You'll need a system with the capability of processing sound input, preferably from an integrated microphone, although any sound source capable of producing discrete tonal events will suffice.

需要一个能够处理声音输入的系统，虽然能够生成离散音调事件的任何声源都可以满足要求，但最好还是选用功能齐全的麦克风。

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The plastic horns became a hallmarkof the World Cup in South Africa, producing a monotonous droning sound which provided a backdropfor every match.

这种塑料喇叭成为南非世界杯的一个印记，它所发出的单调的嗡嗡声成为每场比赛的背景声音。

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The air inside the space vibrates fast, producing a sound.

空间里的空气振动得很快，发出了声响。

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He screamed as loud as he could, producing a sound between a howl and a battle cry.

NEWYORKER: Max at Sea

"The bird doesn't actually hear his song when he is sleeping, because he is not producing any sound, " said Dr Deregnaucourt.

BBC: NEWS | Science/Nature | Sleep helps birds sing better

She was determined to put together an ensemble that was capable of taking on a demanding repertoire and producing a unified sound.

ECONOMIST: 120 players from 35 countries have a ball