The following options are available in the Standard Video Compression Settings dialog box:
If the Quality slider is available under Compressor, drag the slider or type a value to adjust the exported video’s picture quality and, consequently, its file size. If you are using the same Codec to capture and export, and you’ve rendered previews of a sequence, you can save rendering time by matching the export quality setting with your original capture quality setting. Increasing quality above the original capture quality does not increase quality, but may result in longer rendering times.
The following settings are available in the Export Size Settings dialog box: