def main():
parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument('--input-file', dest='input_file', required=True)
args = parser.parse_args()
input_dir = os.path.split(args.input_file)[0]
temp_file = input_dir + "/temp.wav"
cmd = [
"/usr/bin/ffmpeg", "-i", args.input_file, "-ar", "22050", "-ac", "1",
"-acodec", "pcm_s16le", temp_file, "-y"
]
subprocess.check_call(cmd)
cmd = ["yaafe", "-c", FEATURE_PLAN, "-r", "22050", temp_file]
subprocess.check_output(cmd)
features1 = ["zcr", "flux", "spectral_rollof", "energy_stats"]
features2 = ["mfcc_stats"]
features3 = ["spectral_flatness_per_band"]
features4 = features1 + features2 + features3
FEATURE_GROUPS = [features1, features2, features3, features4]
peaks, convolution_values, timestamps = feat.get_combined_peaks(
temp_file, FEATURE_GROUPS, kernel_type="gaussian")
detected_segments = kernel.calculate_segment_start_end_times_from_peak_positions(
peaks, timestamps)
timestamps, feature_vectors = feat.read_features(features4,
temp_file,
scale=True)
with open("/opt/speech-music-discrimination/pickled/model.pickle",
'r') as f:
trained_model = pickle.load(f)
frame_level_predictions = trained_model.predict(feature_vectors)
annotated_segments = Util.get_annotated_labels_from_predictions_and_sm_segments(
frame_level_predictions, detected_segments, timestamps)
annotated_segments = Util.combine_adjacent_labels_of_the_same_class(
annotated_segments)
annotated_segments = feat.filter_noisy_labels(annotated_segments)
annotated_segments = Util.combine_adjacent_labels_of_the_same_class(
annotated_segments)
Util.write_audacity_labels(annotated_segments,
input_dir + "/annotated-segments.txt")
for f in glob.glob(input_dir + "/*.csv"):
os.remove(f)
os.remove(temp_file)
def main():
subprocess.check_output(["unzip", "muspeak-mirex2015-detection-examples.zip", "-d",
"muspeak-mirex2015-detection-examples"])
mp3_to_wav()
wav_files = glob.glob("./muspeak-mirex2015-detection-examples/*.wav")
for wav_file in wav_files:
print wav_file
label_file = wav_file.replace(".mp3.wav", ".csv")
if not os.path.isfile(label_file):
label_file = label_file.replace(".csv", "_v2.csv")
WavEditor.create_audio_segments(label_file, wav_file, "segments", True, ",", "f2", remove_overlapping=True)
speech_wavs = glob.glob("./segments/*_s.wav")
music_wavs = glob.glob("./segments/*_m.wav")
all_files_dict = {}
for f in speech_wavs:
all_files_dict[f] = "s"
for f in music_wavs:
all_files_dict[f] = "m"
random.seed(2222)
all_files_random_keys = random.sample(all_files_dict.keys(), len(all_files_dict.keys()))
last_seconds = 0
files_to_concatenate = []
labels = []
for v in all_files_random_keys:
duration = float(subprocess.check_output(["soxi", "-D", v]).strip())
segment_start_time = last_seconds
segment_end_time = last_seconds + duration
last_seconds += duration
labels.append(AudacityLabel(segment_start_time, segment_end_time, all_files_dict[v]))
files_to_concatenate.append(v)
audacity_labels = Util.combine_adjacent_labels_of_the_same_class(labels)
Util.write_audacity_labels(audacity_labels, "mirex_combined.txt")
command = []
command.append("sox")
command.extend(files_to_concatenate)
command.append("mirex_combined.wav")
subprocess.check_output(command)
shutil.rmtree("./segments")
shutil.rmtree("./muspeak-mirex2015-detection-examples")
def calculate_fusion(youtube_video_id,
lbls_dir,
audio_lbls,
image_lbls,
duration,
step=0.1,
neighbours_before_after=6,
times_greater=2): # 100ms
pairs, timestamps = create_pairs(audio_lbls, image_lbls, duration, step)
