The Lincoln Digital Voice Terminal System
Peter E. Blankenship, Edward M. Hofstetter, Albert H. Huntoon, Marilyn L. Malpass, Stephanie Seneff, Vincent J. Sferrino · NASA STI/Recon Technical Report N · 1975
Abstract : An ultra-high performance programmable speech processor, consisting in the main of a custom designed 55-nsec microcomputer, has been designed and constructed. To date, five real-time speech compression programs have been implemented and evaluated.