Canon VK-16 v2.1, Руководство администратора

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10-6
Functional Limitations on MPEG-4
VB-C500D and VB-C60 supports MPEG-4 format video in addition to JPEG format video.
However, this are several functional limitations as follows.
Live Viewing
• The following video window settings become disabled, and the frame rate setting of the camera takes
effect.
• Max. Live Frame Rate
• Auto Adjust Frame Rate
• Synchronization of audio and video is not guaranteed.
• A message is displayed if you attempt to display 21 or more MPEG-4 video windows.
Video Recording
• The recording frame rate cannot be set for the following recording modes.
• Constant recording
• Motion detection recording
• Sensor recording
• The [ Reduce recording frame rate when disk is under high load ] setting in the Storage Server Settings
Tool becomes disabled.
• [ Record Now ] only supports the JPEG format, and cannot record in MPEG-4 format.
Playback
• Although the following controls can be used when playing back video recorded in MPEG-4 format,
the rewind and nudge back controls do not function.
• Specify playback time using the timeline
• Begin playback from the live event viewing window and event search window
• Pause, fast forward, nudge forward, previous event, next event
• If a schedule that had previously been recording in MPEG-4 format is switched to recording in JPEG
format, when rewind playback from the JPEG format time range enters the MPEG-4 time range,
although the rewind playback continues, the video is not displayed and an error stating "No
Recorded Video." is displayed.
• If you attempt to save a time range of recorded video that spans multiple recording schedules, only
the video recorded in the oldest schedule is saved.
• The MPEG-4 format video recorded using this software cannot be played back in other software.
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