屏幕阅读器提供关联的听觉表述，如屏幕上有什么，可用的选项是什么，聚焦到什么用户界面控件上，以及发生了什么变化。
A screen reader provides a continuous auditory representation of what's on the screen, what options are available, what user interface control has focus, and what changes are taking place.
在程序中我们从来没有为用户提供过高质量的正面听觉反馈，所以不奇怪人们会把声音与坏的界面联系在一起。
We have never given our users a chance by putting high-quality, positive audible feedback in our programs, so it's no wonder that people associate sound with bad interfaces.
结果表明，非语音是设计听觉用户界面的可行途径。
The results show that aural user interface design using non-speech sound is feasible.
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