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Applicability of Speech Bandwidth Compression Techniques in Mine Electromagnetic Communications.

Authors
Manney-CH
Source
NTIS: PB/226-781 Available for Reference At Bureau Libraries :21 pages
Link
NIOSHTIC No.
10010017
Abstract
This report deals with the feasibility of the use of vocoders as an integral part of a mine electromagnetic voice communication system. Limitations imposed by the nature of the transmission path, background noise, and equipment are examined. Some properties of vocoders and apparent advantages of the use of vocoders in a mine communications are discussed. The conclusion is reached that the manmade noise level will ultimately determine the workability of such a system.
Publication Date
19720101
Document Type
CP;
Fiscal Year
1972
NTIS Accession No.
PB-226781
NTIS Price
A03
Identifying No.
OFR 7-74
Source Name
NTIS: PB/226-781; Available for Reference At Bureau Libraries
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division