我测试了一下，生成的音频没有演示网站的好，请问知道是什么原因？

[LHiaoeng]

test.mp3 配置什么的都没改。这个代码生成的：

TTS tts = new TTS(voice, content)
                .isRateLimited(true) // Set to true to resolve the rate limiting issue in certain regions.
                .formatMp3();  // default mp3.


        ByteArrayOutputStream stream = tts.transToAudioStream();
        // Write to file to test if the stream is correct.
        try (FileOutputStream fileOutputStream = new FileOutputStream("./storage/test.mp3")) {
            stream.writeTo(fileOutputStream);
        } catch (IOException e) {
            e.printStackTrace();
        }