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. WMA is Windows Media Audio. WMA is a
new audio format developed by Microsoft well known as MP3.
With a higher rate in files compression and better sound
quality than the latter, even far beyond those of RA.
To convert wmv to wma, please install
the latest Windows Media Player which contains the latest
wmv codec or decoder.
Download
WMA Converter
which can convert wmv to wma file. Select a wmv file, set
the start time, the end time or audio encoding bitrate if
needed. The bitrate is bigger, the file size is bigger, the
audio quality is higher, and vice versa. Click the Convert
button to convert wmv to wma.

MPEG-2 is one of the formal
international standard of active image and sound coding
developed by MPEG (Moving Picture Exports Group) in 1994. It
consists of 9 standards itself ,and has many distinguished
features such as: high transfer rate and resolution,
broadcast-like video and CD-like audio, many ways of
surround channels and audio channels, etc. Besides, it
provides broader scope of changing compression ratio. With
those characters, MPEG-2 is adapted to HDTV which thus makes
MPEG-3 discarded before its birth.
To convert mpeg2 to wma, please
install a dvd player such as PowerDVD Player or WinDVD
Player for the mpeg2 decoder. VISTA has included the
decoder. |
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