www.sonybiz.net/go-digital
An Introduction to Digital
Wireless Microphone Technology
03 Why Sony Developed Digital Wireless
Microphone Technology
04
04
04
05
Digital Audio Wireless Transmission System
Overview
Transmitter
Receiver
06
06
06
07
Key Technologies Audio CODEC
Overview
Features
Applications
08 Key Technologies Digital Modulator and Demodulator
08 Overview
08 Features
10 Applications
11 Future of Digital Wireless Microphone
Technology
03
Outline
Sony started in the wireless microphone business in 1974 with the introduction of the
40 MHz band VHF system. This was soon followed by the industry-first PLL Synthesised
VHF system in 1983. Continually enhancing its line of wireless microphone systems,
Sony introduced a groundbreaking 800 MHz band PLL Synthesised UHF Wireless
Microphone system at the NAB event in 1991.
Throughout this period, Sony has been at the forefront of technology offering the first
UHF PLL Synthesised Wireless Microphone system with 282 selectable channels,
introducing a space diversity RF reception system, realising 42 operational channels with a 36 MHz band and more.
These technologies have been adopted for the range of Sony wireless microphone systems available today. Providing superb audio performance, operational flexibility and reliability, these systems have been widely accepted in a broad range of professional audio applications from broadcasting, production and theatre to entertainment and conferences.
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