TWI227019B - Multi-function disc player providing download data and playback - Google Patents

Abstract

A multi-function disc player providing download data and playback is provided. A USB controller is added for connecting with a computer to download digital AV data, store the digital AV data into the embedded flash memory or the smart media card that is plugged in a smart media interface for playback. The multi-function disc player could be a photo-printer while a digital camera and a printer are connected with the USB controller simultaneously. Moreover, an AV data decode unit is added to transfer the digital AV data into another format that is selected by a user and store the digital AV data into a smart media card, a portable storage with USB interface or the embedded flash memory.

Description

1227019

The present invention relates to a video player, and more particularly to a multifunctional video player that downloads and plays digital video data on the Internet. t cover technology Seed support With the development of the Internet = 3, WMA and MPEG4 format digital video files for users to play. Because these files use high-performance compression technology, they have a smaller capacity, but they can usually only be played on a computer or downloaded to a player such as an iwnf player or a dedicated player. Although today's video players (WVCI) and DVD players also support the playback of digital music files in Mp3, 〇Α format, they must be downloaded to a computer and burned to a disc before they can be played in the 1 = video player. This is really wasteful and time-consuming and inconvenient for some Mp3 and music files that you only want to use briefly. Makes the Internet provide many such as

= As shown in Figure 1, it is a conventional recordable video player circuit, and is not intended. The figure shows that the conventional recordable video disc player 100 includes a removable disc drive 105, a hard disk drive 110, a CSS / CPPM encryption and decoding unit 115, an MPEG4 / 2 / l video and audio data decoding unit 12 and a flash drive. Memory 121, first synchronous dynamic memory 123, first multiplexer 125, second multiplexer 130, NTSC / PAL video digital analog converter 135, audio digital analog converter 140, audio and video data playback engine 145 MPEG2 / 1 video and audio data coding unit 150, second synchronous dynamic memory 151, NTSC / pAL video f ratio digital converter 1 55, audio analog digital converter 丨 60, FPGA control benefits 165, LCD display panel 170, Infrared receiver 175 and keyboard 180. When playing a movie, you can place a disc containing audiovisual programs on the light

l〇450TW.ptd Page 5 1227019 V. Description of the invention (2) In the disc drive 105 'to read the video and audio data to be played. The video and audio data will be decrypted and decoded into digital video data through the operation of the flash memory 121 and the first synchronous dynamic memory 123 through the CSS / CPPM encryption and decoding unit 115 and the MPEG4 / 2/1 video and audio data decoding unit 120. And digital audio data 'decoded digital video data and digital audio data & enter NTSC / pAL video digital analog converter 135, audio digital analog converter through the selection of the eve multiplexer 125 and the second multiplexer 130, respectively 14 (), NTSC / pAL video digital analog converter 135, audio digital analog converter 14 and convert the incoming digital video data and digital audio data into analog signals via the video output terminal, video s output terminal or Y / CB The / CR terminal, the left channel output terminal, and the right channel output terminal are output. Among them, digital audio data can also be directly output through the S / PDIF output terminal without conversion. Similarly, during the recording of audiovisual data, analog signals provided by external audiovisual equipment can be input through the video input terminal or video input terminal and the left channel input = terminal ^, right channel input terminal, and then through NTSC / pu video and audio respectively The analog digital converter 160 converts to digital 栌 n. The oblique coding is as early as 7015. In combination with the second synchronous dynamic memory, the unencoded digital video data and digital audio data are passed through the first multiplexer 125 and the second multiplexer 13 respectively. The frequency signal or Y / cB / CR = if 1 signal is played out through the video output terminal and video output s. Channel output terminal, right channel output terminal input 10450TWF.ptd Page 6 1227019 V. Description of the invention (3) '----- Among them, the MPEG2 / 1 video and audio data encoding unit 15 coded digital video data and digital The audio data is controlled by the audio and video data playback engine 145, and stored in the optical disc drive 105 or hard disk drive 11 to achieve the purpose of recording video. The operation of the conventional recordable video player 丨 〇〇 can be controlled by the user in cooperation with an FPGA controller 165, a liquid crystal display panel 170, an infrared receiver 175, and a keyboard 180. = I know that if today's video players do not only have the playback function, but cannot record ^ loved audio and video programs, they can record the audio and video programs that are played by analog audio and video input via the "terminal" or "S" terminal as ¥ (： 1) or 1 ^ 1) CD-ROM, but it ca n’t be transcribed into the video and audio formats of online media such as 3, WMA, and MPEG4. And it is impossible to directly record and save the slots of MP3, WMA, and MPEG4 formats and save them. For example, it is a smart media card or a portable storage device with a universal serial bus (universai seriai bus, USB for short) interface. In view of this, the present invention provides a support download Multi-function video

