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The PNG (Portable Network Graphics) is a method to store images by compressing images with no loss of information.
PNG files can store colors with up to 48 bits per pixel and gray scales with up to 16 bits per pixel. Moreover, it can also store an optional alpha channel for transparency.
When PNG is used in the connected network, it can correct gamma and color of images automatically. So you can accurately render the
images on different display devices.
WMV contains video and audio
streams respectively using Windows Media Video codec and
Windows Media Audio codec. ASF is Advanced Streaming Format. It
is an extensible file format developed primarily for storing
synchronized digital video, audio, subtitle streams, or
transmitting data on the internet. ASF is also a multimedia
container of Windows Media Video or Windows Media Audio.
To convert png to wmv or asf, please
download
JPEG Photo Converter, convert png to jpeg first. Then run
Picture To
Video Converter.
WMF (Windows Metafile) is a 16- bit graphic format appearing on MS Windows systems.
It became commonly used since the wide use of graphics formats, like GIF and JPEG. Windows graphic layers GDI can execute the WMF
format to store image. It contains the functions of compressing files, editing images and so on. Generally, a whole image is stored as
a sequence of separated parts. The images are often rough and can be edited only in Microsoft Office.
To convert wmf to wmv or asf, convert wmf to
jpg first like above.
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