Change The Sampling Rate Of Video In Virtualdub

Change the sampling rate of your home movies to give them a TV or movie look.

VirtualDub video software allows users to capture video, edit video clips and convert video files into other file formats. Once you’ve edited the video clip, you might want to change its sampling rate, which controls the frames-per-second rate at which the video file plays. For example, you can tweak the frames per second rate to give your video either a “television” or a “movie” appearance. Change the video sampling rate in VirtualDub by opening the video file and changing the program’s “Video” options.


1. Launch VirtualDub.

2. Click “File” in the main program menu. Select “Open Video File” from the drop-down menu. Click and highlight the video file that you want to open, then click the “Open” button.

3. Click “Video” in the main program menu. Select “Frame Rate” from the drop-down menu.

4. Click the radio button beside “Change Frame Rate to (FPS)” in the “Source Rate Adjustment” section of the Video Frame Rate Control dialog box.

5. Type your preferred frame rate for the video clip into the input field next to the radio button that you’ve just clicked. You can select any frame rate, but most TV broadcasts uses a frame rate of 25, while movies use a rate of 30.

6. Click the radio button beside “Process all Frames” in the “Frame Rate Conversion” section. Click the “OK” button and save the video file to implement the changed sampling rate.

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