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
        (other formats may be sent as Audio or Document).

        Source: https://core.telegram.org/bots/api#sendvoice

        :param voice: Audio file to send.
        :type voice: :obj:`typing.Union[base.InputFile, base.String]`
        :param caption: Voice message caption, 0-200 characters
        :type caption: :obj:`typing.Union[base.String, None]`
        :param duration: Duration of the voice message in seconds
        :type duration: :obj:`typing.Union[base.Integer, None]`
        :param disable_notification: Sends the message silently. Users will receive a notification with no sound.
        :type disable_notification: :obj:`typing.Union[base.Boolean, None]`
        :param reply_markup: Additional interface options.
        :type reply_markup: :obj:`typing.Union[types.InlineKeyboardMarkup,
            types.ReplyKeyboardMarkup, types.ReplyKeyboardRemove, types.ForceReply, None]`
        :param reply: fill 'reply_to_message_id'
        :return: On success, the sent Message is returned.
        :rtype: :obj:`types.Message`

async def reply_voice(self, voice: typing.Union[base.InputFile, base.String],
                          caption: typing.Union[base.String, None] = None,
                          duration: typing.Union[base.Integer, None] = None,
                          disable_notification: typing.Union[base.Boolean, None] = None,
                          reply_markup=None,
                          reply=True) -> Message:
        """
        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
        (other formats may be sent as Audio or Document).

        Source: https://core.telegram.org/bots/api#sendvoice

        :param voice: Audio file to send.
        :type voice: :obj:`typing.Union[base.InputFile, base.String]`
        :param caption: Voice message caption, 0-200 characters
        :type caption: :obj:`typing.Union[base.String, None]`
        :param duration: Duration of the voice message in seconds
        :type duration: :obj:`typing.Union[base.Integer, None]`
        :param disable_notification: Sends the message silently. Users will receive a notification with no sound.
        :type disable_notification: :obj:`typing.Union[base.Boolean, None]`
        :param reply_markup: Additional interface options.
        :type reply_markup: :obj:`typing.Union[types.InlineKeyboardMarkup,
            types.ReplyKeyboardMarkup, types.ReplyKeyboardRemove, types.ForceReply, None]`
        :param reply: fill 'reply_to_message_id'
        :return: On success, the sent Message is returned.
        :rtype: :obj:`types.Message`
        """
        return await self.bot.send_voice(chat_id=self.chat.id,
                                         voice=voice,
                                         caption=caption,
                                         duration=duration,
                                         disable_notification=disable_notification,
                                         reply_to_message_id=self.message_id if reply else None,
                                         reply_markup=reply_markup)