Sets how much the engine has an effect on the audio source.

设置多少，引擎在音频源上有效果。

youdao

That's so you can connect an iPod, CD player or some other directly connected audio source.

这样你就可以使用iPod CD播放器或者其他可以直接连接的音频源了。

youdao

Attach them to an audio source, put them on or in your ears, and you'll hear sound via your eardrums.

将耳机的一端与音频源连接，另一端放在或塞进耳朵，然后你就能通过耳鼓听到音乐声了。

youdao

It goes without saying that your results may vary depending on the environment and your audio source.

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It's being aimed at iPod owners but will work with any audio source with a compatible headphone jack--including PCs or laptops.

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Apple's Lightning adapter will also let last year's docks remain relevant, while standard 3.5mm inputs ensure compatibility with nearly any audio source.

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