Use the Preview window to audition input and output media
Use real-time previews to audition Filter and Geometry settings
Output test clips to preview Encoder and Frame Control settings
Compressor allows you to create and efficiently organize a series of encoding jobs and then process them unattended. This works especially well if you are comfortable with your encoder settings and have confidence in the output file quality.
But what do you do when you are not sure of the final quality or you want to experiment with different targets to find the perfect match for your source media? Encoding multiple test compressions of a two-hour movie is not an efficient use of your ...