Accession Number:

AD0269194

Title:

STUDY OF A SPEECH COMPRESSION SYSTEM (SPECTRUM SELECTION)

Descriptive Note:

Corporate Author:

BOLT BERANEK AND NEWMAN INC CAMBRIDGE MASS

Personal Author(s):

Report Date:

1961-12-29

Pagination or Media Count:

1.0

Abstract:

The effects of sampling the frequency spectrum of speec by narrow pass bands is discus ed. I cluded is engi eeri g informa io bou a n w -c annel filtering system, each channel of which is capable of passing a band of frequ cies either 35 or 75 cps wide. Also included are results of experiments on companding, delta modulation and straight pulse code modulation of a speech ignal. P R LI INARY RESUL INDICATE TH T THE CPS WIDE FIL RS, DELTA MODULATIO A COMPANDI G CAN B USED O DVANTAG IN TH TRANSMISSION OF SPECTRUM SAMPLED SPEECH. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE