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Abstract:
PROCESSING FOR VOICE COMPRESSION, DATA CONCENTRATION, AND ASYNCHRONOUS MULTIPLEXING ONTO A HIGH-SPEED TRANSMISSION FACILITY WAS INVESTIGATED. An Associative Communication Multiplexer (ACM) incorporating an associative processor architecture suitable for implementation of time domain redundancy reduction algorithms was designed and evaluated. A computer simulation of the ACM was designed to enable speech quality comparisons to be made with actual voice processed by several candidate algorithms. This program simulated the ACM operations of voice digitization, compression, selection of most significant samples for transmission, and reconstruction of analog waveforms. The ACM system organization, operation, and implementation are described along with a presentation of the design tradeoff studies and system requirements for a 256 channel system with both voice and digital data inputs. (Author Modified Abstract)
| Description: |
Final rept. Jul 71-Aug 72 |
| Pages: |
209 |
| Report Date: |
FEB 1973 |
| Contract Number: |
F3060271C0350 |
| Report Number: |
0642857 |
Report Unavailable |
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