WMV is a kind of ASF container
format. WMV contains video and audio streams respectively
using Windows Media Video codec and Windows Media Audio
codec. It is a compressed proprietary video file format for
internet streaming. Microsoft has developed several wmv
codec version 4.0, 7.0, 9.0, 9.5, 11 at present.
wmv, please install the latest Windows Media Player which
contains the latest wmv codec first.
Audio Video Synchronizer which can synchronize
audio/video of a wmv file.
Click the Options button, select Output
Format as WMV in the following dialog box.
1. The default Resolution
is original size of the clip. If you want to change the
resolution of the clip, you can choose other resolutions
or Custom size.
2. Resize mode:
ratio: The video is resized to fit the target frame
along one dimension, while preserving the aspect ratio.
If the ratio of width to height in the image does not
match the ratio in the target frame, it creates a
Stretch: The video is
stretched to fit the target frame size in both
dimensions, without preserving the aspect ratio.
If you want to adjust
the aspect ratio of the output clip, please choose the
Stretch mode and change a new resolution.
3. If you want to change
the size of output file, Please change the Video
encoding bitrate or Audio encoding bitrate. The
Encoding bitrate is bigger, the picture or sound is
clearer, but the output file is bigger.
RealMedia is created by RealNetworks
Inc. RV stands for Real Video.
To synchronize/sync rv or realmedia,
please install the latest
RealPlayer if your Windows has not installed it.
RealMedia Splitter, use the command line "regsvr32
RealMediaSplitter.ax" to register it.
There is not rv muxer based
on DirectShow at present. It is better to select wmv as