JP2009055167A - Broadcast receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a broadcast receiver capable of recording a broadcast program in a plurality of digital recording apparatuses without a user performing a recording operation. <P>SOLUTION: The broadcast receiver is provided with connecting means 113 and 114 for connecting the plurality of digital recording apparatuses 111 and 112 in a controllable manner, and a control part 215 for performing a recording/reproduction operation of the plurality of digital recording apparatuses 111 and 112 connected by the connecting means 113 and 114. When a recording operation is not normal any more while one digital recording apparatus 111 performs the recording operation, the control part 215 switches the digital recording apparatus to other digital recording apparatus 112 to perform a recording operation. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a broadcast receiving apparatus that controls recording on a plurality of recording / reproducing apparatuses.

  In recent years, digitization of digital television broadcasting has been promoted. For example, in Japan, not only satellite digital broadcasting such as BS (Broadcasting Satellite) digital broadcasting and 110-degree CS (Communication Satellite) digital broadcasting but also full-scale digital terrestrial broadcasting. Has been started. A digital broadcast receiving apparatus that receives such digital television broadcasts is connected to a large-capacity digital recording device such as a HDD (Hard Disk Drive) built-in recorder. Can be played back.

  At present, by connecting a plurality of digital recording devices to a single digital broadcast receiving device and networking it, it is possible to specify a digital recording device from the digital broadcast receiving device and record a broadcast program. An arbitrary digital recording device can be designated to play a broadcast program. As described above, when a plurality of digital recording devices are connected to a network, a graphic user interface is displayed so that each digital recording device can be easily managed (for example, see Patent Document 1). .

  On the other hand, there is HDMI (High Definition Multimedia Interface) as one means for connecting a digital broadcast receiving apparatus and a digital recording device. HDMI has an intelligent function that allows connected devices to recognize each other, and is a single cable in which video, audio, and control signals are integrated. In this way, a plurality of devices interconnected on a network composed of HDMI standard lines exchange data signals including content related to audio and video, control signals called commands, and the like to record content. There is a playback system (see, for example, Patent Document 2).

JP 2006-94408 A JP 2005-184079 A

  In an environment where a plurality of conventional digital recording devices are connected to a network, when recording a broadcast program using a single digital recording device, if the digital recording device cannot record due to some problem, the other digital recording device The user had to operate to continue recording. In addition, in order to record a broadcast program, it is necessary to secure a sufficient capacity necessary for recording in the HDD built in the digital recording device, and when the capacity of the HDD is not enough, it is recorded in the HDD. It was necessary to secure the capacity by erasing data.

  The present invention has been made to solve these problems, and an object of the present invention is to provide a broadcast receiving apparatus capable of recording a broadcast program on a plurality of digital recording devices without a user performing a recording operation. And

  In order to solve the above-described problems, a broadcast receiving apparatus according to the present invention includes a connection unit that controllably connects a plurality of digital recording devices, and a recording / playback operation for the plurality of digital recording devices connected by the connection unit. The control unit is characterized in that when one digital recording device becomes abnormal during recording, the recording operation is switched to another digital recording device.

  According to the first aspect of the present invention, the connection unit connects the plurality of digital recording devices in a controllable manner, and the control unit performs a recording / reproducing operation on the plurality of digital recording devices connected by the connection unit. When the recording operation becomes abnormal during recording by one digital recording device, the control unit switches to the other digital recording device to perform the recording operation, so that the user can perform a plurality of recording operations without performing the recording operation. It is possible to record a broadcast program on a digital recording device.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a diagram illustrating an example of a network system of a digital television broadcast receiver 100 according to an embodiment of the present invention. As shown in FIG. 1, the digital television broadcast receiving apparatus 100 receives operation information transmitted from, for example, a flat panel type image display unit 101 such as a liquid crystal display panel, a speaker 102, an operation unit 104, and a remote controller 105. A light receiving unit 103 for receiving is provided. In addition, for example, a memory card 110 such as an SD (Secure Digital) memory card, an MMC (Multimedia Card), or a memory stick is detachable, and information such as broadcast programs and photographs is recorded on or reproduced from the memory card 110. be able to. Further, the digital television broadcast receiving apparatus 100 includes a first HDMI terminal 106 and a second HDMI terminal 107, and the first recorder 111 is connected from the first HDMI terminal 106 via the first HDMI cable 113. (Digital recording device) is connected from the second HDMI terminal 107 to the second recorder 112 (digital recording device) via the second HDMI cable 114. The first recorder 111 and the second recorder 112 include a recordable drive such as a DVD (Digital Versatile Disk), a BD (Blu-ray Disc), and an HD DVD (High Definition DVD) in addition to the HDD as a recording medium. Is provided.

