參考：https://www.meihaocloud.com/1060.html

package test1;

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;

public class JacobTest {

    /**
     *  將文字直接朗讀
     * @param text
     */
    public static void textToSpeech(String text) {
        ActiveXComponent ax 
 
= null;
        try {
            ax = new ActiveXComponent("Sapi.SpVoice");
            // 執行時輸出語音內容
            Dispatch spVoice = ax.getObject();
            // 音量 0-100
            ax.setProperty("Volume", new Variant(100));
            // 語音朗讀速度 -10 到 +10
            ax.setProperty("Rate", new Variant(2));
            
 
// 執行朗讀
            Dispatch.call(spVoice, "Speak", new Variant(text));
            spVoice.safeRelease();
            ax.safeRelease();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 將文字儲存為音訊檔案 wav、mp3
     * @param text
     * @param filePath
     */
    public
 
 static void textToAudio(String text, String filePath) {
        ActiveXComponent ax = null;
        try {
            ax = new ActiveXComponent("Sapi.SpVoice");
            // 執行時輸出語音內容
            Dispatch spVoice = ax.getObject();
            // 音量 0-100
            ax.setProperty("Volume", new Variant(100));
            // 語音朗讀速度 -10 到 +10
            ax.setProperty("Rate", new Variant(2));

            // 將檔案流把生成音訊檔案
            ax = new ActiveXComponent("Sapi.SpFileStream");
            Dispatch spFileStream = ax.getObject();

            ax = new ActiveXComponent("Sapi.SpAudioFormat");
            Dispatch spAudioFormat = ax.getObject();

            // 設定音訊流格式
            Dispatch.put(spAudioFormat, "Type", new Variant(22));
            // 設定檔案輸出流格式
            Dispatch.putRef(spFileStream, "Format", spAudioFormat);
            // 呼叫輸出 檔案流開啟方法，建立一個.wav .mp3檔案
            Dispatch.call(spFileStream, "Open", new Variant(filePath), new Variant(3), new Variant(true));
            // 設定聲音物件的音訊輸出流為輸出檔案物件
            Dispatch.putRef(spVoice, "AudioOutputStream", spFileStream);
            // 設定音量 0到100
            Dispatch.put(spVoice, "Volume", new Variant(100));
            // 設定朗讀速度 -10 到 +10
            Dispatch.put(spVoice, "Rate", new Variant(2));
            // 開始朗讀
            Dispatch.call(spVoice, "Speak", new Variant(text));

            // 關閉輸出檔案
            Dispatch.call(spFileStream, "Close");
            Dispatch.putRef(spVoice, "AudioOutputStream", null);

            spAudioFormat.safeRelease();
            spFileStream.safeRelease();
            spVoice.safeRelease();
            ax.safeRelease();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    public static void main(String[] args) {

        String str = "12日公佈的“十四五”規劃和2035年遠景目標綱要明確提出，按照“小步調整、彈性實施、分類推進、統籌兼顧”等原則，逐步延遲法定退休年齡。";
        // 直接朗讀
        textToSpeech(str);
        // 生成檔案
        textToAudio(str, "d://test.mp3");

    }

}

下載：https://github.com/freemansoft/jacob-project/releases

報錯：no jacob-1.20-x64 in java.library.path

將jacob-1.20-x64.dll或者jacob-1.20-x86.dll放到  /jre/bin下