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這篇文章主要講解了“Python如何實(shí)現(xiàn)語(yǔ)音合成小工具”,文中的講解內(nèi)容簡(jiǎn)單清晰,易于學(xué)習(xí)與理解,下面請(qǐng)大家跟著小編的思路慢慢深入,一起來(lái)研究和學(xué)習(xí)“Python如何實(shí)現(xiàn)語(yǔ)音合成小工具”吧!
TTS(Text To Speech)是一種語(yǔ)音合成技術(shù),可以讓機(jī)器將輸入文本以語(yǔ)音的方式播放出來(lái),實(shí)現(xiàn)機(jī)器說(shuō)話的效果。
TTS分成語(yǔ)音處理及語(yǔ)音合成,先由機(jī)器識(shí)別輸入的文字,再根據(jù)語(yǔ)音庫(kù)進(jìn)行語(yǔ)音合成?,F(xiàn)在有很多可供調(diào)用的TTS接口,比如百度智能云的語(yǔ)音合成接口。微軟在Windows系統(tǒng)中也提供了TTS的接口,可以調(diào)用此接口實(shí)現(xiàn)離線的TTS語(yǔ)音合成功能。
本文將使用pyttsx3庫(kù)作為示范,編寫(xiě)一個(gè)語(yǔ)音合成小工具。
安裝PyQt5及其GUI設(shè)計(jì)工具
# 安裝PyQt5 pip install PyQt5 # 安裝PyQt5設(shè)計(jì)器 pip install PyQt5Designer
本文使用的編輯器是VSCode,不是PyCharm,使用PyQt5的方式可能存在差異,具體使用時(shí)可以根據(jù)實(shí)際情況進(jìn)行配置。
安裝pyttsx3
pip install pyttsx3
可參考下圖設(shè)計(jì)簡(jiǎn)單的GUI界面,由于本文主要為功能實(shí)例,故不考慮界面美觀問(wèn)題。
界面應(yīng)有一個(gè)文本輸入框,用以輸入將要轉(zhuǎn)化為語(yǔ)音的文本,同時(shí)需要一個(gè)播放按鈕,用以觸發(fā)語(yǔ)音播放的方法。語(yǔ)速、音量和語(yǔ)言可以按需選擇。
使用PyQt5的設(shè)計(jì)工具,可以根據(jù)以上配置的GUI界面生成以下UI(XML)代碼:
<?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>Form</class> <widget class="QWidget" name="Form"> <property name="geometry"> <rect> <x>0</x> <y>0</y> <width>313</width> <height>284</height> </rect> </property> <property name="windowTitle"> <string>語(yǔ)音合成器</string> </property> <property name="windowIcon"> <iconset> <normaloff>voice.ico</normaloff>voice.ico</iconset> </property> <widget class="QWidget" name="verticalLayoutWidget"> <property name="geometry"> <rect> <x>10</x> <y>10</y> <width>291</width> <height>261</height> </rect> </property> <layout class="QVBoxLayout" name="verticalLayout"> <property name="spacing"> <number>20</number> </property> <item> <layout class="QHBoxLayout" name="horizontalLayout_2"> <item> <widget class="QLabel" name="label"> <property name="text"> <string>播報(bào)文本</string> </property> <property name="alignment"> <set>Qt::AlignJustify|Qt::AlignTop</set> </property> </widget> </item> <item> <widget class="QTextEdit" name="tbx_text"/> </item> </layout> </item> <item> <layout class="QHBoxLayout" name="horizontalLayout_4"> <item> <widget class="QLabel" name="label_3"> <property name="text"> <string>語(yǔ)速</string> </property> </widget> </item> <item> <widget class="QSlider" name="slider_rate"> <property name="maximum"> <number>300</number> </property> <property name="orientation"> <enum>Qt::Horizontal</enum> </property> </widget> </item> <item> <widget class="QLabel" name="label_rate"> <property name="minimumSize"> <size> <width>30</width> <height>0</height> </size> </property> <property name="text"> <string>0</string> </property> <property name="alignment"> <set>Qt::AlignCenter</set> </property> </widget> </item> </layout> </item> <item> <layout class="QHBoxLayout" name="horizontalLayout_3"> <item> <widget class="QLabel" name="label_2"> <property name="text"> <string>音量</string> </property> </widget> </item> <item> <widget class="QSlider" name="slider_volumn"> <property name="maximum"> <number>100</number> </property> <property name="orientation"> <enum>Qt::Horizontal</enum> </property> </widget> </item> <item> <widget class="QLabel" name="label_volumn"> <property name="minimumSize"> <size> <width>30</width> <height>0</height> </size> </property> <property