Vivotek TC5633 Installation Guide download pdf (Page 45)

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“Mode” It can be MPEG-4 or JPEG. If MPEG-4 is selected, it is streamed in RTSP

protocol. If JPEG is selected, it is streamed in server push mode.

“Frame Size” Both MPEG-4 and JPEG video mode have three options to choose:

“176x144”, “320x240” and “640x480”.

There are three dependent parameters provided for video performance adjustment.

“key frame interval”

“Max frame rate” This limits the maximal refresh frame rate, which can be

combined with the “Video quality” to optimize bandwidth utilization and video

quality. Choose “Constant bit rate” If the user wants to fix the bandwidth utilization

regardless of the video quality or choose “Fixed quality” and select the desired

bandwidth. The video quality may be poor due to the sending of maximal frame rate

within the limited bandwidth when images are moving rapidly. Consequently, to

ensure detailed video quality (quantization rate) regardless of the network, it will

utilize more bandwidth to send the maximal frames when images change drastically.

Audio settings

“Mute” To turn off audio

“Internal microphone input gain” Modify the gain of the internal audio input

“Audio type” Select audio codec “AAC” or “GSM-AMR” and the bit rate

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Vivotek TC5633 Installation Guide Page 45