JP2009080880A - Information recording device and information recording method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an information recording device capable of restoring data when the unrecordable data are generated in a period during the recording operation to an optical disk. <P>SOLUTION: The information recording device, in which time-sequentially changing input data are recorded on the optical disk to be loaded on an optical disk drive, comprises: a recordable/unrecordable judging section 123 for judging whether the recording to a first optical disk loaded on the optical disk drive is possible or not; a recording section 122 for recording the input data to be input in a period judged as recordable by the recordable/unrecordable judging section 123 to the first optical disk and for recording the input data to be input in a period judged as unrecordable by the judging section 123 to a substitute recording medium; and a recording restoration section 124 for reading out first recording data recorded on the first optical disk and second recording data recorded on the substitute recording medium and for recording the first recording data and second recording data to a second optical disk loaded on the optical disk drive. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an information recording apparatus and an information recording method.

  For example, during a recording operation on an optical disc such as a DVD in a DVD video camera device, refocusing of the focus servo and tracking servo, seek processing, etc. are required due to the influence of impact or the like. When such a situation occurs remarkably, a buffer overflow of recording data occurs.

  In Patent Document 1, data that could not be recorded on the optical disk is recorded in the non-volatile memory as an alternative, and then, for example, at the end of shooting or intermittent pause, from the non-volatile memory that was recorded in the alternative to a desired location on the optical disk. The method of re-recording is described.

  Further, the inability to record on the optical disc may occur not only due to the impact or the like, but also due to the fact that there is a large scratch or dirt on the optical disc, making it impossible to access a desired position. In such a case, in a DVD-RAM medium, if there is a part that is not suitable for recording / reproduction due to a defect or the like, a means that allows data to be saved in a DMA (Detect Management Area) in the medium according to the standard of the medium. Have. In the file system layer, important data can be saved in another area in the same medium.

JP 2005-175567 A

  By the above-described method, when unrecordable data is generated due to impact, scratches or dirt on the disc itself, it can be repaired. However, when predetermined data must be recorded at a predetermined place on the disc, the above method cannot be used. Examples of such data include management information for DVD media.

  FIG. 5 is a diagram showing the configuration of the recording area of the DVD medium. As shown in FIG. 5, the recording area of the DVD medium includes a user area where a user can write data, and a lead-in area and a lead-out area across the user area. The lead-in area is an area where management information unique to the medium is recorded at the head of the medium. The drive recognizes the disc by first reading the information recorded in the lead-in area.

  FIG. 6 is a diagram showing a part of the configuration of the lead-in area of each DVD medium. As an example of data that must be recorded at a predetermined location on the above-described disc, a control data area, which is one piece of information recorded in the lead-in area, will be described.

  As shown in FIG. 6, the control data area exists in the same area in the lead-in area of all DVD media including the DVD-ROM. Control data is a collection of information related to the medium, and a data area indicating a type of medium called a book type is included in the control data. A DVD player or a DVD recorder obtains information such as a media type by obtaining data in the control data area.

  For DVD-ROM, DVD-RAM, DVD-R, and DVD-RW, control data already exists when purchased by a general consumer. For DVD + R and DVD + RW, media is recorded by a DVD recorder or the like during data recording. Is written to. Also, since the control data does not have an alternative area, if a DVD video camera or the like cannot record the control data due to impact, media scratches, dirt, etc., the video and audio that have been shot up to that point when playing the DVD Falls into a situation where it cannot be played.

  Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to generate unrecordable data due to impacts, scratches on media, dirt, etc. during recording on an optical disc. It is an object of the present invention to provide a new and improved information recording apparatus and information recording method capable of restoring data in such a case.

  In order to solve the above problems, according to an aspect of the present invention, there is provided an information recording apparatus that includes an optical disk drive and records input data that changes in time series on an optical disk loaded in the optical disk drive. A recording enable / disable determining unit that determines whether or not recording on the first optical disc is possible, and input data that is input during the period determined to be recordable by the recording enable / disable determining unit is recorded on the first optical disc, A recording unit that records input data input during a period in which it is determined that recording is not possible by the recording capability determining unit on an alternative recording medium that replaces the first optical disc, and first recording data that is recorded on the first optical disc And the second recording data recorded on the alternative recording medium, and the first recording data and the second recording data are read from the second optical disk loaded in the optical disk drive. Information recording apparatus comprising: a recording restoration unit for recording the recording data, it is provided.

  According to such a configuration, it is possible to restore the recording even if the data does not have another area for the alternative recording of the data that failed to be recorded, such as the control data, and cannot be restored by the conventional method. Even in such a case, it becomes possible to restore the data on the disc.

  The recording unit records the recording position of the first recording data on the first optical disc and the recording position of the first optical disc on which the second recording data is to be recorded on the alternative recording medium, and a recording restoration unit May record the first and second recording data on the second optical disk based on the recording positions of the first and second recording data recorded on the alternative recording medium.

  The recording unit records the recording position of the first recording data on the alternative recording medium after the first recording data is recorded and before the first optical disk is ejected from the optical disk drive. Also good.

  Further, the alternative recording medium may be a non-volatile recording medium.

  Further, the alternative recording medium may be detachable from the information recording apparatus.

  In order to solve the above problem, according to another aspect of the present invention, in an information recording apparatus including an optical disc drive, an information recording method for recording time-varying input data on an optical disc loaded in the optical disc drive. In the recording possibility determination stage for determining whether or not recording on the first optical disk loaded in the optical disk drive is possible, the input data input during the period determined to be recordable in the recording possibility determination stage is the first. A recording stage for recording on one optical disc, an alternative recording stage for recording input data input during a period determined to be unrecordable in the recording possibility judging stage on an alternative recording medium that substitutes for the first optical disc, Reading out the first recording data recorded on the optical disc and the second recording data recorded on the alternative recording medium, First recording data and recording repair steps and, the information recording method comprising recording the second recording data is provided to the second optical disk loaded into the drive.

  According to such a configuration, it is possible to restore the recording even if the data does not have another area for the alternative recording of the data that failed to be recorded, such as the control data, and cannot be restored by the conventional method. Even in such a case, it becomes possible to restore the data on the disc.

  In addition, after the recording stage, the recording position of the first recording data on the first optical disc is recorded on the alternative recording medium, and the second recording data is to be recorded after the alternative recording stage. Recording the recording position of the optical disc on the alternative recording medium, and in the recording and repairing stage, based on the recording positions of the first and second recording data recorded on the alternative recording medium, The second recording data may be recorded on the second optical disk.

  Further, the step of recording the recording position of the first recording data on the alternative recording medium may be executed after the recording step is finished and before the first optical disc is ejected from the optical disc drive.

  Further, the alternative recording medium may be a non-volatile recording medium.

  Further, the alternative recording medium may be detachable from the information recording apparatus.

  As described above, according to the present invention, it is possible to restore data when unrecordable data is generated due to impacts, scratches on media, dirt, and the like.

  Exemplary embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In addition, in this specification and drawing, about the component which has the substantially same function structure, duplication description is abbreviate | omitted by attaching | subjecting the same code | symbol.

  First, an information recording apparatus according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a diagram showing a schematic configuration of a DVD video camera 100 as an information recording apparatus according to an embodiment of the present invention. As shown in FIG. 1, the DVD video camera 100 of this embodiment includes a camera unit 110, a recording / playback processing unit 120, and a control unit 130. FIG. 2 is a diagram showing a schematic configuration of the recording / playback processing unit 120 of the DVD video camera 100.

  The camera unit 110 includes an optical block 111, a camera control unit 112, a signal converter 113, an imaging signal processing unit 114, an audio input unit 115, and an audio signal processing unit 116. The optical block 111 includes a lens group for imaging a subject, an aperture adjustment mechanism, a focus adjustment mechanism, a zoom mechanism, a shutter mechanism, a flash mechanism, and the like. The camera control unit 112 receives a control signal from the control unit 130, generates a control signal to be supplied to the optical block 111, and performs control such as zoom control, shutter control, and exposure control.

  The signal converter 113 is configured by an image pickup device such as a CCD (Charge Coupled Device), for example, and an image through the optical block 111 is formed on an image forming surface thereof. The signal converter 113 receives the image capturing timing signal supplied from the control unit 130 in response to the shutter operation, converts the subject image formed on the imaging plane into an imaging signal, and the imaging signal processing unit 114. To supply.

  The imaging signal processing unit 114 performs processing such as gamma correction and AGC (Auto Gain Control) on the imaging signal based on the control signal from the control unit 30, and converts the imaging signal into an image signal as a digital signal. Process. The sound input unit 115 collects sound around the subject at the time of shooting and inputs the sound as a sound signal to the sound signal processing unit 116. The audio signal processing unit 116 performs processing such as correction of the audio signal and AGC based on the signal from the control unit 130, and also converts the audio signal into a digital signal.

