Wireless communication system for transmitting high resolution multimedia data and method thereof

Abstract

A wireless communication system for transmission of high resolution multimedia data and methods thereof are provided. The transmission method includes: initializing an encoder module of a portable device; receiving first multimedia data from an application processor of the portable device through a multimedia interface; encoding the first multimedia data into second multimedia data, where the second multimedia data occupies less bandwidth than the first multimedia data; and transmitting the second multimedia data to the display device from a wireless communication module of the portable device.

1 . A transmission method of high resolution multimedia data, the transmission method comprising:
 initializing an encoder module of a portable device;   receiving first multimedia data from an application processor of the portable device through a multimedia interface;   encoding the first multimedia data into second multimedia data, wherein the second multimedia data occupies less bandwidth than the first multimedia data; and   transmitting the second multimedia data to the display device from a wireless communication module of the portable device.   
     
     
         2 . The transmission method according to  claim 1 , wherein in the step of initializing an encoder module of the portable device, the transmission method further comprises:
 initializing the encoder module through loading firmware of the encoder module from a first memory module directly coupled to the application processor, and running the firmware on an internal memory module inside the encoder module.   
     
     
         3 . The transmission method according to  claim 1 , wherein in the step of initializing an encoder module of the portable device, the transmission method further comprises:
 initializing the encoder module through loading firmware of the encoder module from a first memory module directly coupled to the encoder module, and running the firmware on a second memory module directly coupled to the encoder module.   
     
     
         4 . The transmission method according to  claim 1 , wherein before the step of transmitting the second multimedia data, the transmission method further comprises:
 forwarding the second multimedia data to the wireless communication module through the application processor, wherein the second multimedia data is forwarded to the wireless communication module through a data interface.   
     
     
         5 . The transmission method according to  claim 1 , wherein before the step of transmitting the second multimedia data, the transmission method further comprises:
 directly forwarding the second multimedia data to the wireless communication module through a data interface.   
     
     
         6 . The transmission method according to  claim 1 , wherein in the step of receiving the first multimedia data from the application processor through a multimedia interface, the transmission method further comprises:
 converting the first multimedia data to be in High-Definition Multimedia Interface (HDMI) format;   forwarding the converted HDMI data to a HDMI receiver of the portable device;   dividing the converted HDMI data into video data and audio data;   forwarding the video data and the audio data respectively to the encoder module respectively through a first sub-multimedia interface configured for delivering the video data and a second sub-multimedia interface configured for delivering the audio data.   
     
     
         7 . A wireless communication system for transmission of high resolution multimedia data to a display device, the wireless communication system comprising:
 an encoder module, configured for encoding first multimedia data to second multimedia data;   an application processor, coupled to the encoder module, configured for transmitting the first multimedia data to the encoder module; and   a wireless communication module, coupled to the encoder module, configured for transmitting the second multimedia data to the display device.   
     
     
         8 . The wireless communication system according to  claim 7 , wherein the encoder module is initialized by itself through loading firmware of the encoder module from a first memory module directly coupled to the encoder module, and further running the firmware on a second memory module directly coupled to the encoder module. 
     
     
         9 . The wireless communication system according to  claim 7 , wherein the encoder module is initialized by the application processor through loading firmware of the encoder module from a first memory module directly coupled to the application processor, and further running the firmware on an internal memory module inside the encoder module. 
     
     
         10 . The wireless communication system according to  claim 9 , wherein the internal memory module is a SRAM. 
     
     
         11 . The wireless communication system according to  claim 7 , wherein the second multimedia data is forwarded from the encoder module to the wireless communication module through the application processor by a first data interface. 
     
     
         12 . The wireless communication system according to  claim 7 , wherein the second multimedia data is directly forwarded from the encoder module to the wireless communication module by a second data interface. 
     
     
         13 . The wireless communication system according to  claim 7 , wherein the first multimedia data are forwarded from the application processor to the encoder module through a multimedia interface; the multimedia interface is implemented by a first sub-multimedia interface and a second sub-multimedia interface; and the first sub-multimedia interface is a RGB interface adapted for delivering the video data, and the second sub-multimedia interface is an I 2 S interface adapted for delivering the audio data. 
     
