Using
            the more complete resize settings in Resize, Resize nodes in Batch, or
            in the Resize soft effect, you can set or animate the position and
            size of the crop box and have a dynamic preview from which to view
            results while setting the resize settings.
         
         You can resize the entire
            source frame to the destination resolution using the Fill and Letterbox
            fit methods:
         
         
            - The Fill fit method produces the best
               results when the source and destination resolutions are the same
               aspect ratio, such as when resizing from NTSC to PAL, or from any
               of the 4:3 full-aperture flat film formats (2048x1536) to NTSC/PAL.
            
- The Letterbox fit method is good for
               resizing a 16:9 clip to a 4:3 clip without losing any of the 16:9
               original.
            
To resize a clip using the Fill fit method:
         
         
            - Access
               the Resize menu from the A/V Tools or from soft effects if you are
               working on the timeline.
            
- To fit the entire source frame into the
               destination frame, the crop box must be the same size as the source
               frame and aligned along its edges. Do one of the following:
               
                  - In the Width and Height fields, enter
                     the source frame resolution values. Make sure the crop box is centred
                     over the front clip.
                  
- Click the Source button next to the Clip
                     label to match the crop box width and height to the source clip.
                  
 
- From the Resolution Presets box, select
               the destination resolution. You can also select Custom and then
               enter width and height values in the W and H fields.
               The destination resolution
                  should be the same aspect ratio as the source. If not, the resize
                  process (using the Fill fit method) will stretch or squash the clip.
                NoteYou are not able
                     to define the output resolution in the Soft Resize menu. The output
                     resolution is determined by the project's resolution.
                   
- From the Fit Method box, select Fill
               to fit the source, width, and height to the destination resolution.
            
- From the Filter box, select a filter
               option.
            
- Depending on the source and destination
               resolutions, select a scan mode from the Scan Mode box.
            
- Process the result.
            
To resize a 16:9 source clip to a 4:3
            destination resolution using the Letterbox fit method:
         
         
            - Access
               the Resize menu for a 16:9 clip from the A/V Tools, in Batch, or
               from soft effects if you are working on the timeline.
            
- Click the Source button next to the Clip
               label to make the crop box the same size as the source frame.
            
- From the Resolution Presets box, select
               a 4:3 destination resolution. You can also set custom width and
               height in the W and H fields.
            
- From the Fit Method box, select Letterbox.
               Black bars appear above
                  and below the source frame, which itself is resized to fit the destination
                  frame.
                
- From the Filter box, select a filter
               option.
            
- Depending on the source and destination
               resolutions, select a scan mode from the Scan Mode box.
            
- Process the result.