JP2008067112A - Video recorder and video recording method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make a deviation smaller between video at video recording starting position expected by a user looking at video recording starting notification display and video at a starting position of an actually video-recorded program. <P>SOLUTION: This video recorder displays a message showing that a video recording operation is started on a video indicator 114 (step S402). The user is notified that a program is started to be recorded on a recording medium after detecting that the program is started to be actually recorded on the recording medium or after the time passes when the program may be started to be actually recorded on the recording medium (step S403). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a recording apparatus and a recording method, and more particularly to a recording apparatus and a recording method for notifying information indicating that recording has started.

  Digital broadcasting receivers that have become popular in recent years include products that implement recording functions by installing recording devices such as HDDs, and products that realize recording functions by connecting to external recording devices. is there.

  Generally, a digital broadcast receiver having such a recording function can record a program being viewed by operating a “record” key or the like while viewing the program on the screen. . In addition, when recording is started by such an operation, the user is made aware that the recording operation has been received by a GUI display on the screen such as an icon or an LED.

  However, in general, in a digital broadcast receiver, there is a delay due to video processing inside the receiver, so that a deviation occurs between the video displayed on the screen and the video signal that actually remains as a recorded program due to a recording start instruction. For this reason, if the recording start notification is displayed immediately in response to the recording operation, there will be a discrepancy between the video at the recording start position expected by the user when viewing the recording start notification display and the video at the start position of the actually recorded program. There was a problem that.

As a conventional recording apparatus, there is known a recording apparatus that can avoid missing frame data during manual recording even if the buffering delay is large (see, for example, Patent Document 1).
JP 2004-007581 A

  As described above, in the conventional recording apparatus and recording method, there is a problem that a deviation occurs between the video at the recording start position expected by the user when viewing the recording start notification display and the video at the start position of the actually recorded program. was there.

  An object of the present invention is to make the shift between the video at the recording start position expected by the user by looking at the recording start notification display and the video at the start position of the actually recorded program smaller.

  In order to achieve the above object, in the present invention, a receiving means for receiving a program, a recording means for recording the received program, a detecting means for detecting that recording of the program on a recording medium is started, There is provided a recording apparatus comprising: notifying means for notifying a user that recording of the program has started on a recording medium after the detecting means detects that recording has started.

  In order to achieve the above object, according to the present invention, a receiving means for receiving a program, a recording means for recording the received program, and a waiting time considering delay due to video processing inside the receiver. There is provided a recording apparatus comprising: notifying means for notifying a user that the program has started to be recorded on a recording medium after the elapse of time.

  In order to achieve the above object, according to the present invention, the receiving means receives the program, the recording means records the received program, and the detecting means detects that the recording is started on the recording medium. Then, after detecting that the detecting means has started the recording by the notifying means, a recording method is provided which notifies the user that the recording of the program has started on the recording medium.

  In order to achieve the above object, according to the present invention, the receiving means receives the program, the recording means records the received program, and the notifying means takes into account the delay caused by the video processing inside the receiver. A recording method is provided which notifies a user that recording of the program on a recording medium is started after the waiting time has elapsed.

The present invention relating to the apparatus is also established as an invention relating to a method, and the present invention relating to a method is also established as an invention relating to an apparatus.
Further, the present invention relating to an apparatus or a method has a function for causing a computer to execute a procedure corresponding to the invention (or for causing a computer to function as a means corresponding to the invention, or for a computer to have a function corresponding to the invention. It can also be realized as a program (for realizing the program), and can also be realized as a computer-readable recording medium that records the program.

  According to the present invention, it is possible to further reduce the gap between the video at the recording start position expected by the user by looking at the recording start notification display and the video at the start position of the actually recorded program.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 schematically shows an appearance of a digital television broadcast receiving apparatus 111 to which the present invention is applied, and an example of a network system configured around the digital television broadcast receiving apparatus 111.

  That is, the digital television broadcast receiver 111 mainly includes a thin cabinet 112 and a support base 113 that supports the cabinet 112 upright. Then, it is transmitted to the cabinet 112 from, for example, a flat panel type video display device 114 including a surface-conduction electron-emitter display (SED) display panel, a liquid crystal display panel, a speaker 115, an operation unit 116, and a remote controller 117. A light receiving unit 118 for receiving operation information is installed.

  Further, for example, a first memory card 119 such as an SD (Secure Digital) memory card, an MMC (Multimedia Card), and a memory stick can be attached to and detached from the digital television broadcast receiving apparatus 111. Information such as programs and photographs is recorded on and reproduced from the memory card 119.

  Further, for example, a second memory card (IC card) 120 in which contract information or the like is recorded can be attached to and detached from the digital television broadcast receiving apparatus 111. Information is stored in the second memory card 120. Recording / reproduction is performed.

  The digital television broadcast receiver 111 includes a first LAN (Local Area Network) terminal 121, a second LAN terminal 122, a USB (Universal Serial Bus) terminal 123, and an i. A LINK terminal 124 is provided.

  Among these, the first LAN terminal 121 is used as a LAN-compatible HDD dedicated port, and information is transferred to the LAN-compatible HDD 125 which is a NAS (Network Attached Storage) by Ethernet (registered trademark). Used for recording and playback.

  Thus, by providing the first LAN terminal 121 as a LAN-compatible HDD dedicated port, program information can be recorded on the HDD 125 with high-definition image quality without being affected by other network environments or network usage conditions. It can be performed stably.

  The second LAN terminal 122 is used as a general LAN-compatible port using Ethernet (registered trademark). For example, the LAN-compatible HDD 127, the content server 128, and the HDD built-in are provided via the hub 126. It is used to connect devices such as a DVD (Digital Versatile Disk) recorder 129 and transmit information with these devices.

  The content server 128 is a UPnP (universal plug) having a function for operating as a content server device in a home network and a service for providing URI (Uniform Resource Identifier) information necessary for content access. And play) is configured as a compatible device.

  As for the DVD recorder 129, since the digital information communicated via the second LAN terminal 122 is information only for the control system, analog video and audio information is exchanged with the digital television broadcast receiver 111. In order to transmit, it is necessary to provide a dedicated analog transmission line 130.

  Further, the second LAN terminal 122 is connected to a network 132 such as the Internet via a broadband router 131 connected to the hub 126, and information is transmitted to the content server 133, the mobile phone 134, etc. via the network 132. Used to make transmissions.

  The content server 133 is configured as a UPnP-compatible device having a function for operating as a content server device, and further including a service for providing URI information necessary for content access.

  The USB terminal 123 is used as a general USB-compatible port. For example, a mobile phone 136, a digital camera 137, a card reader / writer 138 for a memory card, an HDD 139, a keyboard 140, etc. via a hub 135. USB devices are connected to each other and used for information transmission with these USB devices.

  Further, i. The LINK terminal 124 is used to serially connect, for example, an AV-HDD 141, a D (Digital) -VHS (Video Home System) 142, and the like and perform information transmission with these devices.

FIG. 2 shows a main signal processing system of the digital television broadcast receiving apparatus 111 described above.
That is, the satellite digital television broadcast signal received by the BS / CS digital broadcast receiving antenna 243 is supplied to the satellite digital broadcast tuner 245 a via the input terminal 244.

  The tuner 245a selects a broadcast signal of a desired channel based on a control signal from the control unit 261, and outputs the selected broadcast signal to a PSK (Phase Shift Keying) demodulator 245b.

  The PSK demodulator 245b demodulates the broadcast signal selected by the tuner 245a according to a control signal from the control unit 261, obtains a transport stream including a desired program, and outputs the transport stream to the TS decoder 245c.

  The TS decoder 245c is obtained by performing TS decoding processing on a signal multiplexed with a transport stream (TS) by a control signal from the control unit 261, and depacking a digital video signal and an audio signal of a desired program. A PES (Packetized Elementary Stream) is output to the STD buffer 247 f in the signal processing unit 247.

In addition, the TS decoder 245c outputs section information transmitted by digital broadcasting to the section processing unit 247h in the signal processing unit 247.
The terrestrial digital television broadcast signal received by the terrestrial broadcast receiving antenna 248 is supplied to the terrestrial digital broadcast tuner 250 a via the input terminal 249.

  The tuner 250a selects a broadcast signal of a desired channel based on a control signal from the control unit 261, and outputs the selected broadcast signal to an OFDM (Orthogonal Frequency Division Multiplexing) demodulator 250b.

  The OFDM demodulator 250b demodulates the broadcast signal selected by the tuner 250a based on the control signal from the control unit 261, obtains a transport stream including a desired program, and outputs the transport stream to the TS decoder 250c.

