Notice: Firmware Links Under Maintenance We are currently undergoing maintenance on all firmware links. If any links are inaccessible, please email or contact Tech Support for the firmware. We appreciate your patience during the maintenance, thank you for your understanding.
News/H.264 Plus vs. H.264
Contents
H.264+ Smart Codec vs H.264
Here are my finding, attached are the graphs and metrics I have taken: Storage (using SD card file size): Comparison Smart Codec vs No Smart Codec:
Still: 60.42% Decreased file size
Movement: 21.10% Decreased file size
Network (using solar winds on SNMP): Comparison Smart Codec vs No Smart Codec:
Still: 40% Decreased stream throughput
Movement (using LPR wheel): 16.84% Decreased stream
Observation
- How much bandwidth does Dahua's new H.264+ Smart Codec save compared to H.264?
- What are the shortcomings, if any, to using H.264+ Smart Codec?
- What equipment is required to take advantage of H.264+ Smart Codec?
Hypothesis
H.264+ Smart Codec will be more efficient than H.264. I expect a reduction of 20-50% in bandwidth over H.264.
Experiment
| H.264 Plus codec on: | H.264 Plus codec off: |
| Still Scene: 16158 KB | Still Scene: 40822 KB |
| Moving Scene: 37351 KB | Moving Scene: 47338 KB |
| H.264 Plus codec on: | H.264 Plus codec off: |
| Still Scene: 180 Kbps per stream | Still Scene: 300 Kbps per stream |
| Moving Scene: 790 Kbps per stream | Moving Scene: 950 Kbps per stream |
