A SPECTRALLY AND PERCEPTUALLY WEIGHTED PREDICTIVE CODING TECHNIQUE FOR MOBILE VOICE COMMUNICATIONS APPLICATIONS.

Award Information
Agency:
National Science Foundation
Branch
n/a
Amount:
$200,000.00
Award Year:
1988
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Agency Tracking Number:
2618
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Compression Telecommunications
2 Professional Dr Suite 233, Gaithersburg, MD, 20879
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Vaikunth Gupta
President
(301) 921-0148
Business Contact:
() -
Research Institution:
n/a
Abstract
A NOVEL SPEECH CODING TECHNIQUE FOR MOBILE VOICE COMMUNICATIONS APPLICATIONS IS PROPOSED. THE TECHNIQUE UTILIZES THE FREQUENCY AND TIME-VARYING PROPERTIES OF SPEECHIN CONJUNCTION WITH A SPEECH QUALITY PERCEPTION CRITERION TOPROVIDE HIGH QUALITY AND NATURAL-SOUNDING SPEECH OVER A WIDERANGE OF BIT RATES (2.4 - 16.0 KBIT/S). THE TECHNIQUE IS ROBUST TO TRANSMISSION ERRORS, PROVIDES A FRAME-WORK FOR VARIABLE BIT RATE CODING OF SPEECH AND IS APPLICABLE TO MARITIME SYSTEMS FOR EFFECTIVE UTILIZATION OF TRANSMISSION BANDWIDTH.

* information listed above is at the time of submission.

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