diff --git a/telebot/__init__.py b/telebot/__init__.py
index d140ccf..fedeec3 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -231,7 +231,7 @@ class TeleBot:
         return types.Message.de_json(
             apihelper.send_photo(self.token, chat_id, photo, caption, reply_to_message_id, reply_markup))
 
-    def send_audio(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
+    def send_audio(self, chat_id, audio, duration=None, performer=None, title=None, reply_to_message_id=None, reply_markup=None):
         """
         Use this method to send audio files, if you want Telegram clients to display the file as a playable
         voice message. For this to work, your audio must be in an .ogg file encoded with OPUS
@@ -242,7 +242,11 @@ class TeleBot:
         :return: API reply.
         """
         return types.Message.de_json(
-            apihelper.send_data(self.token, chat_id, data, 'audio', reply_to_message_id, reply_markup))
+            apihelper.send_audio(self.token, chat_id, audio,duration,performer,title, reply_to_message_id, reply_markup))
+
+    def send_voice(self, chat_id, voice, duration=None, reply_to_message_id=None, reply_markup=None):
+        return types.Message.de_json(
+            apihelper.send_voice(self.token, chat_id, voice, duration, reply_to_message_id,reply_markup))
 
     def send_document(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
         """
diff --git a/telebot/apihelper.py b/telebot/apihelper.py
index afdc63b..fafd5d9 100644
--- a/telebot/apihelper.py
+++ b/telebot/apihelper.py
@@ -139,6 +139,45 @@ def send_video(token, chat_id, data, duration=None, caption=None, reply_to_messa
     return _make_request(token, method_url, params=payload, files=files, method='post')
 
 
+def send_voice(token, chat_id, voice, duration=None, reply_to_message_id=None, reply_markup=None):
+    method_url = r'sendVoice'
+    payload = {'chat_id': chat_id}
+    files = None
+    if not is_string(voice):
+        files = {'voice': voice}
+    else:
+        payload['voice'] = voice
+    if duration:
+        payload['duration'] = duration
+    if reply_to_message_id:
+        payload['reply_to_message_id'] = reply_to_message_id
+    if reply_markup:
+        payload['reply_markup'] = _convert_markup(reply_markup)
+    return _make_request(token, method_url, params=payload, files=files, method='post')
+
+
+def send_audio(token, chat_id, audio, duration=None, performer=None, title=None, reply_to_message_id=None,
+               reply_markup=None):
+    method_url = r'sendAudio'
+    payload = {'chat_id': chat_id}
+    files = None
+    if not is_string(audio):
+        files = {'audio': audio}
+    else:
+        payload['audio'] = audio
+    if duration:
+        payload['duration'] = duration
+    if performer:
+        payload['performer'] = performer
+    if title:
+        payload['title'] = title
+    if reply_to_message_id:
+        payload['reply_to_message_id'] = reply_to_message_id
+    if reply_markup:
+        payload['reply_markup'] = _convert_markup(reply_markup)
+    return _make_request(token, method_url, params=payload, files=files, method='post')
+
+
 def send_data(token, chat_id, data, data_type, reply_to_message_id=None, reply_markup=None):
     method_url = get_method_by_type(data_type)
     payload = {'chat_id': chat_id}
@@ -155,8 +194,6 @@ def send_data(token, chat_id, data, data_type, reply_to_message_id=None, reply_m
 
 
 def get_method_by_type(data_type):
-    if data_type == 'audio':
-        return 'sendAudio'
     if data_type == 'document':
         return 'sendDocument'
     if data_type == 'sticker':
diff --git a/telebot/types.py b/telebot/types.py
index 8c98774..f906edd 100644
--- a/telebot/types.py
+++ b/telebot/types.py
@@ -44,6 +44,7 @@ class JsonDeserializable:
     Subclasses of this class are guaranteed to be able to be created from a json-style dict or json formatted string.
     All subclasses of this class must override de_json.
     """
+
     @classmethod
     def de_json(cls, json_type):
         """
@@ -126,6 +127,9 @@ class Message(JsonDeserializable):
         if 'audio' in obj:
             opts['audio'] = Audio.de_json(obj['audio'])
             content_type = 'audio'
+        if 'voice' in obj:
+            opts['voice'] = Audio.de_json(obj['voice'])
+            content_type = 'voice'
         if 'document' in obj:
             opts['document'] = Document.de_json(obj['document'])
             content_type = 'document'
@@ -210,6 +214,35 @@ class PhotoSize(JsonDeserializable):
 
