In communications, a method of transmitting information, stored on a computer, to domestic television sets. In broadcast services the data signals are transmitted in conjunction with normal TV programs.

• 在通信技术中，一种信息传输方法，它把存储在计算机中的信息发送到家用电视机。在广播服务中，数据信号与正常的电视节目一起播送。