quadrature amplitude modulation scheme (QAM). Robustness is done with Read Solomon coding, interleaving, and TCM..
Freeware download of J-QAM 3.0, size