Two-way audio allows you to not only to listen to live audio, but also talk back via the camera's speaker.

双向音频允许你不仅要听现场音频，而且还可以通过摄像机的扬声器顶嘴。

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This app also supports two-way audio, so you can use your mobile device to listen to live audio from your baby camera, or broadcast audio to the camera's built-in speaker.

这个应用程序还支持双向音频，让您可以使用移动设备来听取您的宝宝住摄像头的音频，或广播音频到相机的内置扬声器。

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This, however, is more than simply being a dynamic speaker. Good leaders intuitively understand communication has to be a two-way street in order to be effective.

所谓善于沟通，并不是指做个滔滔不绝的演说家，卓越的领导者明白，沟通必须是条有来有往的双向道，才能达到沟通的效果。

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The integrated speaker solution is comprised of two-way active speakers (BeoLab 15), an active subwoofer (BeoLab 16) and a rack-ready amplifier (Amplifier 1)-all created specifically for in-wall or in-ceiling placement.

ENGADGET: Bang & Olufsen launches BeoLab 15 in-wall speakers for stealthier beats (update: ears-on)