Executive summary for Cisco SX20 Quick Set CODEC

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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:

  1. A four site on-board Multipoint Conference Unit (MCU)

  2. The choice of an HD camera with either a 12x or a 4x zoom range

  3. Premium Resolution with a maximum resolution of 1920x1080 at 60 fps.

  4. Natural Presenter provides dual video channel H.239

  5. 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:

  • Feature rich, compact and easy to install

  • Up to 1080p @ 60fps main video

  • Overall video and audio performance

Cons:

  • 12x camera focus performance and PTZ mechanical noise  

  • Vari-speed cooling fan noise

  • 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