java 文本转音频

1. 引入依赖

<dependency>
    <groupId>com.hynnet</groupId>
    <artifactId>jacob</artifactId>
    <version>1.18</version>
</dependency>

2.代码展示

/**
     * 文本转音频
     *
     * @param path   音频生成路径
     * @param text   文本内容
     * @param volume 音量大小 0 - 100
     * @param speed  语音朗读速度 -10 到 +10
     * @return 是否成功
     */
    public static boolean text(String path, String text, int volume, int speed) {
        try {
            // 调用dll朗读方法
            ActiveXComponent ax = new ActiveXComponent("Sapi.SpVoice");
            // 音量 0 - 100
            ax.setProperty("Volume", new Variant(volume));
            // 语音朗读速度 -10 到 +10
            ax.setProperty("Rate", new Variant(speed));
            // 输入的语言内容
            Dispatch dispatch = ax.getObject();
            // 本地执行朗读
            Dispatch.call(dispatch, "Speak", new Variant(text));

            //开始生成语音文件，构建文件流
            ax = new ActiveXComponent("Sapi.SpFileStream");
            Dispatch sfFileStream = ax.getObject();
            //设置文件生成格式
            ax = new ActiveXComponent("Sapi.SpAudioFormat");
            Dispatch fileFormat = ax.getObject();

            // 设置音频流格式
            Dispatch.put(fileFormat, "Type", new Variant(22));
            // 设置文件输出流格式
            Dispatch.putRef(sfFileStream, "Format", fileFormat);
            // 调用输出文件流打开方法，创建一个音频文件
            Dispatch.call(sfFileStream, "Open", new Variant(path), new Variant(3), new Variant(true));
            // 设置声音对应输出流为输出文件对象
            Dispatch.putRef(dispatch, "AudioOutputStream", sfFileStream);
            // 设置音量
            Dispatch.put(dispatch, "Volume", new Variant(volume));
            // 设置速度
            Dispatch.put(dispatch, "Rate", new Variant(speed));
            // 执行朗读
            Dispatch.call(dispatch, "Speak", new Variant(text));
            // 关闭输出文件
            Dispatch.call(sfFileStream, "Close");
            Dispatch.putRef(dispatch, "AudioOutputStream", null);

            // 关闭资源
            sfFileStream.safeRelease();
            fileFormat.safeRelease();
            // 关闭朗读的操作
            dispatch.safeRelease();
            ax.safeRelease();
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

3.若报错

Exception in thread "main" java.lang.UnsatisfiedLinkError: no jacob-1.18-x64 in java.library.path
	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
	at java.lang.Runtime.loadLibrary0(Runtime.java:870)
	at java.lang.System.loadLibrary(System.java:1122)
	at com.jacob.com.LibraryLoader.loadJacobLibrary(LibraryLoader.java:184)
	at com.jacob.com.JacobObject.<clinit>(JacobObject.java:110)
	at com.ymw.common.utils.TextToAudioUtils.text(TextToAudioUtils.java:33)
	at com.ymw.common.utils.TextToAudioUtils.main(TextToAudioUtils.java:82)

将以下文件放入jdk的bin目录下即可
jacob-1.18-x64.dll 文件下载（免费）