  FIG. 2 is a block diagram showing the configuration of the digital television receiver 100 according to the embodiment of the present invention. As shown in FIG. 2, the satellite digital television broadcast signal received by the BS / CS digital broadcast receiving antenna 201 is output to the satellite digital broadcast tuner 203 via the input terminal 202, and is received by the tuner 203. The channel broadcast signal is selected. The broadcast signal selected by the tuner 203 is output to a PSK (Phase Shift Keying) demodulator 204, demodulated into a digital video signal and audio signal by the PSK demodulator 204, and then output to the signal processing unit 205. . An analog tuner 206 that receives a terrestrial analog signal is provided. The signal received by the analog tuner 206 is demodulated by the analog demodulator 207 and then output to the signal processing unit 205.

  The terrestrial digital television broadcast signal received by the terrestrial digital broadcast receiving antenna 208 is output to the terrestrial digital broadcast tuner 210 via the input terminal 209, and the tuner 210 selects a broadcast signal of a desired channel. Bureau. The broadcast signal selected by the tuner 210 is output to an OFDM (Orthogonal Frequency Division Multiplexing) demodulator 211, demodulated into a digital video signal and audio signal by the OFDM demodulator 211, and then output to the signal processing unit 205. The

  In the signal processing unit 205, the digital video signal and audio signal input from the PSK demodulator 204, the digital video signal and audio signal input from the OFDM demodulator 211, and the video signal input from the analog demodulator 207 The audio signal and the audio signal are subjected to predetermined digital signal processing and then output to the video processing unit 212 and the audio processing unit 213, respectively. The video processing unit 212 has a function of superimposing the digital video signal input from the signal processing unit 205 and the OSD signal generated by the OSD (On Screen Display) signal generation unit 214 to output to the video display unit 101. Have. The video processing unit 212 can selectively output the video signal input from the signal processing unit 205 and the OSD signal input from the OSD signal generation unit 214, and each signal constitutes a half of the screen. It is possible to output in combination. The digital video signal output from the video processing unit 212 is displayed on the video display unit 101. Also, the audio processing unit 213 converts the input digital audio signal into an analog audio signal in a format that can be reproduced by the speaker 102 and then outputs the analog audio signal to the speaker 102 to reproduce the audio.

  The control unit 215 comprehensively controls all operations including the reception operation of each component of the digital television broadcast receiving apparatus 100. The control unit 215 includes a CPU (Central Processing Unit) and the like. The operation information from the operation unit 104 or the operation information transmitted from the remote controller 105 is received by the light receiving unit 103 and included in each operation information. Each component is controlled so that the operation content to be reflected is reflected. For the control of each component, a ROM (Read Only Memory) 216 that mainly stores a control program executed by the CPU, a RAM (Random Access Memory) 217 that provides a work area to the CPU, various setting information and control information Etc. are used.

  Further, the control unit 215 can transmit information by connecting to the memory card 110 via a card I / F (Interface) 219. Further, the HDD 221 (internal recording medium) can be controlled via the disk drive control unit 220, and the digital video signal and audio signal output from the signal processing unit 205 can be recorded. Digital video signals and audio signals recorded in the HDD 221 can be reproduced. It is assumed that there is no internal recording medium such as the HDD 221 or the like.

  Next, the configuration of HDMI will be described.

  FIG. 3 is a configuration block diagram of HDMI (connection means) according to the embodiment of the present invention. As shown in FIG. 3, HDMI is composed of a transmission unit 301 and a reception unit 305. The transmission unit 301 is provided with a digital recording device serving as a video / audio source such as a recorder, a DVD, or a VTR, and the reception unit 305 is provided with a digital broadcast receiving apparatus that displays video or outputs audio. The transmission unit 301 and the reception unit 305 are connected by an HDMI cable that transmits three types of TMDS data, a TMDS clock, a CEC signal, a DDC signal, and the like.

