Audio

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White Paper: Designing the Ideal Esports AV System for Your School

Whether you are planning to use an existing space for an esports program or developing a dedicated venue, a well-designed AV system and solid infrastructure are critical. The infrastructure serves as the foundation for these esports systems, which vary in scale and complexity. This white paper discusses the importance... Download White Paper

White Paper: Extron XTRA Series Amplifiers: Efficient Amplifier Technologies Lower Cost of Ownership

The Extron XTRA™ Series of Class D amplifiers are the commercial AV industry’s first complete family of ENERGY STAR® qualified amplifiers. While conventional Class AB amplifiers have commonly been used in commercial installations, they are inefficient and known to be one of the major sources of power consumption in AV... Download White Paper

White Paper: Audio Gain Structure for Pro AV Systems

Gain structure can be thought of as the sequence of level settings applied to audio signals as they pass through various devices in an audio or AV system. This Guide offers a practical, intuitive approach to establishing proper gain structure in professional AV systems with sound reinforcement. Download White Paper

White Paper: Audio in Esports

When planning or upgrading an esports facility, audio is a critical consideration for successful gameplay and audience engagement. The sometimes overwhelmingly fast action and dense graphics depend on the intricate cues provided by game audio, just as commentators provide context for the action and the gamers themselves... Download White Paper

White Paper: Class D Amplifier with Ripple Steering

Class D amplifiers are used for their high efficiency, but they have some undesirable characteristics, one of these being the residual switching frequency ripple. This paper shows a method of switching frequency ripple reduction by means of ripple steering. With this technique a second output is constructed, into which... Download White Paper

White Paper: Classroom Sound Field Amplification

Classroom sound field amplification systems have been successfully used to help students with hearing impairments. Recent research has demonstrated that even students with normal hearing ability benefit when these systems are used in their classrooms. This paper describes the basic components of a sound field system... Download White Paper

White Paper: Extron Exclusive Flat Field Speaker Technology

Learning challenges within our school systems are exacerbated by poor acoustics and no or inadequate sound reinforcement. Current day methodologies for creating an even sound field within the classroom, conference room, or boardroom provide mediocre, uneven results. Extron invented a new, patent-pending loudspeaker system... Download White Paper

White Paper: Power Factor Correction in Audio Applications

Switched-mode power supplies are increasingly common in audio power amplifiers, and are desired for their relatively small size and weight, as well as high efficiency. This article provides an introduction to power factor correction, which substantially reduces AC harmonics and prevents noise impact on other AV products... Download White Paper

White Paper: Power Supply Regulation in Audio Power Amplifiers

Audio power amplifiers have typically been supplied power by the simplest possible means, usually an offline supply with no line or load regulation, most commonly based on a line frequency transformer. Even modern amplifiers utilizing switchmode power supplies are usually designed without line or load regulation. The... Download White Paper

VoIP

DMP 128 Plus C V and DMP 128 Plus C V AT models include up to eight VoIP lines, with wideband codec support, that can be configured as individual extensions or with multiple call appearance channels to support local conferencing applications. Compatible with select VoIP systems, any V model of the DMP 128 Plus Series can... Read more

Ceiling Speaker Calculator

The Ceiling Speaker Calculator is a convenient online tool and a valuable resource for estimating the number of ceiling speakers needed for a sound reinforcement system in a room or listening area. Simply enter some basic information including room dimensions, the Extron ceiling speaker model, the type of... Read more

Class D Amplifiers – Not 'Just Audio'

Yes, I'm a video guy. You've probably heard one of us (not me) disrespectfully downplay the ubiquitous field of aural engineering as "it's just audio". This article is about audio, but don't energize your shields just yet. I'm on your side... veteran project manager of an audio system having CD quality signal-to-noise...

Extron's Patented Ripple Steering Class D Audio Amplifier Technology

Class D Audio Power Amplifiers offer the highest efficiency possible, resulting in cooler running, longer lasting products. They are not without their drawbacks, however, one of these typically being increased EMI - Electromagnetic Interference. Extron's proprietary Ripple Steering technology greatly improves the EMI performance... Read more

Plenum-Rated — More Than Just Cables and Speakers

Many of us automatically think of cable or speakers when we hear the word "plenum". It is generally known that Extron has offered plenum-rated cable for years; however, many are unaware that we offer other types of plenum-rated products as well. These products are designed to provide convenience and installation flexibility... Read more