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DVI and HDMI: The Short and the Long of It

Most DVI input cables for computer monitors are two meters long just like the typical analog VGA input cable. In our world of systems design, two meters is too short. For AV digital interfaces to become commonplace, the norm will not be these simple, desktop hookups... 了解更多

Digital Design Best Practices - Signal Integrity

This article concentrates on signal integrity, one of the three core components in digital system architecture. The other two, equally important components are content protection and resolution management... 了解更多

Performing Arts Center

演艺中心是一个可容纳超过 3000 名观众的大型多功能场馆。该场馆可用于音乐会、戏剧等各类现场演出... 了解更多

Avoiding Common Pitfalls Integrating AV Products onto IP Networks

Advancements in audiovisual technology have brought changes to the ways audio, video, and data connect between sources, displays, and control systems. Today, the AV industry is in the midst of a transition to a new digital transmission infrastructure based on DVI, HDMI, and SDI... (需要登录: ) 了解更多

AES67

Audio Over IP Interoperability with AES67 Many competing Audio over IP protocols have emerged over the last several years and have been implemented in certain markets by various manufacturers... 了解更多

Design Mecca Overcomes AV Hurdles

The American Institute of Architects, headquartered in Washington, DC, was founded in 1857, and today has nearly 300 state and local chapters in the U.S. and around the world. The AIA strives to meet the needs and interests of the nation’s architects and the public they serve by developing public awareness of the value of architecture and the importance of good design... (需要登录: ) 了解更多

HDMI 2.0: Specification Overview & Frequently Asked Questions

HDMI 2.0 was developed by the HDMI Forum to provide new functionality for this widely adopted technology. Released in September 2013, the specification includes support of increased... 了解更多

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... 了解更多

Knowledge Wall

A knowledge wall is the center of aggregated information used for monitoring and analyzing to make critical decisions related to security, emergency services... 了解更多

Campus Technology

Universities are centers of research as well as institutions for higher learning. Campuses feature multiple buildings with classrooms, offices, ... 了解更多

4K Data Rate Calculator

The 4K Data Rate Calculator is an online tool designed to assist you during the system design phase as well as the installation and setup phase. The basic calculator lets you quickly... 了解更多

Digital Design Best Practices - Signal Integrity

HDMI Cable Quality Matters in Pro AV

There’s a popular belief, widely tossed around on the Internet, that all HDMI cables are the same. If there’s a picture at the end of the cable, it’s impossible to tell the difference between a cheap cable and one that costs two or three or ten times as much... (需要登录: ) 了解更多

HDMI: The Short and the Long of It

HDMI, or High Definition Multimedia Interface, is a digital AV interface that supports high resolution computer-video and HDTV as well as multiple channels of audio on a single cable... 了解更多

DVI and HDMI: The Short and the Long of It

HD-SDI, HDMI, and Tempus Fugit

HD-SDI (high definition serial digital interface) and HDMI (high definition multimedia interface) version 1.3 are receiving considerable attention these days. "These days" really moved ahead rapidly now that I recall writing in this column on HD-SDI just one year ago... 了解更多

HD-SDI: More Possibilities than Just Television

It seems that the popular concept of digital video among the masses arrived with the DVI connection to the computer monitor. Of course, the DV format for consumer video cameras arrived earlier, but for most it just didn't seem like digital video... 了解更多

Digital Video: Are You 4:2:2 Compliant?

Maintaining the original quality of an analog event is paramount in the television broadcast industry. This concern alone drove the development and adoption of the ubiquitous digital... 了解更多

HDMI 2.0: Specification Overview & Frequently Asked Questions

HDMI 2.0 was developed by the HDMI Forum to provide new functionality for this widely adopted technology. Released in September 2013, the specification includes support of increased... 了解更多

Calculating ROI

One of the key factors used in determining whether or not to purchase new classroom technology is a calculation of Return on Investment, or ROI. While there are many factors to consider,... 了解更多

Choosing the Best Methods for Control

A device’s control requirements are often dictated by the device manufacturer. AV devices originate from a variety of different manufacturers and access to control functions can vary... 了解更多

College Achieves New Level of Student Service with Extron TouchLink-Based Control Systems

Montgomery County Community College in Blue Bell, Pennsylvania, recently upgraded its primary student services building, College Hall. School officials wanted to use AV technology to streamline student services for all students... 了解更多

Communication Signals & Infrastructure

Once one has determined the equipment to be controlled and the methods to control it, one can take a closer look at the actual control signals and infrastructure required to get those... 了解更多

Making Choices: Control System Size and Scope

Proper design is a balancing act. Designers must evaluate the goals and needs of the client and weigh them against the client’s budgetary constraints. 了解更多

TouchLink GUI Templates and Beyond

Infocomm 2009 brought the introduction of Extron’s TouchLink® product line, the first fully configurable touchscreen interface for the professional AV market. TouchLink was designed... 了解更多

Understanding the Control Project Timeline

This control project timeline presents a best-case scenario for a well-organized AV installation. It proposes a systematic, logical workflow that integrators and project managers... 了解更多

Dante-Enabled Products from Extron

Dante audio networking provides digital audio distribution over local and wide area networking, using standard network hardware or by connecting into a standard network infrastructure. This... 了解更多

VoIP

天花板扬声器计算器

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... 了解更多

AES67

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... 了解更多

Design Mecca Overcomes AV Hurdles

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... 了解更多

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... 了解更多

The Mysterious Loudness Control: What Does It Do?

