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。

To really make this pop out, we need to view the data in a totally different way: a spectrogram.

要想真正做到这一点，我们需要以一种完全不同的方式查看数据：频谱图。

Apple Watch will get a smart stack that uses machine learning to show relevant widgets, from medication logs and calendars to viewing sleep data.

Apple Watch将获得一个智能堆栈，使用机器学习来显示从就医日志和日历到查看睡眠数据等相关的小工具。