This is an important additional capability because a solution that leverages new sensor data could evolve beyond a single back-end processing system.
这是一个重要的附加功能，因为利用新的传感器数据的解决方案可能会演变为超出单个后端处理系统的范围。
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。
You need a system with the capability of processing sound input, preferably from an external microphone.
需要系统能够处理可能来自外部麦克风的声音输入。
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