diff --git a/.gitignore b/.gitignore
index 5baf9fb..9768773 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 .vscode/
 __pycache__/
-dist/
 env_*/
 *.egg-info/
 *.wav
diff --git a/dist/webrtcvad-wrapper-1.4.tar.gz b/dist/webrtcvad-wrapper-1.4.tar.gz
new file mode 100644
index 0000000..56cd5e5
Binary files /dev/null and b/dist/webrtcvad-wrapper-1.4.tar.gz differ
diff --git a/setup.py b/setup.py
index 6cf5e00..c4148f2 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 from setuptools import setup, find_packages
 
 
-__version__ = 1.3
+__version__ = 1.4
 
 
 with open(os.path.join(os.path.abspath(os.path.dirname(__file__)), 'README.md'), encoding='utf-8') as f:
@@ -19,9 +19,9 @@
 
 
 install_requires = [
-    'pydub==0.23.1',
+    'pydub>=0.23.1',
     'webrtcvad==2.0.10',
-    'librosa==0.7.1'
+    'librosa>=0.7.1'
 ]
 
 
diff --git a/test_webrtcvad_wrapper.py b/test_webrtcvad_wrapper.py
index a4ba890..60b2df6 100644
--- a/test_webrtcvad_wrapper.py
+++ b/test_webrtcvad_wrapper.py
@@ -1,11 +1,6 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-#       OS : GNU/Linux Ubuntu 16.04 or 18.04
-# LANGUAGE : Python 3.5.2 or later
-#   AUTHOR : Klim V. O.
-#     DATE : 14.10.2019
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+# OS: GNU/Linux, Author: Klim V. O.
 
 '''
 Тесты для WebRTCVAD_Wrapper.
diff --git a/webrtcvad_wrapper/__init__.py b/webrtcvad_wrapper/__init__.py
index 2997c9a..048bb79 100644
--- a/webrtcvad_wrapper/__init__.py
+++ b/webrtcvad_wrapper/__init__.py
@@ -1,11 +1,6 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-#       OS : GNU/Linux Ubuntu 16.04 or 18.04
-# LANGUAGE : Python 3.5.2 or later
-#   AUTHOR : Klim V. O.
-#     DATE : 14.10.2019
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+# OS: GNU/Linux, Author: Klim V. O.
 
 '''
 Предназначен для удаления тишины/извлечения фрагментов с речью (или другими звуками) из wav аудиозаписи.
diff --git a/webrtcvad_wrapper/cli.py b/webrtcvad_wrapper/cli.py
index f0b706e..7c81942 100644
--- a/webrtcvad_wrapper/cli.py
+++ b/webrtcvad_wrapper/cli.py
@@ -1,11 +1,6 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-#       OS : GNU/Linux Ubuntu 16.04 or 18.04
-# LANGUAGE : Python 3.5.2 or later
-#   AUTHOR : Klim V. O.
-#     DATE : 14.10.2019
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+# OS: GNU/Linux, Author: Klim V. O.
 
 '''
 Интерфейс командной строки для webrtcvad_wrapper.VAD().
diff --git a/webrtcvad_wrapper/webrtcvad_wrapper.py b/webrtcvad_wrapper/webrtcvad_wrapper.py
index 245476e..bee0044 100644
--- a/webrtcvad_wrapper/webrtcvad_wrapper.py
+++ b/webrtcvad_wrapper/webrtcvad_wrapper.py
@@ -1,11 +1,6 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-#       OS : GNU/Linux Ubuntu 16.04 or 18.04
-# LANGUAGE : Python 3.5.2 or later
-#   AUTHOR : Klim V. O.
-#     DATE : 14.10.2019
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+# OS: GNU/Linux, Author: Klim V. O.
 
 '''
 Предназначен для удаления тишины/извлечения фрагментов с речью (или другими звуками) из wav аудиозаписи.
@@ -16,8 +11,6 @@
 Зависимости: pydub, librosa, webrtcvad.
 '''
 
-import os
-import sys
 import collections
 from pydub import AudioSegment
 import webrtcvad
@@ -25,7 +18,7 @@
 import numpy as np
 
 
-__version__ = 1.1
+__version__ = 1.4
 
 
 class Frame(object):
@@ -166,7 +159,7 @@ def rough_filter(self, audio, frame_duration_ms=10, sample_rate=None, threshold_
         frame_shift = int(frame_duration_ms / 2 * sample_rate / 1000)
 
         # Вычисление RMS (отражает мощность звуковой волны)
-        rms = librosa.feature.rms(audio_data, frame_length=frame_len, hop_length=frame_shift)
+        rms = librosa.feature.rms(y=audio_data, frame_length=frame_len, hop_length=frame_shift)
         rms = rms[0]
         rms = librosa.util.normalize(rms, axis=0)