Vivotek NR7401 User Manual download pdf (Page 46)

Chap.6 Bandwidth and Storage

Bandwidth and Storage

6.1 Bandwidth Management

Inordertoachieve efcientvideotransmission,itis importanttoevaluateyourbandwidth requirementsbefore

setting up an IP surveillance system.

6.1.1 Assessing Demands

Bandwidth requirements vary with the following factors.

● Resolution: the higher the resolution, the more bandwidth is required

● Complexity of the scene:

the more complicated the scene, the more bandwidth is required

● Compression type: the lower compression ratio, the more bandwidth is required

● Image quality: the higher image quality, the more bandwidth is required

● Frame rate: the higher frame rate, the more bandwidth is required

6.1.2 Calculation

To assess bandwidth requirements, you can use Calculator.exe to evaluate the number of packets sent. You can

downloadthelefromhttp://www.vivotek.com/downloadles/faq/audiovideo.

6.2 Storage

Besides bandwidth assessment, your storage space is also required to be evaluated, especially with megapixel

images.

6.2.1 Assessing Demands



The following factors must be taken into account when assessing storage demand:

●Thenumberofcamerasdeployed

●Recordingtime

●Recordingcriteria,suchasconstant,scheduledorevent-triggeredrecording

●Otherfactorssuchascodec,imagequalityandframerate

Chap.6

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Vivotek NR7401 User Manual Page 46