数字音频播放器 meaning in English

digital audio player

As a crucial aspect of man - machine engineering , hci and human - machine interface ( hmi ) are used in many electronic products . some of these products are the operational interface of information products , such as mobile phone , pda , mp3 player etc . others of them are the interface of software including website interface
作为人机工程的重要方面,人机交互及人机界面出现在大量的产品中,一类是数字产品的使用操作界面,如移动电话、个人数字助理( pda ) 、数字音频播放器( mp3播放器)等;另一类是软件的使用操作界面,如通过浏览器访问的网站界面等。