JP2002324350A - Disk recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk recording and reproducing device that efficiently records and reproduces data without causing a lack in the data and a pause and disturbance in image and voice data to be reproduced. SOLUTION: This device is a disk recording and reproducing device that records the image and voice data to a recording medium 1 and at the same time reproduces the image and voice data recorded in the recording medium 1. In this case, recording and reproduction data 4 to which recording and reproduction are simultaneously executed are recorded with the outer-circumferential area 2 of the recording medium 1 and recording data 5 to which only recording is made are recorded with the inner-circumferential area 3 of the recording medium 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk recording / reproducing apparatus for recording video / audio data on a recording medium and reproducing the video / audio data recorded on the recording medium at the same time. And a disk recording / reproducing apparatus that selectively uses a recording area of a recording medium when only recording is performed.

[0002]

2. Description of the Related Art In general, a personal computer records data using a hard disk device as a recording medium. Data to be recorded is stored in a data area area of the hard disk device in accordance with the type and capacity of data. Recording is performed without any distinction.

In the prior art, a disk recording / reproducing apparatus for reproducing video / audio data recorded on a recording medium at the same time as recording video / audio data and recording / reproducing data for simultaneously recording and reproducing data. , Without considering the recording area with the recording data that only records data,
Recording / reproducing data and recording data are recorded using the entire area of the recording medium.

FIG. 15 is a diagram showing a data recording method in a conventional disk recording / reproducing apparatus. In FIG. 15, 1 is a recording medium for recording video / audio data, 2 is an outer peripheral area of the recording medium 1, 3 is an inner peripheral area of the recording medium 1, 4 is recording / reproducing data for simultaneously recording and reproducing data, 5 Is recording data for only recording data. That is, FIG.
As shown in FIG. 5, in the conventional disk recording / reproducing apparatus, it can be seen that the recording / reproducing data 4 and the recording data 5 are scattered all over the outer peripheral area and the inner peripheral area of the recording medium 1.

[0005]

However, in the conventional disk recording / reproducing apparatus, since the transfer speed is different between the inner peripheral area and the outer peripheral area of the recording medium, if the data to be recorded / reproduced is scattered, There has been a problem that recorded data is lost, and the reproduced video / audio data is interrupted or disturbed.

FIG. 16 is a diagram showing a difference in transfer speed depending on a radial position of a recording medium. 16, the vertical axis indicates the transfer speed of the recording medium, and the horizontal axis indicates the radial position of the recording medium. That is, as shown in FIG. 16, it can be seen that the transfer speed of the recording medium is higher toward the outer peripheral side, and is lower toward the inner peripheral side.

[0007] With this, the disk recording / reproducing apparatus records and reproduces video / audio data after recording is performed in the inner peripheral area of the recording medium having a low transfer speed when data recording and reproduction are performed simultaneously. It takes a long time, so the recording on the recording medium cannot keep up with the continuously input video and audio data.
There was a problem that the sound was interrupted or disrupted.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and efficiently records and reproduces data without causing loss of recorded data and interruption or disturbance of reproduced video and audio data. It is an object of the present invention to provide a disk recording / reproducing apparatus capable of performing the above.

[0009]

According to a first aspect of the present invention, there is provided a disk recording / reproducing apparatus for recording video / audio data on a recording medium and simultaneously recording the video / audio data on the recording medium. In a disk recording / reproducing apparatus for reproducing audio data, recording / reproducing data for simultaneous recording and reproduction is recorded using an outer peripheral area of a recording medium,
It is characterized in that recording data to be recorded only is recorded by using an inner peripheral area of a recording medium.

According to a second aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the first aspect, wherein the recording / reproducing data is recorded from an outer peripheral area to an inner peripheral area of the recording medium. And recording the recording data from the inner peripheral area to the outer peripheral area of the recording medium.

According to a third aspect of the present invention, there is provided a disk recording / reproducing apparatus according to the first aspect of the present invention, wherein the recording data is stored in an inner peripheral area of the recording medium while the recording data is being recorded. If the recorded data is reproduced, the recording destination of the recorded data during recording is moved from the inner peripheral area to the outer peripheral area for recording.

According to a fourth aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the third aspect, wherein the recording data being recorded is obtained immediately before the reproduction of the existing recording data is performed. In addition, the recording destination of the recording data during recording is moved from the inner peripheral area to the outer peripheral area of the recording medium and is recorded.

According to a fifth aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the third aspect, wherein the recording data being recorded is obtained after the reproduction of the existing recording data is started. The recording destination of the recording data during recording is moved from the inner peripheral area to the outer peripheral area of the recording medium and is recorded.

According to a sixth aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the third aspect, wherein the recording data being recorded is stored in an outer peripheral area of the recording medium after the recording is completed. It is characterized by moving to a peripheral area.

According to a seventh aspect of the present invention, there is provided a disk recording / reproducing apparatus according to the first aspect, wherein the recording / reproducing data is recorded in an inner peripheral area after recording on an outer peripheral area of the recording medium. It is characterized by moving to.

According to a eighth aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the sixth or seventh aspect, wherein the recording data or the inner circumference of the recording medium of the recording / reproducing data is provided. The movement to the area is performed when the disk recording / reproducing apparatus is not accessing the recording medium.

According to a ninth aspect of the present invention, there is provided a disk recording / reproducing apparatus according to the sixth or seventh aspect, wherein the recording data or the recording data recorded on the outer peripheral area of the recording medium is provided. Recording and playback data
The outer peripheral region moves from the outer peripheral portion to the inner peripheral portion toward the inner peripheral region.

According to a tenth aspect of the present invention, there is provided the disk recording / reproducing apparatus according to the sixth or seventh aspect, wherein the recording data recorded in the outer peripheral area of the recording medium or the recording data or the recording data recorded on the outer peripheral area of the recording medium. The recording / reproducing data moves to the inner peripheral area from the inner peripheral part to the outer peripheral part of the outer peripheral area.

[0019]

Embodiments of the present invention will be described below. (Embodiment 1) FIG. 1 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 1 of the present invention. In FIG. 1, 1 is a recording medium for recording video / audio data, 2 is an outer peripheral area of the recording medium 1, 3 is an inner peripheral area of the recording medium 1, 4 is recording / reproducing data for simultaneously recording and reproducing data, 5 Is recording data for only recording data.

The operation of the thus configured disk recording / reproducing apparatus will be described with reference to FIG. FIG.
As shown in the figure, it can be seen that the transfer speed of the recording medium operated by the disk recording / reproducing apparatus is higher toward the outer circumference, and is lower toward the inner circumference. As a result, the recording / reproducing data 4 requiring high-speed transfer is recorded using the outer peripheral area 2 of the recording medium 1 having a high transfer speed, and the recording data 5 not requiring high-speed transfer is recorded at a low transfer speed. Recording is performed using the inner peripheral area 3 of the medium 1.

As described above, according to the disk recording / reproducing apparatus of the first embodiment, the recording area of the recording medium 1 is selectively used for each data to be recorded. About 4
Since the processing time required for recording the audio data on the recording medium 1 and at the same time reproducing the recorded data is shortened, the transfer speed of the recording medium 1 for the constantly input video / audio data is low. As a result, it is possible to solve the problem that the recording data is lost or the video / audio data to be reproduced is interrupted or disturbed.

(Embodiment 2) FIG. 2 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 2 of the present invention. In addition, about the same structure as Embodiment 1, the same code | symbol is attached | subjected and description is abbreviate | omitted. The operation of the thus configured disk recording / reproducing apparatus will be described with reference to FIG.

As shown in FIG. 2, the recording / reproducing data 4 requiring high-speed transfer is recorded from the outer peripheral portion to the inner peripheral portion of the outer peripheral area 2 of the recording medium 1, and the recording data 5 not requiring high-speed transfer is recorded. The recording is performed from the inner peripheral portion of the inner peripheral region 3 of the recording medium 1 to the outer peripheral portion. That is,
If there is no free space in the recording area in the outer peripheral area 2, recording can be continued from the outer peripheral part of the inner peripheral area 3 without changing the position of the recording data. If there is no empty area, recording can be continued from the inner peripheral portion of the outer peripheral area 2 without changing the position of the recording data.

As described above, according to the disk recording / reproducing apparatus of the second embodiment, the recording area of the recording medium 1 is selectively used for each data to be recorded. Is designed to perform recording continuously on the other adjacent recording area without changing the position of the recording data. Therefore, for the recording / reproducing data 4 requiring high-speed transfer, the video / audio data is recorded on the recording medium 1. And at the same time, the processing time until the recorded data is reproduced can be shortened. In addition, it is possible to solve the problem that recorded data is lost or video and audio data to be reproduced are interrupted or disturbed with respect to continuously input video and audio data.

(Embodiment 3) FIG. 3 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 3 of the present invention. In FIG. 3, reference numeral 6 denotes recording data that is currently being recorded, reference numeral 7 denotes existing recording data, and reference numeral 8 denotes recording data after recording in which the recording data 6 being recorded has been moved. In addition, about the same structure as Embodiment 1, about the other structure, the same code | symbol is attached | subjected and description is abbreviate | omitted.

FIG. 4 is a flow chart for explaining the operation of the disk recording / reproducing apparatus according to the third embodiment of the present invention. The operation of the disk recording / reproducing apparatus thus configured will be described with reference to FIGS.

First, while the video / audio data is being recorded in the inner peripheral area 3 of the recording medium 1 (recording data being recorded 6, step S101), the existing data stored in the inner peripheral area 3 of the same recording medium 1 is stored. It is determined whether or not the recorded data 7 is to be reproduced (step S102). If it is determined in step S102 that the existing recording data 7 is to be reproduced, the recording data 6 being recorded is moved to the outer peripheral area 2 (recording data 8 after movement), and recording is continued (step S103). On the other hand, if it is determined in step S102 that the existing recording data 7 is not to be reproduced, data recording is performed in the inner peripheral area 3 until an instruction to reproduce the existing recording data 7 is issued.

As described above, according to the disk recording / reproducing apparatus of the third embodiment, recording of the recording data 6 during recording and reproduction of the existing recording data 7 are performed in different areas of the recording medium 1. Therefore, without performing a plurality of processes using the inner peripheral area 3 of the recording medium 1 having a low transfer speed,
It is possible to solve the problem that the recording data is lost or the reproduced video / audio data is interrupted or disrupted due to the slow transfer speed of the recording medium 1.

(Embodiment 4) FIG. 5 is a flowchart for explaining the operation of a disk recording / reproducing apparatus according to Embodiment 4 of the present invention. Next, the operation of the disk recording / reproducing apparatus according to the fourth embodiment will be described with reference to FIG.

First, during recording of video / audio data using the inner peripheral area of the recording medium (step S201), it is determined whether or not a recording data list displaying a list of existing recording data is displayed (step S201). Step S202). If it is determined in step S202 that the recording data list is displayed, the recording data being recorded in step S201 is moved from the inner peripheral area to the outer peripheral area of the recording medium and recording is continued (step S203). On the other hand, if it is determined in step S202 that the recording data list is not displayed, the recording data being recorded is recorded in the inner peripheral area until the recording data list is displayed.

Next, it is determined whether or not the recording data to be reproduced is determined from the displayed recording data list (step S204). If the recording data to be reproduced is determined in step S204, the determined recording data is reproduced in the inner peripheral area of the recording medium (step S205). On the other hand, in step S204, if the recording data to be reproduced is not determined, that is, if there is no recording data to be reproduced, the operation ends.

As described above, according to the disk recording / reproducing apparatus of the fourth embodiment, it is possible to reproduce the existing recorded data,
Since the recording destination of the recording data being recorded is not changed at the same time, the interruption of the reproduced video / audio data that occurs when the reproduction of the existing recording data and the recording destination of the recording data are changed at the same time It is possible to solve the problem that the disturbance occurs. In addition, since the reproduction of the existing recording data and the recording destination of the recording data being recorded are performed in different areas, it is possible to prevent the loss of the recording data.

In the fourth embodiment, existing recording data is displayed in a list, and the recording data to be reproduced is determined from the list. However, the method of determining the recording data to be reproduced is not limited to this. Instead, any method may be used as long as arbitrary data is extracted from existing recording data.

(Embodiment 5) FIG. 6 is a flowchart for explaining the operation of a disk recording / reproducing apparatus according to Embodiment 5 of the present invention. Next, the operation of the disk recording / reproducing apparatus according to the fifth embodiment will be described with reference to FIG.

First, while recording video / audio data using the inner peripheral area of the recording medium (step S301), it is determined whether or not a recording data list displaying a list of existing recording data is displayed. (Step S302). If it is determined in step S302 that the recording data list is displayed, it is determined whether or not the recording data to be reproduced is determined from the displayed recording data list (step S303). When the recording data to be reproduced is determined in step S303, the determined recording data is reproduced in the inner peripheral area of the recording medium (step S30).
4). On the other hand, if it is determined in step S302 that the recording data list is not displayed, the process returns to step S302 to determine whether the recording data list is displayed. If there is no record data to be reproduced from the record data list in step S303, the operation ends.

Subsequently, it is determined whether or not the operation of the existing recording data reproduced in the inner peripheral area is stabilized (step S).
305). If the reproduction operation of the existing recording data is stabilized in step S305, the recording data being recorded in the inner peripheral area is moved to the outer peripheral area and recording is continued (step S3).
06). On the other hand, if it is determined in step S305 that the reproduction operation is not stable, the process returns to step S305 again to determine whether the reproduction operation is stable.

As described above, according to the disk recording / reproducing apparatus of the fifth embodiment, the recording destination of the recording data being recorded is moved after the reproduction of the existing recording data. In addition, it is possible to solve the problem that the reproduced video / audio data is interrupted or disturbed when the recording destination of the recording data is changed at the same time. In addition, since the reproduction of the existing recording data and the recording destination of the recording data being recorded are performed in different areas, it is possible to prevent the loss of the recording data.

In the fifth embodiment, the existing recording data is displayed in a list, and the recording data to be reproduced is determined from the list. However, the method of determining the recording data to be reproduced is not limited to this. Any method may be used as long as arbitrary data is extracted from existing recording data.

In the fifth embodiment, the recording destination of the recording data being recorded is changed after the reproduction process of the existing recording data is performed stably, but the recording destination is changed. The timing for performing this is not limited to this, and may be any time after the reproduction of the existing recording data has started.

(Embodiment 6) FIG. 7 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 6 of the present invention. In FIG. 7, reference numeral 11 denotes recording data after the end of recording, in which the moved recording data 8 has moved to the inner peripheral area 3 after the end of the recording. In addition, about the same structure as Embodiment 3 about another structure, the same code | symbol is attached | subjected and description is abbreviate | omitted.

FIG. 8 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to the sixth embodiment of the present invention. The operation of the disk recording / reproducing apparatus thus configured will be described with reference to FIGS.

First, while recording video / audio data using the inner peripheral area 3 of the recording medium 1 (recording data being recorded 6, step S401), the data is held in the inner peripheral area 3 of the same recording medium 1. It is determined whether or not to reproduce the existing recording data 7 (step S402). In step S402,
If the existing recording data is to be reproduced, the recording data 6 being recorded is moved to the outer peripheral area 2 (the recording data 8 after the movement).
The recording is continued (step S403). On the other hand, if it is determined in step S402 that the existing recording data 7 is not to be reproduced, data recording is performed in the inner peripheral area 3 until an instruction to reproduce the existing recording data 7 is issued.

Subsequently, it is determined whether or not the recording of the moved recording data 8 has been completed (step S404). If it is determined that the recording has been completed, the moved recording data 8 is stored in the inner peripheral area 3. Move (recording data 11 after recording is completed, step S405). At this time, an empty area is formed in the outer peripheral area 2. On the other hand, if it is determined in step S404 that the recording of the recording data 8 after the movement is not completed,
Until the recording is completed, recording of the recording data is performed in the outer peripheral area 2.

As described above, according to the disk recording / reproducing apparatus according to the sixth embodiment, the recording data 6 being recorded is moved to the outer peripheral area 2 to reproduce the existing recording data 7, and the recording is performed. After the end, the movement to the inner peripheral area 3 is again performed, so that the outer peripheral area 2 can secure an empty area without being occupied by the recording data. In other words, since the outer peripheral area 2 can be used many times, with respect to the recording / reproducing data requiring high-speed transfer, the recording data is lost or reproduced due to the slow transfer speed at the time of recording on the recording medium 1. It is possible to solve a problem that the video / audio data is interrupted or disturbed.

(Embodiment 7) FIG. 9 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 7 of the present invention. In FIG. 9, reference numeral 9 denotes recording / reproduction data currently being recorded, and 10 denotes recording / reproduction data 9 being recorded.
Is the recording / reproducing data after the end of the recording, which has moved to the inner peripheral area 3 after the end of the recording. In addition, about the other structure, the same code | symbol is attached | subjected about the structure same as Embodiment 1, and description is abbreviate | omitted.

FIG. 10 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to the seventh embodiment of the present invention. The operation of the thus configured disk recording / reproducing apparatus will be described with reference to FIGS.

First, recording / reproducing data for simultaneous recording and reproduction is recorded using the outer peripheral area 2 of the recording medium 1 (recording / reproducing data 9 during recording, step S501). continue,
It is determined whether the recording of the recording / reproducing data 9 being recorded is completed (step S502). If it is determined that the recording is completed, the recording / reproducing data 9 being recorded is moved to the inner peripheral area 3 (recording). Recording / reproduction data 10 after completion, step S5
03). At this time, an empty area is formed in the outer peripheral area 2.
On the other hand, if it is determined in step S502 that the recording of the recording / reproducing data 9 being recorded is not completed, the recording / reproducing data is recorded in the outer peripheral area 2 until the recording is completed.

As described above, according to the disk recording / reproducing apparatus of the seventh embodiment, since the outer peripheral area 2 is moved to the inner peripheral area 3 after the recording of the recording / reproducing data is completed, the outer peripheral area 2 having a higher transfer speed is obtained. Can be secured without being occupied by the recorded / reproduced data. That is,
Since the outer peripheral area 2 can be used many times, recording / reproducing data that requires high-speed transfer is recorded on the recording medium 1.
It is possible to solve the problem that the recording data is lost or the video / audio data to be reproduced is interrupted or disturbed due to the slow transfer speed at the time of recording.

(Embodiment 8) FIG. 11 is a flow chart for explaining the operation when the recording / reproducing data is handled by the disk recording / reproducing apparatus according to the embodiment 8 of the present invention. 35 is a flowchart for describing an operation when handling recorded data in the disk recording / reproducing apparatus according to the eighth embodiment.

Next, the operation of the disk recording / reproducing apparatus according to the eighth embodiment will be described separately for the case of handling recorded / reproduced data and the case of handling recorded data. FIG.
Shows the timing of the movement of the recording / reproducing data recorded using the outer peripheral area of the recording medium having the higher transfer speed to the inner peripheral area.

First, recording / reproduction data is recorded in the outer peripheral area (step S601). Subsequently, it is determined whether or not the recording of the recording / reproducing data being recorded has been completed (step S6).
02) If it is determined that the recording has been completed, for example, after the recording and reproduction of data on the recording medium is completed, until the next command is issued by a remote controller or the like, or after the power of the disk recording / reproducing apparatus is turned off. Then, it is determined whether or not the disk recording / reproducing apparatus has access to recording / reproduction of data with the recording medium (step S60).
3). If it is determined in step S603 that no access has been made to the recording medium, the recording data or recording / reproduction data for which recording has been completed is moved to the inner peripheral area (step S604). On the other hand, if it is determined in step S602 that the recording of the recording data or the recording / reproducing data has not been completed, the recording is performed in the outer peripheral area until the recording is completed. If it is determined in step S603 that access has been made to the recording medium, the process returns to step S603 again to determine whether access has been made to the recording medium.

Next, FIG. 12 shows the timing of the movement of the recording data recorded using the outer peripheral area of the recording medium having the higher transfer speed to the inner peripheral area. First, recording of recording data is performed in the inner peripheral area (step S701).
At this time, it is determined whether or not to reproduce the existing recording data held in the inner peripheral area of the same recording medium (step S7).
02). If it is determined in step S702 that the existing recording data is to be reproduced, the recording data being recorded is moved to the outer peripheral area to continue recording, and the existing recording data is reproduced in the inner peripheral area (step S703). On the other hand, if it is determined in step S702 that the existing recording data is not to be reproduced, data recording is performed in the inner peripheral area until an instruction to reproduce the existing recording data is issued.

Subsequently, it is determined whether or not the reproduction of the existing recording data performed in the inner peripheral area has been completed (step S).
704) If it is determined that the reproduction has been completed, it is determined whether or not the recording of the recording data being recorded in the outer peripheral area has been completed (step S705). If the recording of the recording data being recorded has been completed, for example, after the data recording on the recording medium is completed, until the next command is issued by a remote controller or the like, or when the power of the disk recording / reproducing apparatus is turned off. It is determined whether the disk recording / reproducing apparatus is accessing the recording medium or recording / reproducing data, for example, after disconnection (step S70).
6). On the other hand, if it is determined in step S704 that the reproduction of the existing recording data has not been completed,
Returning to step S704, it is determined whether the reproduction has been completed. If it is determined in step S705 that the recording of the recording data being recorded has not been completed, the process returns to step S705 again to determine whether the recording has been completed.

Next, if it is determined in step S706 that no access has been made to the recording medium, the recording data being recorded in the outer peripheral area is moved to the inner peripheral area (step S707). . On the other hand, step S
If it is determined in step 706 that access has been made to the recording medium, the process returns to step S706 to determine whether access has been made to the recording medium.

As described above, according to the disk recording / reproducing apparatus of the eighth embodiment, the recording / reproducing data or the recording data recorded in the outer peripheral area of the recording medium is utilized by utilizing the time when there is no access to the recording medium. Since it has been moved to the inner peripheral area, it is possible to prevent a decrease in the transfer speed of the recording medium due to performing the overlapping processing. The problem of occurrence of disturbance can be solved.

In the eighth embodiment, when the recording data being recorded moves to the outer peripheral area and recording is continued,
First, after it is determined that the reproduction of the existing recording data has been completed (step S704), it is determined that the recording of the recording data being recorded in the outer peripheral area has been completed (step S704).
705) corresponds to steps S704 and S705.
May be reversed, first, it is determined that the recording of the recording data being recorded in the outer peripheral area has ended, and then it is determined that the reproduction of the existing recording data has ended.

(Embodiment 9) FIG. 13 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 9 of the present invention. In FIG. 13, reference numeral 11 denotes recording data after recording is completed. In other configurations, the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The operation of the thus configured disk recording / reproducing apparatus will be described with reference to FIG.

The recording / reproducing data 4 or the recording data 5 recorded on the outer peripheral area 2 of the recording medium 1 is sequentially moved to the inner peripheral area 3 from the recording / reproducing data 4 or the recording data 5 on the outer peripheral part of the outer peripheral area 2. I did it. FIG. 13 shows that the recording data 11 recorded at the outermost part of the outer peripheral area 2 after the recording is moved to the inner peripheral area 3. At this time, a free area is formed in the outer peripheral area 2.

As described above, according to the disk recording / reproducing apparatus according to the ninth embodiment, the recording / reproducing data 4 or the recording data 5 recorded in the outer peripheral area 2 is the recording / reproducing data 4 in the outer peripheral area of the outer peripheral area 2. Alternatively, since the recording data 5 is sequentially moved to the inner peripheral area 3, the recording / reproducing data 4 or the recording data 5 that is newly recorded using the outer peripheral area 2 of the recording medium 1 using the empty area is used. Recording can be performed using the outer peripheral area 2 having a high transfer speed. In addition, by moving the recording / reproducing data 4 or the recording data 5 from the outer peripheral area 2 to the inner peripheral area 3 of the recording medium 1, the recording / reproducing data 4 requiring high-speed transfer is obtained.
Can be recorded using the outer peripheral area 2 of the recording medium 1 with a higher transfer speed, and thus the lack of recording data that occurs when recording is performed using the inner peripheral area 3 of the recording medium 1 with a lower transfer speed. And problems such as interruption or disturbance of the reproduced video / audio data can be solved.

(Embodiment 10) FIG. 14 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to Embodiment 10 of the present invention. In FIG. 14, 10
Is recording / reproduction data after the recording is completed. In other configurations, the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The operation of the thus configured disk recording / reproducing apparatus will be described with reference to FIG.

The recording / reproducing data 4 or the recording data 5 recorded in the outer peripheral area 2 of the recording medium 1 is sequentially moved from the recording / reproducing data 4 or the recording data 5 of the inner peripheral part of the outer peripheral area 2 to the inner peripheral area 3. I did it. FIG. 14 shows that the recording / reproducing data 10 recorded at the innermost part of the outer peripheral area 2 after the recording is moved to the inner peripheral area 3. At this time, a free area is formed in the outer peripheral area 2.

As described above, according to the disk recording / reproducing apparatus according to the tenth embodiment, the recording / reproducing data 4 or the recording data 5 recorded in the outer peripheral area 2 is the recording / reproducing data in the inner peripheral part of the outer peripheral area 2. 4 or recorded data 5
Since we moved from, use the free space,
With respect to the recording / reproducing data 4 or the recording data 5 which is newly recorded by using the outer peripheral area 2 of the recording medium 1, continuous data without one data being scattered inside the recording medium 1 can be recorded. Further, by moving the recording / reproducing data 4 or the recording data 5 from the outer peripheral area 2 to the inner peripheral area 3 of the recording medium 1, the recording / reproducing data 4 requiring high-speed transfer can be transferred to the recording medium 1 having a high transfer speed. Since recording can be performed using the outer peripheral area 2,
It is possible to solve problems such as lack of recording data and interruption or disturbance of reproduced video / audio data, which occur when recording is performed using the inner peripheral area 3 of the recording medium 1 having a low transfer speed.

[0063]

As described above, according to the disk recording / reproducing apparatus of the present invention for recording video / audio data on a recording medium and reproducing the video / audio data recorded on the recording medium at the same time, recording and reproduction can be performed simultaneously. Since the recording / reproducing data to be recorded is recorded by using the outer peripheral area of the recording medium having a high transfer speed, and the recording data to be recorded only is recorded by using the inner peripheral area of the recording medium having a low transfer speed. For recording / playback data that needs to be transferred, the processing time required to record the video / audio data on the recording medium and at the same time to reproduce the recorded data is shortened. Loss of recorded data or reproduced video
It is possible to solve the problem that the audio data is interrupted or disturbed.

Further, for the recording data recorded using the outer peripheral area of the recording medium, after the recording is completed, the recorded data is moved to the inner peripheral area of the recording medium, so that the outer peripheral area is occupied by the recording data. An empty area can be ensured without any trouble, and the outer peripheral area can be used many times.

[Brief description of the drawings]

FIG. 1 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a second embodiment of the present invention;

FIG. 3 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a third embodiment of the present invention;

FIG. 4 is a flowchart for explaining the operation of the disc recording / reproducing apparatus according to the third embodiment of the present invention;

FIG. 5 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to Embodiment 4 of the present invention;

FIG. 6 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to the fifth embodiment of the present invention;

FIG. 7 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a sixth embodiment of the present invention.

FIG. 8 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to the sixth embodiment of the present invention;

FIG. 9 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a seventh embodiment of the present invention.

FIG. 10 is a flowchart for explaining the operation of the disk recording / reproducing apparatus according to the seventh embodiment of the present invention;

FIG. 11 is a flowchart for explaining an operation when recording / reproducing data is handled in the disk recording / reproducing apparatus according to the eighth embodiment of the present invention;

FIG. 12 is a flowchart illustrating an operation when recording data is handled in the disk recording / reproducing apparatus according to the eighth embodiment of the present invention;

FIG. 13 is a diagram showing a data recording method in a disk recording / reproducing apparatus according to a ninth embodiment of the present invention.

FIG. 14 is a diagram showing a data recording method in the disk recording / reproducing apparatus according to the tenth embodiment of the present invention.

FIG. 15 is a diagram showing a data recording method in a conventional disk recording / reproducing apparatus.

FIG. 16 is a diagram showing a difference in transfer speed depending on a radial position of a recording medium.

[Explanation of symbols]

 Reference Signs List 1 recording medium 2 outer peripheral area 3 inner peripheral area 4 recording / reproducing data 5 recording data 6 recording data during recording 7 existing recording data 8 recording data after moving 9 recording / reproducing data during recording 10 recording / reproducing data after recording 11 Recorded data after recording is completed

Continuation of the front page (72) Inventor Kohei Kubo 8-1, Koshinmachi, Takamatsu City, Kagawa Prefecture F-term in Matsushita Hisashi Denshi Kogyo Co., Ltd. 5D044 AB05 AB07 BC01 CC05 DE03 DE76 DE96 5D110 AA13 AA27 AA29 DA06 DA11 DA12 DB03 DD07

Claims (10)

[Claims] 1. A disk recording / reproducing apparatus for recording video / audio data on a recording medium and simultaneously reproducing the video / audio data recorded on the recording medium, wherein recording / reproducing data for simultaneous recording and reproduction are recorded on an outer peripheral area of the recording medium. A recording / reproducing apparatus for discs, wherein recording is performed by using an inner peripheral area of a recording medium. 2. The disk recording / reproducing apparatus according to claim 1, wherein the recording / reproducing data is recorded from an outer peripheral area to an inner peripheral area of the recording medium, and the recorded data is transmitted from an inner peripheral area of the recording medium to an outer peripheral area. A disc recording / reproducing apparatus for performing recording toward an area. 3. The disc recording / reproducing apparatus according to claim 1, wherein the existing recording data is reproduced while the recording data is being recorded using an inner peripheral area of a recording medium. A disc recording / reproducing apparatus, wherein the recording destination is moved from the inner peripheral area to the outer peripheral area for recording. 4. The disk recording / reproducing apparatus according to claim 3, wherein the recording data being recorded is recorded on a recording medium immediately before the reproduction of the existing recording data is performed. A disc recording / reproducing apparatus, wherein the disc is moved from an inner peripheral area to an outer peripheral area for recording. 5. The disk recording / reproducing apparatus according to claim 3, wherein the recording data being recorded is set to a recording destination of the recording data being recorded after the reproduction of the existing recording data is started. A disc recording / reproducing apparatus, wherein a disc is moved from an inner peripheral area to an outer peripheral area for recording. 6. The disk recording / reproducing apparatus according to claim 3, wherein the recording data being recorded moves to an inner peripheral area after recording is completed in an outer peripheral area of the recording medium. apparatus. 7. The disk recording / reproducing apparatus according to claim 1, wherein the recording / reproducing data moves to an inner peripheral area after recording is completed in an outer peripheral area of the recording medium. 8. The disk recording / reproducing apparatus according to claim 6, wherein the recording data or the recording / reproducing data is moved to an inner peripheral area of the recording medium by the disk recording / reproducing apparatus. A disk recording / reproducing apparatus, which is performed when access is not being performed. 9. The disk recording / reproducing apparatus according to claim 6, wherein the recording data or the recording / reproducing data recorded on the outer peripheral area of the recording medium is transferred from the outer peripheral area to the inner peripheral area of the outer peripheral area. A disc recording / reproducing apparatus, wherein the disc recording / reproducing apparatus moves toward an inner peripheral area. 10. The disk recording / reproducing apparatus according to claim 6, wherein the recording data or the recording / reproducing data recorded on the outer peripheral area of the recording medium is transferred from the inner peripheral part to the outer peripheral part of the outer peripheral area. A disc recording / reproducing apparatus, wherein the disc recording / reproducing apparatus moves toward an inner peripheral area.