User Guide of DumboFab DVD Ripper for Mac
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Insert your DVD disc into your computer's DVD-Rom, start up DVD Ripper and click the Load DVD button to begin uploading files. You can also import ISO files, IFO files or DVD folder for conversion.

Tips: A DVD may contain many titles more than the main movie, such as the trailers or commercials. By default, DumboFab DVD Ripper choose the longest title which is usually contains the main movie. And this helps ripping without converting unnecessary titles.

This module of the software allows converting your DVDs to any common and uncommon video and audio formats. In addition to digital formats, Dumbosoft DVD Ripper also offers a library of preprogrammed optimization profiles for almost all popular devices, NLEs and many more.

Clicking the Format bar, you can choose output format from the format list or customize which formats to be shown on the list. As you see, all regular video and audio formats like MP4, MOV, MKV, WMV, AVI, FLV, MP3, WMA, WAV, M4A, etc. are provided.

If you want to convert your DVD movies for play on portable devices, including iPhone, iPad, iPod, HTC, Samsung Galaxy Tab S, Galaxy S5, S4, Nokia, SSony, PSP, Xbox 360 and more, you can simply browse to find device and select it as the output format to get videos with optimized settings. All idevice output files can be synced to iTunes automatically.

Tips: If you want to customize output video quality, click Settings button from the pop up window to customize video quality like resolution, frame rate, bit rate, audio quality etc.. You can also see the inner values of the source DVD file and the target output video under the Settings window.

Select One Audio and Subtitle Track (Optional)

Once the files are loaded, you can select one of audio or subtitle tracks you prefer from the corresponding drop-down Audio or Subtitle lists. As you see, you can also select Forced Subtitles if the movie contain forced subtitles.

Note: If you skip this step, by default, the program will select the first audio track and select no subtitle.

Besides digitizing DVD, DumboFab DVD Ripper also offers enough freedom for all DVD movie lovers like you to back up your favorite DVD movies in a personalized way. You can directly copy the main movie as a single VOB file or preserve DVD’s original file structure without changing anything.

By choosing Copy > Directly Copy, you are ale to copy the selected movie file in its original format without quality loss. When directly copy a DVD movie, you will get .vob as output. Finally, click Convert button to start the copy process.

If you want to preserve DVD’s original file structure without changing anything, you needn’t set here, just use Copy the entire disc feature. Once click the Copy the entire disc button, the program will directly copy the disc immediately.

The "Trim" feature allows users to decide where to start and where to end when converting the selected clip, so that unwanted segments will be cut out after conversion.

To trim a video, please switch to "Trim" tab in "Video Editor" Interface and follow any of the methods below:

1. Drag the control sliders to include the segment you want to remain.
2. Click the left square bracket to set start point, and click the right square bracket to set end point when previewing the video.
3. Input specific values to "Start" and "End" box.

Tips: DumboFab DVD Ripper also offers "Previous Frame" and "Next Frame" options for users to select frames and trim accurately.

The "Crop" facility enables users to get rid of the black edges and unwanted area of the image.

Switch to "Crop" tab, and follow the below methods to crop selected video:

A: Crop video by dragging and dropping the crop frame

Simply move your mouse cursor to drag and adjust the green frame to desired position.

B: Crop video by setting values

There are "Simple Mode" and "Advanced Mode" under Crop feature. In "Simple Mode", you can customize values in the box of "Left","Top" and "Crop Size" to make your crop decision.

Under Advanced Mode, there are four value fields: Left, Top, Width and Height. You can either type in specific values to the fields or adjust sliders to crop the source file.

Keep original aspect ratio and cropped aspect ratio

To keep original aspect ratio, users need make sure the "Display aspect ratio” and the 'Size (pix)" in "Settings" option are all set as "Original". If you want to keep the cropped aspect ratio, DumboFab software offers several aspect ratios for you to choose from, including 16:10, 16:9, 5:4, 4:3, 3:2, and 2:1.

Once you selected a "Display aspect ratio", the "green crop frame" will keep this ratio to crop video and you are able to preview the final effect in real time. If you want to keep the same aspect ratio in your final output files, do remember to set the Video "Size (pix)" in "Settings" section as the same ratio as display aspect ratio. For example, if you want to export a file with "3:2" aspect ratio, firstly, you choose "3:2" in "Display aspect ratio", and then go to "Settings" section to adjust the Video "Size(pix)" as 720x480 or 1440x960. After finished, click "OK" to confirm.

Under Subtitle tab, check Enable, and then you can add *.srt or *.ass/*.ssa subtitle-files to the video as hard subtitles.

DumboFab DVD Ripper allow users to add text, image and video watermark to stamp your videos with your name or other indentifying marks.

Under Text Watermark tab, check Enable, and then you can create a text watermark to personalize your video. Type whatever text you want in the blank input field next to it. You can also adjust the font, transparency, vertical and horizontal position of your watermark.

Under Image/Video Watermark tab, check Enable, and then add images or videos as watermark onto selected video file. The location can also be set by dragging on the preview screen.

Under Effect tab, you can add special effects like Simple Gauss Blur, Flip Color, Invert, Aged Film to your source video. In Color Control section, you can correct color by adjusting brightness, contrast, and saturation. You can also tick off "Deinterlacing" to keep good image quality.

You can adjust the file volume by moving the slider.

Under Audio Editor tab, check Enable, and then you can either replace/remove original audio, or set audio fade in/out effects.

There're flip horizontal and flip vertical, anticlockwise and clockwise 4 options for you to rotate the video.

Flip Horizontally: Click to flip the image horizontally.

Flip Vertical: Click to flip the image vertically.

Rotate conunter-clockwise: Click to rotate the image 90°towards left.

Rotate clockwise: Click to rotate the image 90°towards right.

By clicking the Split button on file list, or choose Split from "Edit" menu, you can launch the "Video Split" window. Checking "Enable" to enable it, and then you can split the file by file count, time length, or file size.