Experiments and simulations show that the proposed system can operate in audio switch frequency range without audio noise from the motor load, meanwhile, EMI can be limited to low level.

实验与仿真结果表明：该系统采用音频开关而不导致电机负载的音频噪声，同时使EMI能被限制在低电平。

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This tool for visually-impaired users essentially turns the trackpad into a screen reader, supporting special gestures to switch between windows and audio feedback when clicking.

VoiceOver可以把trackpad从根本上变成一个屏幕阅读器，支持特殊手势切换窗口以及在点击时获得声音反馈。

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The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.

指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。

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In order to fully exploit the sound potential of the HDVD 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage.

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Audio Zoom allows users to dynamically switch between narrate mode, with a single speaker, to interview mode, where the person holding the device can "interview" another person.

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As you pass a major landmark, your phone may switch off your music and turn on an audio recording of a person describing a landmark you're passing.

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