River Past Audio Converter can help you,it can Convert from almost any audio format to WAV, MP3, WMA, or audio-only AVI. We support a variety of input formats, including the standard WAV, MP3, WMA, AIFF, RealAudio, and the not-so-standard OGG, AIFF, and Unix Audio.
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First Install the 3Gp Transformer.exe file and then Convert the MPEG4 file into 3GP file Then copy the 3GP file into TrueMpeg4 Folder Now: Go to Multimedia==> Media Player Play the Clip Enjoy Yourself
video converter is a good choice for you , it can help you to convert wmc to 3gp easily.
Short answer: You can't. mp3 is a music file format, m3u is a playlist file format. What this means is that m3u files are plain text files that contain a list of mp3 (or other music files) to be played. They are typically created by winamp or other media players. Have a look at http://hanna.pyxidis.org/tech/m3u.html for a full description of the format of the m3u playlist.
iMovie Total Video Converter Pro can convert wma file to 3gp file. You can search more details about it.
You need to convert it. Formats need to be converted to change between file name extensions.
A .3gp file is an audio or video file commonly used on mobile phones.
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Playlist file of Winamp
If using Need4Free 3GP Converter 8.0, you can convert dvd, mp4, mpeg, mov, wmv, and avi to a 3gp file format. This software will not convert copy protected files. This converter is available for free at Need4Video's website.
An M3U file is a playlist file for maintaining a certain order of playing audio files, like MP3's. M3U's can also point a media player to an online streaming audio source. M3U's are the most popular format for playlist files other than .PLA files.
convert it to avi format
convert mp3 to 3gp video file... then rename 3gp extention as skm format byextention renamer.... by champ@ kandy srilanka