name="text"> <string>0</string> </property> <property name="alignment"> <set>Qt::AlignCenter</set> </property> </widget> </item> </layout> </item> <item> <layout class="QHBoxLayout" name="horizontalLayout"> <item> <widget class="QLabel" name="label_4"> <property name="text"> <string>選擇語(yǔ)言</string> </property> </widget> </item> <item> <widget class="QRadioButton" name="rbtn_zh"> <property name="text"> <string>中文</string> </property> <property name="checked"> <bool>true</bool> </property> </widget> </item> <item> <widget class="QRadioButton" name="rbtn_en"> <property name="text"> <string>英文</string> </property> </widget> </item> </layout> </item> <item> <layout class="QHBoxLayout" name="horizontalLayout_5"> <item> <widget class="QLabel" name="label_5"> <property name="minimumSize"> <size> <width>60</width> <height>0</height> </size> </property> <property name="text"> <string/> </property> </widget> </item> <item> <widget class="QPushButton" name="btn_play"> <property name="minimumSize"> <size> <width>0</width> <height>30</height> </size> </property> <property name="text"> <string>播放</string> </property> </widget> </item> </layout> </item> </layout> </widget> </widget> <resources/> <connections/> </ui>
最后再使用PyQt5的界面工具,可以根據(jù)以上UI的代碼,生成以下的窗體類(lèi):
# -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'd:\Program\VSCode\Python\TTS_PyQT\tts_form.ui' # # Created by: PyQt5 UI code generator 5.15.7 # # WARNING: Any manual changes made to this file will be lost when pyuic5 is # run again. Do not edit this file unless you know what you are doing. from PyQt5 import QtCore, QtGui, QtWidgets class Ui_Form(object): def setupUi(self, Form): Form.setObjectName("Form") Form.resize(313, 284) icon = QtGui.QIcon() icon.addPixmap( QtGui.QPixmap("./voice.ico"), QtGui.QIcon.Normal, QtGui.QIcon.Off) Form.setWindowIcon(icon) self.verticalLayoutWidget = QtWidgets.QWidget(Form) self.verticalLayoutWidget.setGeometry(QtCore.QRect(10, 10, 291, 261)) self.verticalLayoutWidget.setObjectName("verticalLayoutWidget") self.verticalLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget) self.verticalLayout.setContentsMargins(0, 0, 0, 0) self.verticalLayout.setSpacing(20) self.verticalLayout.setObjectName("verticalLayout") self.horizontalLayout_2 = QtWidgets.QHBoxLayout() self.horizontalLayout_2.setObjectName("horizontalLayout_2") self.label = QtWidgets.QLabel(self.verticalLayoutWidget) self.label.setAlignment(QtCore.Qt.AlignJustify | QtCore.Qt.AlignTop) self.label.setObjectName("label") self.horizontalLayout_2.addWidget(self.label) self.tbx_text = QtWidgets.QTextEdit(self.verticalLayoutWidget) self.tbx_text.setObjectName("tbx_text") self.horizontalLayout_2.addWidget(self.tbx_text) self.verticalLayout.addLayout(self.horizontalLayout_2) self.horizontalLayout_4 = QtWidgets.QHBoxLayout() self.horizontalLayout_4.setObjectName("horizontalLayout_4") self.label_3 = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_3.setObjectName("label_3") self.horizontalLayout_4.addWidget(self.label_3) self.slider_rate = QtWidgets.QSlider(self.verticalLayoutWidget) self.slider_rate.setMaximum(300) self.slider_rate.setOrientation(QtCore.Qt.Horizontal) self.slider_rate.setObjectName("slider_rate") self.horizontalLayout_4.addWidget(self.slider_rate) self.label_rate = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_rate.setMinimumSize(QtCore.QSize(30, 0)) self.label_rate.setAlignment(QtCore.Qt.AlignCenter) self.label_rate.setObjectName("label_rate") self.horizontalLayout_4.addWidget(self.label_rate) self.verticalLayout.addLayout(self.horizontalLayout_4) self.horizontalLayout_3 = QtWidgets.QHBoxLayout() self.horizontalLayout_3.setObjectName("horizontalLayout_3") self.label_2 = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_2.setObjectName("label_2") self.horizontalLayout_3.addWidget(self.label_2) self.slider_volumn = QtWidgets.QSlider(self.verticalLayoutWidget) self.slider_volumn.setMaximum(100) self.slider_volumn.setOrientation(QtCore.Qt.Horizontal) self.slider_volumn.setObjectName("slider_volumn") self.horizontalLayout_3.addWidget(self.slider_volumn) self.label_volumn = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_volumn.setMinimumSize(QtCore.QSize(30, 0)) self.label_volumn.setAlignment(QtCore.Qt.AlignCenter) self.label_volumn.setObjectName("label_volumn") self.horizontalLayout_3.addWidget(self.label_volumn) self.verticalLayout.addLayout(self.horizontalLayout_3) self.horizontalLayout = QtWidgets.QHBoxLayout() self.horizontalLayout.setObjectName("horizontalLayout") self.label_4 = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_4.setObjectName("label_4") self.horizontalLayout.addWidget(self.label_4) self.rbtn_zh = QtWidgets.QRadioButton(self.verticalLayoutWidget) self.rbtn_zh.setChecked(True) self.rbtn_zh.setObjectName("rbtn_zh") self.horizontalLayout.addWidget(self.rbtn_zh) self.rbtn_en = QtWidgets.QRadioButton(self.verticalLayoutWidget) self.rbtn_en.setObjectName("rbtn_en") self.horizontalLayout.addWidget(self.rbtn_en) self.verticalLayout.addLayout(self.horizontalLayout) self.horizontalLayout_5 = QtWidgets.QHBoxLayout() self.horizontalLayout_5.setObjectName("horizontalLayout_5") self.label_5 = QtWidgets.QLabel(self.verticalLayoutWidget) self.label_5.setMinimumSize(QtCore.QSize(60, 0)) self.label_5.setText("") self.label_5.setObjectName("label_5") self.horizontalLayout_5.addWidget(self.label_5) self.btn_play = QtWidgets.QPushButton(self.verticalLayoutWidget) self.btn_play.setMinimumSize(QtCore.QSize(0, 30)) self.btn_play.setObjectName("btn_play") self.horizontalLayout_5.addWidget(self.btn_play) self.verticalLayout.addLayout(self.horizontalLayout_5) self.retranslateUi(Form) QtCore.QMetaObject.connectSlotsByName(Form) def retranslateUi(self, Form): _translate = QtCore.QCoreApplication.translate Form.setWindowTitle(_translate("Form", "語(yǔ)音合成器")) self.label.setText(_translate("Form", "播報(bào)文本")) self.label_3.setText(_translate("Form", "語(yǔ)速")) self.label_rate.setText(_translate("Form", "0")) self.label_2.setText(_translate("Form", "音量")) self.label_volumn.setText(_translate("Form", "0")) self.label_4.setText(_translate("Form", "選擇語(yǔ)言")) self.rbtn_zh.setText(_translate("Form", "中文")) self.rbtn_en.setText(_translate("Form", "英文")) self.btn_play.setText(_translate("Form", "播放"))
如果直接復(fù)制此代碼,可能會(huì)出現(xiàn)圖標(biāo)丟失的問(wèn)題。這個(gè)需要根據(jù)實(shí)際情況修改icon的配置,并添加要使用的ico圖標(biāo)文件。
