fragment = audio[start_idx : end_idx]
	theme_descr = calculateThemeDescriptor(fragment)
	print theme_descr
	pool.add('theme_descriptors', theme_descr.tolist()[0])
	
# --------------------- Load all audio files ---------------------------
from songcollection import SongCollection
sc = SongCollection()
sc.load_directory('../music')
sc.load_directory('../moremusic')
sc.load_directory('../evenmoremusic')
sc.load_directory('../music/test')

songs = []

for song in sc.get_annotated():
	song.open()
	pool.add('song.themes', song.song_theme_descriptor.tolist()[0])
	songs.append(song.title)
	song.close()

# --------------------- Make nice plots ---------------------------
Y = pool['song.themes']	# All songs in "/music" and "/moremusic" libraries
X = pool['theme_descriptors']						# Evolution of mix theme descriptors

from scipy.spatial.distance import euclidean as euclidean_distance

for P1,P2 in zip(X[:-1,:],X[1:,:]):
	distance_path = euclidean_distance(P1,P2)
	num_songs_closer = 0
	for P in Y:
Пример #2
0
            cmd_split = str.split(raw_input('> : '), ' ')
        except KeyboardInterrupt:
            logger.info('Goodbye!')
            break
        cmd = cmd_split[0]
        if cmd == 'loaddir':
            if len(cmd_split) == 1:
                logger.warning('Please provide a directory name to load!')
                continue
            elif not os.path.isdir(cmd_split[1]):
                logger.warning(cmd_split[1] + ' is not a valid directory!')
                continue
            sc.load_directory(cmd_split[1])
            logger.info(
                str(len(sc.songs)) + ' songs loaded [annotated: ' +
                str(len(sc.get_annotated())) + ']')
        elif cmd == 'play':
            if len(sc.get_annotated()) == 0:
                logger.warning(
                    'Use the loaddir command to load some songs before playing!'
                )
                continue

            if len(cmd_split) > 1 and cmd_split[1] == 'save':
                logger.info('Saving this new mix to disk!')
                save_mix = True
            else:
                save_mix = False

            logger.info('Starting playback!')
            try:
Пример #3
0
                        reader = csv.reader(csvfile)
                        for line in reader:
                            time = float(line[0])
                            annot_cur.append(time)
                    annotations.append(annot_cur)
        return songs, annotations

    #TODO make sure that these arrays are constructed and saved during training CV loop
    y_val_all = np.load('singingvoice_y_val.bin.npy')
    t_val_all = np.load('singingvoice_t_val.bin.npy')
    y_true_all = np.load('singingvoice_y_train.bin.npy')
    t_train_all = np.load('singingvoice_t_train.bin.npy')

    masks = {}

    for s in sc.get_annotated():
        if s.title in t_val_all:

            cur_song_mask = np.array([t == s.title for t in t_val_all])
            y_val = y_val_all[cur_song_mask]

            cur_song_mask_train = np.array([t == s.title for t in t_train_all])
            y_true = y_true_all[cur_song_mask_train]

            masks[s.title] = (y_val, y_true)

    for title_1, y_tuple_1 in masks.iteritems():
        song_1 = [s for s in sc.get_annotated() if s.title == title_1][0]
        song_1.open()

    # Combine all songs and report the accuracy on detecting overlaps in voice
Пример #4
0
def index_dj(request):
    template = get_template("Index.html")
    LOG_LEVEL = logging.DEBUG
    LOGFORMAT = "%(log_color)s%(message)s%(reset)s"
    logging.root.setLevel(LOG_LEVEL)
    formatter = ColoredFormatter(LOGFORMAT)
    stream = logging.StreamHandler()
    stream.setLevel(LOG_LEVEL)
    stream.setFormatter(formatter)
    logger = logging.getLogger('colorlogger')
    logger.setLevel(LOG_LEVEL)
    logger.addHandler(stream)

    sc = SongCollection()
    tl = TrackLister(sc)
    dj = DjController(tl)