Disc player ’, which can be connected to a computer to directly record downloaded MP3, WM, JpEG, and MPEG4 files, and can directly play downloaded Mp3,

WjA ~, JPEG, MPEG4 and other digital video files, or transcribed video $ program into a file of the selected format, and stored in smart media " face card, portable with universal serial bus interface Storage or built-in flash memory. In addition, it can directly connect with digital cameras or digital cameras and printers to achieve dynamic display and recording or static printing.

10450TWF.ptd Page 7 1227019 V. Description of the invention (4) In order to achieve the above and other multi-functional disc players, this disc drive and bus driver are used to read and place audiovisual data. The bus controls the brain, and controls the computer and the bus controller, which is used to decode the data output according to the user's digital video and audio data, or to transcribe and store and play through the data or the internal intelligent media media. 0 Purpose The present invention supports a first communication between the download and playback controller and the controller controlled by the optical disc drive. The control has the option of connecting to the external, controlling and converting to an external flow controller, its transcription storage surface, and an external disc that provides a multi-function hub, a single disc port, a central single output device, and a computer output body. The DVD player that supports download and playback with serial types includes: Yuan. Among them, the first digit in the optical disc is used to connect an electrical element to connect the audio and video output media driver of the optical disc drive to read the first acceptable audio and video load. The second digital audio and video internal flash memory bus flash memory. In the preferred embodiment of the present invention, the dense decoding unit, the audio and video data playback material decoding unit, and the programmable control unit decode the first digital audio and video data to a second digital audio and video data playback unit and audio and video data playback engine, and the second digital The audio and video data is optionally connected to a first multiplexing circuit, which is used for coupling the first decoded digital audio data and the digital unit to the audio and video data playback engine to play the audio and video data. ′ Its control center unit further includes: an engine, a first multiplex circuit, and audio and video resources. Among them, the encryption and decoding unit is used for encryption. The video data playback engine is used to control. The first multiplexing circuit is coupled to an output of the first digital video and audio data for self-decryption. The audio and video data decoding unit is coupled to the audio and video data selected by a multiplexer circuit, and the video data is output. And programmable control ’is used to provide user choice and control

1227019 V. Description of the invention (5) In one embodiment, the programmable control unit includes a programmable controller, a keyboard, an infrared receiver, and a liquid crystal display panel. Among them, programmable control !? The device is used to perform user selection and control. The keyboard is coupled to a programmable controller, and the device is used to provide the user with input selection and control commands. The infrared receiver is connected to a programmable controller to provide users with remote control input selection and control commands. The LCD panel is coupled to a programmable controller to display the status of selection and control. In one embodiment, the encryption / decoding unit performs CSS / CPPM decryption on the first digital video and audio data to play back DVD-Video / DVD_Audio video and audio data. The video and audio data decoding unit can support the decoding of MPEG4, MPEG2, MPEG1 (including MP3), WMA, and JPEG formats. The digital audio data after the audio and video data is decoded is PCM audio, and the digital video data is ITU-656 video. In one embodiment, the optical disc drive can support DVD, VCD, SVCD, CD, CDR, DVD-R and other audio and video data reading. The bus controller is a universal serial bus controller such as the Philips ISP1 362 using On-The-Go technology to control the chip, so that the DVD player bus can be used as both a host and a peripheral.

