JP2008167367A - Transmission device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transmission device capable of newly inputting and setting a packet header and packet data of a novel packet in order to deal with a case where the standard of an interface is revised. <P>SOLUTION: When a packet setting mode is operated, a packet header input picture is displayed on a display device and a value of the packet header in the novel packet is input. When it is detected that the input is completed, a packet data input picture is displayed on the display device, and a value of the packet data in the novel packet is input. When it is detected that the input is completed, a completion confirmation picture of the novel packet is displayed on the display device. When a confirmation that the novel packet is right is operated, the novel packet is stored in a memory. When transmission is operated thereafter, the novel packet is added to a data island packet and transmitted to a receiving device. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a transmitting device that reads data recorded on a recording medium, performs predetermined processing, and transmits the data to a receiving device via an HDMI cable, and particularly relates to processing when a new packet is added.

  In recent years, the ultra-high definition of the display screen of a television receiver used for a DVD player or the like has been remarkably developed due to the advancement of the liquid crystal panel manufacturing technology, and video data with a very large amount of information can be displayed with high definition. It became possible. In such a television receiver, an interface called HDMI (High Definition Multimedia Interface) is used in order to transmit a large amount of video data and audio data from a DVD player or the like. In the HDMI standard, for example, it is possible to multiplex a digital audio signal during a blanking period of a digital video signal and perform audio transmission. In addition to transmitting a digital video signal in the form of an RGB signal, a format of a YCbCr signal Various specifications not in the DVI standard, such as being able to transmit in the form of YPbPr signals with higher image quality and being able to connect with a USB (Universal Serial Bus) -like small HDMI connector Is included.

  HDMI is an interface for transmitting video data and audio data from a transmission device such as a DVD player to a reception device such as a television receiver or a projector. HDMI is an extension of DVI (Digital Visual Interface) Ver1.0, which is a conventional standard. Specifically, DVI is a standard interface that transmits only video data, whereas HDMI is a standard interface that can transmit audio data and other data as well as video data over a single cable. Furthermore, HDMI can transmit high-quality multi-channel audio data and high-resolution video data in various formats.

  HDMI can also be used to transmit various types of information (monitor information, for example, EDID data structure, etc.) by DDC (Display Data Channel) communication. EDID (Extended Display Identification Data) includes resolution that can be received by a receiving device, audio stream information, speaker information of an HDMI receiving unit, and the like. Also, HDMI has the advantage that video data and audio data can be transmitted with a single cable, eliminating the troublesome connection of multiple cables. For example, when outputting content in a CSS (Content Scrambling System) from a DVD player, HDMI is an interface of a standard approved by CPAC (Copy Protection Advisory Council).

  The DDC is a name of a communication format, and is a line used to transmit other data related to the HDMI monitor to the DVD player in addition to the video data display condition and audio data condition data. The DDC is connected to a communication line in the DVD player and is used to establish a line between the DVD player and the HDMI monitor. The CSS is a system in which data is encrypted and recorded, and decrypted during reproduction.

Data transmission according to the HDMI standard is performed in three periods: a video data period, a data island period, and a control period. Of these, pixel data of a video signal formatted according to the EIA / CEA-86IB standard is transmitted in the video data period, and packet data of an audio stream signal formatted in accordance with the IEC06958 standard is transmitted in the data island period. . In the data island period, the encoded horizontal synchronizing signal and vertical synchronizing signal are also transmitted. The data island period includes packet data generated by encoding 4-bit data into 10-bit data by the TERC4 (TMDS Error Reducing Coding in 4 bit) encoding method. The generated packet data includes EIA / CEA-861B standard Info Frame packet data and IEC0695B standard packet data.
JP 2006-93834 A JP 2005-333472 A Table 2004/091207

  By the way, the period when the interface standard is revised is shortened to, for example, about one year. In the case of a transmission device such as a DVD player having an old format standard up to about one year ago, the revised interface standard is used. It happens that the function cannot be supported. However, in the conventional transmission equipment, even if the interface standard is revised, there is no means for newly inputting and setting the packet header and packet data of the new packet in order to cope with it. If there is a problem, there arises a problem that processing by a new function cannot be executed.