mapping_face_to_voice = detect_face_voice_mapping(pairs)
# print(mapping_face_to_voice)
pairs = apply_mapping_to_pairs(pairs, mapping_face_to_voice)
# print(pairs)
seconds_of_mismatch = 0
for k, pair in enumerate(pairs):
if pair.image_class is None:
# when image is None
continue
classes = pair.image_class.split(",")
# if only one face has been detected then assume it's the face of the speaker
if len(classes) == 1 and pair.audio_class != 'non_speech':
if pair.image_class != pair.audio_class:
seconds_of_mismatch += step
# print("%s != %s" % (pair.image_class, pair.audio_class))
nearest_neighbour_class = find_nearest_neighbours_class(
k,
pairs,
neighbours_before_after=neighbours_before_after,
times_greater=times_greater)
pair.audio_class = nearest_neighbour_class
lbls = Util.generate_labels_from_classifications(
[p.audio_class for p in pairs], timestamps)
lbls = list(filter(lambda x: x.label is not None, lbls))
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".fusion.txt"))
return mapping_face_to_voice
def calculate_fusion(youtube_video_id, lbls_dir, audio_lbls, image_lbls, duration, step=0.1): # 100ms
pairs, timestamps = create_pairs(audio_lbls, image_lbls, duration, step)
mapping_face_to_voice = detect_face_voice_mapping(pairs)
print(mapping_face_to_voice)
pairs = apply_mapping_to_pairs(pairs, mapping_face_to_voice)
print(pairs)
for k, pair in enumerate(pairs):
if pair.image_class is None:
# when image is None
continue
classes = pair.image_class.split(",")
if len(classes) == 1 and pair.audio_class != 'non_speech':
if pair.image_class != pair.audio_class:
# print("%s != %s" % (pair.image_class, pair.audio_class))
nearest_neighbour_class = find_nearest_neighbours_class(k, pairs)
pair.audio_class = nearest_neighbour_class
print(pairs)
lbls = Util.generate_labels_from_classifications([p.audio_class for p in pairs], timestamps)
lbls = filter(lambda x: x.label is not None, lbls)
json_lbls = []
for lbl in lbls:
json_lbls.append({
"start_seconds": lbl.start_seconds,
"end_seconds": lbl.end_seconds,
"label": lbl.label
})
with open(os.path.join(lbls_dir, youtube_video_id + ".json"), 'w') as outfile:
json.dump(json_lbls, outfile)
Util.write_audacity_labels(lbls, os.path.join(lbls_dir, youtube_video_id + ".txt"))
return mapping_face_to_voice
def generate_audio_based_segmentation(audio_file,
w,
h,
embedding_size,
lstm_nodes,
dropout,
weights_filename,
scaler_filename,
window_size,
step,
hop_size,
youtube_video_id,
lbls_dir,
clusters=4,
sr=16000):
vad = Vad()
vad_lbls = vad.detect_voice_segments(audio_file)
# model.load_weights(weights_filename)
# feature_extractor = FeatExtractorMFCC(window_size, hop_size, w, sr, h, step=step)
# X, timestamps = feature_extractor.extract(audio_file)
# timestamps = numpy.array(timestamps)
y, sr = librosa.load(audio_file, sr=sr)
X = mfcc(y, sr=sr, n_mfcc=h, n_fft=window_size, hop_length=hop_size)
timestamps = [k * hop_size / sr for k in range(0, X.shape[1])]
timestamps = numpy.array(timestamps)
window = timestamps[1] - timestamps[0]
frame_predictions = []
for k, timestamp in enumerate(timestamps):
found = False
for lbl in vad_lbls:
if lbl.start_seconds <= timestamp <= lbl.end_seconds - window: # need the window end to fit in the label
frame_predictions.append(lbl.label)
found = True
break
if not found:
frame_predictions.append('non_speech')
frame_predictions = numpy.array(frame_predictions)
speech_indices = numpy.where(frame_predictions == 'speech')
X_speech = X[:, speech_indices]
X_speech = X_speech.reshape((X_speech.shape[0], X_speech.shape[2]))
print(X_speech.shape)
