Sony XVS-7000 Users Guide - Page 291
DDR/VTR timeline usage notes, Device >DDR/VTR >Timeline menu 5332. You can
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• Variable Speed DDR/VTR timeline actions are configured using the Device >DDR/VTR >Timeline menu (5332). You can save the configured timeline in an effect register. Recalling a register and executing the effect will output an action command for the target device when the keyframe point configured with that action is reached. DDR/VTR timeline usage notes When controlling a disk recorder, AMP compatible device, or Extended VTR using a DDR/VTR timeline, note the following. • Up to eight files can be configured for a single timeline. • When carrying out keyframe settings, be sure to recall the file for operation first. • If the duration of the recorded video clip is less than the keyframe duration, after playback to the end of the clip, the remainder of the keyframe duration is filled with a still of the last frame of the clip. Example: When the recorded clip for KF1 has a duration of 15 frames 30 frames 30 frames 15 frames 15 frames : Interval for which clip is recorded : Interval in which still frame is displayed • During file playback, to play the next keyframe at variable speed, for the next keyframe set variable speed only, and do not set the start point. Playback Playback at set variable speed a) In KF2, set variable speed only, and do not set the start point. • When using a disk recorder with a timeline, if you carry out the following sequence of operations, playback may freeze on the frame of the start point. - Press the [RUN] button to play to a point close to the end of a file t stop playback t press the [RUN] button again. Perform the following operation if playback freezes. - Recall another register t recall the target register t press the [REWIND] button t press the [RUN] button. The following limitations may apply depending on the protocol of the target device. • Some operating limitations apply when the video disk communications protocol is used. These are explained with reference to the following figure, which illustrates creation of a timeline that plays from the video of file A to the video of file B. In this example, when keyframe 1 is executed, the first 15 frames consist of clip playback and the remaining 15 frames show the 15th frame as a still image. When controlling a disk recorder or AMP compatible device using a DDR/VTR timeline, note the following. • Set the keyframe duration to at least 30 frames. • From pressing the [RUN] button to the time when the effect actually starts execution may take around one second. In order that pressing the [RUN] button after [REWIND] makes the effect start execution as soon as possible, set cueing up of the file for operation as a rewind operation1). In the first keyframe2) to be executed with [RUN], for the cued-up file, do not set the start point, but set only the start command. 1) If the setting when the [REWIND] button is pressed is for the first keyframe to be executed, then the first keyframe is executed, and otherwise the setting for the Rewind Action is carried out. 2) If the setting when the [REWIND] button is pressed is for the first keyframe to be executed, then the second keyframe is executed, and otherwise the first keyframe is executed. • To execute an effect, be sure to carry out a Rewind. For example, when the start command only is set for a keyframe, playback starts from the current position, in the same way as with a VTR (no automatic cue-up). - Black video or still image appears momentarily when play switches from file A to file B: KF1 action setting Start Start Variable Speed set Cueup Operating status of file A Playback Playback Playing at variable speed Cueup KF2 action setting Start Cueup Cueup Cueup - Partial operating limitation: KF1 action setting Start Variable Speed set Cueup Operating status of file A Playback Playing at variable speed Cueup KF2 action setting Variable Speed set a) Variable Speed set a) Variable Speed set a) 291