  In the prior art of Patent Document 1, the detection of the synchronization of the video signal received by the receiving device of the HDMI standard data is performed without providing special hardware, and the interface standard is revised. In order to cope with this, no means for newly inputting and setting a packet header and packet data of a new packet is disclosed.

  The prior art of Patent Document 2 is a digital transmission system compliant with the HDMI standard, which performs signal processing according to the form of the received digital video signal so that normal video display can be performed. However, when the interface standard is revised, no means for newly inputting and setting the packet header and the packet data of the new packet is disclosed.

  In the prior art of Patent Document 3, a CD-ROM in which update software is recorded in MPEG format is inserted into a DVD playback device connected to a television receiver, and an arbitrary micro of the DVD playback device or the television receiver is inserted. The software of the processor is easily updated, and this conventional technique also newly sets the packet header and packet data of a new packet to cope with the revision of the interface standard. Means are not disclosed.

  The present invention has been made to solve the above-described problems, and when the interface standard is revised, the packet header and packet data of a new packet are newly input and set in order to cope with it. An object of the present invention is to provide a transmission device that can perform communication.

  In order to achieve the above object, the invention of claim 1 reads out data recorded on a recording medium to perform demodulation processing and error correction processing, and inputs data from the signal processing unit to input a predetermined data. When it is detected that the operation of the packet setting mode is performed in a transmission device including a decoder unit that performs the decoding process and an HDMI transmission unit that transmits data from the decoder unit to the reception device via an HDMI cable A packet header input screen display means for displaying a packet header input screen on the display device of the receiving device, and when it is detected that input of a desired packet header is completed with respect to the displayed packet header input screen A packet data input screen display means for displaying a packet data input screen on the display device of the receiving device; Completion of a new packet having the desired packet header and the desired packet data on the display device of the receiving device when it is detected that the input of the desired packet data is completed on the displayed packet data input screen A completion confirmation screen display means for displaying a confirmation screen; a bucket storage means for storing the new packet in a memory when an operation indicating that the setting of the new packet is completed is detected on the completion confirmation screen; and the memory When the transmission instruction including the instruction for processing of the new function by the new packet stored in is detected, the new packet is added to the data island packet of the HDMI standard to transmit the HDMI data to the receiving device. Transmission control means for controlling the HDMI transmission unit to perform Providing a transmission device characterized.

  In this configuration, the packet header input screen display means displays the packet header input screen on the display device when detecting that the operation of the packet setting mode is performed. The user views the packet header input screen and inputs the value of the packet header in the new packet by operating the operation unit. When the packet data input screen display means detects that the input of the desired packet header is completed on the displayed packet header input screen, the packet data input screen display means displays the packet data input screen on the display device.

  The user views the packet data input screen and inputs the value of the packet data in the new packet by operating the operation unit. When the completion confirmation screen display means detects that the input of the desired packet data is completed on the displayed packet data input screen, the completion confirmation screen display means displays a new packet completion confirmation screen on the display device. When the user sees the completion confirmation screen and performs a confirmation operation that the packet header value and the packet data value in the new packet are correct, the bucket storage means completes the setting of the new packet on the completion confirmation screen. It is detected that an operation indicating the above has been performed, and the packet header and packet data in the new packet are stored in the memory.

  Thereafter, when the user operates the operation unit to add the new packet to the HDMI standard data island packet and cause the receiving device to perform HDMI data transmission, the transmission control unit stores the data in the memory. Detects that there is a transmission instruction including an instruction for processing a new function using the stored new packet, adds the new packet to the HDMI data island packet, and transmits HDMI data to the receiving device The HDMI transmitting unit is controlled to perform the above. Accordingly, the HDMI transmission unit adds a new packet and transmits it to the receiving device.

