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qt文本转化为语音

Qt 图形界面开发

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  • 开发语言:C/C++
  • 实例大小:0.89M
  • 下载次数:24
  • 浏览次数:221
  • 发布时间:2021-07-19
  • 实例类别:Qt 图形界面开发
  • 发 布 人:火凤凰
  • 文件格式:.rar
  • 所需积分:2
 相关标签: 转化 文本 语音

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实例介绍

【实例简介】文本文件中的文本转化为语音输出

【实例截图】

【核心代码】


#include "mainwindow.h"
#include <QLoggingCategory>
#include <QTextToSpeech>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent),
    m_speech(0)
{
    ui.setupUi(this);
    setWindowTitle("语音播报");
    QLoggingCategory::setFilterRules(QStringLiteral("qt.speech.tts=true \n qt.speech.tts.*=true"));

    // Populate engine selection list
    ui.engine->addItem("Default", QString("default"));
    foreach (QString engine, QTextToSpeech::availableEngines())
        ui.engine->addItem(engine, engine);
    ui.engine->setCurrentIndex(0);
    engineSelected(0);

    connect(ui.speakButton, &QPushButton::clicked, this, &MainWindow::speak);
    connect(ui.pitch, &QSlider::valueChanged, this, &MainWindow::setPitch);
    connect(ui.rate, &QSlider::valueChanged, this, &MainWindow::setRate);
    connect(ui.volume, &QSlider::valueChanged, this, &MainWindow::setVolume);
    connect(ui.engine, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::engineSelected);
}
//朗读
void MainWindow::speak()
{
    m_speech->say(ui.plainTextEdit->toPlainText());
}
//停止
void MainWindow::stop()
{
    m_speech->stop();
}
/*设置语速-1.0到1.0*/
void MainWindow::setRate(int rate)
{
    m_speech->setRate(rate / 10.0);
}
/*设置音高-1.0到1.0*/
void MainWindow::setPitch(int pitch)
{
    m_speech->setPitch(pitch / 10.0);
}
/*设置音量0.0-1.0*/
void MainWindow::setVolume(int volume)
{
    m_speech->setVolume(volume / 100.0);
}
/*状态改变*/
void MainWindow::stateChanged(QTextToSpeech::State state)
{
    if (state == QTextToSpeech::Speaking)
    {
        ui.statusbar->showMessage("Speech started...");
    }
    else if (state == QTextToSpeech::Ready)
        ui.statusbar->showMessage("Speech stopped...", 2000);
    else if (state == QTextToSpeech::Paused)
        ui.statusbar->showMessage("Speech paused...");
    else
        ui.statusbar->showMessage("Speech error!");

    ui.pauseButton->setEnabled(state == QTextToSpeech::Speaking);
    ui.resumeButton->setEnabled(state == QTextToSpeech::Paused);
    ui.stopButton->setEnabled(state == QTextToSpeech::Speaking || state == QTextToSpeech::Paused);
}
/*选择引擎*/
void MainWindow::engineSelected(int index)
{
    QString engineName = ui.engine->itemData(index).toString();
    delete m_speech;
    if (engineName == "default")
        m_speech = new QTextToSpeech(this);
    else
        m_speech = new QTextToSpeech(engineName, this);
    disconnect(ui.language, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected);
    ui.language->clear();
    // Populate the languages combobox before connecting its signal.
    QVector<QLocale> locales = m_speech->availableLocales();
    QLocale current = m_speech->locale();
    foreach (const QLocale &locale, locales) {
        QString name(QString("%1 (%2)")
                     .arg(QLocale::languageToString(locale.language()))
                     .arg(QLocale::countryToString(locale.country())));
        QVariant localeVariant(locale);
        ui.language->addItem(name, localeVariant);
        if (locale.name() == current.name())
            current = locale;
    }
    setRate(ui.rate->value());
    setPitch(ui.pitch->value());
    setVolume(ui.volume->value());
    connect(ui.stopButton, &QPushButton::clicked, m_speech, &QTextToSpeech::stop);
    connect(ui.pauseButton, &QPushButton::clicked, m_speech, &QTextToSpeech::pause);
    connect(ui.resumeButton, &QPushButton::clicked, m_speech, &QTextToSpeech::resume);

    connect(m_speech, &QTextToSpeech::stateChanged, this, &MainWindow::stateChanged);
    connect(m_speech, &QTextToSpeech::localeChanged, this, &MainWindow::localeChanged);

    connect(ui.language, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected);
    localeChanged(current);
}
/*选择语言*/
void MainWindow::languageSelected(int language)
{
    QLocale locale = ui.language->itemData(language).toLocale();
    m_speech->setLocale(locale);
}
/*选择声音*/
void MainWindow::voiceSelected(int index)
{
    m_speech->setVoice(m_voices.at(index));
}
/*语言环境改变*/
void MainWindow::localeChanged(const QLocale &locale)
{
    QVariant localeVariant(locale);
    ui.language->setCurrentIndex(ui.language->findData(localeVariant));

    disconnect(ui.voice, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::voiceSelected);
    ui.voice->clear();

    m_voices = m_speech->availableVoices();
    QVoice currentVoice = m_speech->voice();
    foreach (const QVoice &voice, m_voices) {
        ui.voice->addItem(QString("%1 - %2 - %3").arg(voice.name())
                          .arg(QVoice::genderName(voice.gender()))
                          .arg(QVoice::ageName(voice.age())));
        if (voice.name() == currentVoice.name())
            ui.voice->setCurrentIndex(ui.voice->count() - 1);
    }
    connect(ui.voice, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::voiceSelected);
}

标签: 转化 文本 语音

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qt文本转化为语音

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