X_speech = X_speech.transpose()
print(X_speech.shape)
timestamps_speech = timestamps[speech_indices]
# Util.write_audacity_labels(Util.generate_labels_from_classifications(frame_predictions, timestamps),
# "vad_preds_quant.txt")
# X = X_speech.reshape((X_speech.shape[0] * w, h))
# X = scaler.transform(X)
# X = X.reshape(-1, w, h)
# original_embeddings = intermediate.predict(X)
clustering_algorithm = GaussianMixture(n_components=clusters,
max_iter=1000,
n_init=3)
# if visualise:
#
# embeddings, y, classes, new_timestamps = Util.get_annotated_data_x_y(timestamps_speech, original_embeddings,
# lbls_fixed)
# le = preprocessing.LabelEncoder()
# y = le.fit_transform(y)
#
# tsne = TSNE()
# two_dimensional = tsne.fit_transform(embeddings)
#
# # pca = PCA(n_components=2)
# # two_dimensional = pca.fit_transform(embeddings)
#
# # pca2 = PCA(n_components=20)
# # pca_embeddings = pca2.fit_transform(embeddings)
#
# clustering_algorithm.fit(two_dimensional)
# predictions = clustering_algorithm.predict(two_dimensional)
#
# # kmeans = KMeans(n_clusters=CLUSTERS)
# # kmeans.fit(embeddings)
#
# plt.figure(figsize=(10, 6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=y, marker='.')
#
# plt.figure(figsize=(10, 6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=predictions, marker='.')
#
# else:
tsne = TSNE(n_components=2, init='pca')
two_dimensional = tsne.fit_transform(X_speech)
# original_embeddings = scale((original_embeddings))
# pca = PCA(n_components=2)
# two_dimensional = pca.fit_transform(original_embeddings)
# pca2 = PCA(n_components=3)
# pca_embeddings = pca2.fit_transform(original_embeddings)
clustering_algorithm.fit(two_dimensional)
predictions = clustering_algorithm.predict(two_dimensional)
# kmeans = KMeans(n_clusters=CLUSTERS)
# kmeans.fit(two_dimensional)
# plt.figure(figsize=(10,10))
# plt.imshow(calculate_similarity_matrix(two_dimensional, metric='euclidean'), cmap='gray')
# plt.figure(figsize=(10,6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=predictions, marker='.')
# plt.figure(figsize=(10,6))
# plt.scatter(two_dimensional[:, 0], pca_embeddings[:, 1], c=kmeans.labels_.tolist(), marker='.')
# predictions = kmeans.labels_.tolist()
for k, speech_index in enumerate(speech_indices[0]):
frame_predictions[speech_index] = predictions[k]
lbls = Util.generate_labels_from_classifications(frame_predictions,
timestamps)
json_lbls = []
for lbl in lbls:
json_lbls.append({
"start_seconds": lbl.start_seconds,
"end_seconds": lbl.end_seconds,
"label": lbl.label
})
with open(os.path.join(lbls_dir, youtube_video_id + ".json"),
'w') as outfile:
json.dump(json_lbls, outfile)
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".txt"))
# if __name__ == '__main__':
# generate_audio_based_segmentation(
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/audios/Unamij6z1io.wav",
# 15, 20, 256, 128, 0.2,
# os.path.abspath('models/weights.h5'),
# os.path.abspath('models/scaler.pickle'),
# 1024, 3, 1024, "xxx",
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/static/lbls/mfcc",
# clusters=4
# )
def generate_face_based_segmentation(youtube_video_id, images_dir, lbls_dir,
faces, predictor_path,
face_rec_model_path):
images_raw = glob(os.path.join(images_dir, "*.jpg"))
images_raw.sort()
# images_raw = images_raw[0:100]
images = [
images_raw[i] for i in range(0, len(images_raw), FRAMES_PER_STEP)
]
print(images)
timestamps = [i * (FRAMES_PER_STEP / 25.0) for i in range(0, len(images))]
print(timestamps)
detector = dlib.get_frontal_face_detector()
sp = dlib.shape_predictor(predictor_path)