In one embodiment, the control center unit further includes a video data encoding unit for re-encoding the decoded first digital video data into a format selected by the user to output a re-encoded third digital video data. Among them, the audio and video data encoding unit can support the encoding of MPEG4, MPEG2, MPEG1 (including MP3), WMA, and JPEG. This is digital composite video and audio data.

10450TWF.ptd Page 9 1227019

And Leli: In the embodiment, the 'control frame unit' further includes an audio / video input interface and an external material coding unit. The audio and video input interface is used to receive input audio and video data from one of the two devices, and convert the input audio and video data to J Γ audio data and a digital video data. The audio and video data encoding I is used to convert the above digital audio data and digital video data into a format selected by the user to output a fourth digital audio and video data. _, Shirt audio data encoding unit can support the selection of MPEG4, MPEG2, (3 MP3), WMA and JPEG and other formats of encoding, this is an analog video input duplication. In a practical example, the control center unit further includes a built-in flash memory for storing the first, third, and fourth digital audiovisual data. In an embodiment, the control center unit further includes a smart media interface for inserting a smart media interface card to store the second or fourth digital audiovisual data. In one embodiment, the bus controller has a second port. The audio and video input interface includes a video analog / digital converter and an audio analog / digital converter, and can provide an image input terminal, an image input S terminal, a left channel input terminal, a right channel input terminal, and an S / PDIF input terminal. The audio and video output interface includes video digital / analog converter and audio digital / analog converter, and can provide a video sub, a video output S terminal, a Y / CB / CR terminal, a left channel output terminal, a right sound Channel output terminal and an S / PDIF wheel output terminal. From the above description, it can be known that the application of one of the present inventions for downloading and playing a multifunctional movie "can be directly connected to a computer and recorded.

1227019 V. Description of the invention (7) MP3, WMA, JPEG and £ (? 4 and other files), and can be downloaded to the computer's MP3, WMA, JPEG and MPEG4 and other digital stand-alone files. Can also be The audio and video programs being played are transcribed into the selected format and stored in a smart media interface card, a portable storage device with a universal serial bus interface, or built-in flash memory. The first port and the second port of the bus controller can be directly connected to a digital camera or a digital camera and a computer to achieve the functions of dynamic display and recording or static printing. J Let the above of the present invention And other purposes, features, and advantages can be more clearly understood. The following is a detailed description of the preferred embodiment in conjunction with the attached drawings, as follows: Stomach 1 Embodiment

