To preserve the pixel aspect ratio of video

1. On the toolbar, click Properties, click the Compression tab, and then click Edit.
2. On the General tab, select the Allow nonsquare pixel output check box, and then click OK.
3. Click the Video Size tab, and then in Pixel aspect ratio, specify the pixel aspect ratio of your input video. If you are using a custom pixel aspect ratio, the values you type must be between 1 and 255.

Related topics

• Preserving the pixel aspect ratio of video