facerec = dlib.face_recognition_model_v1(face_rec_model_path)
embeddings = []
embeddings_timestamps = []
landmarks_parts = []
landmarks_rect = []
for frame_no, f in enumerate(images):
print("Processing file: {}".format(f))
img = io.imread(f)
dets = detector(img, 1)
print("Number of faces detected: {}".format(len(dets)))
for k, d in enumerate(dets):
shape = sp(img, d)
face_descriptor = facerec.compute_face_descriptor(img, shape)
embeddings.append(face_descriptor)
embeddings_timestamps.append(timestamps[frame_no])
landmarks_parts.append(shape.parts())
landmarks_rect.append(shape.rect)
embeddings = numpy.array(embeddings)
embeddings_timestamps = numpy.array(embeddings_timestamps)
print(embeddings.shape)
print(embeddings_timestamps.shape)
if len(embeddings) == 0:
Util.write_audacity_labels([],
os.path.join(lbls_dir,
youtube_video_id + ".txt"))
return
kmeans = KMeans(n_clusters=faces)
kmeans.fit(embeddings)
predictions = numpy.array(kmeans.labels_.tolist())
df = pd.DataFrame({
"timestamps": embeddings_timestamps.tolist(),
"predictions": predictions
})
timestamps = []
classes = []
for key, group in df.groupby(['timestamps']):
timestamps.append(key)
classes.append(",".join(
[str(i) for i in sorted(group['predictions'].tolist())]))
lbls = Util.generate_labels_from_classifications(classes, timestamps)
json_lbls = []
for lbl in lbls:
json_lbls.append({
"start_seconds": lbl.start_seconds,
"end_seconds": lbl.end_seconds,
"label": lbl.label
})
with open(os.path.join(lbls_dir, youtube_video_id + ".json"),
'w') as outfile:
json.dump(json_lbls, outfile)
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".txt"))
# if __name__ == '__main__':
#
# extract_images_from_video("/Users/nicktgr15/workspace/speaker_diarisation_poc/src/videos/Unamij6z1io.mp4",
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/video_frames")
#
# generate_face_based_segmentation(
# "Unamij6z1io",
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/video_frames/Unamij6z1io",
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/static/lbls/image",
# 4,
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/models/shape_predictor_68_face_landmarks.dat",
# "/Users/nicktgr15/workspace/speaker_diarisation_poc/src/models/dlib_face_recognition_resnet_model_v1.dat"
# )
all_files_dict[f] = "m"
random.seed(1111)
all_files_random_keys = random.sample(all_files_dict.keys(),
len(all_files_dict.keys()))
last_seconds = 0
files_to_concatenate = []
labels = []
for v in all_files_random_keys:
duration = float(subprocess.check_output(["soxi", "-D", v]).strip())
segment_start_time = last_seconds
segment_end_time = last_seconds + duration
last_seconds += duration
labels.append(
AudacityLabel(segment_start_time, segment_end_time, all_files_dict[v]))
files_to_concatenate.append(v)
audacity_labels = Util.combine_adjacent_labels_of_the_same_class(labels)
Util.write_audacity_labels(audacity_labels, "gtzan_combined.txt")
command = []
command.append("sox")
command.extend(files_to_concatenate)
command.append("gtzan_combined.wav")
subprocess.check_output(command)
subprocess.call(['chmod', '-R', '777', './music_speech'])
shutil.rmtree("./music_speech")
all_files_dict[f] = "m"
random.seed(1111)
all_files_random_keys = random.sample(all_files_dict.keys(),
len(all_files_dict.keys()))
last_seconds = 0
files_to_concatenate = []
labels = []
for v in all_files_random_keys:
duration = float(subprocess.check_output(["soxi", "-D", v]).strip())
segment_start_time = last_seconds
segment_end_time = last_seconds + duration