  According to this configuration, a desired packet header value is input on the packet header input screen, then a desired packet data value is input on the packet data input screen, and the input packet is further displayed on the completion confirmation screen. After the confirmation of the header and packet data is completed, a new packet having the desired packet header and packet data can be stored in the memory, so that the processing for the new function can be realized in the transmission device, thereby The user can also use the transmission device and the reception device by taking advantage of the new function, and the use range is increased, which is convenient.

  Also, by utilizing the HDMI standard, the user can newly add a packet to the data island packet during the data island period transmitted from the transmitting device to the receiving device, The connection with the receiving device can be used as it is, and even if the interface standard is revised or the transmission device conforms to the old format, the user can customize and transmit the packet information. Is easy to use.

  According to a second aspect of the present invention, there is provided a signal processing unit that reads data recorded on a recording medium and performs demodulation processing and error correction processing, and a decoder unit that inputs data from the signal processing unit and performs predetermined decoding processing. A display device of the receiving device when detecting that the operation of the packet setting mode is detected in a transmitting device including an HDMI transmitting unit that transmits data from the decoder unit to the receiving device via an HDMI cable When a new setting screen display means for displaying a new setting screen for newly setting an HDMI standard data island packet and an operation indicating that the setting of a new packet is completed are detected on the new setting screen And a bucket storage means for storing the new packet in a memory.

  In this configuration, the new setting screen display means detects that the operation of the packet setting mode has been performed, and a new setting screen for performing a new setting of the data island packet of the HDMI standard on the display device of the receiving device. Is displayed. The packet storage means stores the new packet in the memory when detecting an operation indicating that the setting of the new packet is completed on the new setting screen.

  According to this configuration, after the input of the desired packet header value, the input of the desired packet data value, and the confirmation of the input packet header and packet data are completed on the new setting screen, the desired packet header value is input. Since the new packet having the packet header and the packet data can be stored in the memory, the processing for the new function can be realized by the transmission device, so that the user can also make use of the new function to transmit the new device. In addition, a receiving device can be used, which increases the range of use and is convenient.

  In the invention of claim 3, in the invention of claim 2, the new setting screen display means displays a packet header input screen on the display device of the receiving device when it is detected that a packet setting mode is operated. Packet header input screen display means to be displayed, and display of a packet data input screen on the display device of the receiving device when it is detected that input of a desired packet header is completed with respect to the displayed packet header input screen A packet data input screen display means for causing the display device of the receiving device to display the desired packet header and the packet data input screen when the input of the desired packet data to the displayed packet data input screen is detected. Completion confirmation screen that displays a completion confirmation screen for a new packet with the desired packet data And a indicates means, said bucket storage means, upon detecting an operation indicating that the setting of the new packet by the completion confirmation screen has been completed, characterized in that to store the new packet in the memory.

  In this configuration, the packet header input screen display means displays the packet header input screen on the display device when detecting that the operation of the packet setting mode is performed. The user views the packet header input screen and inputs the value of the packet header in the new packet by operating the operation unit. When the packet data input screen display means detects that the input of the desired packet header is completed on the displayed packet header input screen, the packet data input screen display means displays the packet data input screen on the display device.

  The user views the packet data input screen and inputs the value of the packet data in the new packet by operating the operation unit. When the completion confirmation screen display means detects that the input of the desired packet data is completed on the displayed packet data input screen, the completion confirmation screen display means displays a new packet completion confirmation screen on the display device. When the user sees the completion confirmation screen and performs a confirmation operation that the packet header value and the packet data value in the new packet are correct, the bucket storage means completes the setting of the new packet on the completion confirmation screen. It is detected that an operation indicating the above has been performed, and the packet header and packet data in the new packet are stored in the memory.

  According to this configuration, a desired packet header value is input on the packet header input screen, then a desired packet data value is input on the packet data input screen, and the input packet is further displayed on the completion confirmation screen. After the confirmation of the header and packet data is completed, a new packet having the desired packet header and packet data can be stored in the memory, so that the processing for the new function can be realized in the transmission device, thereby The user can also use the transmission device and the reception device by taking advantage of the new function, and the use range is increased, which is convenient.