  As shown in FIG. 2, the recording / playback processing unit 120 includes an encoding / decoding circuit 121, a recording / playback unit 122, a recording availability determination unit 123, a recording / restoring unit 124, a disk interface 125, and an output processing unit 126. A buffer memory 127 and a nonvolatile memory 128.

  The encoding / decoding circuit 121 has an encoding function for encoding an image signal, an audio signal, and additional recording information from the camera unit 110, and multiplexing and converting them into compressed data. On the other hand, the encoding / decoding circuit 121 has a decoding function that separates and decodes an image signal, an audio signal, and additional recording information from the compressed data. Also, the encoding / decoding circuit 121 performs automatic white balance control, exposure correction control, enlargement control according to the digital zoom magnification, and the like on the image signal from the imaging signal processing unit 114 based on the control signal from the control unit 130. Do further.

  The recording / playback unit 122 records the compressed data output from the encoding / decoding circuit 121 on a disk 149 loaded in a disk drive (not shown) through the disk interface 125. Further, the compressed data read from the disk 149 through the disk interface 125 is supplied to the encoding / decoding circuit so as to be reproduced. Further, the recording / playback unit 122 changes the recording destination according to the result of the recordability determination unit 123 by the recordability determination unit 123 at the time of recording on the disk 149. Specifically, the recording / reproducing unit 122 performs recording on the disc 149 through the disc interface 125 when the recording possibility determining unit 123 determines that recording is possible on the disc 149. On the other hand, if it is determined by the recording enable / disable determining unit 123 that recording on the disk 149 is impossible, the compressed data is recorded in the nonvolatile memory 128 instead.

  Further, the recording / reproducing unit 122 records address information / range information indicating in which position on the disk 149 the compressed data that is recorded in place in the nonvolatile memory 128 is recorded in the nonvolatile memory 128. Further, after the recording on the disk 149 is completed, the address information / range information indicating the recording position of the data that could be correctly recorded on the disk 149 is recorded in the nonvolatile memory 128. Here, the compressed data that could not be recorded on the disk 149, the recording position of the compressed data, and the information on the recording position of the data correctly recorded on the disk 149 are recorded in the nonvolatile memory 128. For example, it may be recorded on a storage medium such as the memory card 143 via the memory card interface 137.

  When the recording / reproducing unit 122 performs recording on the disk 149, the recording availability determining unit 123 determines whether recording to the disk 149 is possible, and transmits the determination result to the recording / reproducing unit 122. For example, when a vibration or impact is applied to the DVD video camera 100 and the acceleration detected by an acceleration sensor (not shown) or the like exceeds the guaranteed range of normal recording operation, the recording availability determination unit 123 applies to the disk 149. Is determined to be unrecordable. Alternatively, when it is detected that there is a factor that hinders the recording operation, such as a scratch or a dirt, at the recording position of the disk 149, the recording availability determination unit 123 determines that recording on the disk 149 is impossible.

  The recording / restoring unit 124 reads out the compressed data recorded in the disk 149 and the nonvolatile memory 128 by the recording / reproducing unit 122 and records them on another disk. Specifically, the recording / restoring unit 124 first reads the compressed data recorded in the disk 149 and the non-volatile memory 128 and records the compressed data in, for example, the buffer memory 127 or the memory card 143. Next, after confirming that another blank disk is loaded in the disk drive (not shown), the recording / restoring unit 124 refers to the information on the recording position of the data stored in the nonvolatile memory 128. The compressed data read from the disk 149 and the nonvolatile memory 128 is recorded at the correct position on the new disk.

  The disk interface 125 receives the compressed data from the recording / reproducing unit 122 or the recording / restoring unit 124 and writes the compressed data to the disk 149. The disk interface 125 reads compressed data from the disk 149 and supplies the compressed data to the recording / reproducing unit 122 or the recording / restoring unit 124. The output processing unit 126 supplies the compressed data from the encoding / decoding circuit 121 to the control unit 130 and the output terminal 129 under the control of the control unit 130. The buffer memory 127 is composed of, for example, an SDRAM or the like, and is used as a work area for encoding / decoding processing in the encoding / decoding circuit 121 and recording / restoring processing of the disk in the recording / restoring unit 124.

