Method, apparatus and system for generating and facilitating mobile high-definition multimedia interface

• US 8,090,030 B2
• Filed: 01/04/2008
• Issued: 01/03/2012
• Est. Priority Date: 01/04/2008
• Status: Active Grant

• Current Assignee: Lattice Semiconductor Corporation
• Original Assignee: Silicon Image, Inc. (Lattice Semiconductor Corporation)
• Inventors: Kim, Gyudong, Sung, Baegin, Choi, Hoon
• Primary Examiner(s): Duong, Frank
• Application Number:
  US11/969,847
• Publication Number:
  US 20090178097A1
• Time in Patent Office: 1,460 Days
• Field of Search: 375/240, 375/240.01, 375/240.16, 375/240.28, 370328-339, 370/466, 370532-541, 348/14.01, 348/14.02
• US Class Current: 375/240.28
• CPC Class Codes: G06F 13/4072 Drivers or receivers G06F13/4086 takes precedence; for multistate logic circuits H03K19/0002
• CPC Class Codes: G06F 3/14 Digital output to display device ; Cooperation and interconnection of the display device with other functional units
• CPC Class Codes: G09G 2370/045 using multiple communication channels, e.g. parallel and serial
• CPC Class Codes: G09G 2370/047 using display data channel standard [DDC] communication
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: H04L 65/765 intermediate

Abstract

A method, apparatus and system are provided for generating and facilitating Mobile High-Definition Multimedia Interface. In one embodiment, an apparatus includes a transmitter configured to merge multiple channels of a high-definition interface into a single channel to generate a mobile high-definition interface, the mobile high-definition interface configured to facilitate carrying of high-definition media content in a mobile device. The apparatus further includes a receiver coupled with the transmitter, the receiver configured to receive the single channel, and to unmerge the single channel into the multiple channels.

Claims

1. An apparatus comprising:

a transmitter configured to merge multiple channels of a high-definition interface into a single channel to generate a mobile high-definition interface, the mobile high-definition interface configured to facilitate carrying of high-definition media content in a mobile device; and

a receiver coupled with the transmitter, the receiver configured to receive the single channel, and to unmerge the single channel into the multiple channels, wherein the receiver includes a decoder configured to perform separate decoding of each of the multiple channels, if the de-multiplexing of the single channel is performed prior to the decoding of the multiple channels.

2. The apparatus of claim 1, wherein the mobile high-definition interface includes a single control bus representing a Display Data Channel (DDC) bus and a Consumer Electronics Control (CEC) bus.

3. The apparatus of claim 2, wherein the mobile high-definition interface further includes a Universal Serial Bus (USB) channel capable of carrying USB data.

4. The apparatus of claim 1, wherein the multiple channels are configured to carry audio data, video data, and/or auxiliary data either together or separately, wherein the video data is carried by each of the channels, Horizontal Synchronization (HSYNC) and/or Vertical Synchronization (VSYNC) data is carried by one of the channels, the audio data is carried by multiple channels of the channels, and control packets are carried by multiple channels of the channels over.

5. The apparatus of claim 1, wherein the single channel is configured to carry the audio data, the video data, and the auxiliary data.

6. The apparatus of claim 1, wherein the merging of the multiple channels into the single channel includes multiplexing the multiple channels into the single channel via a multiplexer at the transmitter.

7. The apparatus of claim 1, wherein the unmerging of the single channel into the multiple channels includes de-multiplexing the single channel into the multiple channels via a de-multiplexer at the receiver.

8. The apparatus of claim 1, wherein the decoder configured to perform decoding of the single channel, if the de-multiplexing of the single channels is performed after the decoding of the single channel.

9. A system comprising:

a transmitter configured to receive a high-definition interface package having multiple channels of a high-definition interface, the transmitter including a multiplexer configured to multiplex the multiple channels into a single channel to generate a mobile high-definition interface, the mobile high-definition interface configured to facilitate carrying of high-definition media content in a mobile device; and

a receiver coupled with the transmitter, the receiver configured to receive the single channel, the receiver including a de-multiplexer configured to de-multiplex the single channel into the multiple channels, wherein the receiver includes a decoder configured to perform separate decoding of each of the multiple channels, if the de-multiplexing of the single channel is performed prior to the decoding of the multiple channels.

