Vivotek PD8136 User Manual page 102

VIVOTEK
If you enable adaptive recording on the camera, only when an event is triggered on the camera will the
server record video streams in the full frame rate; otherwise, it will only request the I frame data during
normal monitoring, thus effectively save lots of bandwidth and storage.
Bandwidth
I frame ---> Full frame rate ---> I frame
Bandwidth
Activity Adaptive Streaming
for Dynamic Frame Rate Control
Continuous recording
The alarm trigger includes: motion detection and DI detection. Please refer to Event settings on page 84.
■ Pre-event recording and post-event recording
The Network Camera has a buffer area; it temporarily holds data for up to a certain limit. Enter a
number to decide the duration of recording that will take place before and after a trigger is activated.
■ Priority: Select the relative importance of this recording (High, Normal, or Low). Recording with a higher
priority setting will be executed first.
■ Source: Select a stream as the recording source.
NOTE:
► To enable recording notification, please configure Event settings first. Please refer to page 84.
Please follow steps 1~2 below to set up the recording:
1. Trigger
Select a trigger source.
■ Schedule: The server will start to record files on the local storage or network storage (NAS).
■ Network fail: Since the time when the network fails, the server will start to record files on the local
storage (SD card).
102 - User's Manual
NOTE:
► To enable adaptive recording, please make sure
you've set up the trigger source such as Motion
Detection, DI Device, Audio detection, or Manual
Trigger.
► When there is no alarm trigger:
- JPEG mode: record 1 frame per second.
- H.264 mode: record I frame only.
- MPEG-4 mode: record I frame only.
► When the I frame period is >1s on Video settings
page, it should be forced to make the I frame period
Time
to 1s when adaptive recording is activated.