# phpman > man > Image::ExifTool::ASF(3pm)

## NAME
    [Image::ExifTool::ASF](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3AASF/markdown) - Read ASF/WMA/WMV meta information

## SYNOPSIS
    This module is used by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown)

## DESCRIPTION
    This module contains routines required by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown) to extract information from Microsoft
    Advanced Systems Format (ASF) files, including Windows Media Audio (WMA) and Windows Media Video
    (WMV) files.

## AUTHOR
    Copyright 2003-2022, Phil Harvey (philharvey66 at gmail.com)

    This library is free software; you can redistribute it and/or modify it under the same terms as
    Perl itself.

## REFERENCES
    <<http://www.microsoft.com/windows/windowsmedia/format/asfspec.aspx>>

## SEE ALSO
    "ASF Tags" in [Image::ExifTool::TagNames](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3ATagNames/markdown), Image::[ExifTool(3pm)](https://www.chedong.com/phpMan.php/man/ExifTool/3pm/markdown)