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For Viewing by Mobile Phone
Most 3GPP cell phone supports media streaming with MPEG4 video and GSM-AMR
audio. Due to the limitation of the bandwidth for 3GPP, only 176x144 video solution will
be supported for cell phone viewing. Select the “Configure for mobile viewing” option
will change the range of other related video settings.
For Best Real-time Video Images
To achieve good real-time visual effect, the network bandwidth should be large enough
to allow a transmission rate of greater than 20 image frames per second. If the
broadband network is over 1 Mbps, set the “Fix bit rate” to 1000Kbps or 1200Kbps, and
set “Fix quality” at the highest quality. The maximum frame rate is 30. If your network
bandwidth is more than 512Kbps, you can fix the bit rate according to your bandwidth
and set the maximum frame rate to 30 fps. If the images vary dramatically in your
environment, you may want to slow the maximum frame rate down to 20 fps in order
to lower the rate of data transmission. This allows for better video quality and the
human eyes cannot readily detect the differences between those of 20, 25, or 30
frames per second. If your network bandwidth is below 512 Kbps, set the “Fix bit rate”
according to your bandwidth and try to get the best performance by fine-tuning with
the “Maximum frame rate”. In a slow network, greater frame rate results in blur images.
Another work-around is to choose “160x120” in the “Size” option for better images.
Video quality performance will vary somewhat due to the number of users viewing on
the network; even when the parameters have initially been finely tuned. Performance
will also suffer due to poor connectivity because of the network’s burst constraint.
Only Quality Images Will Do
To have the best video quality, you should set “Fix quality” at “Detailed” or “Excellent”
and adjust the “Maximum frame rate” to match your network’s bandwidth. If your
network is slow and you receive “broken” pictures, go to the TCP protocol in
“Connection type” and choose a more appropriate mode of transmission. The images
may suffer a time delay due to a slower connection. The delay will also increase with
added number of users.
User's Manual - 18
VIVOTEK - A Leading Provider of Multimedia Communication Solutions
- IP Surveillance 1
- 2007/11/10 2
- Before You Use This Product 3
- Table of Contents 4
- User's Manual - 4 5
- 5 - User's Manual 6
- Package Contents 7
- Installation 8
- Software installation 9
- Check Network Settings 10
- How to Use 11
- Installing plug-in 12
- Primary user’s capability 13
- Digital Zoom 14
- Snapshot 14
- Client settings 15
- 15 - User's Manual 16
- Digital output 17
- Administrator’s capability 18
- www.vivotek.com 19
- Build a security application 22
- Software revision upgrade 23
- Definitions in Configuration 24
- User's Manual - 24 25
- System parameters 26
- Security settings 27
- Network settings 28
- RTSP Streaming 29
- 29 - User's Manual 30
- User's Manual - 30 31
- Access List 32
- Audio and Video 33
- Audio settings 34
- Image Settings 35
- Email & FTP 36
- User's Manual - 36 37
- Motion detection 38
- Application settings 39
- Weekly schedule 40
- Snapshot file name prefix 40
- Digital input 40
- Sequential operation 41
- Method for sending snapshot 41
- User's Manual - 42 43
- User's Manual - 44 45
- User's Manual - 46 47
- System log 48
- Viewing system parameters 49
- Maintenance 50
- Appendix 51
- Get server parameter values 52
- Set server parameter values 53
- 53 - User's Manual 54
- User's Manual - 54 55
- 55 - User's Manual 56
- User's Manual - 56 57
- 57 - User's Manual 58
- User's Manual - 58 59
- 59 - User's Manual 60
- User's Manual - 60 61
- 61 - User's Manual 62
- User's Manual - 62 63
- 63 - User's Manual 64
- Application page CGI command 65
- Capture single snapshot 66
- Account management 67
- System logs 68
- Configuration file 69
- Upgrade firmware 69
- 69 - User's Manual 70
- Tel: 408-773-8686 71
- Fax: 408-773-8298 71
- E-mail: [email protected] 71
- Technology License Notice 72
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