而科学家研究发现，在这些人的大脑中，处理回声的部分并不是掌管听力的部分，而是大脑的视觉皮质。

And now scientists have learned that the area of the brain that processes the echoes is not the region for hearing-it's actually the visual cortex.

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最近的研究证实在利用回声定位的盲人受试者中，是大脑的视觉部分在处理听觉的回声。克里斯蒂·尼克尔森报道。

Recent research has confirmed that in blind subjects who use echolocation to navigate, it is the visual part of the brain that processes the auditory echoes. Christie Nicholson reports.

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声学处理和回声控制拾音和重放是多媒体处理的一个重要领域。

Acoustic processing and echo control Sound pickup and playback is an important area of multimedia processing.

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