Http, how do you deal with non text response in angular 2? -

i'm trying array buffer http request explicitely said array buffer. didn't manage , doc on subject rather scarce.

let headers = new headers({'content-type': "audio/mpeg"}); let options = new requestoptions({responsetype: responsecontenttype.arraybuffer, headers: headers }); this.http.get("http://localhost:4200/piano/a4.mp3")          .subscribe((response)=> this.play(response)); 

but can't manage array buffer out of response. response body in console inintelligible assume must correct format. content type of response indeed "audio/mpeg".

edit : here working code future readers

play(arrbf) {      this.audiocontext.decodeaudiodata(arrbf, (buffer) => {       let source = this.audiocontext.createbuffersource();        source.buffer = buffer;                          source.connect(this.audiocontext.destination);              source.start(0);                                });   }    loadsounds(){     let options = new requestoptions({responsetype: responsecontenttype.arraybuffer});     this.http.get("http://localhost:4200/assets/piano/a4.mp3", options)       .map(r => r.arraybuffer())       .subscribe((d)=> { this.play(d)});   } 

and define audio context in constructor or smtg :

  constructor(private http:http) {     let audiocontext_ = audiocontext || webkitaudiocontext;     this.audiocontext = new audiocontext_();   } 

to blob response object in angular2 can use arraybuffer() method:

let blob: blob = new blob([response.arraybuffer()], {type: 'audio/mpeg'}); 

documentation angular not updated yet though