Position: Index > Unclassified >

Speech Scrambler Circuit

2017-09-02 09:55  
Declaration:We aim to transmit more information by carrying articles . We will delete it soon, if we are involved in the problems of article content ,copyright or other problems.


Using digital techniques, this circuit accomplishes the frequency-inversion algorithm via digitization of the audio, inversion of the sign of every alternate sample, and D/A conversion of the resultant data. The result is an inverted frequency spectrum.
Speech Scrambler Circuit

Because the circuit has two channels, this system can be used in a full duplex two-way telephone scrambler.



Reprinted Url Of This Article:
http://www.next.gr/sens-detectors/human/speech-scrambler-circuit-l15025.html