Title :
Communication privacy: a low cost digital approach
Author_Institution :
Ind. Manage.-Electron. Technol., Southwest Missouri State Univ., Springfield, MO, USA
Abstract :
Support is demonstrated for an analog/digital system that can be scrambled while in digital form and may or may not transmit the key work for algorithm decoding. Multichannel audio and data communication is considered. In addition to digital audio and pulse code modulation concepts, frequency shift keying, frequency division multiplexing, and quadrature phase modulation are discussed. Both practical and cost aspects are considered. Commercially available integrated parts were used in the empirical work to achieve communication privacy at a low cost
Keywords :
analogue-digital conversion; cryptography; data communication systems; data privacy; algorithm decoding; analog/digital system; communication privacy; cost aspects; data communication; digital audio; frequency division multiplexing; frequency shift keying; integrated parts; key work; low cost digital approach; multichannel audio communication; pulse code modulation concepts; quadrature phase modulation; Costs; Data communication; Decoding; Digital modulation; Digital systems; Frequency modulation; Modulation coding; Phase modulation; Privacy; Pulse modulation;
Conference_Titel :
Security Technology, 1988. Crime Countermeasures, Proceedings. Institute of Electrical and Electronics Engineers 1988 International Carnahan Conference on
Conference_Location :
Lexington, KY
DOI :
10.1109/CCST.1988.75988