  The non-volatile memory 128 is configured by, for example, a flash memory or the like, and when data cannot be written to the disk 149 due to impact, scratches or dirt on the disk 149, the data that could not be written and the recording of the data It is used as a storage area for recording address and recording range information indicating the position, and address and recording range information indicating the position where data on the disk 149 is correctly recorded.

  Referring to FIG. 1 again, the control unit 130 includes a processing device 131, a ROM (Read Only Memory) 133, a RAM (Random Access Memory) 134, and an operation input interface 135 for connecting the operation input unit 141, A display control unit 136 for connecting the display unit 142, a memory card interface 137 for loading the memory card 143, and a clock circuit 138 for recording shooting time are connected via the system bus 132. Consists of.

  The processing device 131 is for controlling processing of the entire control unit 130, and uses a RAM 134 as a work area. The ROM 133 stores a program for controlling the camera unit 110 and a program for executing recording control and playback control of image signals and audio signals in the recording / playback processing unit 120.

  An operation input unit 141 connected to the operation input interface 135 includes a mode switching key for switching between a shooting mode and another mode such as a playback mode, a zoom adjustment key, a key for exposure adjustment, a shutter key, and a moving image shooting key. A plurality of keys such as a key and a display adjustment key in the display unit 142 are provided. The operation input interface 135 transmits an operation signal from the operation input unit 141 to the processing device 131, and the processing device 131 determines which key is operated in the operation input unit 141 and performs control according to the determination result. Process.

  The display unit 142 connected to the display control unit 136 is configured by, for example, an LCD (Liquid Crystal Display) or the like, and an image signal from the camera unit 110 or an image read from the disk 149 under the control of the processing device 131. Display the signal.

  The memory card interface 137 writes the compressed data from the recording / reproducing unit 122 or the recording / restoring unit 124 to the memory card 143. Further, the memory card interface 137 reads the compressed data from the memory card 134 and supplies the compressed data to the recording / reproducing unit 122 or the recording / restoring unit 124. The clock circuit 138 generates time information represented by year, month, day, hour, minute, second, and the like.

  The configuration of the DVD video camera 100 has been described above. Next, the information recording process in this embodiment will be described with reference to FIG. FIG. 3 is a flowchart showing a flow of information recording processing in the DVD video camera 100 according to the present embodiment. In the following description, a disk on which data cannot be correctly recorded is referred to as a disk 149a, and a disk after data restoration is referred to as a disk 149b.

  First, moving image shooting is started by the user operating a moving image shooting key provided in the operation input unit 141 (step S200). Here, the DVD video camera 100 is loaded with a disk 149a. By the shooting start operation, the image signal and the audio signal from the camera unit 110 are input to the encoding / decoding circuit 121. The encoding / decoding circuit 121 encodes the image signal and the audio signal, multiplexes them, and converts them into compressed data. To do.

  The recordability determination unit 123 determines whether or not the disk 149a is recordable when shooting is started (step S202). For example, when an impact is applied to the DVD video camera 100, or when there is a scratch or a dirt on the disk 149a, the recordability determination unit 123 determines that the disk 149a is not recordable and performs recording / reproduction. The unit 122 is notified (step S202: No). On the other hand, if there is no impact or damage to the disk 149a and recording on the disk 149a can be performed normally, the recordability determination unit 123 determines that the disk 149a is recordable and notifies the recording control unit 122 (step). S202: Yes).

  If it is determined in step S202 that the disk 149a is recordable, the recording / playback unit 122 writes the compressed data converted by the encoding / decoding circuit 121 to the disk 149a through the disk interface 125 (step S204). On the other hand, when it is determined in step S202 that the disk 149a is not recordable, the recording / playback unit 122 records the compressed data in the nonvolatile memory 128 (step S206). The recording / reproducing unit 122 records the compressed data input from the encoding / decoding circuit 121 in the non-volatile memory 128 while the recording / non-recording determining unit 123 determines that recording is not possible.

  Thereafter, information indicating the position to be recorded on the disk 149a and the data range of the data written in the nonvolatile memory 128 in step S204 is written in the nonvolatile memory 128 (step S208). For example, if the recording / non-recording determining unit 123 determines that recording is not possible during writing at the addresses 10 to 20 on the disk 149a, the recording / reproducing unit 122 stores the data to be written to the addresses 10 to 20 in step S206 in a nonvolatile manner. In step S208, it is recorded in the nonvolatile memory 128 that the data recorded in step 206 is data at addresses 10-20.

