Home Products Download Purchase Formats Freeware Support

Convert FLV to WMV

FLV to WMV Conversion Software converts FLV files to WMV. The software is an easy to use and professional video converter. FLV to WMV Conversion Software could choose the best fit bit rate automatically when converting file, so that the converter will keep original video and audio quality. And, size of outputted file is acceptable. You could also customize video size, frame rate, and bit rate. The software also supports common file format such as H.264, WMV, iPod, MPG / MPEG, MP4, Xvid, PS3, iPhone, etc. It could convert VID to Wii and DS, AVI to iPad, M4V to iPod touch, 3GPP to PS3, MPG to 3G2, VOB to iPod touch, and so on.

FLV to WMV Conversion Software supports batch conversion that enables you convert bulk FLV files to WMV at a time. The software is full compatible with 32-bit and 64-bit Windows 10/8/7/Vista/XP/2000.

FLV to WMV Conversion Software is compatible with Windows 10/8/7/Vista/XP/2008/2003/2000

What is FLV?
Flash Video is a container file format used to deliver video over the Internet using Adobe Flash Player (initially produced by Macromedia) versions 6-10. Flash Video content may also be embedded within SWF files. There are two different video file formats defined by Adobe Systems and supported in Adobe Flash Player: FLV and F4V. The audio and video data within FLV files are encoded in the same way as they are within SWF files. The latter F4V file format is based on the ISO base media file format and is supported starting with Flash Player 9 update 3.

The format has quickly established itself as the format of choice for embedded video on the web. Notable users of the Flash Video format include YouTube, Google Video, Yahoo! Video, metacafe, Reuters.com, and many other news providers. The standards documentation for BBC Online deprecates the use of other formats previously in use on its sites such as RealVideo or WMV.

Though the Flash Video container format itself is open, the codecs used with it are patented. Flash Video FLV files usually contain material encoded with codecs following the Sorenson Spark or VP6 compression formats. The most recent public releases of Flash Player also support H.264 video and HE-AAC audio.

Flash Video is viewable on most operating systems, via the widely available Adobe Flash Player and web browser plugin, or one of several third-party programs.

What is WMV?
Windows Media Video (WMV) is a compressed video file format for several proprietary codecs developed by Microsoft. The original codec, known as WMV, was originally designed for Internet streaming applications, as a competitor to RealVideo. The other codecs, such as WMV Screen and WMV Image, cater for specialized content. Through standardization from the Society of Motion Picture and Television Engineers (SMPTE), WMV has gained adoption for physical-delivery formats such as HD DVD and Blu-ray Disc.

A WMV file is in most circumstances encapsulated in the Advanced Systems Format (ASF) container format. The file extension .WMV typically describes ASF files that use Windows Media Video codecs. The audio codec used in conjunction with Windows Media Video is typically some version of Windows Media Audio, or in rarer cases, the deprecated Sipro ACELP.net audio codec. Microsoft recommends that ASF files containing non-Windows Media codecs use the generic .ASF file extension.

The ASF container can optionally support digital rights management 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.

Although WMV is generally packed into the ASF container format, it can also be put into the AVI or Matroska container format. The resulting files have the .AVI and .MKV file extensions, respectively. WMV can be stored in an AVI file when using the WMV 9 Video Compression Manager (VCM) codec implementation. Another common way to store WMV in an AVI file is to use the VirtualDub encoder.

Windows Media Video (WMV) is the most recognized video format within the WMV family. Usage of the term WMV often refers to the Microsoft Windows Media Video codec only. Its main competitors are MPEG-4 AVC, AVS, RealVideo, DivX, and Xvid. The first version of the codec, WMV 7, was introduced in 1999, and was built upon Microsoft's implementation of MPEG-4 Part 2. Continued proprietary development led to newer versions of the codec, but the bit stream syntax was not frozen until WMV 9. While all versions of WMV support variable bit rate, average bit rate, and constant bit rate, WMV 9 introduced several important features including native support for interlaced video, non-square pixels, and frame interpolation. WMV 9 also introduced a new profile titled Windows Media Video 9 Professional, which is activated automatically whenever the video resolution exceeds 300,000 pixels (e.g., 528x576, 640x480 or 768x432 and beyond) and the bitrate 1000 kbit/s. It is targeted towards high-definition video content, at resolutions such as 720p and 1080p.