Alexander Dmitriev, Sergey Starkov, Sergey Yemetz . ... Mokhovaya st., 11, Moscow, 103907, Russia. ... Proceedings of 1998 Int. Symposium on Nonlinear Theory and its Applications, . ... 1093-1096 . Algorithms for generation of chaotic signals and for chaotic communications systems are proposed and implemented both in software and hardware. Experiments via physical wire channel with the use of Digital Signal Processors (DSP) are carried out in the speech–frequency band. ...