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WMV to MP4/M4V: Convert Video from WMV(Windows Media Video) to MP4/M4V(MPEG-4 Video) with River Past Video Cleaner, WMV2MP4/M4V converter, conversion


What is WMV?

WMV stands for Windows Media Video -- developed and controlled by Microsoft. WMV is a generic name of Microsoft's video encoding solutions and doesn't necessarily define the technology what it uses -- since version 7 (WMV7) Microsoft has used its own flavour of MPEG-4 video encoding technology. DivX video format is originally based on hacked WMV codec.

Windows Media Format 11 adds support for HD video up to 1080P. WMF 11 runs only on Windows XP and Vista.

Additional information is available on Microsoft Windows Media page.


What is MP4/M4V?

A video compression standard planned for late 1998. MPEG-4 extends the earlier MPEG-1 and MPEG-2 algorithms with synthesis of speech and video, fractal compression, computer visualisation and artificial intelligence-based image processing techniques.

MPEG.ORG is an excellent source for additional information on MPEG format and usage.

To encode MP4 video, you will need River Past MPEG-4 Booster Pack in addition to your video software. Do not forget to have the latest QuickTime installed.


Additional Requirements 

To convert from WMV(Windows Media Video) to MP4/M4V(MPEG-4 Video) video with River Past Video Cleaner, you must have River Past MPEG-4 Booster Pack installed.

Launch River Past Video Cleaner

Once River Past Video Cleaner is installed properly, launch Video Cleaner.



Add File

Click on the "Add" button on the tool bar. The standard file open dialog appears. Select "WMV - Windows Media Video" in its "Files of type" combo box.


Select the file you want to convert and click "Open". The file will be added to the conversion file list.


River Past Video Cleaner


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 "Output Format" label to expand the panel. Select "MP4 - MPEG-4" as the "File Type".


Troubleshoot

If you have MPEG-4 Booster Pack installed, but don't see M4V as an output option, you have a problem with QuickTime installation.

Please make sure you have the latest QuickTime installed. Occasionally, QuickTime may be corrupted due to conflict with some other software. In any case, reinstalling QuickTime should fix this problem.

Note: To convert to MP4 (MPEG-4) video files, you must have Apple QuickTime installed.

Note: The MPEG-4 Booster Pack must be installed for the "MP4" output option to show.

Change Video Settings

Click on the toggle to the left of the "Video Settings" label to expand the panel.


Select "Specify" under "Size" and/or "Frame rate" to enter the video resolution and/or frame rate.


You can change the compressor, quality, size, and frame rate of the video.

The bitrate is in the unit of kbit/second. Use this formula to calculate the video size per minute:

Video size/minute (KByte/second) = bitrate / 8 * 60.

Change Audio Settings

Click on the toggle to the left of the "Audio Settings" label to expand the panel.


Select the audio compressor for the conversion. Depending on the compressor, you may also 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 Video Cleaner


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