We actually extract audio signals from video signals.

实际上我们从视频信号中提取了音频信号。

What this means is that it separates and localizes audio signals in videos.

这意味着它能分离和定位视频中的音频信号。

It uses audio signals to collect TV viewing data in order for advertisers to personally promote things to you online.

它使用音频信号来收集电视观看数据，以便广告商可以在线向你推广产品。

We can talk about the audio signal " degrading" over time.

我们可以谈论音频信号随着时间的推移而“退化”。

Reverb in a natural setting tends to fade as the audio signal decays.

自然环境中的混响会随着音频信号的衰减而减弱。

And there also are other methods to separate audio signals, but this particular one does not require any expertise, so I see a great value proposition there.

也有其他分离音频信号的方法，但这个方法不需要任何专业知识，所以我看到了一个伟大的价值主张。