title: play pcm data by webAudio API
body: <p>Hi I am working on WebAudio API . I read <a href="https://stackoverflow.com/questions/6010708/html5-web-audio-api-porting-from-javax-sound-and-getting-distortion">HTML5 Web Audio API, porting from javax.sound and getting distortion</a> link but not getting goodquality as in java API.I am getting PCM data from server in signed bytes . Then  I have to changed this into it 16 bit format . for changing I am   using  ( firstbyte&lt;&lt;8 | secondbyte )
  but I am not able to get good quality of sound . is there any problem in conversion or any other way to do for getting good quality of sound ?</p>