Videoconferencing Systems and Cameras
Nov 25, 2013 2:25 PM, By Bennett Liles
Radvision designed the Scopia XT5000 to incorporate dual 1080p/60fps live video and content, HD audio, H.264 High Profile, Scalable Video Coding Technology (SVC), and multi-party calling. Features include an embedded nine-way multiparty MCU and iPad multi-touch control. Its two simultaneous 1080p video channels can carry two camera signals or camera and HD content sharing. The camera, with its 10X optical and 4X digital zoom, can pan 100 degrees and tilt ±25 degrees while the sound system provides acoustic echo cancellation, automatic gain control, adaptive post filtering, and automatic noise suppression. The Scopia XT5000 provides HDMI and DVI-I video inputs, two HDMI outputs for dual display, audio inputs including HDMI, mic array pod, and mini analog/digital with a mini Toslink adapter. Its networking capability includes full duplex transmission, IP adaptive packet management, IPv4 and IPv6 simultaneous support, along with embedded encryption. An additional Digital Microphone Array Pod is available as an option.
Smart Technologies has the Smart Room System for Microsoft Lync that can be matched in size to any specific need from one 70in. display or an 84in. screen up to two 70in. monitors with an integrated camera that automatically adjusts to the room lighting level and shows a 98-degree horizontal field of view. Equipped with digital pan, tilt, and zoom (DPTZ), the camera also features automatic white balance and automatic exposure control. The whole system turns on when participants enter the room and the conference can be started with one button push. The central tabletop component is the small administrative console with a 1366x768 screen on which all functions are activated and transmission can be switched between camera and whiteboard content. Up to four tabletop microphones with mute button and indicator can be connected for better sound pickup.
User friendliness is built into the PCS-XG80 Visual Communication System from Sony with its intuitive graphical user interface that employs a simple layer structure and translucent cascading menus. It also features one-touch dialing, an embedded MCU for multiple connections, and a new RF Remote Commander that eliminates the need for line-of-sight contact with the main unit. Backward compatible with SD systems and TU-T H.239 compliant, it allows simultaneous on-camera communication and data sharing from a PC. A third-party pen tablet can be used for annotations over specific parts of an image. The H.264 video codec provides natural HD images at a resolution of 1920x1080 while the sound system uses the MPEG-4 AAC compression format. Up to five remote sites can be connected using the optional MCU software. In four-screen and six-screen 720p continuous presence modes, while using voice-activated switching, the remote site where participants are currently talking will be displayed in the largest sub-screen. For secure conferencing, the PCS-XG80 supports 128-bit AES encryption.
The GroupStation from Vaddio is designed for mid- to large-sized videoconference venues, and it can connect for HD collaboration using Skype, Microsoft Lync, WebEx and other applications as well as SIP-based Voice over IP for audio conferences. Internet video streaming and data from local sources such as PCs and tablets can also be used. The system consists of a control dock with 4-AEC mics, controller, and dialer as well as a wall unit with amps, speakers, and camera. The camera has a 19X optical zoom with a maximum field of view greater than 58 degrees, and it can make color images down to a light level of 0.7 lux. Along with all other GroupStation functions, the auto-focus camera pan and tilt are controlled from capacitive touch buttons on the dock. The dock also has connections for a PC, laptop or tablet, or HDMI or VGA inputs to locally extend the PC to the room monitor and a USB 2.0 UVC and UAC-compliant connection. The wall unit is placed directly above a flatscreen display and contains speakers and the camera. The dock and the wall unit are connected by a 25ft. length of Cat-6e shielded cable.
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