设置 Java Clip 的音量

问题描述

有没有办法在Java中设置Clip的各自音量?

Is there any way to set the respective volume of a Clip in Java?

我有这个方法:

public static void play(Clip clip) {
    if (Settings.getSettings().isVolumeOn()) {
        FloatControl volume = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
        volume.setValue(-1 * Settings.getSettings().getVolume());
        clip.start();
    }
}

Settings.getSettings().getVolume() 返回 0 - 100

卷:

1. 0:没有声音
2. 40:使用耳机获得最佳音效
3. 60:最佳音效
4. 100:全音

所以本质上这应该是 VLC 的比例(但一半因为 VLC 是从 0 到 200).

So essentially this should be like the scale of VLC (but half since VLC is from 0 to 200).

我发现我可以通过使用volume.setValue(-10f);

但我更喜欢 volume.setValue(clip.getMaxVolume() * Settings.getSettings().getVolume()/100) 类型的东西.

But I would prefer something of the type volume.setValue(clip.getMaxVolume() * Settings.getSettings().getVolume()/100).

其中 clip.getMaxVolume() 将返回剪辑的最大音量.

Where clip.getMaxVolume() would return the max volume of the clip.

推荐答案

根据Killer Game Programming by Andrew Davison，您可以这么简单地调节音量:

According to Killer Game Programming by Andrew Davison you can adjust volume this simple:

float range = gainControl.getMaximum() - gainControl.getMinimum();
float gain = (range * volume) + gainControl.getMinimum();
gainControl.setValue(gain);

volume 是所需的浮动音量(0.0f 表示没有声音，1.0f 表示完整音频)gainControl 是 FloatControl

volume being the desired volume in float (0.0f means no sound, 1.0f means full audio)gainControl is the FloatControl

希望你能让它发挥作用！

Hope you can get it to work!

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