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一、综述随着音视频产品和格式的发展,特别是HDTV产品日益被普通消费者所接受,高清格式节目所带来的大量数据的传输压力、更多的高保真声道导致的布线混乱, 以及日益重要的高清音视频节目版权保护,都向技术发展提出了新的需求。目前,主流数字家电的接口规范只能传输压缩或未压缩数字视频信号,音频信号需要单独的接口进行连接,这在使用过程中给普通消费者带来了诸多不便。
I. Overview With the development of audio and video products and formats, especially HDTV products, which are increasingly accepted by ordinary consumers, the transmission pressure of large amounts of data caused by high-definition format programs and the chaos caused by more high-fidelity audio channels, As well as the increasingly important copyright protection of high-definition audio and video programs, all set new demands for technological development. Currently, the mainstream digital appliance interface specification can only transmit compressed or uncompressed digital video signals, audio signals require a separate interface to connect, which in the course of the ordinary consumers to bring a lot of inconvenience.