On Sat, Jan 28, 2006 at 04:48:35AM +0800, W Scribe wrote: > can i use a MP3 file to create a text file?? You mean transcribing spoken audio to text? Speex is a compression technology for spoken audio, and doesn't have anything to do with either mp3 or speech-to-text. You might try searching for "voice recognition" or "speech recognition". HTH, -r