The wall display can also provide captions for display-over images and Swing components, allowing for a form of closed captioning (for example, to display any spoken speech output).
墙壁显示还可以提供所显示图像的字幕和Swing组件，以显示关闭字幕的窗体(例如，显示任何播放的语音输出)。
Note: The closed captioning check boxes are greyed out if you the slide does not contain an audio.
注：如果你的幻灯片不包含声音，则隐藏式字幕复选框是灰的。
Note: The closed captioning check boxes are greyed out if you the slide does not contain an audio.
注：如果你的幻灯片不包含声音，则隐藏式字幕复选框是灰的。
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