NASA NTRS · 19770032356
Simplified APC for Space Shuttle applications
Abstract
This paper describes an 8 kbps adaptive predictive digital speech transmission system which was designed for potential use in the Space Shuttle Program. The system was designed to provide good voice quality in the presence of both cabin noise on board the Shuttle and the anticipated bursty channel. Minimal increase in size, weight, and power over the current high data rate system was also a design objective.
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Hutchins, S. E., Batson, B. H.. 1975-01-01. Simplified APC for Space Shuttle applications. https://ntrs.nasa.gov/citations/19770032356
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