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VOB to JPEG: Extract Audio from VOB(DVD Media File) Video to JPEG(JPEG Image) with River Past Audio Converter, VOB2JPEG converter, conversion


What is VOB?

VOB standards for "Video Object". It is the file type to store video on a DVD disc. It is actuallly a MPEG-2 video, with special extension to support PCM, AC3, DTS audio, subpictures, and button navigation commands.

To decode DVD-VIDEO, you will need both GPL MPEG-2 Decoder, and AC-3 Decoder.




Launch River Past Audio Converter

Once River Past Audio Converter is installed properly, launch Audio Converter.



Install Decoders

To decode DVD, you need to have a couple of free decoders installed.

The first one is GPL MPEG Decoder.

GPL MPEG Decoder

Next, install AC-3 Decoder Filter.

AC-3 Decoder Filter

Add VOB File

Click on the "Add Files" button on the tool bar. The standard file open dialog appears. Select "VOB - DVD Media(*.vob)" in its "Files of type" combo box.


You should only use "Add Files" to select VOB files if they are generated by a DVD authoring software and each VOB file represent a single video clip. Do not use "Add Files" to add the VOB files on a DVD disc or DVD image.

A DVD contains many video clips, which are then divided into cells/chapters. All of the video clips are then streamed together in one big block. The VOB files on the disc is just a way to divide the block into 1GB files to be compatible with older operation systems like Windows 95, who has a file size limit.

Each VOB file on the DVD may contain multiple videos. Each video may span over multiple VOB files. If you use "Add Files", only the first clip in that particular VOB file will be parsed and added.

This picture below makes it easier to understand.


In this case, if you use "Add Files" to add VTS_01_1.VOB, you will only get the still menu. If you use "Add Files" to add VTS_01_2.VOB, you will get the end of chapter 3... This is how file based decoding works.

If you want to convert from a DVD disc or DVD VIDEO_TS directory image, use "Add DVD". We will parse the DVD information and find all the cell breaks. You will get to select which cell to convert, from 2 to 5. Still menus are ignored.


River Past Audio Converter



Select output directory

Expand the "Output Directory" panel. Use the "Browse" button to select an output directory.



Convert

Click the "Convert" button on the tool bar.


River Past Audio Converter


   VOB to 3G2
   VOB to 3GP
   VOB to AIF
   VOB to AVI
   VOB to DIVX
   VOB to DV
   VOB to GIF
   VOB to JPEG
   VOB to M4A
   VOB to MKV
   VOB to MOV
   VOB to MP3
   VOB to MP4/M4V
   VOB to MPA
   VOB to MPEG-1
   VOB to MPEG-2
   VOB to OGG
   VOB to OGM
   VOB to RA
   VOB to RM
   VOB to VOB
   VOB to WAV
   VOB to WMA
   VOB to WMV
   VOB to XVID
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