Accession Number : AD0916765

Title :   Digital Conferencing Units.

Descriptive Note : Quarterly rept. no. 2, 1 Aug-31 Oct 73,

Corporate Author : GENERAL ATRONICS CORP PHILADELPHIA PA

Personal Author(s) : Goutmann, Michel M.

Report Date : NOV 1973

Pagination or Media Count : 34

Abstract : The emphasis has been in the logic design and fabrication of two brass boards of a Digital Conferencing Unit, a test set which can be used to simulate digital noise, idle speakers, and delay, and CVSD's which will be used during the evaluation phase.

Descriptors :   (*CONFERENCING(COMMUNICATIONS), DIGITAL SYSTEMS), DIGITAL FILTERS, BRASSBOARD MODELS, LOGIC CIRCUITS, DELTA MODULATION, CODERS, TEST SETS, TEST EQUIPMENT, POWER SUPPLIES, ALIGNMENT, MULTIPLEXING, ECHOES, VOICE COMMUNICATIONS, SIGNALS, ERRORS, LIGHT EMITTING DIODES, SUPPRESSION, CLOCKS.

Subject Categories : Voice Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE