KR20000024814A - Disk recording method for reproducing at maximum velocity in disk record system - Google Patents

Abstract

PURPOSE: A disk recording method for reproducing at maximum velocity in a disk record system is provided to improve a reproducing velocity at reproducing disk information by making null data recorded at an inner circumference and last information recorded at a maximum circumference when the amount of recorded data is less than a program region. CONSTITUTION: A disk recording method comprises the steps of: driving a record system by data provided from a person computer according to the setting of a record mode(S1,S2); recording TOC data based on the provided data to calculate the amount of factual recorded data (S3,S4); calculating data recording end location based on the calculated data amount to then null data at a program region in an inner circumference prior to the record end location(S5,S6); recording data to be recorded actually at a residual program region after the program region, in which the null data is recorded, to then record the last of the recorded information at the maximum circumference of the program region(S8).

Description

Disc recording method for maximum speed playback in disc recording systems

The present invention relates to a disc recording method for reproducing at a maximum speed in a disc recording system. More specifically, in recording information on a CD or DVD, the amount of data to be actually recorded is calculated so that the data is smaller than the program area. In the case of data, the data is recorded at the maximum speed in the disc recording system to improve the reproduction speed of information during playback by recording null data in the program area of the inner circle and having the end of the actual information recorded at the outermost circumference of the program area of the disc. A recording method of a disc for reproduction.

In general, a compact disc player mainly consists of an optical system, a motor drive system, and a signal system, which irradiates data engraved on a pit of a compact disc through an optical signal, and reads data by using a difference in light quantity of the beams returned by the irradiated beam. Device.

As shown in Fig. 1, the data format structure of the disc C, which is usually inserted into the tray E of the compact disc player, is divided into a lead-in area B, a program area B ', a lead-out area C, and the like. In the lead-in area B, which is the inner circumferential part of the disc, the number of songs contained in the disc, the time and total time of each song, and the addresses of the first part and the index part of each song are recorded. of Tiosi, which is repeatedly recorded in the lead-in area (B).

The actual data is recorded in the program area B ', and in order to read the data, the optical pickup actuator D is transferred in the inner circumferential direction A of the disk C, and the lead-in of the disk C is read. As a result of reading the thio data recorded in the area B and moving it in the circumferential direction A ', the sub cue signal is checked while jumping the track of the program area B' to finally perform the desired playback operation of the desired song. do.

On the other hand, the compact disc player as described above usually controls the spindle motor by the CLV (Constant Linear Velocity) method, but this method is used to play the disc as the recording medium as the playback speed of the compact disc player or DVD player increases. Due to the large speed difference between the motor and the spindle motor, there was a disadvantage in that a significant load was generated.

Therefore, at present, most compact disc players control the speed at a constant speed in a CAV (Constant Aangle Velocity) method, so that the speed of the spindle motor is set to be the maximum speed when the outermost periphery of the disc is read.

However, the compact disc player or DVD player as described above reads the information recorded on the disc by controlling the spindle motor by the CAV method at a high speed. In recording substantial data in the program area, the data is recorded from the inner circumference to the outer circumferential direction. This results in a portion where no information is recorded in the outer circumferential direction of the program area. Since the actual maximum playback speed of the player is set based on the outermost circumference of the current program area, a disc whose data has not been recorded in the outermost program area is recorded. There was a problem that the playback operation can not play at the maximum speed that the player performance is reduced.

In other words, the data to be recorded on the disc is generally smaller than the current program area. For example, when recording one or two songs to the disc, this information is recorded from the inner circumference to the outer circumference of the program area. The maximum playback speed can be maintained, but if the recording is actually on the inner circumference, the player's signal playback speed is relatively reduced.

Accordingly, the present invention has been made to solve such a problem, and when recording data on a disk, the present invention calculates the amount of information to be actually recorded, and if the data is less than the program area, null data is provided in the inner circumference of the program area. The purpose of the present invention is to provide a disc recording method for reproducing at a maximum speed in a disc recording system that can improve the reproducing speed when reproducing information of a disc by recording a disc and making the end of actual information recorded at the outermost periphery of the program area. have.

On the other hand, the present invention for achieving the above object is the step of driving the recorder by the data input from the personal computer as set to the recording mode, and the amount of data to be recorded and the actual data to be recorded based on the input data Calculating a recording end position of the data at the time of recording on the disk based on the calculated data amount, and recording null data in the program area of the inner peripheral before the recording end position; And recording the data in the remaining program area after the program area in which null data is recorded, and recording so that the end of the information to be recorded is located at the outermost periphery of the program area.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view for explaining an area of a disc mounted in a general player.

2 is a block diagram illustrating the operation of the disc recording system according to the present invention;

3 shows an actual recording area of a disc by data recording according to the present invention;

4 is a flow chart illustrating a method of recording information on a disc for reproduction at the maximum speed according to the present invention.

<Explanation of symbols for main parts of drawing>

100: playback system 200: recorder

300: microcomputer 400: PC

110: RF amplifier 120: DSP

130: decoder section 140: buffer section

150: spindle motor 160: motor drive part

210: encoder section 220: ATIP decoder section

230: pickup drive unit D: disk

P: Optical Pickup Actuator

Hereinafter, the present invention will be described in detail with reference to the accompanying exemplary drawings.

The recording apparatus of the disk to which the method of the present invention is applied is largely composed of a reproduction system 100, a recording system 200, a control unit and the like as shown in FIG.

Here, the recorder 200 decodes the tracking error detected by the RF amplifier 110 into predetermined data to extract predetermined time information, and the ATIP decoder 220 and the encoder unit. A pickup driver 230 for driving the optical pickup actuator D to perform a recording operation according to the control signal of the microcomputer 300 according to the data signaled by the 210, and the data input from the PC 400 is encoded. The encoder 210 is configured to process and record data on a disc based on the time information extracted by the ATIP decoder 220.

