title: How to extract the raw data from a mp3 file using python?
body: <p>I have got homework regarding audio data analysis using Python. I wonder is there any good module for me to use to extract the raw data from a mp3 file. I mean the raw data, not the metadata, id3 tags. <br /></p>
  
  <p>I know how to use the <code>wave</code> module to process <code>.wav</code> files. I can <code>readframes</code> to get the raw data. But I don't know how to do with mp3. I have searched a lot on google and stackoverflow and find <code>eyeD3</code>. But unfortunately the documentation is rather frustrating and now the version is 0.7.1, different from most examples I can find on the Internet. <br /></p>
  
  <p>Is there any good module that can extract raw data from a mp3? If there is any good documentation for <code>eyeD3</code>, it is also good.</p>