I, please refer to Figure 2, which shows a conventional video player playback mode is not intended. As mentioned before, many digital video files provided on the Internet 2 50 such as MP3, WMA, and MPEG4 formats; must be connected to the Internet 250 using a computer 240 to download, and then burn to a disc The film 26o can then be placed in the disc player 21o and played on the TV 220 and the stereo 230. This is really wasteful and time-consuming and inconvenient for some MP3 and WMA music files that you only want to use briefly. Please refer to FIG. 3, which is a schematic diagram showing a playback mode of a multi-function video player supporting download and playback according to a preferred embodiment of the present invention. The picture shows that this multi-function video player 31, which supports download and playback, does not need to be burned to the disc, instead it is when the computer 34 is connected to the Internet 35 and the download is in formats such as MP3, WMA and MPEG4. For digital audio and video files, 10450TWF.ptd Page 11 1227019 V. Description of the invention (8) Use a universal serial bus connection cable 360 to connect to computer 340 to transcribe the downloaded digital audio and video files here. Multi-function that supports download and playback Video player 3 1 0's built-in cache memory (not shown), or a smart media card inserted in this multi-function video player 310 that supports download and playback, or has a universal serial port Portable storage devices such as the bus interface are played through the TV 320 and the audio 330. Please refer to FIG. 4, which is a block diagram showing a circuit of a multi-function video player supporting download and playback according to a preferred embodiment of the present invention. The figure shows that the multi-function disc player 400 supporting download and playback includes: a disc drive 410, a bus controller 420, and a control center unit "ο. Among them, the disc drive 410 is used to read and place on the disc drive 41 The first digital video and audio data in the optical disc. The bus controller has a first port for connecting a computer (not shown) and controlling communication with the computer. The control center unit 430 is coupled to the optical disc drive 41 〇 and the bus controller 420, and _ has a video output interface 4 3 〇 external output devices (such as TV and audio) connected to control the emperor through the optical disc according to the user's choice X Drive 410 reads #the first digital video and audio data described above, decodes and converts it into audio and video data acceptable to external output devices, or: downloads the second digital video file from the computer by the bus controller 420 for transcription Storage and playback. Frequency digital analog conversion 11451 and audio digital analog conversion: 453 of the audio output interface, 45 o, control center unit 4 擎 code / 432 m road 435, audio and video data broadcast Amplifier 37, with audio and video data decoder 441, flash memory, and 10450TWF.ptd page 12 1227019 A video and audio data decoding unit 44 with synchronous dynamic memory 445, with programmable controller 465, LCD display panel 467. Programmable control unit 460 for infrared receiver and keyboard 463, video data encoding unit 47 with video data encoder and second synchronous dynamic memory 471, video analog digital converter 481 and audio analog digital converter 483 Scenery ^ audio input interface 480, built-in flash memory 485, second multiplex circuit 4 90 with multiplexers 491 and 493, and smart media interface 495. Among them, different options can be selected according to different functional requirements Circuit combination, the following circuit block diagram of Jiang Yanzhe 4 to solve different functions.

s This multi-function DVD player for downloading and playing. To play a disc program, first place the disc in the disc drive 41 and operate to read the first digital video data in the disc. Among them, the disc The drive can read, for example, DVD, VCD, SVCD, CD, CDR, and DVD-R. The encryption and decoding unit 432 may then perform CSS decryption for the video portion of the first digital audiovisual material of the DVD, and perform 'CPPM decryption for the audio portion. When the first multiplexing circuit 435 plays the optical disc program, it will choose to output the decoded first digital video data, and the video data decoder 资料 will cooperate with the flash memory 443 of the stored program to synchronize with the first buffer as the first buffer. The dynamic memory 445 operates to decode the first digital video and audio data into digital audio data of PCM audio and digital video data of IT-656 video. The digital video data of ITU-656 video and the digital audio data of PCM audio are then converted to analog signals by video digital analog converter 451 and audio digital analog converter 453 respectively through the video output terminal, video output s terminal or Y / CB / CR Terminal, left channel output terminal and right channel output terminal

1227019 V. Description of the invention (10) Output, digital audio data of PCM audio can also be directly output through S / PDIF output terminal. Among them, the audio and video data decoder 44 1 can support decoding methods including MPEG4, MPEG2, MPEG1 (including MP3), WMA, and JPEG. When downloading second digital video-audio data in formats such as MP3, WMA, and MPEG4, you can connect to the computer through the first port (or second port) of the bus controller 420 and save the data The built-in flash memory 485 may be inserted into a smart media interface card (not shown), which is one of the smart media interface 495. The playback of the second digital video data is controlled by the video data playback engine 4 37. The playback path is similarly selected by the first multiplexer circuit 435, which is the same as the above description. Among them, the 'bus controller 420 is preferably a universal serial bus controller using Philips ISP1 3 62 control chip of On-The-Go technology. The characteristics of this universal serial bus controller can make it The connected external device is used as the host, and the connected external device may be used as an accessory. Therefore, the computer is the host when it is connected to the computer. When it is connected to a digital camera, a digital video camera, a printer, etc., the digital camera, a digital video camera, or a printer is an accessory device. At this time, the dynamic playback and recording of Machida Cheng's functions are built in the built-in flash memory 485 or inserted into one of the smart media interface cards 495, a smart media interface card (not shown), which can support external serialization. The functions of the bus flash memory and the function of the printer can be achieved by printing the static pictures through the printer. At the same time of playing the disc program, you can also use the audio and video data editor to cooperate with the second synchronous dynamic memory 471 as the buffer memory.

