Compressor: Reverse Telecine

With Apple Compressor, you can use a process known as reverse telecine to convert video material recorded with a frame rate speed of 23.98 frames per second (fps) to 29.97 fps (other frame conversions are also available). This is particularly useful when working with video that was recorded using the PAL format (recorded at 25 fps) that you want to convert to the NTSC standard for viewing on televisions, DVD players or other devices in areas where the PAL standard is not supported (for example, the United States).

Although reverse telecine may seem a little complicated, the process is actually pretty simple using Compressor. Nevertheless, this step-by-step guide will show you how.

What You Will Need

  • A computer with Apple Compressor installed
  • A source video to edit

Step 1: Open the Video File to Be Edited

Launch Compressor and then open the video source file that you want to edit.

Step 2: Open the Inspector Pane Window

If you have not changed the default Open behavior of Compressor, the Inspector pane should be visible whenever you open or create a video file. If the Inspector pane is not visible, use the 'Spotlight Box' at the top right hand corner of the screen to open the pane. Alternatively, you can click on the 'View' menu on the menu bar and enable the Inspector pane.

Step 3: Open Encoder Tab

Once the Inspector window pops up, you will notice that there is a series of six mini icons located near the top of the window. The icons are located directly beneath the 'Name' and 'Description' fields. Click on the second icon, which resembles a Dollar Sign ($). This is the encoder launch icon.

Step 4: Select Video Settings

On the Encoder page, you will need to choose the options for the output video file you wish to create. Therefore, choose the video format you want to use, and then choose the video and audio settings you want to encode the new video file with by clicking on the 'Settings' button for each. When selecting video settings, choose a frame rate of 23.98 fps. You can use the compression type and quality of your choice. Remember, higher quality video files are much larger in size. Click 'OK' and then 'Save'.

Step 5: Go to the Format Controls Tab

Click on the middle icon on the Inspector pane. The icon resembles a small camera.

Step 6: Turn On Format Controls

Click the star shaped icon in the button next to the 'Frame Controls' to enable the drop-down box. Change the setting from 'Off' to  'On'.

Step 7: Apply Reverse Telecine to the Project File

Open the 'Deinterlace' options drop-down box and select 'Reverse Telecine'.

Step 8: Save the Format Settings

Click on the 'Save' button to commit changes in the encoder.

Step 9: Apply Filters and Other Options

Click on the other mini icons in the Inspector pane to adjust desired filter options or change the pixel size or aspect ratio of the video.

Step 10: Encode the Project File

Click on the 'Submit' button on the main Compressor screen. On the small pop-up screen, enter a name for the video file and click 'Submit' again. Compressor will then begin encoding the new video file.

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