AVIFrate Designed to be a free tool that will allow you to change many important fields in an avi file header
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AVIFrate Tags

change Changer frame rate Change MPEG2 header avi header file header header change avi frame rate frame rate changer change header expand header file header file expander Patch File Header File Header Patcher File to Header create header file source file header header file guard fits file header editor display fits file header

AVIFrate Description

Most often you need to adjust the frame rate of the avi video stream. The frame rate is determined when you play a file by simple formula: fps=dwRate/dwScale · where fps is "frames per second" playback speed, dwRate and dwScale are fields of the video stream header. After you change these values, AVIFrate will re-calculate frame rate and will allow you to write it directly into the file header. You can undo changes made until you exit AviFrate. This allows you to try out some values before you decide to keep them. Next important thing to change is so-called fourcc field. It is used by Windows to determine which codec should be used to decompress video during playback. There are few codecs that have different fourcc field but, in fact, they use the same compression scheme. If you have some other codec that differs from mentioned in an avi header, you may try to change these four characters to meet the expected codec. Main features: it allows you to undo changes made until you exit. So, there is less chances to damage your avi files by wrong settings it does few checks before it starts file change. This will prevent you from editing of winword.exe, for example it has the smallest seen executable size for now. Just think about greatly decreased download time and enjoy!

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