JP4212531B2 - Recording method, moving picture recording apparatus and recording system - Google Patents

Description

  The present invention relates to a recording method for generating moving image data and recording the generated moving image data in a moving image recording device in a moving image generating device for generating moving image data for displaying moving images, a moving image recording device to which the recording method is applied, and More specifically, the present invention relates to a recording method, a moving image recording apparatus, and a recording system for recording moving image data generated by a digital video camera on a recording medium such as a hard disk or a digital multipurpose disk.

  Moving image generation devices such as digital video cameras that generate moving image data for displaying moving images based on imaging have become widespread, and can be generated by connecting using transmission lines defined by communication standards such as IEEE 1394. Various moving picture recording apparatuses that record moving picture data generated by the apparatus on a recording medium such as a hard disk or a digital versatile disc (hereinafter referred to as DVD) are also widely used (see, for example, Patent Document 1). ).

In the video recording device, video data is recorded as a file. When an operator operating the video playback device performs file management operations such as playback, editing, and deletion, the video data is added to the recorded video data. Related data related to the generation of moving image data, specifically, the generation date and time, file name, playback time, and various related data such as a thumbnail indicating an image at the start of playback can be displayed on the management work screen. it can.
JP-A-9-149355

  However, since the display of the related data related to the moving image data recorded in the moving image recording apparatus is limited to the management work, the related data cannot be displayed during the reproduction of the moving image. On the other hand, there is a problem that sufficient functions are not necessarily provided.

  The present invention has been made in view of such circumstances, and in a video recording device that receives video data generated by the video generation device, the related data added to the received video data is extracted and the extracted relationship A video recording method capable of providing a new usage method of a video recording device to an operator by generating composite video data for displaying a video in which data is synthesized, a video recording device to which the video recording method is applied, Another object of the present invention is to provide a recording system using the moving picture recording apparatus.

The video recording method according to the present invention generates video data with date and time data indicating the generation date and time generated in a video generation device that generates video data for displaying a video, sends the generated video data to the video recording device, in the recording method of recording moving image data received by the moving picture recording apparatus, the moving picture recording apparatus extracts the date and time data from the moving image data received, the extracted date data, time and date display data for displaying the date and / or time And the synthesized display data is combined with the moving image data to generate combined moving image data. The date and / or time based on the date and time data added to the received moving image data is used as the name of the generated combined moving image data. The generated synthetic moving image data is recorded on a built-in recording medium or a removable recording medium .

In the present invention, a moving image recording device such as a hard disk recorder that accepts moving image data generated by a moving image generating device such as a digital video camera generates combined moving image data by combining related data such as the date and time when the moving image data was generated with a moving image. As a result, when a video based on the generated composite video data is played, the related data is displayed on the video being played, so the operator can view the related data while playing the video, This makes it possible to provide a new method for using the moving picture recording apparatus. The present invention can be applied to various devices such as a hard disk recorder with built-in hard disk, a DVD recorder, and a Blu-ray disk recorder. Furthermore, the present invention generates moving image data only by looking at a list of recorded moving image data, for example, by naming the date and / or time when the moving image data was generated instead of the date and time when the moving image data was recorded. It is possible to grasp the date and time, and therefore it is possible to improve the convenience for the operator.

The moving image recording apparatus according to the present invention receives moving image data for displaying moving images from the outside, and in the moving image recording apparatus that records the received moving image data, date and time data indicating a generation date and time is added to the received moving image data in advance. And means for extracting date / time data from the received video data, means for converting the extracted date / time data into date / time display data for displaying the date and / or time, and synthesizing the converted date / time display data into the video data. Means for generating synthesized moving image data; and medium recording means for recording the generated synthesized moving image data on a built-in recording medium or a removable recording medium. The medium recording means is added to the received moving image data. the date and / or time based on which was time data, that is arranged to record on the recording medium as the name of the synthetic moving image data Patent To.

In the present invention, a moving image based on the generated combined moving image data is generated by generating combined moving image data in which the date and time based on the date and time data added to the moving image data received from the moving image generating device such as a digital video camera is combined with the moving image. When played back, the date and time are displayed on the video that is being played back, so the operator can view the date and time that the video was generated during playback of the video, which makes it possible for the operator to It becomes possible to provide a method. The present invention can be applied to various devices such as a hard disk recorder with built-in hard disk, a DVD recorder, and a Blu-ray disk recorder. Furthermore, the present invention generates moving image data only by looking at a list of recorded moving image data, for example, by naming the date and / or time when the moving image data was generated instead of the date and time when the moving image data was recorded. It is possible to grasp the date and time, and therefore it is possible to improve the convenience for the operator.

