With the rise of the Internet and the digitization of audiovisual content, technologies that were originally developed for the two different forms of transmission for video and telecommunications are using digital signal convergence to enable families to enjoy the interactive pleasures of video-on-demand through set-top boxes. Looking at the world as a whole, the spread of digital content is an unmistakable trend.
由於網際網路的興起，影音內容的數位化，先前屬於視訊與電信兩種不同傳輸方式的技術，藉由數位訊號的整合，讓一般家庭得以經由機上盒的裝設，享受隨選視訊的互動樂趣。