  The transmission unit 301 is controlled by the transmission side control unit 302. The transmission side TMDS encoder 303 converts the video signal and the audio signal into three types of TMDS data signals and TMDS clock signals suitable for high-speed transmission, and an HDMI cable. The data is output to the receiving unit 305 via 304. The receiving unit 305 is controlled by the receiving side control unit 306 and converts the three types of TMDS data signals and TMDS clock signals transmitted from the transmitting unit 301 into video signals and audio signals by the receiving side TMDS decoder 307. .

  A CEC (Consumer Electronics Control) line 308 transmits a CEC signal between devices connected to the HDMI cable. By using the CEC signal, it becomes possible to operate the digital recording device from the remote controller 105 or the operation unit 104 of the digital television broadcast receiving apparatus 100 via the HDMI cable.

  A DDC (Display Data Channel) line 309 is used for discriminating information and network configuration of each model such as the digital television broadcast receiving device 100, the digital recording device, and the audio device stored in the EDID (Extended Display Identification Data) ROM 310. The set value is transmitted as a CEC signal to the transmission side control unit 302 via the HDMI cable.

  By using the above-described HDMI, the control unit 215 of the digital television broadcast receiving apparatus 100 connects the HDMI compatible first recorder 111 from the first HDMI terminal 106 via the HDMI cable 113 when the HDMI cable is connected. Then, the fact that the first recorder 111 is a recordable model is read out, and the address of the first recorder 111 on the network is set and stored in the nonvolatile memory 218. Similarly, the control unit 215 reads that the HDMI-compatible second recorder 112 is connected from the second HDMI terminal 107 via the HDMI cable 114, and further the second recorder 112 can record. And the address of the second recorder 112 on the network is set and stored in the nonvolatile memory 218.

  FIG. 4 is a flowchart of the broadcast program recording operation according to the embodiment of the present invention. When a sequence for recording a digital television broadcast manually or by reservation is started, in step S1, the control unit 215 stores information on priority of recording on a digital recording device or a recording medium set in advance in the nonvolatile memory 218. Read from. The priority order information recorded in the non-volatile memory 218 is automatically set when the control unit 215 detects a device connected by HDMI, but the setting can be changed by the user. The priorities in the embodiment of the present invention are the HDD 221, the first recorder 111, the second recorder 112, and the digital television broadcast receiving device built in the digital television broadcast receiving device 100 in descending order of priority. Although the memory card 110 is connected to the memory card 100, any order other than this may be used.

  In step S2, the control unit 215 sets a digital recording device or recording medium to be recorded based on the read priority. In the embodiment of the present invention, the HDD 221 built in the digital television broadcast receiver 100 having the priority 1 is selected. In step S3, the control unit 215 transmits a recording start command to the digital recording device or recording medium to be recorded. In the embodiment of the present invention, a recording start command is transmitted to the disk drive control unit 220 in order to cause the HDD 221 to start recording. The disk drive control unit 220 causes the HDD 221 to start recording the signal output from the signal processing unit 205. In step S4, if the recording operation is normally performed, the recording is continued until the manual end or the reservation end time. When the recording is completed in step S5, in step S6, a message indicating that the recording is normally completed is generated in the OSD signal generation unit 214 and displayed on the video display unit 101 via the video processing unit 212. In step S7, the control unit 215 stores a recording history including program information such as recording date / time, program title, channel, recording time, recording medium information, etc. in the nonvolatile memory 218, and ends the recording sequence.

  The information stored in the non-volatile memory 218 can be displayed on the video display unit 101 by operating the operation unit 104 or the remote controller 105, and is used when the user confirms recording or reproduces a recorded program. be able to.

  In step S4, for example, when the recording operation is not normal due to insufficient recording capacity during recording by the first recorder 111 of priority 2, for example, when the recording fails or is terminated halfway, the first The recorder 111 notifies the digital television broadcast receiver 100 that recording is not possible via the CEC line 308 of the first HDMI cable 113. In step S8, the control unit 215 confirms whether there is a next recordable digital recording device or recording medium based on the priority order. In the embodiment of the present invention, as the recording priority, the second recorder 112 of the third order is set as the digital recording apparatus after the first recorder 111 of the second order. Switching from the first recorder 111 to the second recorder 112, the process returns to step S2 to perform the recording operation. In Step 3, the control unit 215 instructs the second recorder 112 to start recording via the CEC line 308 of the second HDMI cable 114 in order to start recording of the second recorder 112. . The second recorder 112 that has received the command starts recording. When it is confirmed in step 4 that the recording operation is normal and the recording is completed in step 5, in step 6, the video display unit 101 displays that the recording operation is normally completed. In step S7, the control unit 215 stores the program information, the recording time, and the recording medium information recorded in the second recorder 112 and the first recorder 111 in the nonvolatile memory 218, and ends the recording sequence. . The information stored in the non-volatile memory 218 can be displayed on the video display unit 101 by operating the operation unit 104 or the remote controller 105, and is used when the user confirms recording or reproduces a recorded program. be able to.

