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VOB to WAV: Extract Audio from VOB(DVD Media File) Video to WAV(Waveform) with River Past Audio Converter, VOB2WAV 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.


What is WAV?

The format for storing sound in files developed jointly by Microsoft and IBM. Support for WAV files was built into Windows 95 making it the de facto standard for sound on PCs. WAV sound files end with a.wav extension and can be played by nearly all Windows applications that support sound.



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 format

Use the setting panel on the bottom of the window to control the output format. Click on the toggle to the left of the "Format" label to expand the panel. Select "WAV - Waveform" as the "Audio Type".


You can change the compressor, and depending on the compressor, you can change the sample rate, channel (stereo or mono), bits/sample, and bitrate.


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


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   VOB to MP4/M4V
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   VOB to OGG
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   VOB to RA
   VOB to RM
   VOB to VOB
   VOB to WAV
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   VOB to XVID
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