In addition, the regeneration system 100 drives the motor driving unit 160 to operate according to the control signal of the microcomputer 300 based on the time information extracted from the ATIP decoder 220, and the driving operation of the motor driving unit 160. Spindle motor 150 is rotated while maintaining at a constant speed by the drive, and the disk (C) is rotated by the drive of the spindle motor 150 is installed below the disk (C) to return as a predetermined beam is irradiated An optical pickup actuator (D) for reading optical information through an incoming beam, an RF amplifier (110) for amplifying the optical information read through the optical pickup actuator (D) into an RF signal, and the RF amplifier (110) And a DSP unit 120 for digitally processing the optical information signal amplified by the &lt; RTI ID = 0.0 &gt;) and a decoder 130 for decoding the digital signal processed data in the DSP 120. &lt; / RTI &gt;

On the other hand, the data recording operation on the disk in accordance with the present recording device having such a configuration will be described in detail as follows.

First, when a mode to receive predetermined data from the PC 400 and record it on a disc is set through a key input unit (not shown), the microcomputer 300 applies a predetermined control signal to the reproduction system 100. That is, the microcomputer 220 applies a predetermined control signal to the motor driving unit 160, thereby causing the spindle motor 150 to rotate. As a result, the disk C provided thereon by the rotation of the spindle motor 150 interlocks to rotate by the CVL method.

Therefore, the predetermined tracking error signal is input to the ATIP decoder 220 through the RF amplifier 110. At this time, the ATIP decoder 220 extracts predetermined time information by the input tracking error signal and inputs the extracted signal to the microcomputer 300 and the encoder 210, respectively.

The time information signal input to the microcomputer 300 is to record data input to the encoder unit 210 on the basis of the currently input time information, that is, the microcomputer 300 is the ATIP decoder unit. The driving signal of the motor driver 160 is applied according to the time information extracted at 220. Therefore, as the motor driving unit 160 is driven, the rotation speed of the spindle motor 150 is controlled to maintain the disk C at a constant speed.

On the other hand, the data input to the encoder 210 during the above operation is signal processed to manipulate the data to be recorded on the disc by the control signal of the microcomputer (300). That is, the microcomputer 300 reads a table of contents (TOC) in which data information input from a PC, that is, the number of songs, the time and total time of each song, and the address of the first part and the index part of each song are recorded. Record repeatedly in the phosphorus region. The actual data amount input from the PC 400 is calculated according to the control signal of the microcomputer 300, and the end sector position of the data to be recorded in the amount of the information is calculated and stored in the memory. Then, in the recording area in the program area according to the control signal of the microcomputer 300, the optical pickup actuator D stores NULL data in the inner circumferential direction of the disk C, that is, the inner circumference of the disk which is a space in which no data is to be recorded. When recording and the recorded position reaches the stored sector position, the actual data is recorded in the program area which is a free space on the disk. Therefore, the last recorded data is located at the outermost circumference of the program area of the disc.

Therefore, as shown in FIG. 3, TOS (TOC) data is repeatedly recorded in the lead-in area B, while the actual data is recorded at the outermost circumference in the program area B 'of the disc. The end of is located (H area), and NULL data is recorded in the inner peripheral area of the program area. (G area)

On the other hand, a disc recording method for reproducing at the maximum speed according to the above operation to which the present invention is applied is as follows.

First, the apparatus set to the recording mode proceeds to the data input step S1 and proceeds to the recorder driving step S2. Therefore, in this recorder driving step S2, data input from the personal computer is input and the procedure proceeds to the thioscis data recording step S3. Therefore, in this tiosi data recording step S3, the number of songs according to the data, the time and total time of each song, the address of the beginning of each song and the index part, etc. are recorded in the lead-in area based on the currently input data, and the actual data is recorded. Proceed to the measurement step (S4).

Then, in this actual data measuring step S4, the amount of data to be actually recorded is calculated by the inputted information, and the process proceeds to the data recording end position measuring step S5. Therefore, in this data recording end position measuring step S5, the recording end position of the data at the time of recording on the disc is calculated on the basis of the calculated data amount, and the process proceeds to the null data recording step S6. Therefore, in this null data recording step S6, the data is recorded as null data until the address of the program area in which substantial data is to be recorded is input, and the process proceeds to the null data recording completion determination step S7. If it is determined in the null data recording completion determination step (S7) that the null data is recorded until the position of the disc on which the real data is to be recorded, the process proceeds to the real data recording step 89. Therefore, in this actual data recording step S8, the actual data is recorded in the remaining program area (the outer circumferential side) after the program area in which null data is recorded, and the actual data recording completion determination step S9. Proceed to).

Therefore, when it is determined that the recording operation of the actual data is ended as a result of the determination in the actual data recording completion determination step 9, the operation proceeds to the recording session ending step S10 to complete the operation according to the data recording and ends the present loop.

As described above, in recording data on the disc, the amount of information to be actually recorded is calculated, and if the data is less than the program area, null data is recorded in the inner circumference of the program area, and the end of the actual information is programmed. By recording at the outermost periphery of the area, the playback speed is improved when the information on the disc is played back, so that the system can be played back at the maximum playback speed of the system. There is.

Claims (1)

Driving the recorder with data input from the personal computer as set to the recording mode; recording tiosi data based on the input data and calculating the amount of data to be actually recorded; Calculating the recording end position of the data at the time of recording on the disk and recording the null data in the program area of the inner peripheral before the recording end position, and the program in which the null data is recorded as the actual data to be recorded. Recording in the remaining program area after the area and recording so that the end of the information to be recorded is located at the outermost periphery of the program area. A disc recording method for reproducing at a maximum speed in a disc recording system.