  The TS decoder 250c is obtained by performing TS decoding processing on a signal multiplexed with a transport stream (TS) by a control signal from the control unit 261, and depacking a digital video signal and an audio signal of a desired program. A PES (Packetized Elementary Stream) is output to the STD buffer 247 f in the signal processing unit 247.

In addition, the TS decoder 250c outputs section information transmitted by digital broadcasting to the section processing unit 247h in the signal processing unit 247.
Here, the signal processing unit 247 selectively performs predetermined digital signal processing on the digital video signal and the audio signal respectively supplied from the TS decoder 245c and the TS decoder 250c when watching TV. The data is output to the graphic processing unit 254 and the audio processing unit 255. The signal processing unit 247 selects a content reproduction signal input from the control unit 261 during content reproduction, performs predetermined digital signal processing, and outputs the signal to the graphic processing unit 254 and the audio processing unit 255.

  The control unit 261 receives various data for acquiring a program, electronic program guide (EPG) information, program attribute information (program genre, etc.), subtitle information (service information, SI, PSI) from the signal processing unit 247. Have been entered.

The control unit 261 performs image generation processing to display EPG and subtitles from the input information, and outputs the generated image information to the graphic processing unit 254.
The section processing unit 247h includes various data for acquiring a program, electronic program guide (EPG) information, program attribute information (program genre, etc.), subtitles from the section information input from the TS decoder 245c (250c). Information or the like (service information, SI or PSI) is output to the control unit 261.

  The graphic processor 254 includes (1) a digital video signal supplied from the AV decoder 247g in the signal processor 247, (2) an OSD signal generated by the OSD (On Screen Display) signal generator 257, ( 3) A function of synthesizing image data obtained by data broadcasting and (4) the EPG and subtitle signal generated by the control unit 261 and outputting the synthesized result to the video processing unit 258.

  Further, when displaying a caption by caption broadcasting, the graphic processing unit 254 performs a process of superimposing the caption information on the video signal based on the caption information controlled by the control unit 261.

  The digital video signal output from the graphic processing unit 254 is supplied to the video processing unit 258. The video processing unit 258 converts the input digital video signal into an analog video signal in a format that can be displayed on the video display 114, and then outputs the analog video signal to the video display 114 to display the video. 259 to the outside.

  The audio processing unit 255 converts the input digital audio signal into an analog audio signal in a format that can be reproduced by the speaker 115, and then outputs the analog audio signal to the speaker 115 for audio reproduction. Through the outside.

  Here, in the digital television broadcast receiving apparatus 111, all operations including the above-described various receiving operations are comprehensively controlled by the control unit 261. The control unit 261 includes a CPU (Central Processing Unit) or the like, receives operation information from the operation unit 116, or receives operation information sent from the remote controller 117 via the light receiving unit 118. Each part is received and controlled so that the operation content is reflected.

  In this case, the control unit 261 mainly includes a ROM (Read Only Memory) 261a that stores a control program executed by the CPU, a RAM (Random Access Memory) 261b that provides a work area for the CPU, and various setting information. And a non-volatile memory 261c in which control information and the like are stored.

  The control unit 261 is connected to a card holder 266 to which the first memory card 119 can be attached via a card I / F (Interface) 265. As a result, the control unit 261 can transmit information to the first memory card 119 mounted on the card holder 266 via the card I / F 265.

  Further, the control unit 261 is connected via a card I / F 267 to a card holder 268 in which the second memory card 120 can be mounted. Thus, the control unit 261 can transmit information to the second memory card 120 mounted on the card holder 268 via the card I / F 267.

  The control unit 261 is connected to the first LAN terminal 121 via the communication I / F 269. Accordingly, the control unit 261 can transmit information to the LAN-compatible HDD 125 connected to the first LAN terminal 121 via the communication I / F 269. In this case, the control unit 261 has a DHCP (Dynamic Host Configuration Protocol) server function, and performs control by assigning an IP (Internet Protocol) address to the LAN-compatible HDD 125 connected to the first LAN terminal 121.

  Further, the control unit 261 is connected to the second LAN terminal 122 via the communication I / F 270. Accordingly, the control unit 261 can transmit information to each device (see FIG. 1) connected to the second LAN terminal 122 via the communication I / F 270.

  The control unit 261 is connected to the USB terminal 123 via the USB I / F 271. Accordingly, the control unit 261 can transmit information to each device (see FIG. 1) connected to the USB terminal 123 via the USB I / F 271.

