Patent ID: 11962847
Assignee: MEDIATEK INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A high-definition multimedia interface (HDMI) device, comprising:
an HDMI interface, comprising a plurality of HDMI ports;
a controller coupled to the HDMI interface and configured to obtain a stream from a source device through a first HDMI port of HDMI ports, and comprising:
a channel hiatus corrector configured to obtain a linear feedback shift register (LFSR) value of channels of the first HDMI port based on scrambled data of the stream and a recovery code, wherein the recovery code is leading guard band data, trailing guard band data, or preamble data from the source device; and
a de-scrambler configured to de-scramble the stream according to the LFSR value of channels of the first HDMI port; and
a display device coupled to the controller, and configured to display video data according to the de-scrambled stream.