Step 2: Output Settings
Choose the audio format (MP3, WAV, AC3, OGG, APE) if you just want to extract audio from videos on Mac and then specify a directory to save the output files. If you don't want to use the default video and audio encoding settings, just click "Settings" button to customize settings.
Video: Set video encoding settings by selecting a resolution, a frame rate, a bit rate and a video encoder.
Step 2: Drag the slider to set the starting time and ending time, and then click "OK".
Step 2: Select an output aspect ratio and the available options are: Keep Original, Full Screen, 16:9 and 4:3.
You'll find "Merge into one file" at the bottom of the main interface, after you select the titles and chapters you want to rip and finish the output settings, you can tick the check box of " Merge into one file" to merge several titles or chapters into one.
Step 2: After the files are added, preview the video and click "Snapshot" button to capture picture.
Step 3: You can click the Snapshot Folder button to view the captured pictures.
Step 3: Define your own output settings and then click "ok". You'll find the saved format in the drop down list of output formats in "user- defined" category.