1227019

Cry 2 η Transcribed in the built-in flash memory 4 8 5 or portable storage with universal serial bus interface inserted in the connection port of the bus control ^ (shown), or inserted It is placed in a smart "face card (not shown)", one of the smart media interfaces 495. The transcription format is, for example, different formats such as MPEG4, MPEG1 (including MP3), WMA, and JPEG, which can be selected by the user. At this time, the audiovisual data encoding unit 470 selects the decoded first digital audiovisual data through the diplexers 491 and 493, and re-encodes the second digital audio data into the format selected by the user to become the third digital audiovisual data output. Then choose to store it in the built-in flash memory 485, or a portable storage device (not shown) with a universal serial bus interface inserted in the port of the ^ bus controller 420, or inserted in One of the smart media interfaces 4 9 5 is a smart media interface card (not shown). Among them, the compression rate of MPEG4 is about 10 times that of MPEG2, while MP3 is an audio compression standard with a compression ratio of 1 ·· 10 to 1:20, and a bit rate of 112Kbps to 128Kbps. Different compression standards will result in different video definitions. The most advanced DVD recording standard can have up to 500 images (MPEG2), and the advanced standard DVD-level recording standard can have up to 320 images. (Between 仏? £ 62 and £? £ 61), an ordinary 1 ^ 0-level recording standard, its images can reach 250 (M PE G1). Therefore, the file size after compression and encoding will vary with different standards, such as a 5G bit capacity DVD disc (MPEG2 standard), which is re-encoded and compressed with MPEG4, and maintains the same resolution and AC3 audio track. Can be compressed to 650M bit capacity. Generally, the compression ratio of MPEG2 is 10 to 30 times, the bit rate after encoding is 3Mbps to 5Mbps, and the compression ratio of MPEG4 is 200 to 1,000 times.

10450TWF.ptd Page 15 1227019

The subsequent bit rate is 5Kbps to 2Mbps, so you can adjust the bit rate according to different display requirements. The lower the bit rate, the smaller the storage capacity, but the lower the resolution. For example, if you want to play DVD movies on a portable player, because its LCD screen resolution is only 320 × 24 (), and its memory capacity is not — large, you can choose MPEG4 video efficient compression encoding and MP3 audio · South effect Compression coding 'to transcribe a movie into a low-capacity movie, and its playback clarity is still acceptable. The audio and video data encoding unit 4 70 is composed of peripheral circuits of the system, such as a video 32-bit RISC processor, an audio DSP processor, and a second synchronous dynamic memory 471. The video part can support real-time MPEG4 / MPEG2 / MPEG1 standard spring video coding: -IS0 / IEC 13818-2, MP @ ML & SP @ ML -ISO / IEC 14496-2, MPEG4 SOP @ LEVEL3 -525/60 (NTSC ) To 720x480 @ 30fps (720-Dl, 704-D1, 64 0-VGA, 544, 480-2 / 3D1, 352-1 / 201) 乂 4 80 or 35 2 乂 2 40 ((: 1 ：) or 17 6 乂 112 ((3 (: 1?) -625/50 (PAL) S720x576 @ 25fps (720-Dl, 704-Dl, 640-VGA, 544,48 0-2 / 3〇1,35 2-1 / 21) 1) Yi 576 or 3 52 and 288 ((: 18 / (: 1?) Or 176X144CQCIF) -FILM: (720-D1,704-Dl, 640-VGA, 544, 480-2 / 3D1,352- 1 / 2D1) X48 0 or 352 乂 240 ((: ^) or 176 乂 144 ((3〇: 1?) The resolution can reach D1, 2 / 3Dl, 1 / 2D1, CIF, QCIF; support I, P & B or IPBB day frame compression and static JPEG format encoding; support fixed and one

