Mar 28, 2012 3:13 PM, By Llanor Alleyne
Fundamental to achieving the best possible sound or video quality possible in an AV system, signal distribution, though a seemingly simple Point A to Point B task, can quickly become an absorbing job for the commercial AV professional. With a fantastic range of signal path choices as well as modes of delivery available, integrating the best signal distribution system becomes a matter of scale, need, and speed. Here are some of the latest signal distribution offerings from our industry’s manufacturers.
Adder Technology’s ADDERLink Infinity dual network DVI extender allows a computer and its operator to be separated by almost any distance without any loss in capabilities, reduction in video resolution, quality, or USB latency. Providing dual link DVI that allows it to support very large screens such as the Apple Cinema Display or dual monitor set‐ups, the Infinity dual interfaces USB peripherals such as the keyboard, mouse, or graphics tablet, together with DVI for the video display, over a standard layer 3Gb Ethernet network, on copper or fiber. A network will support a large number of computers and workstations, allowing one user to switch freely between computers, to move with the same screen experience between locations, or even co‐locate the same device.
AudioScience’s Hono CobraNet Mini series packs up to four channels into a compact, fit-anywhere case. The Hono CobraNet 4.4M and 2.2M Mini receives four or two channels, respectively, of 48kHz CobraNet and sends them to their balanced analog audio outputs, while simultaneously inputting four or two channels of mic/line level balanced audio and transmitting them as CobraNet. The Mini receives four or two channels of CobraNet and sends them to their AES/EBU audio outputs, while simultaneously inputting four or two channels of AES/EBU audio and transmitting them as CobraNet. AudioScience’s ASIControl application software sets up all internal features of the unit and allows CobraNet routing connections to be set up between the Hono series units and any other CobraNet device on the network.
The DXM-3232 by Aurora Multimedia is a low-cost 32x32 digital media card cage matrix system that, as part of the Digital Xtreme series, has a variety of cards to choose from to simplify the installation and reduce the external component count. Available as HDMI, DVI, HDSDI, VGA, Cat, and fiber cards among others, the DXM card frame can be controlled by RS-232 and has a redundant power supply option as well.
Touted as the next generation of Crestron’s MPS Multimedia Presentation, the budget-friendly DigitalMedia Presentation System 300 (DMPS-300-C) delivers a complete high-definition presentation and control and signal routing solution that integrates a control processor, multimedia matrix switcher, mic mixer, audio DSP, and amplifier. Integrated DigitalMedia 8G+ inputs and outputs provide a one-wire interface for remote sources and display devices using a standard Cat-5e wire or premium DM 8G cable. Supporting wire lengths up to 330ft. (100 meters), DMPS-300-C can also provide an ideal interface to a central DigitalMedia switcher as part of a larger multi-room or room-combining system.
Digital Rapids’ TouchStream live streaming appliances are available in a variety of analog and digital input configurations supporting SD and HD video, with output for viewing platforms including the Web, tablets, mobile phones, and IPTV set-top boxes. With controls that are accessed through an intuitive touch-screen interface with integrated video monitoring (eliminating the need for laptops, keyboards, mice, and separate monitors), TouchStream systems features include audio controls, picture controls and graphic overlay that allow users to refine the incoming source and add branding such as a logo to the outgoing stream. Video can also be archived to files on optional storage (even in different formats or resolutions than the live stream) for later on-demand use. A configurable set of controls can be locked with a password, letting administrators limit the functions available to basic users to as little as preferred—even just start and stop.
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