Abstract
In the digital multimedia, the audio and video decoders usually use a global bus and a traffic controller to transfer data in order to reduce the hardware complexity. We developed an instantaneous sub-picture decoder architecture for the DVD system to reduce the data transfer traffic on the global bus. When two different FIFOs and a simple state machine controller is used in the sub-picture decoder, the registers in which the contents of commands are stored can be significantly reduced. For continuous display, an easy synchronization is used in the instantaneous sub-picture decoder by comparison with the sub-picture and the video presentation time (PTM).
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