What is meta-file (.ASX, .WAX, .WVX, .RAM, .RPM, .SMIL, .SMI, .PLS, .M3U)?
Meta-files contain the URL addresses of audio/video files that the streaming media server will play. They hide the URL of a media stream.
They can also contain the URLs of other metafiles. Metafiles usually have one of the following file extensions: .ASX, .WAX, .WVX, .WMX, .RAM, .RPM, .SMIL, .SMI, .PLS, .M3U.
If you want to record the streaming media which is hidden in a metafile, you should find the stream URL first. Although some streaming media recorders can post-process metafiles and get streaming media URLs from them, so you can copy the URL of a metafile and create a new download with this URL. Please also note that stream recorders like WM Recorder and Replay A/V can record media streams automatically so you don't have to search for the stream URL hidden in the meta-file.
If your stream recorder doesn't support automatical stream recording, we suggest you to use a URL finder software. Such programs can find stream URLs hidden in the metafiles. Also you may try to download metafile, open it with a text editor like Windows Notepad and try to find the stream URL from it.
You may learn more about finding hidden stream URLs in the following FAQ:
How to get the URL of a media stream
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