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VIVOTEK
158 - User's Manual
If you enable adaptive recording on Camera A, only when an event is triggered on Camera A will the
server record the streaming data in full frame rate; otherwise, it will only request the I frame data during
normal monitoring, thus effectively save lots of bandwidths and storage.
The alarm trigger includes: motion detection and DI detection. Please refer to Event settings on page 128.
■ Pre-event recording and post-event recording
The Network Camera has a buffer area; it temporarily holds data up to a certain limit. Enter a number
to decide the duration of recording 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 rst.
■ Channel # Stream #: Select a channel and a stream under it as the recording source.
► To enable adaptive recording, please also enable time shift caching stream and select a caching
stream on Media > Video > Stream settings. Please refer to page 77 for detailed instruction.
► To enable recording notication please congure Event settings rst. Please refer to page 128.
Time
Bandwidth
Bandwidth
Activity Adaptive Streaming
for Dynamic Frame Rate Control
I frame ---> Full frame rate ---> I frame
Continuous recording
► To enable adaptive recording, please make sure
you’ve set up the triggering sources such as Motion
Detection, DI Device, or Manual Trigger.
► When there is no alarm trigger:
- JPEG mode: record 1 frame per second.
- H.265/H.264 mode: record the I frame only.
► When the Intra frame period has been set to larger
than >1s on Video settings page, the Intra frame
period will be forced into 1s when the adaptive
recording is activated.
NOTE:
NOTE:
■ Recording name: Enter a name for the recording setting.
■ Enable this recording: Select this option to enable video recording.
■ With adaptive recording:
Select this option will activate the frame rate control according to alarm trigger. The frame control
means that when there is a triggered alarm/event, the frame rate will raise up to the value you’ve set
on the Stream setting page. Please refer to page 77 for more information.
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