10450TWF.ptd Page 16 1227019 V. Description of the invention (13). Secondary variable bit rate coding: IPB image, CBR or VBR to 15Mbps, I image only to 30Mbps; Flexible G0P architecture: variable M, N-IBBP, IBP, IP, I picture frame; Support variable image size: programmable up to 2 0 48X2 0 48 'Maximum motion prediction search engine range ·· Use halfpel accuracy · -P Pictures: X = [ -64, +64], Y = [-32, +32] -BPictures: X = [-32, + 32], Y = [-32, + 32] motion prediction can be frame / field (Field) ) / 16X8 mode; support bit rate control · VBR / CBR; support color format YUV4: 2: 2 to 4: 2: 0 conversion; support adaptive field / day frame mode, field / day frame DCT; support motion_ Detection and movie mode 3: 2 pull-down TELECINE conversion. Its video encoding data supports ITU-R656 or ITU-R601 format. The audio part supports 130/1 £ (: 13818-3 »1? £ 6 audio (including layers 1, 2 and 3-» !? 3), WMA audio encoding; supports 48/44 · 1/32 / 24/22 · 05 / 16ΚΗζ audio sampling; support two-channel audio in MPEG all layer audio format or Dolby AC3 audio. Frequency encoding; audio data resolution up to 24 bits / sampling, encoded by audio and video data encoding unit 470 The bit rate can reach 5 12Kbps to 7Mbps. When you want to transcribe a program played by an external audio and video device, you must first input the audio and video data from the external audio and video device through the video input terminal or video input S terminal and the left channel input terminal and the right The channel input terminal or s / pdif _ input terminal is input to the video input interface 480, and then the video analog digital converter 481 and the audio analog digital converter 483 of the video input interface 48 will convert the input audio and video data into digital video of ITU656 video. Data and digital audio data of pCM audio, and selected by multiplexers 491 and 493, and audio and video

10450TWF.ptd 1227019 V. Description of the invention (14) The encoding of the data encoding unit 470, and the fourth digit video and audio data in its reselected format is rotated out. The bran is selected or inserted into the bus controller. === A portable storage device with a universal serial bus interface is inserted into one of the smart media interfaces 495 (or smart, or shown). 9 Setan media interface card (not shown) is controlled by the programmable control unit 46 in the fourth figure, which can be controlled by a flat process as early as 0460. It includes: a programmable control receiver 461, a keyboard 463 and Liquid crystal display panel m. It can be remotely routed to perform user selection and control. The keypad and infrared are connected to programmable controller 465 to provide the user with input and control commands. The liquid crystal display panel 467 is used to display The state of non-selection and control. In summary, it can be seen that the present invention has at least the following advantages: ＭΡπΙ # can be connected to a computer to directly record downloaded ρρ3, medica A, JPEG, and H types without burning a disc The digital video files downloaded by the computer can be directly played. 2. The audio and video verses i played through the optical disc drive or external audio and video device can be transcribed into the selected format, and stored in the smart media interface. Portable storage device or built-in Kuaoka memory. • The first and second ports of the bus controller can be used, and the heart can be directly connected to a digital camera or digital video camera. Printers and other connections, to achieve dynamic cancer, static display and recording or printing function.

1227019 V. Description of the Invention (15) Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various changes without departing from the spirit and scope of the present invention. Changes and retouching, therefore, the protection scope of the present invention shall be determined by the scope of the appended patent application.

