TKH security BL2002PID User Manual page 27

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NOTE: Available compression standards vary according to device models.
H.264
H.264, also known as MPEG-4 Part 10, Advanced Video Coding, is a compression standard.
Without compressing image quality, it increases compression ratio and reduces the size of video file
than MJPEG or MPEG-4 Part 2.
H.264+
H.264+ is an improved compression coding technology based on H.264. By enabling H.264+, you
can estimate the HDD consumption by its maximum average bitrate. Compared to H.264, H.264+
reduces storage by up to 50% with the same maximum bitrate in most scenes.
When H.264+ is enabled, Max. Average Bitrate is configurable. The device gives a recommended
max. average bitrate by default. You can adjust the parameter to a higher value if the video quality
is less satisfactory. Max. average bitrate should not be higher than max. bitrate.
NOTE: When H.264+ is enabled, Video Quality, I Frame Interval, Profile, SVC, Main
Stream Smoothing and ROI are not supported.
H.265
H.265, also known as High Efficiency Video Coding (HEVC) and MPEG-H Part 2, is a compression
standard. In comparison to H.264, it offers better video compression at the same resolution, frame
rate and image quality.
H.265+
H.265+ is an improved compression coding technology based on H.265. By enabling H.265+, you
can estimate the HDD consumption by its maximum average bitrate. Compared to H.265, H.265+
reduces storage by up to 50% with the same maximum bitrate in most scenes.
When H.265+ is enabled, Max. Average Bitrate is configurable. The device gives a recommended
max. average bitrate by default. You can adjust the parameter to a higher value if the video quality
is less satisfactory. Max. average bitrate should not be higher than max. bitrate.
NOTE: When H.265+ is enabled, Video Quality, I Frame Interval, Profile, and SVC are not
supported.
I-Frame Interval
I-frame interval defines the number of frames between 2 I-frames.
In H.264 and H.265, an I-frame, or intra frame, is a self-contained frame that can be independently
decoded without any reference to other images. An I-frame consumes more bits than other frames.
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BL2002PID
User ManualBL2002PID
January 4, 2021 Meridiaan 32
2801 DA, Gouda
Page 27
The Netherlands