last_seconds += duration
labels.append(
AudacityLabel(segment_start_time, segment_end_time, all_files_dict[v]))
files_to_concatenate.append(v)
audacity_labels = Util.combine_adjacent_labels_of_the_same_class(labels)
Util.write_audacity_labels(audacity_labels, "labrosa_combined.txt")
command = []
command.append("sox")
command.extend(files_to_concatenate)
command.append("labrosa_combined.wav")
subprocess.check_output(command)
subprocess.call(['chmod', '-R', '777', './music-speech'])
shutil.rmtree("./music-speech")
def generate_audio_based_segmentation(audio_file,
w,
h,
embedding_size,
lstm_nodes,
dropout,
weights_filename,
scaler_filename,
window_size,
step,
hop_size,
youtube_video_id,
lbls_dir,
clusters=4,
sr=16000):
vad = Vad()
vad_lbls = vad.detect_voice_segments(audio_file)
with open(scaler_filename, 'rb') as f:
scaler = pickle.load(f)
model, intermediate = get_lstm_siamese((w, h), embedding_size, lstm_nodes,
dropout)
model.load_weights(weights_filename)
feature_extractor = FeatExtractorMFCC(window_size,
hop_size,
w,
sr,
h,
step=step)
X, timestamps = feature_extractor.extract(audio_file)
timestamps = numpy.array(timestamps)
window = timestamps[1] - timestamps[0]
frame_predictions = []
for k, timestamp in enumerate(timestamps):
found = False
for lbl in vad_lbls:
if lbl.start_seconds <= timestamp <= lbl.end_seconds - window: # need the window end to fit in the label
frame_predictions.append(lbl.label)
found = True
break
if not found:
frame_predictions.append('non_speech')
frame_predictions = numpy.array(frame_predictions)
print(frame_predictions.shape)
print(timestamps.shape)
speech_indices = numpy.where(frame_predictions == 'speech')
X_speech = X[speech_indices]
X = X_speech.reshape((X_speech.shape[0] * w, h))
X = scaler.transform(X)
X = X.reshape(-1, w, h)
original_embeddings = intermediate.predict(X)
clustering_algorithm = KMeans(n_clusters=clusters)
reducted_embeddings = original_embeddings
predictions = clustering_algorithm.fit_predict(reducted_embeddings)
for k, speech_index in enumerate(speech_indices[0]):
frame_predictions[speech_index] = predictions[k]
lbls = Util.generate_labels_from_classifications(frame_predictions,
timestamps)
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".audio.txt"))
for f in music_wavs:
all_files_dict[f] = "m"
random.seed(1111)
all_files_random_keys = random.sample(all_files_dict.keys(), len(all_files_dict.keys()))
last_seconds = 0
files_to_concatenate = []
labels = []
for v in all_files_random_keys:
duration = float(subprocess.check_output(["soxi", "-D", v]).strip())
segment_start_time = last_seconds
segment_end_time = last_seconds + duration
last_seconds += duration
labels.append(AudacityLabel(segment_start_time, segment_end_time, all_files_dict[v]))
files_to_concatenate.append(v)
audacity_labels = Util.combine_adjacent_labels_of_the_same_class(labels)
Util.write_audacity_labels(audacity_labels, "gtzan_combined.txt")
command = []
command.append("sox")
command.extend(files_to_concatenate)
command.append("gtzan_combined.wav")
subprocess.check_output(command)
subprocess.call(['chmod', '-R', '777', './music_speech'])
shutil.rmtree("./music_speech")
def generate_face_based_segmentation(youtube_video_id, images_dir, lbls_dir,
faces, predictor_path,
face_rec_model_path, tmp_dir):
images_raw = glob(os.path.join(images_dir, "*.jpg"))
images_raw.sort()
# images_raw = images_raw[0:100]
images = [
images_raw[i] for i in range(0, len(images_raw), FRAMES_PER_STEP)
]
print(images)
timestamps = [i * (FRAMES_PER_STEP / 25.0) for i in range(0, len(images))]