  According to a fourth aspect of the invention, in the second or third aspect of the invention, when a transmission instruction including an instruction for processing a new function by the new packet stored in the memory is detected, data of the HDMI standard is detected. A transmission control unit that controls the HDMI transmission unit to add the new packet to the island packet and cause the receiving device to perform HDMI data transmission.

  In this configuration, when the user operates the operation unit to add the new packet to the HDMI standard data island packet and cause the receiving device to perform HDMI data transmission, the transmission control unit It detects that there is a transmission instruction including an instruction for processing a new function by a new packet stored in the data, and adds the new packet to the data island packet of the HDMI standard to transmit HDMI data to the receiving device. The HDMI transmission unit is controlled so as to perform transmission. Accordingly, the HDMI transmission unit adds a new packet and transmits it to the receiving device.

  According to this configuration, the user can newly add a packet to the data island packet in the period of the data island period transmitted from the transmitting device to the receiving device by utilizing the HDMI standard. The connection between the transmitting device and the receiving device can also be used as HDMI, and even if the interface standard is revised or the transmitting device conforms to the old format, the user can customize and transmit the packet information. This is convenient for the user.

  As described above, according to the present invention, the packet header input screen display means for displaying the packet header input screen on the display device of the receiving device when the operation of the packet setting mode is detected, and the display A packet data input screen display means for displaying a packet data input screen on the display device of the receiving device when it is detected that the input of a desired packet header is completed on the packet header input screen; When it is detected that the input of the desired packet data is completed on the packet data input screen, a completion confirmation screen for the new packet having the desired packet header and the desired packet data is displayed on the display device of the receiving device. A completion confirmation screen display means for displaying the new packet on the completion confirmation screen; When an operation indicating that the setting is completed is detected, bucket storage means for storing the new packet in a memory, and a transmission instruction including an instruction for processing a new function by the new packet stored in the memory And a transmission control means for controlling the HDMI transmission unit to add the new packet to the HDMI data island packet and cause the receiving device to perform HDMI data transmission. Enter the desired packet header value on the input screen, then enter the desired packet data value on the packet data input screen, and confirm the packet header and packet data entered on the completion confirmation screen After that, a new packet having the desired packet header and packet data is obtained. Can be stored in memory, so that processing for a new function can be realized in the transmitting device, and therefore the user can also use the transmitting device and the receiving device by taking advantage of the new function. This makes it convenient to use more.

  Also, by utilizing the HDMI standard, the user can newly add a packet to the data island packet during the data island period transmitted from the transmitting device to the receiving device, The connection with the receiving device can be used as it is, and even if the interface standard is revised or the transmission device conforms to the old format, the user can customize and transmit the packet information. Is easy to use.

  Further, according to the present invention, when it is detected that the operation of the packet setting mode has been performed, a new setting screen for performing a new setting of an HDMI standard data island packet is displayed on the display device of the receiving device. A new setting screen display means for causing the new packet to be stored in the memory when an operation indicating that the setting of the new packet is completed is detected on the new setting screen. Input of desired packet header value, input of desired packet data value, and new packet having said desired packet header and packet data after completion of confirmation of said input packet header and packet data Can be stored in memory, which allows the transmitter to perform processing for new functions. It can be, therefore, the user Ikase also new functions, can use the transmission equipment and receiving equipment makes it convenient increasing number range of use.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a block diagram showing a configuration of a communication system including a transmission device according to an embodiment of the present invention. Here, a DVD player or the like will be described as a transmission device, but the present invention is not limited to this, and a DVD recorder or a hard disk recorder may be used.

  In FIG. 1, the communication system A is connected to a transmission device 1 capable of transmitting video data and audio data, such as a DVD player with an HDMI terminal, and the transmission device 1 via an HDMI cable 2. And a receiving device 3 such as a television receiver or a projector having a function of displaying an image by video data from the transmitter and outputting a sound by audio data from the transmitting device 1.