  In step S8, when recording on the memory card 110 having the lowest priority in the embodiment of the present invention is not possible, there is no next digital recording device or recording medium. A message indicating that the recording has failed is generated and displayed on the video display unit 101 via the video processing unit 212. In step S7, the control unit 215 records the recording history including the recording date and time, the program information such as the program title and the channel, the recording time, the recording medium, and the recording was not normally completed in the nonvolatile memory 218. Store and finish the sequence. The information stored in the non-volatile memory 218 can be displayed on the video display unit 101 by operating the operation unit 104 or the remote controller 105, and is used when the user confirms recording or reproduces a recorded program. be able to.

  The present invention can be applied to an HDMI compatible digital television broadcast receiver.

  From the above, a digital television broadcast receiving apparatus that is connected to a plurality of digital recording devices in a controllable manner is connected to another digital recording device when the recording operation becomes abnormal during the recording of one digital recording device. Since the recording operation is performed by switching, the broadcast program can be recorded on a plurality of digital recording devices without the user performing a recording operation.

It is a figure which shows an example of the network system of the digital television broadcast receiver by embodiment of this invention. 1 is a configuration block diagram of a digital television receiver according to an embodiment of the present invention. 1 is a configuration block diagram of HDMI according to an embodiment of the present invention. FIG. 5 is a flowchart of a broadcast program recording operation according to an embodiment of the present invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 100 Digital television broadcast receiver, 101 Video display part, 102 Speaker, 103 Light-receiving part, 104 Operation part, 105 Remote controller, 106 1st HDMI terminal, 107 2nd HDMI terminal, 110 Memory card, 111 1st Recorder, 112 second recorder, 113 first HDMI cable, 114 second HDMI cable, 201 BS / CS digital broadcast receiving antenna, 202 input terminal, 203 satellite digital broadcast tuner, 204 PSK demodulator, 205 signal processing unit, 206 analog tuner, 207 analog demodulator, 208 terrestrial digital broadcast receiving antenna, 209 input terminal, 210 terrestrial digital broadcast tuner, 211 OFDM demodulator, 212 video processing unit, 213 audio processing Processing unit, 214 OSD signal generation unit, 215 control unit, 216 ROM, 217 RAM, 218 nonvolatile memory, 219 card I / F, 220 disk drive control unit, 221 HDD, 301 transmission unit, 302 transmission side control unit, 303 Transmission side TMDS encoder, 304 HDMI cable, 305 reception unit, 306 reception side control unit, 307 reception side TMDS encoder, 308 CEC line, 309 DDC line, 310 EDID ROM.

Claims (5)

Connection means for controllably connecting a plurality of digital recording devices;
A control unit for performing a recording / reproducing operation on the plurality of digital recording devices connected by the connection unit;
And the control unit switches to another digital recording device to perform the recording operation when the recording operation becomes abnormal during recording of one of the digital recording devices. Further comprising a recording medium capable of the recording / reproducing operation inside the broadcast receiving device;
The control unit switches to another digital recording device or the internal recording medium to perform the recording operation when the recording operation becomes abnormal during recording of the one digital recording device or the internal recording medium. The broadcast receiving apparatus according to claim 1, wherein:   The broadcast receiving apparatus according to claim 1 or 2, wherein a priority for performing the recording operation is set in advance for the digital recording device or the internal recording medium. A non-volatile memory for storing a recording history of the digital recording device that has performed the recording operation;
Means for displaying the record history on a video display unit of the broadcast receiving device;
The broadcast receiving apparatus according to claim 1, further comprising:   The broadcast receiving apparatus according to claim 1, wherein the connection unit is a connection unit based on HDMI.

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