A new high-speed interface is about to appear in the world of audio-visual (AV) equipment: Digital Interactive Interface for Video & Audio (DiiVA), for which specifications were finalized at the end of April 2009. DiiVA combines speed surpassing High-Definition Multimedia Interface (HDMI) with the network functionality of Ethernet.
It has been referred to as the “Chinese HDMI” because of support announced by Chinese government agencies, industry groups, etc. Already major AV equipment manufacturers in not only China, but also Japan and Korea, have announced support for the new standard. It may well develop into a serious competitor for HDMI, currently the leading interface in AV applications.
HDMI is used in a diverse range of AV equipment, including televisions, Blu-ray Disc recorders and camcorders. In home decks, HDMI is pretty well established as the interface of choice, and surveys indicate that all digital TVs shipped in 2009 will have HDMI.
The new AV interface standard DiiVA, will unquestionably affect the adoption of HDMI as it was developed with the support of the Ministry of Industry & Information Technology (MIIT) of China, the industry body China Video Industry Association (CVIA), and others.
In terms of functionality, DiiVA surpasses HDMI. It is also faster, with a peak data transfer rate of 13.5Gbps against HDMI’s 10.2Gbps. It can transfer uncompressed high-definition (HD) video in the same way as HDMI, and also has network functions to allow it to share the content with multiple other devices. It can even transfer Ethernet data.
In addition, it has advantages when it comes to component cost. Usage royalties may end up lower than HDMI, and cables are inexpensive Category 6. These characteristics have led many people in the industry to believe that DiiVA may develop into a serious competitor for HDMI.