  Further, the control unit 261 is configured to i. Through the LINK I / F272 i. The LINK terminal 124 is connected. As a result, the control unit 261 performs i. Each device (see FIG. 1) connected to the LINK terminal 124; i. Information can be transmitted via the LINK I / F 272.

  By the way, in this embodiment, a registration file in which storage IDs (including an IP address and a device name) assigned to the HDD 125, HDD 127, content server 128, and DVD recorder 129 at the time of initial registration are stored in the HDD 125 is stored and held. Yes.

In addition, the storage IDs of the HDD 125, the HDD 127, the content server 128, and the DVD recorder 129 are stored in the nonvolatile memory 261c.
The control unit 261 includes (1) a server device discovery function 261d using UPnP, (2) a content information acquisition function 261e using UPnP, and (3) a content access control function 261f as functions related to the present invention. And.

  (1) The control unit 261 uses the UPnP discovery function to discover UPnP compatible devices on the network by using the server device discovery function 261d. For example, the server device discovery function 261d discovers the content server 128 using the UPnP discovery function.

  (2) The control unit 261 controls the UPnP compatible device using the UPnP control function by the content information acquisition function 261e, and acquires URI information necessary for accessing the content in the UPnP compatible device. For example, the content information acquisition function 261 e controls the content server 128 and acquires from the content server 128 URI information necessary for accessing content stored in an HDD or the like in the content server 128.

  (3) The control unit 261 uses the content access control function 261f to obtain the IP address information of the server device acquired by the server device discovery function 261d, the IP address information acquired from the URI information acquired by the content information acquisition function 261e, and the digital Based on the IP address and netmask assigned to the LAN terminal 122 of the television broadcast receiver 111, it is determined whether or not the content can be accessed. If the control unit 261 determines that access is permitted, the control unit 261 allows the content access to be permitted.

Next, processing at the start of recording a television program on a recording medium such as an HDD will be described with reference to FIG. 3 and subsequent drawings.
FIG. 3 is a diagram illustrating a layout of buttons of the remote controller 117. The remote controller 117 outputs a control signal corresponding to the button pressed by the user to the digital television broadcast receiving apparatus 111 using infrared rays or the like. The remote controller 117 includes a short time button 301 used for a short time function to be described later, an operation button 310 for operating content recorded in the HDD 125, a broadcast media switching button 320 for switching broadcast media, and a channel for channel switching. It has a switching button 330 and the like.

FIG. 4 is a flowchart showing an operation when the control unit 261 displays a message on the video display 114 when performing a recording referred to as a time recording.
5 to 8 are diagrams showing examples of display screens for explaining messages displayed on the video display 114 by the control unit 261.
When the user presses a little time button 301 on the remote controller 117, the control unit 261 in the digital television broadcast receiving apparatus 111 receives a control signal for slightly starting time recording from the remote controller 117 (step S401).

  The control unit 261 in the digital television broadcast receiving apparatus 111 that has received the control signal from the remote controller 117 starts preparations for recording the program that the user is currently viewing on the HDD 125, as shown in FIG. A message 501 indicating that the time recording operation has just started and a message 502 indicating that the time recording operation is being prepared are displayed on the video display 114 (step S402).

  The control unit 261 in the digital television broadcast receiving apparatus 111 determines whether or not the time recording is ready and recording of the program data to the HDD 125 is started (step S403).

  If the actual program data starts to be recorded in the HDD 125 in step S403, a message 601 indicating that the program data recording by the time recording is slightly started is displayed on the video display 114 as shown in FIG. Step S404).

  Next, the control unit 261 in the digital television broadcast receiving apparatus 111 determines whether or not preparation for so-called chasing playback (chasing playback, time shift processing for simultaneous recording and playback) during time recording is completed. (Step S405).

  If it is a little time recording in step S405 and preparation for chasing playback is completed, as shown in FIG. 7, the time button 301 of the remote controller 117 is further pressed as compared with FIG. A message 701 is additionally displayed (step S406) indicating that it is possible to perform chasing playback back to the beginning of the time recording.

  Then, after one minute has elapsed since the display in step S406 (YES in step S406), as shown in FIG. 8, the message is switched to a small simplified message that is simplified compared to FIG. 7 (step S408). . Note that this simplified message is not simplified, and the effect of the present invention can be obtained by simply making a small message.

The above is the recording operation of time recording. Next, the playback operation of time recording will be described.
When the user presses the little time button 301 of the remote controller 117 after the display in step S406 during the little time recording, the chasing playback is performed by returning to the beginning of the time recording. As a result, the chasing playback is started. At the time of this reproduction, the images after step S404 that have been recorded at the time of recording the program are reproduced properly.