10. The system of claim 9, wherein the decoder configured to perform decoding of the single channel, if the de-multiplexing of the single channels is performed after the decoding of the single channel.

11. The system of claim 9, wherein the mobile high-definition interface includes a single control bus representing a Display Data Channel (DDC) bus and a Consumer Electronics Control (CEC) bus.

12. The system of claim 9, wherein the multiple channels are configured to carry audio data, video data, and/or auxiliary data either together or separately, wherein the video data is carried by each of the channels, Horizontal Synchronization (HSYNC) and/or Vertical Synchronization (VSYNC) data is carried by one of the channels, the audio data is carried by multiple channels of the channels, and control packets are carried by multiple channels of the channels.

13. A network comprising:

a first network device having a first network interface configured to host a high-definition interface, the high-definition interface having multiple data channels, the multiple data channels having configured to carry audio data, video data, and/or auxiliary data; and

a second network device having a second network interface configured to host a mobile high-definition interface, wherein the mobile high-definition interface including a single data channel having the multiple data channels, the single data channel configured to carry the audio data, the video data, and the auxiliary data, wherein the single data channel is received by a receiver, the receiver including a de-multiplexer configured to de-multiplex the single data channel into the multiple data channels, wherein the receiver includes a decoder configured to perform separate decoding of each of the multiple channels, if the de-multiplexing of the single data channel is performed prior to the decoding of the multiple data channels.

14. The network of claim 13, wherein the decoder is configured to perform decoding of the single channel, if the de-multiplexing of the single channels is performed after the decoding of the single channel.

15. The network of claim 13, wherein the second network device comprises a mobile device including one or more of a mobile telephone, a handheld computer device, and a mobile audio/video device.

16. The network of claim 13, wherein the multiple data channels are multiplexed into the single data channel via a multiplexer.

17. The network of claim 16, wherein the single data channel is de-multiplexed into the multiple data channels via a de-multiplexer.

18. The network of claim 13, wherein the first network device is coupled to the second network device via a docking station, if the first network device is not compatible with the mobile high-definition interface.

19. The network of claim 18, wherein the first network device is coupled to the second network device without the docking station, if the first network device is compatible with the mobile high-definition interface.

20. A computer-implemented method comprising:

merging, via a transmitter, multiple channels of a high-definition interface into a single channel to generate a mobile high-definition interface, the mobile high-definition interface configured to facilitate carrying of high-definition media content in a mobile device; and

receiving, via a receiver coupled with the transmitter, the single channel, and unmerging the single channel into the multiple channels, wherein the receiver includes a decoder configured to perform separate decoding of each of the multiple channels, if the de-multiplexing of the single channel is performed prior to the decoding of the multiple channels.

21. The computer-implemented method of claim 20, wherein the decoder is configured to perform decoding of the single channel, if the de-multiplexing of the single channels is performed after the decoding of the single channel.

22. The computer-implemented method of claim 20, wherein the mobile high-definition interface includes a single control bus representing a Display Data Channel (DDC) bus and a Consumer Electronics Control (CEC) bus.

23. The computer-implemented method of claim 20, wherein the multiple channels are configured to carry audio data, video data, and/or auxiliary data either together or separately, wherein the video data is carried by each of the channels, Horizontal Synchronization (HSYNC) and/or Vertical Synchronization (VSYNC) data is carried by one of the channels, the audio data is carried by multiple channels of the channels, and control packets are carried by multiple channels of the channels over.

24. The computer-implemented method of claim 20, further comprising performing separate decoding of each of the multiple channels, if the de-multiplexing of the single channel is performed prior to the decoding of the multiple channels.

25. The computer-implemented method of claim 24, further comprising performing decoding of the single channel, if the de-multiplexing of the single channels is performed after the decoding of the single channel.