10450TWF.ptd Page 19 1227019 The diagram is briefly explained. Figure 1 shows a block diagram of a conventional recordable video disc player circuit. Figure 2 shows a conventional video disc player playback method. Figure 3 shows A schematic diagram of a playback mode of a multi-function video player supporting playback according to a preferred embodiment of the present invention; and FIG. 4 is a schematic block diagram of a multi-function video player supporting playback according to a preferred embodiment of the present invention. Description of graphical symbols: 100 recordable video players, 105 disc drives, 110 hard drives, 115 CSS / CPPM encryption and decoding units, 120 MPEG4 / 2/1 video and audio data decoding units, 1 21 flash memory, 1 2 3 first synchronization Dynamic memory 125 first multiplexer 130 second multiplexer 135 NTSC / PAL video digital analog converter 140 audio digital analog converter 145 video data playback engine 150 MPEG2 / 1 video data coding unit 1 51 second synchronous dynamic memory Body 155 NTSC / PAL video analog digital converter 1 6 0 audio analog digital converter

1227019 Schematic description 165 FPGA controller 170 LCD display panel 175 infrared receiver. 180 keyboard 21 0 DVD player 220, 320 TV 230, 330 sound 240, 340 computer 2 5 0, 3 5 0 Internet 260 disc _ 310, 400 Multi-function video player supporting download and playback 3 6 0 Universal serial bus connection cable 410 Optical disc drive 420 Bus controller 430 Controlling the central unit 4 3 2 Encryption decoding unit 435 First multiplexing circuit 437 Audio and video data playback Engine 440 video data decoding unit | 441 video data decoder 443 flash memory 445 first synchronous dynamic memory 450 video output interface 4 5 1 video digital analog converter

10450TWF.ptd Page 21 1227019 Schematic description 453 Audio digital analog converter 4 6 0 Programmable control unit 461 Infrared receiver 463 Keyboard 4 6 5 Programmable controller 467 LCD display panel 470 Audio and video data coding unit 471 Second synchronization Dynamic memory 475 Audio and video data encoder 480 Audio and video input interface 481 Video analog digital converter 483 Audio analog digital converter 485 Built-in flash memory 490 Second multiplexer circuit 491, 493 Multiplexer 495 Smart media interface

10450TWF.ptd Page 22

Claims (1)

