SIGSALY

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1	A History of Secure Voice Coding – from Cryptologic Quarterly Add to Reading List Source URL: www.ralph-miller.org Language: English - Date: 2013-03-18 10:06:20 Security Secure communication Audio effects Robotics Secure voice Vocoder SIGSALY Homer Dudley Speech coding Cryptography Electronics Telephony
2	Telephone Secrecy Melville Klein Add to Reading List Source URL: www.decisioninfo.com Language: English - Date: 2013-02-17 12:34:48 Cryptography Secure communication SIGSALY Secure voice Homer Dudley Secure telephone Vocoder Bell Labs Pulse-code modulation Technology Telephony Electronic engineering
3	296 Engineering and Science in the Bell System Add to Reading List Source URL: www.ralph-miller.org Language: English - Date: 2006-06-22 18:56:29 Telephony Audio codecs Robotics Vocoder SIGSALY Pulse-code modulation Secure voice Bell Labs Signal Cryptography Technology Electronics
4	Project X---The Beginning of the Digital Transmission Age There is an oft repeated saying that "Necessity is the mother of invention." This was certainly true of the independent invention of Pulse Code Modulation by the Bell Add to Reading List Source URL: www.ralph-miller.org Language: English - Date: 2006-06-22 18:56:30 Cryptography Multiplexing SIGSALY Pulse-code modulation Vocoder Telephone Bell Labs Telecommunication Telegraphy Technology Electronics Electronic engineering