Because of taking digital technical in video and audio compressing and coding ; dtv take on a new look . it not only provide high definition video and high quality . . audio , but also provide muti - service . which made the user got the satisfied audio - visual feeling and satisfied service . dtv could make full usev of the present broadcast network . telecom network and computer network 数字电视被称为继黑白电视和彩色电视之后的第三代电视，由于它采用数字压缩编码技术处理视频、音频信号，使得电视广播以崭新的面貌出现，不仅提高了视频、音频的质量，而且提供了业务上的灵活性和多样性。
Teco started manufacturing b w tv , cabinet window air - conditioners from 1971 . being devoted in household appliance industrial , teco has not only the complete product lines , but also the enhamcing manufacturing and sales network . video plant , electrical plant , indonesia plant , home appliance department and overseas home appliance department have all contributed to make teco the leading brand of household electrical appliance in domestic market 东元自1971年即开始生产黑白电视箱型窗型冷气机，跨足家电事业以来，不仅产品线完整，更不断的扩大产销体系，包括视讯厂电化厂印尼厂家电营业处与海外家电处，成为国内家电业的领导品牌。
The digital tv ( dtv ) is the third generation of products following black - and - white tv and color tv , it is a result which collects the integrated application of high technology , such as digital technology , micro - electronics technique , network technology , software technology , etc . middleware technology is one of the key technology in the software technology and can make numerous software providers develop digital tv interactive applications in case of not considering the hardware environment 数字电视( dtv )是继黑白电视和彩色电视之后的第三代产品，是集数字技术、微电子技术、网络技术、软件技术等高新技术综合应用的产物。其中中间件技术是软件技术中的关键技术之一，该技术可以使众多的软件提供商在不考虑硬件环境的情况下开发数字电视的交互式应用。
Teco started manufacturing bw tv , cabinet window air - conditioners from 1971 . being devoted in household appliance industrial , teco has not only the complete product lines , but also the enhamcing manufacturing and sales network . video plant , electrical plant , indonesia plant , home appliance department and overseas home appliance department have all contributed to make teco the leading brand of household electrical appliance in domestic market 东元自1971年即开始生产黑白电视、箱型窗型冷气机，跨足家电事业以来，不仅产品线完整，更不断的扩大产销体系，包括视讯厂、电化厂、印尼厂、家电营业处与海外家电处，成为国内家电业的领导品牌。