1227019 6. Scope of patent application 1. A multi-function video player supporting download and playback, including. An optical disc drive for reading one of the first digital video and audio data in the optical disc placed on the optical disc drive; a bus controller Has a first port for connecting a computer and controls communication with the computer; and a control center unit, which is coupled to the optical disc drive and the bus control 2 and has a video output interface connected to an external output device For controlling the decoding of the first digit by the optical disc drive and decoding and conversion into audiovisual data output acceptable to the external output device according to the choice of the two users, or from the bus controller via the bus controller. Computer; = Audio-visual data transcription storage and playback. The shovel and 2 zen Ϊ Ϊ ϊ multi-functional month to support download and playback ~ disc player as described in item 1 of the scope, wherein the control center unit further includes: an encrypted decompression unit 'for the first digital video data To explain, the broadcast: the audio and video resource development engine is used to control the playback of the second digital audio and video data by coupling the encrypted decoding unit and the audio and video data from the first digital audio and video data and the audio-visual audio data Choose one of the outputs; double-talk ~ a shell material and a first number of the first element, which is connected to the-multiplexer circuit to decode the-digital video and video: Γ 'into a digital audio data. Wu, coupled to the audio and video data playback engine, for 10450TWF.ptd Page 23 1227019 6. Scope of Patent Application &% The user selects and controls the playback of audiovisual data. & / 3. The multi-function player capable of downloading and playing as described in item 2 of the scope of patent application, wherein the programmable control unit includes a programmable controller for performing selection and control of the user The keyboard 'is lightly connected to the programmable controller to provide the user with input selection and control commands; an infrared receiver is connected to the programmable controller to provide the user with remote control input selection and control commands; and A liquid crystal display panel is coupled to the programmable controller for displaying the status of selection and control. 4. The multi-function video player supporting download and playback as described in item 2 of the scope of patent application, in which the video data decoding unit can support decoding of MPEG4, MPEG2, MPEG 1 (including MP3), WMA and JPEG formats. 5. The multi-function disc player supporting download and playback as described in item 2 of the scope of patent application, wherein the digital audio data is PCM audio, and it can support S / PDIF digital audio input. 6. The multi-function video player supporting download and playback as described in item 2 of the scope of patent application, wherein the digital video data is ITU-656 video. 7. The multi-function video player supporting download and playback as described in item 1 of the scope of patent application, wherein the optical disc drive can support reading of audiovisual data such as DVD, VCD, SVCD, CD, CDR, and DVD-R. 8. The multi-function disc player supporting download and playback as described in item 1 of the scope of patent application, wherein the bus controller is a universal serial bus controller. 1227019 6. Scope of patent application 9 · The multi-function disc player supporting download and playback as described in item 8 of the scope of patent application, wherein the universal serial bus controller is a Philips ISP1 using On-The-Go technology similar to 3 62 Control wafers similar to wafers. I 0 · The multi-function video player supporting download and playback as described in item 1 of the scope of patent application, wherein the control center unit further includes: a video data encoding unit for re-encoding the decoded first digital video data A format selected by the user to output a third digital audiovisual data. II · The multi-function video player supporting download and playback as described in item No. 丨 0 of the patent application scope, wherein the video and audio data encoding unit can support the encoding of MPEG4, MPEG2, MPEG1 (including MP3), WMA and JPEG formats. 12. The multi-function video player supporting download and playback as described in Item 10 of the scope of patent application, wherein the control center unit further includes: a built-in flash memory for storing the third digital video data. 1 3. According to the multifunctional video player supporting download and playback described in item 10 of the scope of patent application, the control center unit further includes a smart media interface for inserting a smart media interface card to The third digital video data is stored. 14. The multi-function video player supporting download and playback as described in item 1 of the scope of patent application, wherein the control center unit further includes: an audio and video input interface for receiving input audio and video data from an external film device, And convert the input audio and video data into a digital audio data and a digital video data; and 10450TWF.ptd page 25 1227019 VI. Patent application scope an audio and video data coding unit for converting the digital audio data with the digital video data , Re-encode to the format selected by the user to output a fourth digital audiovisual data. 15 · The multi-function video player supporting download and playback as described in item 14 of the scope of patent application, in which the video data encoding unit can support the encoding of MPEG4, MPEG2, MPEG1 (including MP3), WMA and JPEG formats. 16 · The multi-function video player supporting download and playback as described in item 14 of the scope of patent application, wherein the control center unit further includes: a built-in flash memory for storing the fourth digital video data. _ 17. The multi-function video player supporting download and playback as described in item 14 of the scope of patent application, wherein the control unit further includes: a smart media interface for inserting a smart media interface card to store The fourth digital video data. 18 · The multi-function video player supporting download and playback as described in item 14 of the scope of patent application, wherein the video input interface includes a video analog / digital converter and an audio analog / digital converter. 19. The multi-function video player supporting download and playback as described in item M of the patent application scope, wherein the video input interface has an image input terminal, an image input S terminal, a left channel input terminal, and a right channel input Terminal and an S / PDIF input terminal. 20 · The multi-function video player supporting download and playback as described in item 1 of the scope of patent application, wherein the video output interface includes a video digital / analog converter and an audio digital / analog converter. 1227019 VI. Application for patent scope Function tablet such as machine application for Ganzhuan, as described in the scope of item 20, the woman supports planting and sowing. Once you = machine ', the video output interface mask has an image output terminal, ] There are 8 terminals, a Y / CB / CR terminal, a left channel output terminal, a channel output terminal, and an S / PDIF output terminal. The video camera supports the multi-function of downloading and playing as described in the first item of the patent scope, wherein the bus controller has a second connection. Neng Ying ": Application, multi-function support for download and playback as described in item 1 of the patent, the control center unit further includes: • ^ built-in flash memory to store the second digit Audiovisual materials. She can take part in the multi-function y-disc that supports downloading and playback as described in item 1 of the patent application. The control center unit further includes: 馇 :: Ϊ'-type media interface 'is used to insert a smart type. A media interface card to store the second digital video and audio data. ® 卞 10450TWF.ptd Page 27