  As described above, according to the present invention, when program recording is started, it is possible to accurately know the position where program data is actually recorded on the recording medium, and the position where the recording start message is displayed during recording is always reproduced. Can be done.

(Modification)
If preparation for recording on the HDD is completed within a predetermined time (for example, 3 seconds), instead of the determination in step S403, for example, the determination in step S903 shown in FIG. After the start of the operation (or after receiving a control signal for starting a little time recording from the remote controller 117), after a predetermined time (for example, 3 seconds) after taking into account the delay required for video processing inside the receiver Moving to step S404, as shown in FIG. 6, a message 601 indicating that recording of data of a program by time recording is started may be displayed on the video display 114.

  In the above description, a predetermined time period (for example, 3 seconds) after considering the delay required for video processing inside the receiver is used. However, if it takes time to prepare a recording medium such as an HDD, In addition, it may be after a predetermined time considering the delay required for preparation for recording on the recording medium.

  Even with the above, it is possible to accurately know the position where the program data is actually recorded on the recording medium when the program recording is started, and to always reproduce the position where the recording start message is displayed during recording. can do.

In the above description, the message is displayed on the video display 114. However, instead of this, the user may be notified of the step S404 using an LED or the like as in the conventional case.
The message referred to in the present invention is not limited to characters. In addition to characters, it may be a message using a graphic or an icon.
Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined. For example, the first embodiment and the second embodiment may be combined and a genre and a channel may be combined as desired program attributes.

The figure for demonstrating the external appearance of the digital television broadcast receiver 111 to which this invention is applied, and the network system comprised centering on this digital television broadcast receiver 111. FIG. The figure which shows the main signal processing systems of the digital television broadcast receiver. The figure which shows the layout of the button of Ricoh and the controller 117. It is a flowchart which shows operation | movement when the control part 261 displays a message on the video display 114, when performing recording called a little time recording. The figure which shows the example of the display screen for demonstrating the message which the control part 261 displays on the video display. The figure which shows the example of the display screen for demonstrating the message which the control part 261 displays on the video display. The figure which shows the example of the display screen for demonstrating the message which the control part 261 displays on the video display. The figure which shows the example of the display screen for demonstrating the message which the control part 261 displays on the video display. It is a flowchart which shows operation | movement when the control part 261 displays a message on the video display 114, when performing recording called a little time recording.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 111 ... Digital television broadcast receiver, 112 ... Cabinet, 113 ... Support stand, 114 ... Video display, 115 ... Speaker, 116 ... Operation part, 117 ... Remote controller, 118 ... Light receiving part, 119 ... First memory card 120 ... second memory card 121 ... first LAN terminal 122 ... second LAN terminal 123 ... USB terminal 124 ... i. LINK terminal, 125, 127, 139 HDD, 126, 135 hub, 128, 133 content server, 129 DVD recorder, 130 analog transmission path, 131 broadband router, 132 network, 134, 136 mobile phone 137: Digital camera, 138: Card reader / writer, 140: Keyboard, 141: AV-HDD, 142: D-VHS.

Claims (6)

Receiving means for receiving a program;
Recording means for recording the received program;
Detecting means for detecting that the program has started to be recorded on a recording medium;
A recording apparatus comprising: notification means for notifying a user that recording of the program has started on a recording medium after the detection means detects that recording has started. Receiving means for receiving a program;
Recording means for recording the received program;
A recording apparatus comprising: notification means for notifying a user that recording of the program has started on a recording medium after a lapse of a waiting time considering delay due to video processing inside the receiver.   3. A display means for displaying a message indicating that the preparation has been completed when the preparation for the time shift reproduction by the simultaneous recording and reproduction processing on the recording medium is completed. The recording device described in 1.   4. The recording apparatus according to claim 3, further comprising control means for controlling the displayed message to be a simplified message after a predetermined time has elapsed. The program is received by the receiving means,
Record the received program by recording means,
Detecting that the program has started recording the recording medium on a recording medium;
A recording method comprising: notifying a user that recording of the program has been started on a recording medium after the detecting means detects that the recording has been started by a notifying means. The program is received by the receiving means,
Recording the received program by a recording means;
A recording method comprising: notifying a user that recording of the program has started on a recording medium after a waiting time has elapsed in consideration of a delay due to video processing inside the receiver by a notification means.

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