print(timestamps)
detector = get_frontal_face_detector()
sp = dlib.shape_predictor(predictor_path)
facerec = face_recognition_model_v1(face_rec_model_path)
embeddings = []
embeddings_timestamps = []
landmarks_parts = []
landmarks_rect = []
embeddings_pickle = os.path.join(tmp_dir, "embeddings.npy")
embeddings_timestamps_pickle = os.path.join(tmp_dir,
"embeddings_timestamps.npy")
if not os.path.isfile(embeddings_pickle) or not os.path.isfile(
embeddings_timestamps_pickle):
for frame_no, f in enumerate(images):
print("Processing file: {}".format(f))
img = io.imread(f)
dets = detector(img, 1)
print("Number of faces detected: {}".format(len(dets)))
for k, d in enumerate(dets):
shape = sp(img, d)
face_descriptor = facerec.compute_face_descriptor(img, shape)
embeddings.append(face_descriptor)
embeddings_timestamps.append(timestamps[frame_no])
landmarks_parts.append(shape.parts())
landmarks_rect.append(shape.rect)
embeddings = numpy.array(embeddings)
embeddings_timestamps = numpy.array(embeddings_timestamps)
numpy.save(embeddings_pickle, embeddings)
numpy.save(embeddings_timestamps_pickle, embeddings_timestamps)
else:
embeddings = numpy.load(embeddings_pickle)
embeddings_timestamps = numpy.load(embeddings_timestamps_pickle)
print(embeddings.shape)
print(embeddings_timestamps.shape)
if len(embeddings) == 0:
Util.write_audacity_labels([],
os.path.join(
lbls_dir,
youtube_video_id + ".image.txt"))
return
kmeans = KMeans(n_clusters=faces)
kmeans.fit(embeddings)
predictions = numpy.array(kmeans.labels_.tolist())
df = pd.DataFrame({
"timestamps": embeddings_timestamps.tolist(),
"predictions": predictions
})
timestamps = []
classes = []
for key, group in df.groupby(['timestamps']):
timestamps.append(key)
classes.append(",".join(
[str(i) for i in sorted(group['predictions'].tolist())]))
lbls = Util.generate_labels_from_classifications(classes, timestamps)
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".image.txt"))
def generate_audio_based_segmentation(audio_file,
w,
h,
embedding_size,
lstm_nodes,
dropout,
weights_filename,
scaler_filename,
window_size,
step,
hop_size,
youtube_video_id,
lbls_dir,
clusters=4,
sr=16000):
vad = Vad()
vad_lbls = vad.detect_voice_segments(audio_file)
with open(scaler_filename, 'rb') as f:
scaler = pickle.load(f)
model, intermediate = get_lstm_siamese((w, h), embedding_size, lstm_nodes,
dropout)
model.load_weights(weights_filename)
feature_extractor = FeatExtractorMFCC(window_size,
hop_size,
w,
sr,
h,
step=step)
X, timestamps = feature_extractor.extract(audio_file)
timestamps = numpy.array(timestamps)
window = timestamps[1] - timestamps[0]
frame_predictions = []
for k, timestamp in enumerate(timestamps):
found = False
for lbl in vad_lbls:
if lbl.start_seconds <= timestamp <= lbl.end_seconds - window: # need the window end to fit in the label
frame_predictions.append(lbl.label)
found = True
break
if not found:
frame_predictions.append('non_speech')
frame_predictions = numpy.array(frame_predictions)
print(frame_predictions.shape)
print(timestamps.shape)
speech_indices = numpy.where(frame_predictions == 'speech')
X_speech = X[speech_indices]
timestamps_speech = timestamps[speech_indices]
# Util.write_audacity_labels(Util.generate_labels_from_classifications(frame_predictions, timestamps),
# "vad_preds_quant.txt")
X = X_speech.reshape((X_speech.shape[0] * w, h))
X = scaler.transform(X)
X = X.reshape(-1, w, h)
original_embeddings = intermediate.predict(X)
clustering_algorithm = GaussianMixture(n_components=clusters,
max_iter=1000,
n_init=3)
