CHV-electronics

The Time-collection


TimeControl V4.0

Control the speed of a clip with 16 adjustable markers

General Info


TimeControl is used to change the speed of a clip in a specific way. You can define up to 16 Markers and tell these Markers how fast a specific frame and section has to be played. This enables you to speed up and slow specific parts of your clip.

The speed between two markers will be interpolated to create a smooth speed up or slow down effect. Therefore TimeControl works with the new single field rendering system to ensure absolute smooth and perfect animations.

Configuration

Source-Clip Settings


The first set of controls are the source-clip settings.

Source type
Select "Interlaced Video" if you use PAL- or NTSC-footage. Select "Progressive Video" for all any other footage.

Clip
You must provide TimeControl with a clip. Drag and drop the clip you want to modify onto this image-well.

Offset Clip
If you don't want to use the clip from the beginning, you can define an offset here. Do not keyframe this parameter!

Aspect Ratio
Use Sequence resolution
Choose this option if your footage uses the same resolution as your Sequence.

4:3, 3:2, 5:4, 16:9, 40:27
Choose one of these options if you know the aspect ratio of the applied footage.

Use manual vertical resolution
Adjust the aspect ratio if none of the above settings fits and use the below control for the adjustment.

Manual vertical resolution
This option is only active if Aspect Ratio is set to Use manual vertical resolution. Adjust the aspect ratio of your footage with this slider.

Add Offset
This adds a specified amount of frames to the result. You can keyframe this setting in the timeline if you don't end up with an integer-value after a speed-change.

Frameblending ?
If you like, you can turn off the frameblending function with this feature.

FlickerFilter
In some cases it is usefull to deflicker the clip. This can be done easily with this setting. You can keyframe this slider for best results.

Canvas Settings


With this section you can select which information will be shown in the canvas.

Canvas Mode
This defines what information will be shown in the Canvas.

Source
The canvas shows the frame which is currently selected in the Timeline.

Final
The canvas shows the frame that will be at the current position in the Timeline after you have rendered the clip.

Source and Final
With this setting you can see the Source frame and the Final frame. This setting is a combination of the first two modes.

Single Marker (Filmstrip)
This setting will show a filmstrip with five frames. The frame in the center is the selected marker. The surrounding frames show the surrounding frames.

Single Marker (Fullscreen)
With this setting the canvas will only show the currently selected marker.

All Markers
This page gives you an overview of all marked frames.

Marker (Single Marker)
This option is only active when Single Marker (Filmstrip or Fullscreen) is selected. You can define with this control which Marker will be shown in the canvas.

Mode
This option is only active if Source and Final is selected. It defines if the timeline in the canvas is based on the Source- or the Destination-speed. The red and blue line in the canvas show which frames are currently used calculated relatively to the markers.

Show Info
Check this feature to turn the information on or off when the first two settings in the Display-Mode are selected.

Markers


Here you can define up to 16 Markers and their corresponding speed.

Marker 1-16
Speedfactor 1-16
You must use the controls of the Markers to define the speed you like to have at the given frame. Do not keyframe the Markers and the Speedfactors! Set the Display-Mode to Source and then select the desired frame with the playhead in the timeline. The framenumber will be shown in the canvas. Then set the corresponding Speedfactor with the sliders in this section.

Do not keyframe the Markers and the Speedfactors in the timeline. You would get strange results.

An example: If you have a clip that shows a car crashing on a wall at frame 120 and you want to see the crash in slow motion, these settings would be perfect:

Marker 1:
Frame: 100
Speedfactor: 1

Marker 2:
Frame: 120
Speedfactor: 0.2

Marker 3:
Frame: 150
Speedfactor: 0.2

Marker 4:
Frame: 160
Speedfactor: 1
  1. The clip will run with normal speed from frame 0 to 100.
  2. From frame 101-120 the clip will slow down to 1/5th of normal speed.
  3. The frames 121 to 150 will be shown with 1/5th of normal speed.
  4. From frame 151-160 the clip will speed up again to normal speed and then keeps its speed.
All Markers must be set up in a consecutive order. Unused Markers must be set to "0".

If you only use "Marker 1" and all other Markers are set to "0", the whole clip will be rendered with the speed defined by "Speedfactor 1".

The example above shows a slow-down, followed by a speed-up. If you slow down a clip to the speed 0 (zero) there is no chance to speed-up the clip again, because the frame wont advance again. You would have to put a second TimeControl directly behind the first one in the timeline starting with the frame where the first TimeControl "stopped". You can do this with the Offset-slider. But don't start the second TimeControl with a Speedfactor of "0". You have to start with a higher setting.

With the offset-slider you can choose the first frame of a clip. The length of TimeControl in the timeline combined with the given Speedfactors in the Controls defines how much of the source-clip will be used.

Note: The Final Cut Express version of TimeControl does not provide you with keyframes for the Markers. This is done by intention, because the Markers should not be keyframed.

The Canvas-modes


This section describes the different information in the canvas provided by the six Display-Modes.

Canvas-Mode: Source

Source Frame
This is the framenumber of the currently selected frame of the source-clip.

Source Duration
This is the total length of the provided source-clip.

Source needed
The is the number of frames that are currently used by TimeControl. If more frames are used than the source-clip provides, the information "END OF CLIP" will appear.

Length of Timeline
This is the length of TimeControl in the timeline. You can change the length by changing the length of TimeControl in the timeline.

Used Markers
This is the number of markers that are currently used.

Current Speed
After you have rendered the clip the currently visible frame will be seen with the shown speed.

Canvas-Mode: Final

Final Frame
This is the framenumber of the frame that will be seen at the current position in the timeline after rendering.

Source Duration
This is the total length of the provided source-clip.

Source needed
The is the number of frames that are currently used by TimeControl. If more frames are used than the source-clip provides, the information "END OF CLIP" will appear.

Duration of Timeline
This is the length of TimeControl in the timeline. You can change the length by changing the length of TimeControl in the timeline.

Used Markers
This is the number of markers that are currently used.

Final Speed
After rendering the shown frame will be seen with this speed.

Canvas-Mode: Source and Destination

This is a combination of the first two Display-Modes. On the left you can see the Source-frame, on the right the Final-frame.

The graph below shows how the speed of the clip develops over time.

The numbers below represent the markers.

The blue line shows the position of the currently used frame.

The red line shows the current position of the playhead in the timeline.

Canvas-Mode: Single Marker (Filmstrip)

With this mode you can see the selected Marker on a filmstrip. The filmstrip shows the surrounding frames to make it easier to "aim" at a specific frame.

Select the Marker you want to see with the popup-menu Marker (Single Marker).







Canvas-Mode: Single Marker (Fullscreen)

This mode simply shows the selected Marker fullscreen.

Select the Marker you want to see with the popup-menu  Marker (Single Marker).









Canvas-Mode: All Markers

Here you can see an overview of all used markers and their given speed. If a frame is selected that is beyond the
source-clip, the information "END OF CLIP" will appear.
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