有了麦克风之类的扩音装置，演讲者就可以使用自然的音调。
With an amplifying device like a microphone, the speaker can use a natural tone.
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'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.
如同任何麦克风有音调的性格，你的耳朵有太多。
Like any microphone has a tonal character, your ears have too.
如同任何麦克风有音调的性格，你的耳朵有太多。
Like any microphone has a tonal character, your ears have too.
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