About Spectrum Establish in 1999, Spectrum Conferencing specializes in Consultation and Implementation of Integrated Conferencing and Professional Audio Visual Solutions to MNCs, Government & Institutions. We provide solution for renowned manufacturers such as Polycom, Epson, Tandberg, Crestron, Extron, LG, Revolabs, AMX, NEC, Barco etc. More

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Projector

The whole story behind display specifications and human vision - Barco
This white paper tries to explain some basic terms, concepts and confusion issues frequently encountered in the display world...

How to choose a projector?
Finding the right projector is easier than you might think. There are hundreds of projectors currently on the market, but you can find the best solutions for you by knowing the fundamentals of projectors… 

Multimedia Projector Technology
World most widely used projectors are either LCD or DLP technologies that make up the multimedia projection technology...  

3LCD Technology Dominates ProAV Projector Market
Projection Industry’s Largest Market Chooses 3LCD 3:1 over All Other Technologies...  

Technology Comparison between 1-gle chip DLP and 3-chip LCD Projection
This white paper will elaborate in details the differences between the two projection technology…  

Projector Images and Room Light Levels
When projectors are used in a variety of classroom and conference room locations it becomes important to determine the projector light level necessary to provide a suitable image…  

Purchasing a Projector for Education
This whitepaper teaches the most important things to note and understand when considering which projector will work best for you and your school's needs…  

Multi-Channel Display Systems for Data Interpretation and Command and Control
This paper discusses the difficulties in tiling multiple projectors, and the methods currently used to overcome them…  

Sound System

Power Amplifier by Yamaha
This white paper explains the difference and the competitive edge Yamaha Power Amplifier has over its competitor..

A White Paper Of The Installation Series Loudspeakers
This white paper explains the details of Yamaha Loudspeakers for Installation, in understanding the concept, as well as how to realize the concept in actual installation....

JBL Tour Sound Systems - HLA Series: System Use Guidelines
When any new product like HLA from JBL Professional is introduced, it is natural to seek comparisons to existing, familiar units. This document is intended to offer objective technical data that will assist you in understanding the new technologies behind HLA, and to address some practical field-use applications

Extron Classroom Sound Field Amplification: An Introduction
This paper describes the basic components of a sound field system and summarizes research related to the benefits that can be realized when classroom amplification is used to support the delivery of effective classroom instruction...

Audio for Distance Learning
Poor sound quality will make it more difficult for students to understand the material being presented. It may also reduce their level of interest and participation in the class... 

An introduction to networked audio
Audio networking introduces new exciting possibilities for the professional audio industry. But it also drastically changes the way audio systems are designed, built and used…  

Audio Systems Guides for Meeting Facilities
This guide provides the reader with sufficient information to understand how microphones and mixers are applied to meeting facility sound situations…  

Large Multichannel Wireless Microphone Systems
The use of wireless microphones has mushroomed in the past few years due to advancements in technology, a trend towards greater mobility on stage…  

Selection and Operation of Audio Signal Processors
Many factors contribute to the quality of the sound, including the quality of the sound sources, the sound system, and the room acoustics…  

Selection and Operation of Wireless Microphone Systems
The purpose of this guide is to provide the interested reader with adequate information to select suitable wireless equipment for a given application and to use that equipment successfully…