At the moment we are only using limited sounds audible for us among their wide sound range.

鲸鱼的叫声音区很广，而目前我们只能通过人耳可听到的声音与它们交流。

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Sound engineers utilize a range of techniques to enhance the quality of the recordings.

音响工程师利用一系列的技术来提高录音质量。

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It is the perfect shape for producing a brilliant, expressive and infinitely variable sound in the same frequency range as the human voice.

这种结构是十分完美的，它使得小提琴可以产生美妙的，富有表现力的，以及在人声的频率范围内无限多变的声音。

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"Unlike traditional baby monitors, WeMo Baby gives you clear digital sound without range limits, meaning you can check on your baby from places other monitors may not reach, like the backyard or even away from home, " said Jamie Elgie, senior director of product management for Belkin.

ENGADGET: Belkin WeMo Baby monitor lets you listen to Junior via an internet connection and an iOS device

Despite its compact size, the DA-F60 delivers a full-range sound reproduction that is on par with larger and more expensive systems.

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This was particularly noticeable over the range of sound levels associated with everyday tasks such as listening to the television or chatting at the dinner table.

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