Datavideo HS-1600T MKII Instruction Manual page 53

 8M
 6M
 4M
 2M
 1M
 512K
 256K
Recommended video bitrates
 720P or lower – 8 – 10 mbps
 1080P or higher – 15 mbps or higher
Encoder Mode
The Encoder Mode sets the video bitrate mode for your recording. The available modes are listed as
follows:
 High (8M)
 Medium (4M)
 Low (2M)
Tip: You can also switch between different bitrate modes by pressing the Bitrate button in the
H.264 Encoder button group. See
Profile
Profile sets the H.264 encoding profile for your recorder. The available options are Baseline, Main,
and High. Typically, High profile provides the best image quality and is suitable in most instances.
However, depending on the decoder used when viewing the recording, a Main or Baseline profile may
be required.
 High
 Main
 Baseline
Level
Levels specify the size of the video a decoder must be able to handle. They specify a maximum bit-rate
for the video and a maximum number of macroblocks per second. Level numbers range from 1 to 5
with intermediate steps (e.g., 1.1, 1.2, 1.3 and etc). The table below provides a summary of maximum
parameters supported by each H.264/AVC level.
Level Max. Video
ID Bitrate in kbits/s
1.0 64
1b 128
1.1 192
Section 6.4 for details.
Max Frame Size Max decoding speed in
in macroblocks macroblocks per second
99 1485
99 1485
396 3000
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Resolution, Frame Rate
(Max Stored Frames)
128×96@30.9 (8)
176×144@15.0 (4)
128×96@30.9 (8)
176×144@15.0 (4)
176×144@30.3 (9)
320×240@10.0 (3)