     
         14 . The wireless communication system according to  claim 11 , wherein the first data interface adapts any one of the interfaces of: Secure Digital Input Output (SDIO) and Universal Serial Bus (USB). 
     
     
         15 . The wireless communication system according to  claim 12 , wherein the second data interface adapts any one of the interfaces of: Secure Digital Input Output (SDIO) and Universal Serial Bus (USB). 
     
     
         16 . The wireless communication system according to  claim 13 , wherein the multimedia interface comprises:
 a first sub-multimedia interface, coupled to the application processor, wherein the application processor converts the first multimedia data by the application processor to be in High-Definition Multimedia Interface (HDMI) format, and forwards the converted HDMI data to a HDMI receiver through the first sub-multimedia interface;   a HDMI receiver, coupled to the first sub-multimedia interface, configured for dividing the converted HDMI data into video data and audio data;   a second sub-multimedia interface, coupled to the HDMI receiver, configured for delivering the video data; and   a third sub-multimedia interface, coupled to the HDMI receiver, configured for delivering the audio data, wherein the HDMI receiver forwards the video data and the audio data respectively to the encoder module through the first sub-multimedia interface and the second sub-multimedia interface.   
     
     
         17 . The wireless communication system according to  claim 16 , wherein the first sub-multimedia interface is a RGB interface configured for delivering the video data, and the second sub-multimedia interface is an Integrated Interchip Sound (I 2 S) interface configured for delivering the audio data. 
     
     
         18 . A receiving method of high resolution multimedia data, the receiving method comprising:
 receiving first multimedia data from a wireless communication module through a data interface;   decoding the first multimedia data to intermediate multimedia data;   converting the intermediate multimedia data to second multimedia data through a multimedia interface; and   outputting the second multimedia data to a display device.   
     
     
         19 . The receiving method according to  claim 18 , wherein in the step of decoding the first multimedia data to intermediate multimedia data, the receiving method further comprises:
 converting the video data in the first multimedia data to be compatible with a first sub-multimedia interface;   converting the audio data in the first multimedia data to be compatible with a second sub-multimedia interface; and   forwarding the converted audio data and the converted video data to a High-Definition Multimedia Interface (HDMI) transmitter respectively through the first sub-multimedia interface and the second sub-multimedia interface; and   converting the converted audio data and the converted video data to the second multimedia data.   
     
     
         20 . A wireless communication system for transmission of high resolution multimedia data to a display device, the wireless communication system comprising:
 a decoder module, configured for decoding first multimedia data to intermediate multimedia data, and transmitting the intermediate multimedia data to a multimedia interface, wherein the multimedia interface converts the intermediate multimedia data to second multimedia data to the display device; and   a wireless communication module, coupled to the decoder module, configured for transmitting the first multimedia data to the decoder module through a data interface.   
     
     
         21 . The wireless communication system according to  claim 20 , wherein the multimedia interface comprises:
 a first sub-multimedia interface, coupled to the decoder module, configured for delivering video data of the intermediate multimedia data, wherein the decoder converts the video data of the intermediate multimedia data to be compatible with the first sub-multimedia interface;   a second sub-multimedia interface, coupled to the decoder module, adapted for delivering audio data of the intermediate multimedia data, wherein the decoder converts the audio data of the intermediate multimedia data to be compatible with the second sub-multimedia interface; and   a HDMI transmitter, coupled to the first sub-multimedia interface and the second sub-multimedia interface, configured for converting the audio data and video data of the intermediate multimedia data to the second multimedia data, and transmitting the second multimedia data to the display device through a third sub-multimedia interface.   
     
     
         22 . The wireless communication system according to  claim 21 , wherein the first sub-multimedia interface is a RGB interface, the second sub-multimedia interface is an Integrated Interchip Sound (I 2 S) interface, and the third sub-multimedia interface is a High-Definition Multimedia Interface (HDMI) interface. 
     
     
         23 . The wireless communication system according to  claim 21 , wherein the second sub-multimedia interface is an Integrated Interchip Sound (I 2 S) interface and the data interface adapts any one of the interfaces of: Secure Digital Input Output (SDIO) and Universal Serial Bus (USB).