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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 74 for more information.
. If you enable adaptive recording and enable time-shift cache stream 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.
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 manual trigger, etc. Please refer to Event settings on
page 87.
■ 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 first.
■ Source: Select a stream for the recording source.
NOTE:
■ To enable recording notification, please configure the associated Event Settings first, please refer to
page 87.
NOTE:
► To enable adaptive recording, please make sure
you've set up the trigger sources such as Motion
Detection or Manual Trigger.
► When there is no alarm trigger:
- JPEG mode: record 1 frame per second.
- H.264 mode: record the I frame only.
- MPEG-4 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
Time
recording is activated.
VIVOTEK
User's Manual - 101
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