A video recording system according to the present invention includes the moving picture recording apparatus according to the present invention and a moving picture generating apparatus capable of communicating with the moving picture recording apparatus, and the moving picture generating apparatus adds moving picture data to which date / time data indicating a generation date / time is added. Generating means, and means for sending the generated moving picture data to the moving picture recording apparatus.

  In the present invention, a moving image recording device such as a hard disk recorder that receives moving image data generated by a moving image generating device such as a digital video camera generates combined moving image data by combining the date and time when the moving image data was generated with a moving image. When a video based on the generated composite video data is played, the date and time when the video was generated is displayed on the played video, so the operator can view the date and time during video playback It becomes.

Recording system according to the present invention, the pre-Symbol moving image generating apparatus further comprises an imaging means, said generating means is characterized in that is arranged to generate a moving image data based on the imaging of the imaging unit.

  The present invention can be applied to a digital video camera.

  In the recording method, the moving image recording apparatus, and the recording system of the present invention, the moving image generation apparatus such as a digital video camera generates moving image data to which related data such as the imaging date and time is added, and the generated moving image data is converted into a moving image such as a hard disk recorder. Send to recording device. Then, the moving image recording apparatus extracts the related data from the received moving image data, converts the extracted related data into display data for display, and synthesizes it with the moving image data. For example, synthesized moving image data for displaying the shooting date and time is generated, and the generated synthesized moving image data is recorded on a recording medium such as a built-in hard disk or a removable DVD.

  With this configuration, when a moving image based on the recorded synthetic moving image data is reproduced, related data is displayed as display data such as the shooting date and time on the reproduced moving image. Therefore, an operator who operates the moving image recording apparatus Provides an excellent effect such that it is possible to visually recognize the related data during the reproduction of the moving image, and to provide a new usage method of the moving image recording apparatus to the operator.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.

  FIG. 1 is an explanatory diagram conceptually showing the recording system of the present invention. In FIG. 1, reference numeral 1 denotes a moving image generating device such as a digital video camera. The moving image generating device 1 is a hard disk recorder, a DVD recorder, a Blu-ray disc recorder, or the like via a transmission line defined by a communication standard such as IEEE1394. The video recording device 2 is connected. The moving image generating device 1 generates moving image data for displaying a moving image based on imaging, and transmits (sends) the generated moving image data to the moving image recording device 2. In the moving picture recording apparatus 2, the moving picture data received (received) from the moving picture generating apparatus 1 is recorded on a recording medium such as a built-in hard disk, a removable DVD, a Blu-ray disc, and the moving picture data recorded on the recording medium. Is reproduced, and a reproduction process for displaying a moving image based on the read moving image data on the display device 3 such as a television monitor is executed.

  FIG. 2 is a block diagram showing a configuration of the moving image generating apparatus 1 used in the moving image system of the present invention. The moving image generating apparatus 1 includes a control unit 10 such as a CPU that controls the entire apparatus, and various hardware and software cooperate to execute various processes based on the control of the control unit 10.

  The moving image generating apparatus 1 includes an imaging unit 11 using an imaging element such as a CCD (Charge Coupled Device). The imaging unit 11 generates an analog image signal based on the imaging, and the generated analog image signal is a digital image. The signal is A / D converted and stored in the storage means 12 such as SDRAM.

  The moving image generating apparatus 1 sends the digital image signal recorded in the storage unit 12 to the moving image data generating unit 13, and the moving image data generating unit 13 generates moving image data from the received digital image signal. Imaging by the imaging unit 11 is performed at a frequency of 15 times, 30 times, etc. per second, and a plurality of digital image signals generated based on the imaging are generated by the moving image data generation unit 13 at 15 FPS (Frame Per Second). , Converted into moving image data for displaying a moving image of a frame rate such as 30 FPS. The generated moving image data is subjected to compression encoding processing based on an encoding method such as MPEG (Moving Picture Experts Group).

  Furthermore, the moving image generating apparatus 1 includes date and time instruction means 14 for instructing the date and time, and sends the date and time indicated by the date and time instruction means 14, that is, the date and time to the moving image data generating means 13 as date and time data. The moving image data generation means 13 adds the date and time received from the date and time instruction means 14 to the moving image data. The date and time added to the moving image data indicates the date and time when the moving image data is generated, that is, the imaging date and time. The moving image data generated by the moving image data generating unit 13 is sent to the auxiliary storage unit 15 that accesses the recording medium 100 such as an SD memory card (Secure Digital Memory Card), and is recorded on the recording medium 100 by the auxiliary storage unit 15. The

  The moving image generating apparatus 1 also includes image control means 16 such as a video controller that performs control related to images. The image control means 16 reads a digital image signal stored in the storage means 12 and converts the read digital image signal into a video signal. The converted video signal is output to the display means 17 such as a liquid crystal viewer, and the display means 17 displays an image based on the video signal.

