It can analyse video and audio recordings in order to recognise gestures of both posture (moving the head in particular ways, for example) and voice (such as changes in pitch).

这套系统可以对视频和声频记录进行分析以识别人类的姿体语言(比如以特定的方式我摇头)和语音语调(比如音调的高低变化)。

youdao

It is able to analyse video and audio recordings in order to recognise gestures of both posture (moving the head in particular ways, for example) and voice (such as changes in pitch).

这套系统可以分析采集的视频和音频资料，进而分辨出不同的姿态(例如头部特定的活动)和声音(例如语调的变化)。

youdao

The way to improve your speaking is to practice. You could do some "shadowing". This involves copying native speakers who are speaking on audio or video recordings.

最好的的提高你口语的方法就是多加练习啊。你或许做些“遮掩”。这也包括模仿那些通过录音或者录像说话的本地人。

youdao

MI5, Britain's domestic-intelligence agency, had video and audio recordings from bugs in the gang's safe house in Walthamstow, east London.

ECONOMIST: Fighting terrorism