class AudioApp(App): def build(self): logo_pd = Image(source='pd.png', allow_stretch=True,) logo_kivy = Image(source='kivy.png', allow_stretch=True,) label = Label(text="kivy+pd://bloopy.pd", font_size=30) self.widget = StackLayout() self.widget.add_widget(logo_pd) self.widget.add_widget(label) self.widget.add_widget(logo_kivy) self.stream = AudioStream(channels=CHANNELS, buffersize=BUFSIZE, rate=SAMPLERATE) self.source = PatchSource(self.stream, 'bloopy.pd') self.source.start() return self.widget