Abus Eyseo TV7220 설치 지침 매뉴얼 - 페이지 16

{카테고리_이름} Abus Eyseo TV7220에 대한 설치 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Abus Eyseo TV7220 20 페이지. Progressive scan ccd network camera

Administrator settings

Best performance is produced by the maximum frame rate with best video quality and minimum

network bandwidth. The three factors "Max frame rate", "Constant bit rate" and "Fixed quality" on the

video configuration page are interrelated.

Mobile access to the network camera

Many modern mobile telephones support access to MPEG4 videostream and GSM-AMR audio data.

Due to restricted bandwidth, only a maximum resolution of 176x144 pixels is supported.

For high frame rates

To obtain a good visual realtime effect (more than 20 frames/s), the network bandwidth must be

sufficiently large. If the network bandwidth is higher than 1 Mbps, the value for the "Constant bit rate"

must be set to 1000Kbps or 1200Kbps and the "Fixed quality" to the highest quality. In the PAL

system, the maximum frame rate is 25, and in the NTSC system, 30 frames per second. If your

network bandwidth is more than 384Kbps, you can fix the bit rate according to your bandwidth and the

maximum frame rate to 25 or 30 fps (frames per second). If the pictures in your environment are

changed drastically, you can reduce the maximum frame rate to 20 frames per second to set the data

transmission rate lower. This gives you a better video quality, and the human eye cannot distinguish

between 20, 25 and 30 frames per second. If the network bandwidth is less than 384 Kbps, adjust the

"Constant bit rate" according to the bandwidth and try to get the best performance by fine-tuning the

"Max frame rate". In a "slow" network, a high frame rate results in unclear, distorted images. Another

way to improve quality is to select "176x144" in the "Size" option, or "320x240" for a larger view of the

pictures. Video quality also depends on the number of users in the network. Performance can also be

affected by a bad connection and by a restriction of the network burst.