Dahua DH-XVR5104HS-4KL-I3 User Manual page 116

Configure the settings for the main/sub streams parameters.
Table 5-20 Main/sub stream parameters
Parameter Description
In the Channel list, select the channel that you want to configure the
Channel
settings for.
Coding Strategy
Type
In the Compression list, select the encode mode.
Compression
In the Resolution list, select resolution for the video.
Resolution The maximum video resolution might be different dependent on your device
model.
Audio/video
General: Uses general coding strategy.
Smart Codec: Enables the smart codec function. This function can
reduce the video bit stream for non-important recorded video to
maximize the storage space.
AI Codec: Enables the AI codec function. This function can reduce the
video bit stream for non-important recorded video to maximize the
storage space.
Main Stream: In the Type list, select General, Motion, or Alarm.
Sub Stream: This setting is not configurable.
H.265: Main profile encoding. This setting is recommended.
H.264H: High profile encoding. Low bit stream with high definition.
H.264: General profile encoding.
H.264B: Baseline profile encoding. This setting requires higher bit stream
compared with other settings for the same definition.
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User's Manual