M4R to ASF
Convert M4R to ASF, M4R to ASF Converter
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M4R to ASF Converter converts M4R to ASF. The software is an ALL-IN-ONE audio converter that supports more than 100 audio and video files.
M4R to ASF Converter supports batch conversion and is full compatible with Vista and Windows 7.
What is M4R?
What is ASF?
ASF is based on serialized objects which are essentially byte sequences identified by a GUID marker.
The format does not specify how (i.e. with which codec) the video or audio should be encoded; it just specifies the structure of the video/audio stream. This is similar to the function performed by the QuickTime, AVI, or Ogg container formats. One of the objectives of ASF was to support playback from digital media servers, HTTP servers, and local storage devices such as hard disk drives.
The most common filetypes contained within an ASF file are Windows Media Audio (WMA) and Windows Media Video (WMV). Note that the file extension abbreviations are different from the codecs which have the same name. Files containing only WMA audio can be named using a .WMA extension, and files of audio and video content may have the extension .WMV. Both may use the .ASF extension if desired.
ASF files can also contain objects representing metadata, such as the artist, title, album and genre for an audio track, or the director of a video track, much like the ID3 tags of MP3 files. It supports scalable media types and stream prioritization; as such, it is a format optimized for streaming.
The ASF container provides the framework for digital rights management in Windows Media Audio and Windows Media Video. An analysis of an older scheme used in WMA reveals that it is using a combination of elliptic curve cryptography key exchange, DES block cipher, a custom block cipher, RC4 stream cipher and the SHA-1 hashing function.
ASF container-based media is usually streamed on the internet either through the MMS protocol or the RTSP protocol.
M4R to ASF Related Topics: AMR to ASF, DTS to ASF, AC3 to ASF, S3M to ASF, MKA to ASF, RMI to ASF, AAC to ASF, SHN to ASF, RAM to ASF, ALAW to ASF, SND to ASF, ALAC to ASF, ADX to ASF, ULAW to ASF, AWB to ASF, GSM to ASF, XM to ASF, MO3 to ASF, SOL to ASF, WAV to ASF, APE to ASF, MXF to ASF, F4A to ASF, MOD to ASF, CD to ASF, NSA to ASF, KAR to ASF, FLAC to ASF, AIFC to ASF
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