    essentia.log.infoActive = False
    essentia.log.warningActive = False

    if request.method == "POST":
        cmd = request.POST.get("cmd", None)
        cmd = str(cmd)
        # cmd_split = str(cmd).split
        # cmd = cmd_split[0]
        while (True):
            # try:
            #     cmd_split = str.split(input('> : '), ' ')
            # except KeyboardInterrupt:
            #     logger.info('Goodbye!')
            #     break
            # cmd = cmd_split[0]
            # if cmd == 'loaddir':
            #     if len(cmd_split) == 1:
            #         return HttpResponse('Please provide a directory name to load!')
            #         continue
            #     elif not os.path.isdir(cmd_split[1]):
            #         return HttpResponse(cmd_split[1] + ' is not a valid directory!')
            #         continue
            message = "abc"
            sc.load_directory("/home/ddman/音樂/upload")
            message = str(len(sc.songs)) + ' songs loaded [annotated: ' + str(
                len(sc.get_annotated())) + ']'
            if cmd == 'play':
                if len(sc.get_annotated()) == 0:
                    message = 'Use the loaddir command to load some songs before playing!'
                    continue

                # if len(cmd_split) > 1 and cmd_split[1] == 'save':
                #     message = 'Saving this new mix to disk!'
                #     save_mix = True
                # else:
                #     save_mix = False

                message = 'Starting playback!'
                try:
                    dj.play(save_mix=False)
                except Exception as e:
                    logger.error(e)
                return render(request, "Index.html", locals())
            elif cmd == 'pause':
                message = 'Pausing playback!'
                try:
                    dj.pause()
                except Exception as e:
                    logger.error(e)
                return render(request, "Index.html", locals())
            elif cmd == 'skip' or cmd == 's':
                message = 'Skipping to next segment...'
                try:
                    dj.skipToNextSegment()
                except Exception as e:
                    logger.error(e)
                return render(request, "Index.html", locals())
            elif cmd == 'stop':
                message = 'Stopping playback!'
                dj.stop()
                return render(request, "Index.html", locals())
            elif cmd == 'save':
                message = 'Saving the next new mix!'
                return render(request, "Index.html", locals())
            elif cmd == 'showannotated':
                message = 'Number of annotated songs ' + str(
                    len(sc.get_annotated()))
                message = 'Number of unannotated songs ' + str(
                    len(sc.get_unannotated()))
                return render(request, "Index.html", locals())
            elif cmd == 'annotate':
                message = 'Started annotating!'
                sc.annotate()
                message = 'Done annotating!'
                return render(request, "Index.html", locals())
            elif cmd == 'debug':
                LOG_LEVEL = logging.DEBUG
                logging.root.setLevel(LOG_LEVEL)
                stream.setLevel(LOG_LEVEL)
                logger.setLevel(LOG_LEVEL)
                message = 'Enabled debug info. Use this command before playing, or it will have no effect.'
                return render(request, "Index.html", locals())
            elif cmd == 'mark':
                dj.markCurrentMaster()
                return render(request, "Index.html", locals())
            elif cmd == "quit":
                break
                return render(request, "Index.html", locals())
            else:
                message = 'The command ' + str(cmd) + ' does not exist!'
                return render(request, "Index.html", locals())
    return render(request, "Index.html", locals())
Пример #5
0
    pyAudio = pyaudio.PyAudio()
    stream = pyAudio.open(format=pyaudio.paFloat32,
                          channels=1,
                          rate=44100,
                          output=True)

    try:
        title = sys.argv[1][len('singingvoice_predicted_'):-4]
        y_train_all = np.load('singingvoice_y_train.bin.npy')
        t_train_all = np.load('singingvoice_t_train.bin.npy')
        print title
        cur_song_mask = np.array([t == title for t in t_train_all])
        y_train = y_train_all[cur_song_mask]
        y_train = y_train[np.array([i % 4 != 0 for i in range(len(y_train))])]
        y_pred = np.load('singingvoice_predicted_{}.npy'.format(title))
        song = [s for s in sc.get_annotated() if s.title == title][0]
        song.open()
        plt.figure()
        plt.fill_between(range(len(y_train[::3])),
                         np.logical_and(y_pred[0::3], y_pred[1::3],
                                        y_pred[2::3]),
                         alpha=0.5,
                         color='blue')
        plt.fill_between(range(len(y_train[::3])),
                         y_train[::3],
                         alpha=0.5,
                         color='red')
        plt.show()
        for y_true, y, t in zip(y_train[::4], y_pred[::4], song.downbeats):
            print '{} {} {}'.format(y_true, y, t)
        song.close()