Summary
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High definition (often referred to as 720p) videoconferencing products started shipping in December 2005 when LifeSize began delivery of its first product, LifeSize Room. By the end of that year, market leaders Tandberg and Polycom had also announced HD capabilities, and Sony started actively demonstrating the PCS-G90, an HD-only video system targeting the broadcast industry.
With high definition (HD) videoconferencing systems, the improvement in video quality over standard definition (SD) videoconferencing can be quite dramatic since HD carries more than 9x the pixel count of standard CIF videoconferencing images. The HD videoconferencing systems in the market today offer a wide range of price and functionality. To separate fact from fiction, Wainhouse Research put the following three leading HD video systems through a series of subjective, side-by-side comparisons and tests:
LifeSize Room
Polycom HDX 9002
Tandberg 6000 MXP |
Key areas of focus included:
Differences (if discernable) in image quality and sound fidelity
Interoperability between HD and SD systems from different vendors
Capabilities, feature-set, and usability of each solution
As a part of this evaluation, WR made scores of test calls, across our internal IP local area network (LAN) and over the Masergy MPLS network, between the three HD systems and various SD systems.
Important Note: Some of this testing was conducted using the MASERGY MPLS network currently installed in four Wainhouse Research locations. Using this quality of service network allowed the evaluation team to keep network performance issues from impacting audio / video quality. For more information, please see WR's Research Note on MASERGY's IP Network Services.
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For those in need of detailed information about the features and functions offered by currently available group videoconferencing systems, please view the WR Group Videoconferencing Comparison Matrix (available to PLATINUM PRO subscribers only).
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