  Further, the moving image generating apparatus 1 includes various switches that accept the operation of the operator, operation means 18 such as push buttons, and connection means 19 for connecting a transmission line defined by a communication standard such as IEEE1394.

  FIG. 3 is a block diagram showing the configuration of the moving picture recording apparatus 2 used in the moving picture system of the present invention. The moving image recording apparatus 2 includes a control unit 20 such as a CPU that controls the entire apparatus, and various hardware and software cooperate to execute various processes based on the control of the control unit 20.

  The moving picture recording apparatus 2 includes connection means 21 for connecting a transmission line, an internal recording medium 22 such as an internal hard disk, and an auxiliary storage means 23 for accessing a removable recording medium 200 such as a DVD or a Blu-ray disc. The moving image data transmitted from the moving image generating apparatus 1 is received via the transmission line connected to the connection means 21, and the received moving image data is recorded in the built-in recording medium 22 or the portable recording medium 200.

  In addition, the moving image recording apparatus 2 includes a decoding unit 24 that decodes compression-encoded moving image data, an image combining unit 25 such as an on-screen display that combines various information with an externally output image, a video controller, and the like. Image control means 26 and output means 27 connected to the display device 3. The moving image recording apparatus 2 reads out the moving image data recorded in the built-in recording medium 22 or the portable recording medium 200, decodes the read moving image data in the decoding unit 24, and uses the image combining unit 25 as necessary. After combining various information, the image control means 26 converts the information into a video signal, and the converted video signal is output from the output means 27 to the display device 3.

  Furthermore, the moving image recording apparatus 2 includes operation means 28 such as various switches and push buttons for accepting the operation of the operator.

  Next, processing of various devices used in the recording system of the present invention will be described. FIG. 4 is a flowchart showing the moving image generating process of the moving image generating apparatus 1 used in the recording system of the present invention. When the operator who operates the moving image generating device 1 performs a predetermined imaging operation, the moving image generating device 1 starts the moving image generating process. Under the control of the control unit 10, the video generation device 1 generates video data to which date / time data indicating the generation date / time is added based on the imaging of the imaging unit 11 (S101), and the generated video data is compressed and recorded. Recording is performed on the medium 100 (S102). The moving image data is generated by the moving image data generating unit 13 and the date / time data sent from the date / time indicating unit 14 is added. In addition to the date and time data, various related data relating to generation of imaging conditions, a title (file name) input in advance, and the like are added to the generated moving image data.

  FIG. 5 is a flowchart showing the moving image transmission process of the moving image generating apparatus 1 and the synthesized moving image generating process of the moving image recording apparatus 2 used in the recording system of the present invention. The moving image generating apparatus 1 reads out moving image data recorded on the recording medium 100 under the control of the control means 10 (S201), and transmits the read moving image data from the connecting means 19 to the moving image recording apparatus 2 via a transmission line. (S202).

  Under the control of the control means 20, the moving picture recording apparatus 2 receives the moving picture data transmitted via the transmission line (S203), and the received moving picture data is decoded by the decoding means 24 (S204). The date / time data added to the moving image data is extracted (S205), and the extracted date / time data is converted into date / time display data for displaying the date / time, that is, the date and time (S206). Since the date / time data added to the moving image data is data indicating the date / time signal output from the date / time instruction means 14 in a binary number sequence, the processing in step S206 can be understood by a person “2004 8 The data is converted into date display data such as “Monday 22:25”. The date display data may be any image that can be understood by a person, and can be developed in various forms. For example, instead of converting into a character such as “3:25 pm”, it may be converted into an image imitating a picture of a clock. The date display data may be configured to display only one of the date and time.

  Under the control of the control unit 20, the moving image recording apparatus 2 combines the date and time display data converted by the image combining unit 25 with the moving image data to generate combined moving image data (S 207), and the generated combined moving image data is incorporated. Recording is performed on the recording medium 22 or the portable recording medium 200 (S208). In addition, when recording synthetic | combination moving image data in step S208, a compression encoding process is made | formed with respect to synthetic | combination moving image data. When the date / time data is data indicating a time per minute, the moving image recording apparatus 2 generates date / time display data indicating a different time for each moving image corresponding to one minute, and performs a synthesizing process. When it is not necessary to synthesize the date and time display data, by performing a predetermined operation, the process of generating the combined moving image data shown in steps S204 to S207 is not executed, and the moving image data received from the moving image generating apparatus 1 is not changed. It is recorded on the built-in recording medium 22 or the portable recording medium 200. In the synthesized moving image data, a title (file name) input in advance in the moving image generating device 1 is recorded as a name, but if the name at the time of recording is not input, the date and time data added to the moving image data is added. The base date and / or time is recorded as the name of the composite video data.

