Hdx Noise Reduction - Sennheiser EK 1038 Instructions For Use Manual

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Table Of Contents

Table of Contents

HDX

noise reduction

Progress you can hear.

Transmitter

This product family is equipped with HDX, the Sennheiser noise

reduction system that reduces RF interference. It increases the sig-

nal-to-noise ratio in wireless audio transmission to more than

110 dB.

HDX

is a wideband compander system which compresses the audio

signal in the transmitter in a 2:1 ratio (related to dB) to lift it above

the inherent noise floor of the RF link. A 110 dB dynamic range sig-

nal is thus transmitted with an effective dynamic range of only

55 dB, which is above the 60 dB noise floor of the RF link. In the

receiver the signal is expanded in an identical and opposite way in

a 1:2 ratio to restore the original signal, at the same time reducing

the RF noise to below the noise floor of the receiver.

HDX

has been specially developed for high quality radiomicrophone

systems.

Note:

Only transmitters and receivers that are equipped with

work correctly with each other. If non

with HDX, the dynamic range would be drastically reduced and

the transmission would sound blunt and flat or shrill.