6.2.2 MPEG4 A. Computer View
¾ Viewer Authentication: If the viewer authentication is On, the users will be requested to type
in username and password when viewing through RTSP.
¾ Multicast Streaming (If it is ON)
z Multicast Address: Specify the multicast server address.
z Video / Audio Port: Specify the transmission port number of the video data, which is an
even number from 1024 to 65534.
z Time- to- Live: Set the maximum TTL (Transistor-Transistor Logic) that multicast can pass
through.
¾ Image Size: Specify the image size when the network camera transmits. You can choose
among 640 x 480, 320 x 240 and 160 x 120.
¾ Frame Rate: Set the frame rate of the MPEG4 image. You can choose values from1, 2, 3, 4,
5, 7, 10, 15, 20, 25, and 30 fps. The unit “fps” stands for “frames per second”.
¾ Quality:
z Auto: The quality and bitrate will be adjusted automatically according to the frame rate.
z Fixed Quality: You can select the value of quality among Medium, Standard, Good,
Detailed and Excellent.
z Fixed Bitrate: Set the bitrate of MPEG4 image transmission for a line. You can select the
values from 64, 128, 256, 384, 512, 768, 1024, 1280, 1536, and 2048 kbps.
¾ MPEG4 view port (if RTSP mode is Off, please check “Setting →Basic → Camera →
General”)
z Unicast Streaming Video / Audio Port Number: Specify the transmission port number of
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