Determining The Memory Requirement Of A Recording - Eneo DTR-2009/250CD Operating Instructions Manual

Administration, continued

Determining the memory requirement of a recording

The amount of memory recorded video sequences will take up depends on the following factors:
● picture quality
● number of images per second
● duration
The memory requirement is calculated by this formula:
Memory requirement = picture size x duration of recording x images per second
Example calculation of CIF resolution (PAL):
Picture Picture
quality size
Basic 2.4 KB
Standard 4.8 KB
High 9.6 KB
Very high 14.4 KB
Example calculation of 2CIF resolution (PAL):
Picture Picture
quality size
Basic 4.8 KB
Standard 9.6 KB
High 19.2 KB
Very high 28.8 KB
20
Duration of
recording
5 images/s
24 hours 1.04 GB
24 hours 2.07 GB
24 hours 4.15 GB
24 hours 6.22 GB
Duration of
recording
5 images/s
24 hours 2.07 GB
24 hours 4.15 GB
24 hours 8.29 GB
24 hours 12.44 GB
Approx. memory space
10 images/s 25 images/s
2.07 GB 5.18 GB
4.15 GB 10.7 GB
8.29 GB 20.74 GB
12.44 GB 1.10 GB
Approx. memory space
10 images/s 25 images/s
4.15 GB 10.7 GB
8.29 GB 20.74 GB
16.59 GB 41.47 GB
24.88 GB 62.20 GB
DTR-20XX