  Based on the operation of the operator, the moving image recording device 2 reads out the combined moving image data recorded in the built-in recording medium 22 or the portable recording medium 200, and the read out combined moving image data is converted into a video signal by the image control means 26. And the output unit 27 outputs the video to the display device 3 so that the display device 3 displays a video based on the composite video data.

  FIG. 6 is an explanatory diagram showing a moving image displayed on the display device 3 based on the combined moving image data generated and recorded by the moving image recording apparatus 2 of the present invention. As shown in FIG. 6, the synthesized moving image data synthesized by the image synthesizing means 25 is data for displaying a moving image displaying the date and time based on the date and time display data on the front layer of the original moving image displayed based on the moving image data. It is. That is, as shown in FIG. 6, an image of a player who is playing golf is displayed as an image (moving image) based on the original moving image data in the moving image displayed on the display device 3 based on the combined moving image data. In the upper left of the screen, the date and time display data “August 22, 2004 3:25 pm”, which is the generation date and time of the moving image data, that is, the imaging date and time, is shown. Since the date and time display data is synthesized with the layer in front of the original moving image, it is always displayed regardless of display conditions such as the display content and display status of the moving image.

  In the above-described embodiment, the date / time data is combined with the moving image data. However, the present invention is not limited to this, and various relations related to generation of imaging conditions, titles (file names), and the like added to the moving image data. Data can be converted into display data for display, and the converted display data can be combined with moving image data to generate combined moving image data. The imaging conditions indicate various conditions relating to imaging such as magnification, white balance, and frame rate during imaging.

It is explanatory drawing which shows notionally the video recording system of this invention. It is a block diagram which shows the structure of the moving image production | generation apparatus used with the moving image system of this invention. It is a block diagram which shows the structure of the moving image recording device used with the moving image system of this invention. It is a flowchart which shows the moving image production | generation process of the moving image production | generation apparatus used with the video recording system of this invention. It is a flowchart which shows the moving image transmission process of the moving image production | generation apparatus used in the video recording system of this invention, and the synthetic | combination moving image production | generation process of a moving image recording device. It is explanatory drawing which shows the moving image displayed on a display apparatus based on the synthetic | combination moving image data produced | generated and recorded with the moving image recording device of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Moving image production | generation apparatus 10 Control means 11 Imaging means 13 Moving image data production | generation means 2 Moving image recording apparatus 20 Control means 22 Built-in recording medium 24 Decoding means 25 Image composition means 200 Portable recording medium 3 Display apparatus

Claims (4)

A moving image generating device that generates moving image data for displaying moving images generates moving image data to which date / time data indicating the generation date / time is added, sends the generated moving image data to the moving image recording device, and the moving image received by the moving image recording device In a recording method for recording data,
The video recording device
Extract date / time data from the received video data,
Convert the extracted date / time data into date / time display data that displays the date and / or time ,
Combining the converted display data with video data to generate composite video data ,
The date and / or time based on the date and time data added to the received moving image data is used as the name of the generated combined moving image data, and the generated combined moving image data is recorded on a built-in recording medium or a removable recording medium. A recording method characterized by the above. In a video recording device that accepts video data for displaying a video from outside and records the received video data,
The received video data is pre-attached with date / time data indicating the date / time of generation,
Means for extracting date and time data from the received video data;
Means for converting the extracted date / time data into date / time display data for displaying the date and / or time;
Means for synthesizing the converted date and time display data with video data to generate composite video data ;
Medium recording means for recording the generated synthetic moving image data on a built-in recording medium or a removable recording medium;
With
The medium recording means is configured to record a date and / or time based on the date and time data added to the received moving image data on a recording medium as the name of the combined moving image data. apparatus. A moving picture recording apparatus according to claim 2 ;
A moving image generating device capable of communicating with the moving image recording device,
The video generation device
Generation means for generating moving image data to which date / time data indicating generation date / time is added;
Means for sending the generated moving image data to the moving image recording apparatus. The moving image generating device includes:
Further comprising an imaging means,
The recording system according to claim 3 , wherein the generation unit is configured to generate moving image data based on imaging by the imaging unit.