title: Convert pcm data to low size audio type - Java/Android
body: <p>In my android app ,I need to convert raw pcm data (wav file) to different music type because the pcm file is 40mb for 4-5 min. </p>
  
  <p>Does anyone can recommend to what type i need to convert? mp3? amr? aac? </p>
  
  <p>and also how can i convert because from what i read there is no library in java for conversion? maybe a good tutorial you used?</p>