  If the recording to the disk 149a is continued after the recording in step S204 or step S208 is completed (step S210: No), the process returns to step S202 and the processes in steps S202 to S210 are repeated. When the movie shooting is finished and the recording to the disk 149a is finished (step S210: Yes), information indicating the recording position of the data recorded on the disk 149a in step S204 and the range of the recorded data is stored in the nonvolatile memory 128. (Step S212). For example, as in the above example, data to be written at the addresses 10 to 20 of the disk 149a is written to the nonvolatile memory 128, and other data, for example, addresses 0 to 9 and addresses 21 to 40 of the disk 149a are written. When the data is normally written at the position, the recording / reproducing unit 122 records the addresses 0 to 9 and the addresses 21 to 40 of the normally written data in the nonvolatile memory 128.

  Note that the processing in step S212 is performed after the recording on the disc 149a is completed and before the disc 149a is ejected from the DVD video camera 100. For example, at the timing when the user performs an operation of ejecting the disc 149a, step S212 is performed. These processes may be performed.

  Data is recorded on the disk 149a by the processing as described above. Next, with reference to FIG. 4, a recording / restoring process for recording data to be recorded on the disk 149a in the processes of steps S200 to S212 on one disk will be described. FIG. 4 is a flowchart showing the flow of the recording / restoring process in the DVD video camera 100 according to the present embodiment.

  First, recording / restoration of the disk 149a loaded in the DVD video camera 100 is started (step S220). This may be performed by the user operating a key for recording restoration provided in the operation input unit 141. Next, the recording / restoring unit 124 copies the data recorded on the disk 149a to a recording medium in the DVD video camera 100 (step S222).

  When the process of step S222 is completed, the disc 149a loaded in the DVD video camera 100 is ejected, and another disc 149b is loaded by the user's operation (step S224). The disc 149b loaded here may be a disc on which nothing is recorded, or a disc that has already been recorded and has sufficient free space for recording data recorded on the disc 149a. There may be. Further, after loading the disk 149b in step S224, the recording / restoring unit 124 may check whether the free space of the disk 149b is sufficient.

  Next, the recording / restoring unit 124 refers to the information on the recording position recorded in the nonvolatile memory 128 and records data on the disk 149b. First, the recording / restoring unit 124 refers to the recording position of data that has been normally written from the nonvolatile memory 128 to the disk 149a (step S226). In the example described above, since the addresses 0 to 9 and the addresses 21 to 40 are the recording positions of the data written normally, the recording / restoring unit 124 uses the same address (addresses 0 to 9 and addresses 21 to 40) of the disk 149b. The data copied from the disk 149a in step S222 is written in the position (step S228).

  Next, the recording / restoring unit 124 refers to the recording position of the data that has been recorded in the nonvolatile memory 128 instead of being recorded on the disk 149a (step S230). In the above-described example, since the addresses 10 to 20 are the recording positions of the data that failed to be recorded, the recording / restoring unit 124 has been recorded as a substitute in the nonvolatile memory 128 at the addresses 10 to 20 of the disk 149b. Data is written (step S232).

  Through the processing described above, data that could not be correctly recorded on the disk for some reason during recording can be recorded on another disk in the correct order. In addition, according to the above method, even in the case of data that does not have another area for alternative recording of data that failed to be recorded, such as control data, the recording can be restored. It is possible to restore the data on the disk even when the restoration cannot be made.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  For example, the above embodiment uses an example in which a recording / reproducing unit 122 and a recording availability determining unit 123 for recording on a disc, and a recording / restoring unit 124 for performing recording / restoration are provided in a physically integrated apparatus. However, the present invention is not limited to such an example. For example, the recording / reproducing unit 122, the recording availability determining unit 123, and the recording / restoring unit 124 may be provided in separate physically separated devices.

  For example, in the example of the DVD video camera 100 described above, the DVD video camera 100 includes a recording / playback unit 122 and a recording availability determination unit 123, and is displayed by another information processing apparatus such as a personal computer including the recording / restoring unit 124. The information restoration process shown in FIG. 4 may be performed. In this case, the data recorded in the nonvolatile memory 128 in the DVD video camera 100 is recorded on a removable recording medium such as the memory card 143, and the data recorded on the disk 149a and the memory card 143 is taken into a personal computer. Thus, the information restoration process can be executed.

