
41753169079241 | page 175 | https://thedailydialectics.com/pdfs/FIOA/41753169079241/41753169079241.pdf
PL 86-36/50 USC 3605 EO 3.3(h)(2) 3. Non-digital Speech Security. 3. a. In non-digital speech security systems the speech signal is generally filtered through a set of band pass filters which divide | the frequency spectrum of the signal into a set of adjacent frequency. bands, The output of each…