Nikil S. Jayant (1945 -- ) is an

Indian-American Indian Americans or Indo-Americans are citizens of the United States with ancestry from India. The United States Census Bureau uses the term Asian Indian to avoid confusion with Native Americans, who have also historically been referred to ...

communications engineer. He was a prominent long-term researcher at

Bell Laboratories Nokia Bell Labs, originally named Bell Telephone Laboratories (1925–1984), then AT&T Bell Laboratories (1984–1996) and Bell Labs Innovations (1996–2007), is an American industrial research and scientific development company owned by mult ...

and subsequently a professor at

Georgia Institute of Technology The Georgia Institute of Technology, commonly referred to as Georgia Tech or, in the state of Georgia, as Tech or The Institute, is a public research university and institute of technology in Atlanta, Georgia. Established in 1885, it is part of ...

. He received his Ph.D. in Electrical Communication Engineering from the

Indian Institute of Science The Indian Institute of Science (IISc) is a public, deemed, research university for higher education and research in science, engineering, design, and management. It is located in Bengaluru, in the Indian state of Karnataka. The institute wa ...

, Bangalore, India in 1970. Jayant's personal research has been in the field of digital coding,

secure voice Secure voice (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. History The implementation of voice encryption date ...

, and transmission of information signals. His research has been on techniques for speech encryption, packet voice, signal enhancement, robust vector quantization and image coding. He has made pioneering contributions to waveform quantization. He is the author of five books, and he has received 40 patents.

Adaptive differential pulse-code modulation Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization step, to allow further reduction of the required data bandwidth for a given signal-to-noise ratio ...

(ADPCM) was developed for voice coding in the early 1970s by Jayant with P. Cummiskey and

James L. Flanagan James Loton Flanagan (August 26, 1925 – August 25, 2015) was an American electrical engineer. He was Rutgers University's vice president for research until 2004. He was also director of Rutgers' Center for Advanced Information Processing and t ...

Bell Labs Nokia Bell Labs, originally named Bell Telephone Laboratories (1925–1984), then AT&T Bell Laboratories (1984–1996) and Bell Labs Innovations (1996–2007), is an American industrial research and scientific development company owned by mult ...

.P. Cummiskey, N. S. Jayant, and J. L. Flanagan, "Adaptive quantization in differential PCM coding of speech," Bell Syst. Tech. J., vol. 52, pp. 1105—1118, Sept. 1973. He won the 1995 IEEE Donald G. Fink Prize Paper Award. In 1996, he was elected to the

National Academy of Engineering The National Academy of Engineering (NAE) is an American nonprofit, non-governmental organization. The National Academy of Engineering is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy ...

for his contributions to the coding and compression of speech, audio and image signals.

References

External links

Faculty Page

Personal Homepage
Living people 1945 births Indian emigrants to the United States 21st-century American engineers Members of the United States National Academy of Engineering Georgia Tech faculty Indian Institute of Science alumni {{US-engineer-stub