首先我們需要初始化并獲取語(yǔ)音合成用的語(yǔ)音引擎對(duì)象。
# tts對(duì)象 engine = pyttsx3.init()
我們可以通過(guò)該對(duì)象的setProperty方法,對(duì)語(yǔ)音合成的對(duì)象的屬性進(jìn)行修改:
屬性名 | 解釋 |
rate | 以每分鐘字?jǐn)?shù)表示的整數(shù)語(yǔ)速 |
volume | 音量,取值范圍為[0.0, 1.0] |
voices | 語(yǔ)音的字符串標(biāo)識(shí)符 |
語(yǔ)音工具類(lèi)代碼如下,代碼含義可參考注釋?zhuān)?/p>
import pyttsx3 class VoiceEngine(): ''' tts 語(yǔ)音工具類(lèi) ''' def __init__(self): ''' 初始化 ''' # tts對(duì)象 self.__engine = pyttsx3.init() # 語(yǔ)速 self.__rate = 150 # 音量 self.__volume = 100 # 語(yǔ)音ID,0為中文,1為英文 self.__voice = 0 @property def Rate(self): ''' 語(yǔ)速屬性 ''' return self.__rate @Rate.setter def Rate(self, value): self.__rate = value @property def Volume(self): ''' 音量屬性 ''' return self.__volume @Volume.setter def Volume(self, value): self.__volume = value @property def VoiceID(self): ''' 語(yǔ)音ID:0 -- 中文;1 -- 英文 ''' return self.__voice @VoiceID.setter def VoiceID(self, value): self.__voice = value def Say(self, text): ''' 播放語(yǔ)音 ''' self.__engine.setProperty('rate', self.__rate) self.__engine.setProperty('volume', self.__volume) # 獲取可用語(yǔ)音列表,并設(shè)置語(yǔ)音 voices = self.__engine.getProperty('voices') self.__engine.setProperty('voice', voices[self.__voice].id) # 保存語(yǔ)音文件 # self.__engine.save_to_file(text, 'test.mp3') self.__engine.say(text) self.__engine.runAndWait() self.__engine.stop()
我們可以創(chuàng)建一個(gè)繼承于我們剛剛創(chuàng)建的PyQt5的窗體類(lèi),并為窗體的拖拽事件和點(diǎn)擊事件注冊(cè)回調(diào)函數(shù),同時(shí)創(chuàng)建一個(gè)語(yǔ)音工具類(lèi)的實(shí)例,用以實(shí)現(xiàn)指定事件觸發(fā)時(shí)需要執(zhí)行的語(yǔ)音操作。
import sys import _thread as th from PyQt5.QtWidgets import QMainWindow, QApplication from Ui_tts_form import Ui_Form class MainWindow(QMainWindow, Ui_Form): ''' 窗體類(lèi) ''' def __init__(self, parent=None): ''' 初始化窗體 ''' super(MainWindow, self).__init__(parent) self.setupUi(self) # 獲取tts工具類(lèi)實(shí)例 self.engine = VoiceEngine() self.__isPlaying = False # 設(shè)置初始文本 self.tbx_text.setText('床前明月光,疑似地上霜。\n舉頭望明月,低頭思故鄉(xiāng)。') # 進(jìn)度條數(shù)據(jù)綁定到label中顯示 self.slider_rate.valueChanged.connect(self.setRateTextValue) self.slider_volumn.valueChanged.connect(self.setVolumnTextValue) # 設(shè)置進(jìn)度條初始值 self.slider_rate.setValue(self.engine.Rate) self.slider_volumn.setValue(self.engine.Volume) # RadioButton選擇事件 self.rbtn_zh.toggled.connect(self.onSelectVoice_zh) self.rbtn_en.toggled.connect(self.onSelectVoice_en) # 播放按鈕點(diǎn)擊事件 self.btn_play.clicked.connect(self.onPlayButtonClick) def setRateTextValue(self): ''' 修改語(yǔ)速label文本值 ''' value = self.slider_rate.value() self.label_rate.setText(str(value)) self.engine.Rate = value def setVolumnTextValue(self): ''' 修改音量label文本值 ''' value = self.slider_volumn.value() self.label_volumn.setText(str(value / 100)) self.engine.Volume = value def onSelectVoice_zh(self): ''' 修改中文的語(yǔ)音配置及默認(rèn)播放文本 ''' self.tbx_text.setText('床前明月光,疑似地上霜。\n舉頭望明月,低頭思故鄉(xiāng)。') self.engine.VoiceID = 0 def onSelectVoice_en(self): ''' 修改英文的語(yǔ)音配置及默認(rèn)的播放文本 ''' self.tbx_text.setText('Hello World') self.engine.VoiceID = 1 def playVoice(self): ''' 播放 ''' if self.__isPlaying is not True: self.__isPlaying = True text = self.tbx_text.toPlainText() self.engine.Say(text) self.__isPlaying = False def onPlayButtonClick(self): ''' 播放按鈕點(diǎn)擊事件 開(kāi)啟線程新線程播放語(yǔ)音,避免窗體因?yàn)檎Z(yǔ)音播放而假卡死 ''' th.start_new_thread(self.playVoice, ())
