title: return an mp3 file as Json object
body: <p>I have an application that converts the input text into speech , what I want to do is to connect between my web service and the application android , the mp3 files is in FTP server , so I want when the user input a text , so this text will be send to the service then by algorithm it will concatenate the right voice files in order to return it into the application and the user then can listen to it , I want to use the REST web services and I want to get the mp3 files using JSON , how can I return this mp3 file as JSON object to the application then to parser it ?????</p>