The first really decent stereo audio system I owned had a pushbutton on the front panel called "loudness." I pushed it. I decided the audio sounded better so I left it pushed in; never changed it... 了解更多

Selecting the Right H.264 Solution

Selecting the Right H.264 Solution What is H.264? H.264 is a standard for video compression also known as MPEG-4 Part 10 or MPEG-4 AVC. It was developed by the ITU-T Video Coding... 了解更多

Avoiding Common Pitfalls Integrating AV Products onto IP Networks

Selecting a Streaming Codec

Every day, video over IP technology reaches farther into our professional and personal lives. As networks expand and streaming technologies mature, we find ourselves with greater... (需要登录: ) 了解更多

VN-Matrix Combines Real and Virtual Training Cross Country for AFRL

The Air Force Research Laboratory - AFRL faced several significant technical and operational challenges when it set out to produce a real-time, real-world demonstration of a training simulation system... 了解更多

Eyes on the Roads

The Borough Councils of Greater London have a duty to maintain safe roadways that will support efficient transportation and the economic well-being of the metropolitan area. Residents... (需要登录: ) 了解更多

Training the Future Doctors of British Columbia

Early in 2002, British Columbia was faced with a critical shortage of doctors to serve its approximately 4.6 million citizens. Additionally, the northern, southern, and island regions had a difficult time enticing new doctors to set up practices beyond Vancouver’s metropolitan area... (需要登录: ) 了解更多

A Fiber Optic Connector Primer

Optical fiber transmission of AV signals has come of age and it's time to take another step along this new, adventurous road. A fiber solution may sound like a great idea for those challenging long-haul or highly secure applications, and then reality sets in... 了解更多

Campus Technology

Universities are centers of research as well as institutions for higher learning. Campuses feature multiple buildings with classrooms, offices, ... 了解更多

Courtroom of the Future

The Courtroom of the Future relies on a fiber infrastructure to ensure that future upgrades to the AV system can use the existing cabling. It provides a... 了解更多

Digital Signage

This pharmaceutical building has public lobbies for customer access and general admittance to the site. Employee lounges and cafeterias are ... 了解更多

Fiber Optic Cables in AV Systems

The combination of light and glass presents some unique properties that give AV professionals powerful tools in common AV applications. A fiber optic cable can be used to send high... 了解更多

Fiber Optic Frequently Asked Questions

The following provides you with questions and answers about Extron Fiber Optic products: What is optical fiber? What is multimode fiber? What is singlemode fiber? How... 了解更多

Fiber Optic Transmission in AV Comes of Age

Folks, the good ol' days are here right now. More technical solutions are available for audiovisual systems designers in both analog and digital equipment than ever before. One of the most exciting new toys for signal distribution is RGBHV digital fiber optic transmission... 了解更多

Knowledge Wall

A knowledge wall is the center of aggregated information used for monitoring and analyzing to make critical decisions related to security, emergency services... 了解更多

Multiplexing AV Signals in Fiber Optic Systems

Multiplexing Signals in Fiber Optic Systems TDM combines multiple digital signals into a single serial digital bit stream. A specialized circuit, called a serializer, allocates parallel input streams into time slots in the serial output... 了解更多

USB Switching in AV Environments

USB is a popular standard that has been around since 1995. Its evolution has extended to the point where each of us utilizes this interface on a daily basis. USB ports are standard... 了解更多

Digital Design Best Practices - Signal Integrity

双绞线产品符合主流趋势

双绞线产品符合主流趋势高清视频正面临着前所未有的市场发展契机，应用范围也正在不断扩大：从数字标识、商品零售业、机场航站楼、教堂、大学到定制的家庭安装等应用，多不胜数。 .wpimg {... 了解更多

HDMI 2.0: Specification Overview & Frequently Asked Questions

HDMI 2.0 was developed by the HDMI Forum to provide new functionality for this widely adopted technology. Released in September 2013, the specification includes support of increased... 了解更多

Extron XTP Systems Streamline AV System Designs

Any successful system design requires careful consideration for managing and distributing video, audio, and control signals. It is also essential to plan for provisioning data and... (需要登录: ) 了解更多

Integration Opportunities with 4K Displays

Displays with 4K, or roughly 4K×2K resolution provide a solution for applications requiring a greater number of pixels on large screens. In 2005, the first 4K projection displays were introduced and began to be integrated into digital cinema, simulation, defense, medical, entertainment, and other environments... (需要登录: ) 了解更多

图像解析度转换器与扫描转换器

图像解析度转换器是指可将一个具有一定分辨率的视频或计算机视频信号转... 了解更多

信号处理器

信号处理器以多种方式对信号进行改变和控制，其中包括将复合视频信号转... 了解更多

Setting Up a Scan Converter

Properly setting up a scan converter can make all the difference in the world in respect to image quality. A little fine-tuning can make the difference between a poor image and a good image... 了解更多

Courtroom of the Future - System Design Solution

The Courtroom of the Future relies on a fiber infrastructure to ensure that future upgrades to the AV system can use the existing cabling. It provides a model that can be readily adapted to various applications such as municipal, county, district, or superior courts... 了解更多

Environmental Considerations and Human Factors for Videowall Design

Environmental Considerations and Human Factors for Videowall Design The ability to present clear, high quality imagery from multiple sources and at large sizes makes videowalls valuable... 了解更多

Font Size and Legibility for Videowall Content

Legibility is very important for any videowall application with sources that include alphanumeric text. Viewers should be able to easily read text at all intended viewing distances without eyestrain... 了解更多

Videowall Processor Features

Videowall processors are available with a wide range of features and capabilities. Many of them relate to system performance, image quality, and reliability, while others can help streamline system design and integration needs targeted at specific vertical market applications... 了解更多

Videowall System Control

Videowalls are among the most complex types of AV systems to set up and configure. Most of the operational complexity is within the videowall processor and its many functions, features, and capabilities... 了解更多