 
 class Audio(JsonDeserializable):
+    @classmethod
+    def de_json(cls, json_string):
+        obj = cls.check_json(json_string)
+        file_id = obj['file_id']
+        duration = obj['duration']
+        performer = None
+        title = None
+        mime_type = None
+        file_size = None
+        if 'mime_type' in obj:
+            mime_type = obj['mime_type']
+        if 'file_size' in obj:
+            file_size = obj['file_size']
+        if 'performer' in obj:
+            performer = obj['performer']
+        if 'title' in obj:
+            title = obj['title']
+        return Audio(file_id, duration, performer, title, mime_type, file_size)
+
+    def __init__(self, file_id, duration, performer=None, title=None, mime_type=None, file_size=None):
+        self.file_id = file_id
+        self.duration = duration
+        self.performer = performer
+        self.title = title
+        self.mime_type = mime_type
+        self.file_size = file_size
+
+
+class Voice(JsonDeserializable):
     @classmethod
     def de_json(cls, json_string):
         obj = cls.check_json(json_string)
diff --git a/tests/test_data/record.mp3 b/tests/test_data/record.mp3
new file mode 100644
index 0000000..759f0d2
Binary files /dev/null and b/tests/test_data/record.mp3 differ
diff --git a/tests/test_data/record.ogg b/tests/test_data/record.ogg
new file mode 100644
index 0000000..09177b8
Binary files /dev/null and b/tests/test_data/record.ogg differ
diff --git a/tests/test_data/record.wav b/tests/test_data/record.wav
new file mode 100644
index 0000000..7bfd335
Binary files /dev/null and b/tests/test_data/record.wav differ
diff --git a/tests/test_telebot.py b/tests/test_telebot.py
index 5256f5d..5ec4b12 100644
--- a/tests/test_telebot.py
+++ b/tests/test_telebot.py
@@ -115,6 +115,22 @@ def test_send_photo():
     assert ret_msg.message_id
 
 
+def test_send_audio():
+    file_data = open('./test_data/record.mp3', 'rb')
+    tb = telebot.TeleBot(TOKEN)
+    ret_msg = tb.send_audio(CHAT_ID, file_data, 1, 'eternnoir', 'pyTelegram')
+    assert ret_msg.content_type == 'audio'
+    assert ret_msg.audio.performer == 'eternnoir'
+    assert ret_msg.audio.title == 'pyTelegram'
+
+
+def test_send_voice():
+    file_data = open('./test_data/record.ogg', 'rb')
+    tb = telebot.TeleBot(TOKEN)
+    ret_msg = tb.send_voice(CHAT_ID, file_data)
+    assert ret_msg.voice.mime_type == 'audio/ogg'
+
+
 def test_send_message():
     text = 'CI Test Message'
     tb = telebot.TeleBot(TOKEN)
@@ -180,3 +196,7 @@ def test_is_string_string():
 def test_not_string():
     i1 = 10
     assert not apihelper.is_string(i1)
+
+
+test_send_voice()
+test_send_audio()
diff --git a/tests/test_types.py b/tests/test_types.py
index c239000..9686b75 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -39,10 +39,12 @@ def test_json_Document():
 
 
 def test_json_Message_Audio():
-    json_string = r'{"message_id":100,"from":{"id":10734,"first_name":"dd","last_name":"dd","username":"dd"},"chat":{"id":10734,"first_name":"dd","last_name":"dd","username":"dd"},"date":1435481343,"audio":{"duration":3,"mime_type":"audio\/ogg","file_id":"ddg","file_size":8249}}'
+    json_string = r'{"message_id":131,"from":{"id":12775,"first_name":"dd","username":"dd"},"chat":{"id":10834,"first_name":"dd","last_name":"dd","username":"dd"},"date":1439978364,"audio":{"duration":1,"mime_type":"audio\/mpeg","title":"pyTelegram","performer":"eternnoir","file_id":"BQADBQADDH1JaB8-1KyWUss2-Ag","file_size":20096}}'
     msg = types.Message.de_json(json_string)
-    assert msg.audio.duration == 3
+    assert msg.audio.duration == 1
     assert msg.content_type == 'audio'
+    assert msg.audio.performer == 'eternnoir'
+    assert msg.audio.title == 'pyTelegram'
 
 
 def test_json_Message_Sticker():
@@ -52,6 +54,7 @@ def test_json_Message_Sticker():
     assert msg.sticker.thumb.height == 60
     assert msg.content_type == 'sticker'
 
+
 def test_json_Message_Sticker_without_thumb():
     json_string = r'{"message_id":98,"from":{"id":10734,"first_name":"Fd","last_name":"Wd","username":"dd"},"chat":{"id":10734,"first_name":"Fd","last_name":"Wd","username":"dd"},"date":1435479551,"sticker":{"width":550,"height":368,"file_id":"BQADBQADNAIAAsYifgYdGJOa6bGAsQI","file_size":30320}}'
     msg = types.Message.de_json(json_string)
@@ -59,6 +62,7 @@ def test_json_Message_Sticker_without_thumb():
     assert msg.sticker.thumb == None
     assert msg.content_type == 'sticker'
 
+
 def test_json_Message_Document():
     json_string = r'{"message_id":97,"from":{"id":10734,"first_name":"Fd","last_name":"Wd","username":"dd"},"chat":{"id":10,"first_name":"Fd","last_name":"Wd","username":"dd"},"date":1435478744,"document":{"file_name":"Text File","thumb":{},"file_id":"BQADBQADMwIAAsYifgZ_CEh0u682xwI","file_size":446}}'
     msg = types.Message.de_json(json_string)
@@ -102,3 +106,9 @@ def test_json_contact():
     assert contact.first_name == 'dd'
     assert contact.last_name == 'ddl'
 
+
+def test_json_voice():
+    json_string = r'{"duration": 0,"mime_type": "audio/ogg","file_id": "AwcccccccDH1JaB7w_gyFjYQxVAg","file_size": 10481}'
+    voice = types.Voice.de_json(json_string)
+    assert voice.duration == 0;
+    assert voice.file_size == 10481