setStream method
Set input as Stream<ListaudioInput
must provide frame of desired length.
Implementation
StreamController<List<double>> setStream(Stream<List<num>> audioInput) {
cancelStream();
_featureStream = StreamController<List<double>>.broadcast();
_audioInput = audioInput.listen((frame) {
_featureStream.add(process_frame(frame));
});
return _featureStream;
}