import sys import _thread as th from PyQt5.QtWidgets import QMainWindow, QApplication from Ui_tts_form import Ui_Form import pyttsx3 class VoiceEngine(): ''' tts 語(yǔ)音工具類(lèi) ''' def __init__(self): ''' 初始化 ''' # tts對(duì)象 self.__engine = pyttsx3.init() # 語(yǔ)速 self.__rate = 150 # 音量 self.__volume = 100 # 語(yǔ)音ID,0為中文,1為英文 self.__voice = 0 @property def Rate(self): ''' 語(yǔ)速屬性 ''' return self.__rate @Rate.setter def Rate(self, value): self.__rate = value @property def Volume(self): ''' 音量屬性 ''' return self.__volume @Volume.setter def Volume(self, value): self.__volume = value @property def VoiceID(self): ''' 語(yǔ)音ID:0 -- 中文;1 -- 英文 ''' return self.__voice @VoiceID.setter def VoiceID(self, value): self.__voice = value def Say(self, text): ''' 播放語(yǔ)音 ''' self.__engine.setProperty('rate', self.__rate) self.__engine.setProperty('volume', self.__volume) voices = self.__engine.getProperty('voices') self.__engine.setProperty('voice', voices[self.__voice]) # 保存語(yǔ)音文件 # self.__engine.save_to_file(text, 'test.mp3') self.__engine.say(text) self.__engine.runAndWait() self.__engine.stop() class MainWindow(QMainWindow, Ui_Form): ''' 窗體類(lèi) ''' def __init__(self, parent=None): ''' 初始化窗體 ''' super(MainWindow, self).__init__(parent) self.setupUi(self) # 獲取tts工具類(lèi)實(shí)例 self.engine = VoiceEngine() self.__isPlaying = False # 設(shè)置初始文本 self.tbx_text.setText('床前明月光,疑似地上霜。\n舉頭望明月,低頭思故鄉(xiāng)。') # 進(jìn)度條數(shù)據(jù)綁定到label中顯示 self.slider_rate.valueChanged.connect(self.setRateTextValue) self.slider_volumn.valueChanged.connect(self.setVolumnTextValue) # 設(shè)置進(jìn)度條初始值 self.slider_rate.setValue(self.engine.Rate) self.slider_volumn.setValue(self.engine.Volume) # RadioButton選擇事件 self.rbtn_zh.toggled.connect(self.onSelectVoice_zh) self.rbtn_en.toggled.connect(self.onSelectVoice_en) # 播放按鈕點(diǎn)擊事件 self.btn_play.clicked.connect(self.onPlayButtonClick) def setRateTextValue(self): ''' 修改語(yǔ)速label文本值 ''' value = self.slider_rate.value() self.label_rate.setText(str(value)) self.engine.Rate = value def setVolumnTextValue(self): ''' 修改音量label文本值 ''' value = self.slider_volumn.value() self.label_volumn.setText(str(value / 100)) self.engine.Volume = value def onSelectVoice_zh(self): ''' 修改中文的語(yǔ)音配置及默認(rèn)播放文本 ''' self.tbx_text.setText('床前明月光,疑似地上霜。\n舉頭望明月,低頭思故鄉(xiāng)。') self.engine.VoiceID = 0 def onSelectVoice_en(self): ''' 修改英文的語(yǔ)音配置及默認(rèn)的播放文本 ''' self.tbx_text.setText('Hello World') self.engine.VoiceID = 1 def playVoice(self): ''' 播放 ''' if self.__isPlaying is not True: self.__isPlaying = True text = self.tbx_text.toPlainText() self.engine.Say(text) self.__isPlaying = False def onPlayButtonClick(self): ''' 修改語(yǔ)速label文本值 ''' th.start_new_thread(self.playVoice, ()) if __name__ == "__main__": ''' 主函數(shù) ''' app = QApplication(sys.argv) form = MainWindow() form.show() sys.exit(app.exec_())
感謝各位的閱讀,以上就是“Python如何實(shí)現(xiàn)語(yǔ)音合成小工具”的內(nèi)容了,經(jīng)過(guò)本文的學(xué)習(xí)后,相信大家對(duì)Python如何實(shí)現(xiàn)語(yǔ)音合成小工具這一問(wèn)題有了更深刻的體會(huì),具體使用情況還需要大家實(shí)踐驗(yàn)證。這里是億速云,小編將為大家推送更多相關(guān)知識(shí)點(diǎn)的文章,歡迎關(guān)注!
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