Cisco PTZ Technical Information download pdf (Page 45)

Using the Setup Screen

Configuring Audio, Video, and Camera Controls

Cisco Small Business Administration Guide for the Model PVC300 PTZ Internet Camera with Audio and PoE 45

Configuring Audio, Video, and Camera Controls

Click the Audio/Video/Camera folder icon to display the Video, Audio, and Camera

Control sections.

Defining Image Settings

The Video folder has three sections that define image Settings. This camera

supports dual-stream. It provides two setting for video streams, and one setting

for audio.

Video Quality Settings For Stream 1/2—Set two streams for the PVC300 PTZ

Internet Camera for different viewing devices. For example, set the PVC300 PTZ

Internet Camera to a smaller frame size and a lower bit rate for viewing on mobile

phones. Or, set the PVC300 PTZ Internet Camera to a larger video size and a

higher bit rate for viewing on web browsers.

• Mode

The PVC300 PTZ Internet Camera offers two choices of video compression

standards for real-time viewing: MPEG-4 and JPEG. If MPEG-4 is selected, it

is streamed in RTP encapsulation over UDP. There are four dependent

parameters provided in MPEG-4 mode for video performance adjustment.

• Resolution

The video resolutions are selectable at the following settings: 640x480,

320x240, and 176x144. Note that a larger frame resolution takes up more

bandwidth.

• Video quality

A complex scene generally produces larger file size, meaning that higher

bandwidth will be needed for data transmission. Therefore, if Constant bit

rate is selected, the bandwidth utilization is fixed at a selected level,

resulting in mutable video quality performances. The bit rates are

selectable at the following rates: 20Kbps, 30Kbps, 40Kbps, 50Kbps,

64Kbps, 128Kbps, 256Kbps, 512Kbps, 768Kbps, 1Mbps, 2Mbps, 3Mbps

and 4Mbps.

If Fixed quality is selected, all frames are transmitted with the same quality

and bandwidth utilization is unpredictable. The video quality is selectable:

Medium, Standard, Good, Detailed and Excellent.

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Cisco PTZ Technical Information Page 45