# if visualise:
#
# embeddings, y, classes, new_timestamps = Util.get_annotated_data_x_y(timestamps_speech, original_embeddings,
# lbls_fixed)
# le = preprocessing.LabelEncoder()
# y = le.fit_transform(y)
#
# tsne = TSNE()
# two_dimensional = tsne.fit_transform(embeddings)
#
# # pca = PCA(n_components=2)
# # two_dimensional = pca.fit_transform(embeddings)
#
# # pca2 = PCA(n_components=20)
# # pca_embeddings = pca2.fit_transform(embeddings)
#
# clustering_algorithm.fit(two_dimensional)
# predictions = clustering_algorithm.predict(two_dimensional)
#
# # kmeans = KMeans(n_clusters=CLUSTERS)
# # kmeans.fit(embeddings)
#
# plt.figure(figsize=(10, 6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=y, marker='.')
#
# plt.figure(figsize=(10, 6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=predictions, marker='.')
#
# else:
tsne = TSNE(n_components=2, init='pca')
two_dimensional = tsne.fit_transform(original_embeddings)
# original_embeddings = scale((original_embeddings))
# pca = PCA(n_components=2)
# two_dimensional = pca.fit_transform(original_embeddings)
# pca2 = PCA(n_components=3)
# pca_embeddings = pca2.fit_transform(original_embeddings)
clustering_algorithm.fit(two_dimensional)
predictions = clustering_algorithm.predict(two_dimensional)
# kmeans = KMeans(n_clusters=CLUSTERS)
# kmeans.fit(two_dimensional)
# plt.figure(figsize=(10,10))
# plt.imshow(calculate_similarity_matrix(two_dimensional, metric='euclidean'), cmap='gray')
# plt.figure(figsize=(10,6))
# plt.scatter(two_dimensional[:, 0], two_dimensional[:, 1], c=predictions, marker='.')
# plt.figure(figsize=(10,6))
# plt.scatter(two_dimensional[:, 0], pca_embeddings[:, 1], c=kmeans.labels_.tolist(), marker='.')
# predictions = kmeans.labels_.tolist()
for k, speech_index in enumerate(speech_indices[0]):
frame_predictions[speech_index] = predictions[k]
lbls = Util.generate_labels_from_classifications(frame_predictions,
timestamps)
json_lbls = []
for lbl in lbls:
json_lbls.append({
"start_seconds": lbl.start_seconds,
"end_seconds": lbl.end_seconds,
"label": lbl.label
})
with open(os.path.join(lbls_dir, youtube_video_id + ".json"),
'w') as outfile:
json.dump(json_lbls, outfile)
Util.write_audacity_labels(
lbls, os.path.join(lbls_dir, youtube_video_id + ".txt"))
for f in music_wavs:
all_files_dict[f] = "m"
random.seed(1111)
all_files_random_keys = random.sample(all_files_dict.keys(), len(all_files_dict.keys()))
last_seconds = 0
files_to_concatenate = []
labels = []
for v in all_files_random_keys:
duration = float(subprocess.check_output(["soxi", "-D", v]).strip())
segment_start_time = last_seconds
segment_end_time = last_seconds + duration
last_seconds += duration
labels.append(AudacityLabel(segment_start_time, segment_end_time, all_files_dict[v]))
files_to_concatenate.append(v)
audacity_labels = Util.combine_adjacent_labels_of_the_same_class(labels)
Util.write_audacity_labels(audacity_labels, "labrosa_combined.txt")
command = []
command.append("sox")
command.extend(files_to_concatenate)
command.append("labrosa_combined.wav")
subprocess.check_output(command)
subprocess.call(['chmod', '-R', '777', './music-speech'])
shutil.rmtree("./music-speech")