codice:
var connection_nc = new NetConnection();
connection_nc.onStatus = function(info)
{
	switch(info.code.toLowerCase())
	{
		case "netconnection.connect.success":
			startPlaying();
			break;
		case "netconnection.connect.rejected":
			trace("connessione rifiutata");
			break;
		case "netconnection.connect.failed":
			trace("connessione fallita");
			break;
	}
}
connection_nc.connect(uri_della_tua_applicazione);
function startPlaying()
{
	var stream_ns = new NetStream(connection_nc);
	stream_ns.onStatus = function(info)
	{
		//
	}
	tuo_movieclip.attachAudio(stream_ns);
	var audio = new Sound(tuo_movieclip);
	stream_ns.play(nome_dello_stream);
}