  The transmission device 1 includes an optical pickup 13 that optically reads data recorded on an optical disk 11 rotated by a spindle motor 12, and a signal processing unit that performs demodulation processing and error correction processing on the data read by the optical pickup 13. 14, a decoder unit 15 that receives the data from the signal processing unit 14 and performs a predetermined decoding process, and an HDMI transmission unit 16 that transmits the data from the decoder unit 15 to the receiving device 3 via the HDMI cable 2. And. The receiving device 3 includes an HDMI receiving unit 31, a display device 32, and an audio output device 33.

  The HDMI cable 2 is a TMDS line L2 for transmitting video data and audio data from the HDMI transmission unit 16 to the reception device 3 by a TMDS (Transition Minimized Differential Signaling) method, and the transmission device 1 is connected to the reception device 3. An HPD (Hot Plug Detector) line L1 for detecting the presence or absence of DDC, and a DDC (Display Data Channel) line L3 for the transmission device 1 to acquire condition information including display condition information from the reception device 3; It has. The line L3 temporarily stores a CPU 18 that controls each component of the transmission device 1, a flash ROM 19 that stores programs and data necessary for the operation of the CPU 18, and data necessary for the operation of the CPU 18. RAM 20 to be connected. The operation unit 17 represents a remote controller or a main body operation unit, and has a plurality of operation keys for causing the transmission device 1 to perform a reproduction operation, a transmission operation, or other operations, and is connected to the CPU 18.

  When the CPU 18 detects that the operation of the packet setting mode has been performed, the packet header input screen display means for displaying the packet header input screen on the display device 32 of the receiving device 3, and the displayed packet header input screen On the other hand, when it is detected that the input of a desired packet header is completed, a packet data input screen display means for displaying a packet data input screen on the display device 32, and a desired packet data input screen with respect to the displayed packet data input screen Completion confirmation screen display means for displaying a completion confirmation screen of the new packet having the desired packet header and the desired packet data on the display device 32 when it is detected that the input of the packet data is completed, and the completion confirmation On the screen, the operation indicating that the setting of the new packet has been completed is detected. When a transmission instruction including a bucket storage means for storing the new packet in the flash ROM 19 and a transmission instruction including an instruction for processing a new function by the new packet stored in the flash ROM 19 is detected, Transmission control means for controlling the HDMI transmission unit 16 to add the new packet to the packet and cause the receiving device 3 to perform HDMI data transmission.

  FIG. 2 is a screen diagram showing an example of a packet header input screen in the present embodiment. In this packet header input screen, a message “Please enter Packet Header” is displayed, and the packet header in the new packet to realize the function that the user wants to add according to the revised standard of the interface in the transmitting device Is input by key operation of the operation unit 17 (see FIG. 1). This packet header input screen corresponds to a new setting screen for performing a new setting of a data island packet.

  FIG. 3 is a screen diagram showing an example of a packet data input screen in the present embodiment. In this packet data entry screen, a message “Please enter Packet Data” is displayed, and the packet data in the new packet to realize the function that the user wants to add according to the revised standard of the interface in the transmitting device. A value of (sub-packet data) is input by a key operation of the operation unit 17 (see FIG. 1). This packet data input screen also corresponds to a new setting screen for performing a new setting of a data island packet.

  FIG. 4 is a screen diagram illustrating an example of a completion confirmation screen in the present embodiment. On this completion confirmation screen, a message “Is Packet Setting Complete?”, Header value and Data value are displayed, and OK / NG is also displayed. Here, for convenience of explanation, the value of Header and the value of Data indicate 00 00..., But the packet header value and the packet data value in the new packet corresponding to the function to be added are actually set. Will be entered. If there is no mistake in seeing the completion confirmation screen, the user selects and determines OK by operating the key of the operation unit 17 (see FIG. 1), and the value of the packet header and the value of the packet data in the new packet are stored in the flash ROM 19 Will be remembered. This completion confirmation screen also corresponds to a new setting screen for performing a new setting of the data island packet.

  In this embodiment, the packet header input screen, the packet data input screen, and the completion confirmation screen are displayed separately on the display device 32. However, these screens are combined into a new data island packet. You may display on the display apparatus 32 as a new setting screen for performing a setting.

