SECURE VOICE COMMUNICATIONS OVER NARROW (10 - 12.

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 1042
Amount: $52,003.00
Phase: Phase I
Program: SBIR
Awards Year: 1984
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Signatron, Inc.
12 Hartwell Avenue, Lexington, MA, 02173
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 JAMES M. KATES
 (617) 861-1500
Business Contact
Phone: () -
Research Institution
N/A
Abstract
SECURE VOICE COMMUNICATIONS OVER NARROW (10 - 12.5 KHZ) CHANNELS IS BECOMING INCREASINGLY IMPORTANT. SPEECH COMPRESSIION FOR USE OVER SUCH NARROW CHANNELS MUST OPERATE AT 9.6 KBPS. EXISTING SPEECHCOMPRESSION APPROACHES AT 9.6 KBPS SUFFER FROM PROBLEMS SUCH AS SENSITIVITY TO INPUT NOISE, SENSITIVITY TO CHANNEL ERROWS, INADEQUATE SPEECH QUALITY, OR SEVERE COMPUTATIONAL REQUIREMENTS. IN THIS PROPOSALWE DISCUSS AN INNOVATIVE APPROACH TO SPEECH COMPRESSION AT 9.6 KBPS THAT PROMISES TO OVERCOME MANY OF THESE PROBLEMS, RESULTING IN A PRACTICAL AND EFFECTIVE SYSTEM.

* information listed above is at the time of submission.

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