Beginning with Ver. 2.0 of LecNet 2 firmware for the DMTH4 telephone interface, improved algorithms are used in the acoustic and line echo cancellers. No hardware modifications were made, so the firmware can be downloaded and installed into earlier DMTH4 processors.

Beginning with Ver. 2.0 of LecNet 2 firmware for the DMTH4 telephone interface, improved algorithms are used in the acoustic and line echo cancellers. No hardware modifications were made, so the firmware can be downloaded and installed into earlier DMTH4 processors.

An overview on typical diversity reception techniques

Cryptography is an ancient art. For as long as there have been secrets, systems have been devised to lock them up... and to pry open the locks. This paper discusses the Lectrosonics encryption system.

A report on spread spectrum RF techniques as applied to wireless microphone systems based on currently available devices and technological capabilities. Also viewable as HTML