Evaluation of Cisco SX20 CODEC added to the site
Here is the executive summary of the Cisco SX20 videoeonferencing CODEC. More detailed documents including the main body of the report, the test results and manufacturer comments can be found on our community library pages.
https://community.ja.net/library/cisco-telepresence-sx20-quick-set
Manufacturer: Cisco
Model: SX20 Quick Set
Software Version: 5.1.4
Optional Features and Modifications:
12x Camera, 4x Camera, Natural Presenter Package, Dual Monitor, Premium Multisite
Date of Test: 15th – 19th October 2012
The Cisco SX20 Quick Set CODEC is a high definition conferencing system, designed to be installed either in a small to medium sized conference room or as part of a Roll-about unit.
The basic system supports a resolution of 1280 x 720 pixels @ 30fps and includes a high definition (HD) camera, a table microphone, an infra-red remote control and PC connectivity in the package. Several options are available:
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A four site on-board Multipoint Conference Unit (MCU)
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The choice of an HD camera with either a 12x or a 4x zoom range
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Premium Resolution with a maximum resolution of 1920x1080 at 60 fps.
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Natural Presenter provides dual video channel H.239
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Dual monitor output
Compatibility with other H.323 CODECS is achieved across a range of resolutions from SIF (352x240) to 1920x1080 pixels. The quality of the conference is dependent upon the capability of the remote CODEC and the connection speed.
Pros:
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Feature rich, compact and easy to install
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Up to 1080p @ 60fps main video
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Overall video and audio performance
Cons:
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12x camera focus performance and PTZ mechanical noise
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Vari-speed cooling fan noise
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Maximum Presentation signal frame rate restricted to 15fps at 1080p resolution
Feature Summary:
Video standards |
H.263, H.263+, and H.264 |
Supported video resolutions |
176 x 144 @30, 60 fps (QCIF) (Decode only) 352 x 288 @30, 60 fps (CIF) 512 x 288 @30, 60 fps (w288p) 576 x 448 @30, 60 fps (448p) 768 x 448 @30, 60 fps (w448p) 704 x 576 @30, 60 fps (4CIF) 1024 x 576 @30, 60 fps (w576p) 640 x 480 @30, 60 fps (VGA) 800 x 600 @30, 60 fps (SVGA) 1024 x 768 @30, 60 fps (XGA) 1280 x 768 @30, 60 fps (WXGA) 1280 x 720 @30, 60 fps (HD720p) 1920 x 1080 @30, 60 fps (HD1080p) |
Communications |
H.323 128Kbps ~ 6Mbps |
Audio standards |
G.711, G.722, G.722.1, 64 kbps and 128 kbps MPEG4 AAC-LD |
Optional cameras |
4x optical zoom camera, PTZ function, 1080 native resolution. 70° horizontal field of view. 12x optical zoom camera, PTZ function, 1080 native resolution. 72° horizontal field of view. |
Video inputs |
One HDMI and one DVI-I (Analogue and Digital) |
Video outputs |
Two HDMI |
Audio inputs |
2 x desk microphones, microphone audio from camera over HDMI, 3.5mm mini-jack connection for laptop/DVD audio |
Audio outputs |
HDMI, 3.5mm mini-jack |
Auxiliary features |
H.239 second video channel up to 1080p resolution @15fps in point to point and Multisite calls. Far-end camera control. Four site internal H.323 MCU supporting Continuous Presence only. |
Encryption |
AES Encryption |