/tmp/snapshot-pyside-6.2/tqtc-pyside-setup/examples/texttospeech/hello_speak

(You can also check this code in the repository)

"""PySide6 QTextToSpeech example"""

import sys
from PySide6.QtCore import Qt
from PySide6.QtWidgets import (QApplication, QComboBox, QFormLayout,
    QHBoxLayout, QLineEdit, QMainWindow, QPushButton, QSlider, QWidget)

from PySide6.QtTextToSpeech import QTextToSpeech


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        centralWidget = QWidget()
        self.setCentralWidget(centralWidget)
        layout = QFormLayout(centralWidget)

        textLayout = QHBoxLayout()
        self.text = QLineEdit('Hello, PySide6')
        self.text.setClearButtonEnabled(True)
        textLayout.addWidget(self.text)
        self.sayButton = QPushButton('Say')
        textLayout.addWidget(self.sayButton)
        self.text.returnPressed.connect(self.sayButton.animateClick)
        self.sayButton.clicked.connect(self.say)
        layout.addRow('Text:', textLayout)

        self.voiceCombo = QComboBox()
        layout.addRow('Voice:', self.voiceCombo)

        self.volumeSlider = QSlider(Qt.Horizontal)
        self.volumeSlider.setMinimum(0)
        self.volumeSlider.setMaximum(100)
        self.volumeSlider.setValue(100)
        layout.addRow('Volume:', self.volumeSlider)

        self.engine = None
        engineNames = QTextToSpeech.availableEngines()
        if len(engineNames) > 0:
            engineName = engineNames[0]
            self.engine = QTextToSpeech(engineName)
            self.engine.stateChanged.connect(self.stateChanged)
            self.setWindowTitle(f'QTextToSpeech Example ({engineName})')
            self.voices = []
            for voice in self.engine.availableVoices():
                self.voices.append(voice)
                self.voiceCombo.addItem(voice.name())
        else:
            self.setWindowTitle('QTextToSpeech Example (no engines available)')
            self.sayButton.setEnabled(False)

    def say(self):
        self.sayButton.setEnabled(False)
        self.engine.setVoice(self.voices[self.voiceCombo.currentIndex()])
        self.engine.setVolume(float(self.volumeSlider.value()) / 100)
        self.engine.say(self.text.text())

    def stateChanged(self, state):
        if (state == QTextToSpeech.State.Ready):
            self.sayButton.setEnabled(True)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    mainWin = MainWindow()
    mainWin.show()
    sys.exit(app.exec())