  In the above embodiment, the DVD video camera is used as an example of the information recording apparatus. However, the present invention is not limited to this example. The information processing apparatus according to the present invention may be any apparatus as long as it is an apparatus for recording data such as audio and video on an optical disk. For example, recording on a DVD recorder, CD recorder, DVD, or CD is possible. A personal computer or the like having a function may be used.

It is a figure which shows schematic structure of the DVD video camera as an information recording device concerning one Embodiment of this invention. It is a figure which shows schematic structure of the recording / reproducing process part of the DVD video camera concerning the embodiment. It is a flowchart which shows the flow of the information recording process in the DVD video camera concerning one Embodiment of this invention. It is a flowchart which shows the flow of the recording restoration process in the DVD video camera concerning one Embodiment of this invention. It is the figure which showed the structure of the recording area of DVD media. It is the figure which showed a part of structure of the lead-in area | region of each DVD medium.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 DVD video camera 110 Camera part 111 Optical block 112 Camera control part 113 Signal converter 114 Imaging signal processing part 115 Audio | voice input part 116 Audio | voice signal processing part 120 Recording / reproducing process part 121 Encoding / decoding circuit 122 Recording / reproducing part 123 Recording availability Determination unit 124 Recording / restoring unit 125 Disk interface 126 Output processing unit 127 Buffer memory 128 Non-volatile memory 130 Control unit 131 Processing unit 132 System bus 133 ROM
134 RAM
135 Operation Input Interface 136 Display Control Unit 137 Memory Card Interface 138 Clock Circuit 141 Operation Input Unit 142 Display Unit 143 Memory Card 149 Disk

Claims (10)

An information recording apparatus comprising an optical disc drive and recording input data that changes in time series on an optical disc loaded in the optical disc drive,
A record enable / disable determining unit that determines whether recording to the first optical disc loaded in the optical disc drive is possible;
The input data input during the period determined to be recordable by the recordability determination unit is recorded on the first optical disc, and the input data input during the period determined by the recordability determination unit as unrecordable A recording unit for recording on an alternative recording medium that is an alternative to the first optical disc;
First recording data recorded on the first optical disc and second recording data recorded on the alternative recording medium are read, and the first recording data is read onto a second optical disc loaded in the optical disc drive. And a recording restoration unit for recording the second recording data;
An information recording apparatus comprising: The recording unit records the recording position of the first recording data on the first optical disc and the recording position of the first optical disc on which the second recording data is to be recorded on the alternative recording medium. ,
The recording / restoring unit records the first and second recording data on the second optical disc based on recording positions of the first and second recording data recorded on the alternative recording medium. The information recording apparatus according to claim 1, wherein:   The recording unit records the recording position of the first recording data on the alternative recording medium after the recording of the first recording data is completed and before the first optical disk is ejected from the optical disk drive. The information recording apparatus according to claim 2, wherein:   The information recording apparatus according to claim 1, wherein the alternative recording medium is a non-volatile recording medium.   The information recording apparatus according to claim 1, wherein the alternative recording medium is detachable from the information recording apparatus. In an information recording apparatus comprising an optical disc drive, an information recording method for recording input data that changes over time on an optical disc loaded in the optical disc drive,
A record enable / disable determining step for determining whether recording on the first optical disk loaded in the optical disk drive is possible;
A recording step of recording input data input to the first optical disc in a period determined to be recordable in the recordability determination step;
An alternative recording step of recording input data input in a period determined to be unrecordable in the recordability determination step on an alternative recording medium as an alternative to the first optical disc;
Reading the first recording data recorded on the first optical disc and the second recording data recorded on the alternative recording medium;
A recording and repairing step of recording the first recording data and the second recording data on a second optical disc loaded in the optical disc drive;
An information recording method comprising: After the recording step, recording the recording position of the first recording data on the first optical disc on the alternative recording medium;
After the alternative recording step, recording the recording position of the first optical disc on which the second recording data is to be recorded on the alternative recording medium;
Further including
Recording the first and second recording data on the second optical disc based on the recording positions of the first and second recording data recorded on the alternative recording medium in the recording and repairing step; The information recording method according to claim 6, wherein:   The step of recording the recording position of the first recording data on the alternative recording medium is performed between the end of the recording step and the time when the first optical disc is ejected from the optical disc drive. The information recording method according to claim 7.   The information recording method according to claim 6, wherein the alternative recording medium is a nonvolatile recording medium.   The information recording method according to claim 6, wherein the alternative recording medium is detachable from the information recording apparatus.

Images