  FIG. 5 is a flowchart for explaining processing until a new packet is set and transmitted in this embodiment. Processing until a new packet is set and transmitted will be described with reference to this flowchart and FIGS.

  First, when the user operates the operation unit 17 of the transmission device 1 to display the setup screen on the display device 32 of the reception device 3, and selects and determines the item of the packet setting mode displayed on the setup screen, The packet header input screen display means of the CPU 18 in the transmitting device 1 detects that the packet setting mode has been operated (step S1), and causes the display device 32 to display the packet header input screen (see FIG. 2) (step S2). ). Instead of displaying the setup screen and selecting and determining the packet setting mode item, a specific command may be input by operating the operation unit 17 to set the packet setting mode.

  The user looks at the packet header input screen, and sets the value of the packet header in the new packet for realizing the function to be added in the transmission device 1 according to the revised standard of the interface HDMI as the cursor of the operation unit 17. When input is performed by operating keys and numeric keys, and the enter key of the operation unit 17 is operated, the packet data input screen display means of the CPU 18 has completed the input of a desired packet header to the displayed packet header input screen. This is detected (step S3), and a packet data input screen (see FIG. 3) is displayed on the display device 32 (step S4).

  The user looks at the packet data input screen, and sets the value of the packet data in the new packet for realizing the function desired to be added by the transmitting device 1 in accordance with the revised standard of the interface HDMI. When input is performed by operating the cursor keys and numeric keys, and the enter key of the operation unit 17 is operated, the completion confirmation screen display means of the CPU 18 has completed the input of desired packet data to the displayed packet data input screen. This is detected (step S5), and a new packet completion confirmation screen (see FIG. 4) is displayed on the display device 32 (step S6).

  When the user sees the completion confirmation screen and if the packet header value and the packet data value in the new packet are correct, the user operates the cursor key of the operation unit 17 to set the cursor to OK and presses the enter key. The bucket storage means of the CPU 18 detects that an operation indicating that the setting of the new packet has been completed on the completion confirmation screen (step S7), and stores the packet header and packet data in the new packet in the flash ROM 19 Store (step S8).

  Thereafter, when the user performs a key operation on the operation unit 17 so that a new packet is added to the data island packet of the HDMI standard and the receiving device 3 performs HDMI data transmission, the transmission control means of the CPU 18 Detects that there is a transmission instruction including an instruction for processing a new function by a new packet (step S9), reads the new packet from the flash ROM 18, adds the new packet to the data island packet, and receives the data. 3 controls the HDMI transmission unit 16 to perform HDMI data transmission. Accordingly, the HDMI transmission unit 16 adds a new packet and transmits it to the receiving device 3 via the line L2 of the HDMI cable 2 (step S10). When the HDMI data transmission from the transmission device 1 to the reception device 3 is completed (step S11), this process ends.

  In addition, as described in the background art section, data transmission in the HDMI standard includes three of video data period (Video Data Period), data island period (Data Island Period), and control period (Control Period). The new packet is transmitted as a data island packet in a blanking period of a data island period.

  For example, if the transmitting device 1 is a DVD player, music is recorded on a CD, and the artist name is to be displayed on the display device 32 of the receiving device 3 when the music is played back on the DVD player, the steps described above are performed. Packets (packet header and packet data) related to the artist name are set by the processing of S1 to S8. According to the HMTI standard, video data is transmitted and supplemental data (new packet) is transmitted during the blanking period of the video data (the blanking period of the data island period). Therefore, a packet (new packet) related to the artist name is transmitted to the receiving device 3 during the blanking period of the video data.

  As described above, according to the present embodiment, a desired packet header value is input on the packet header input screen, then a desired packet data value is input on the packet data input screen, and a completion confirmation screen is displayed. After the confirmation of the inputted packet header and packet data is completed by the above, a new packet having the desired packet header and packet data can be stored in the memory, so that the processing for the new function is realized by the transmitting device. Thus, the user can also use the transmission device and the reception device by taking advantage of the new function, and the use range is increased, which is convenient.

  Also, by utilizing the HDMI standard, the user can newly add a packet to the data island packet during the data island period transmitted from the transmitting device to the receiving device, The connection with the receiving device can be used as it is, and even if the interface standard is revised or the transmission device conforms to the old format, the user can customize and transmit the packet information. Is easy to use.

  The present invention can be used for a transmission device such as a DVD player, a DVD recorder, and a hard disk recorder. Even if the interface standard is revised, the transmission device and a reception device such as a television receiver connected to the transmission device in HDMI. Can be processed even with the added new function.

It is a block diagram which shows the structure of the communication system containing the transmission apparatus which concerns on one Embodiment of this invention. It is a screen figure which shows an example of a packet header input screen in the said embodiment. It is a screen figure which shows an example of a packet data input screen in the said embodiment. It is a screen figure which shows an example of a completion confirmation screen in the said embodiment. It is a flowchart for demonstrating the process until a new packet is set and transmitted in the said embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Transmission apparatus 2 HDMI cable 3 Reception apparatus 11 Optical disk (recording medium)
14 signal processing unit 15 decoder unit 16 HDMI transmission unit 18 CPU (packet header input screen display means, packet data input screen display means, completion confirmation screen display means, bucket storage means, transmission control means)
19 Flash ROM (memory)
32 display devices

Claims (4)

A signal processing unit that reads data recorded on the recording medium and performs demodulation processing and error correction processing, a decoder unit that inputs data from the signal processing unit and performs predetermined decoding processing, and the HDMI cable via the HDMI cable In a transmission device including an HDMI transmission unit that transmits data from a decoder unit to a reception device,
A packet header input screen display means for displaying a packet header input screen on the display device of the receiving device when it is detected that the operation of the packet setting mode is performed;
A packet data input screen display means for displaying a packet data input screen on the display device of the receiving device when it is detected that the input of a desired packet header is completed with respect to the displayed packet header input screen;
When it is detected that the input of the desired packet data is completed on the displayed packet data input screen, a new packet having the desired packet header and the desired packet data is displayed on the display device of the receiving device. A completion confirmation screen display means for displaying a completion confirmation screen;
A bucket storage means for storing the new packet in a memory when detecting an operation indicating that the setting of the new packet is completed on the completion confirmation screen;
When a transmission instruction including an instruction for processing a new function by the new packet stored in the memory is detected, the new packet is added to the data island packet of the HDMI standard to the HDMI of the receiving device. And a transmission control unit that controls the HDMI transmission unit to perform data transmission. A signal processing unit that reads data recorded on the recording medium and performs demodulation processing and error correction processing, a decoder unit that inputs data from the signal processing unit and performs predetermined decoding processing, and the HDMI cable via the HDMI cable In a transmission device including an HDMI transmission unit that transmits data from a decoder unit to a reception device,
A new setting screen display means for displaying a new setting screen for performing a new setting of a data island packet of the HDMI standard on the display device of the receiving device when it is detected that the operation of the packet setting mode is performed;
A transmission device comprising: bucket storage means for storing the new packet in a memory when an operation indicating that the setting of the new packet is completed is detected on the new setting screen.   The new setting screen display means includes a packet header input screen display means for displaying a packet header input screen on the display device of the receiving device when the operation of the packet setting mode is detected, and the displayed Packet data input screen display means for displaying a packet data input screen on the display device of the receiving device when it is detected that the input of a desired packet header is completed on the packet header input screen, and the displayed packet When it is detected that the input of the desired packet data is completed on the data input screen, the completion confirmation screen for the new packet having the desired packet header and the desired packet data is displayed on the display device of the receiving device. Completion confirmation screen display means for performing the bucket storage means When at completion confirmation screen and detecting an operation indicating that the setting of the new packet is completed, the transmitting device according to claim 2, characterized in that to store the new packet in the memory.   When a transmission instruction including an instruction for processing a new function by the new packet stored in the memory is detected, the new packet is added to the data island packet of the HDMI standard to the HDMI of the receiving device. 4. The transmission apparatus according to claim 2, further comprising a transmission control unit that controls the HDMI transmission unit to perform data transmission.

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