JPH10162549A - Signal recording/reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a signal recording/reproducing device for easily generating additional information recorded at a recording medium along with music data. SOLUTION: It is judged whether information is stored in a region for information or not (ST1), and then it is judged whether paste processing with the information as additional information is performed or not (ST3). Paste processing is performed for the additional information ST4. When no information is stored or the information is not used as additional information, information is generated by an input key (ST3). When additional information is determined (ST5), editing processing is completed. Otherwise, it is judged whether information displayed at a display part is copied or not (ST6). When the information is to be copied, the start and end positions of information are set and information within this range is stored in a region for information (ST11). And it is judged whether the information is pasted or not (ST12). Since the information at the display part can be utilized, it is not necessary to generate the same information by operating the input key, thus generating additional information easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a signal recording / reproducing apparatus. More specifically, it is intended to read out additional information of music data recorded together with music data on a recording medium, select necessary information, and to easily generate new additional information using the selected information. .

[0002]

2. Description of the Related Art Conventionally, in a signal recording / reproducing apparatus for recording and reproducing music data and the like, for example, a mini-disc apparatus, a mini-disc having a configuration as shown in FIG. 3 is used as a recording medium. In FIG. 3, a clamping plate 10a for holding a disc is provided at the center of the mini disc 10.
Is provided. A lead-in area 10b is formed on the innermost circumference of the laser beam irradiation surface side of the mini-disc, and in a read-only disc, a TOC (Table of Control) such as disc information, track information, and recording information is used.
tents) information is recorded. A user TOC area 10c is formed on the outer peripheral side of the lead-in area 10b.
In addition, additional information such as music data recorded in a program area 10d described later is recorded.

Further, a program area 10d is formed on the outer peripheral side of the user TOC area 10c, and music data and the like are recorded in the program area 10d. Note that a lead-out area 10e is formed on the outer peripheral side of the program area.

[0004]

When various types of additional information are recorded in the above-mentioned user TOC area 10c, additional information is generated by selecting characters one by one. For example, when copying music data from a CD (compact disk) to a mini-disc or creating an omnibus disc, when recording the title of a song or the name of a player as additional information, the title of the album and the title of the song in the music data When the same title is recorded, the same song is recorded in a different song arrangement, or when there are multiple songs by the same player, the same character is used for each character even if the song name or the player name is the same. It is necessary to select and generate new additional information, and the operation is complicated.

Accordingly, the present invention provides a signal recording / reproducing apparatus capable of easily generating additional information recorded on a recording medium together with music data.

[0006]

A signal recording / reproducing apparatus according to the present invention is a signal recording / reproducing apparatus for recording and reproducing additional information of music data together with music data.
The additional information is read from a recording medium, necessary information is selected from the read additional information, and additional information of new recording data is generated using the selected information.

According to the present invention, the additional information recorded on the recording medium is read, and new additional information is generated using the read additional information.

[0008]

Next, an embodiment of a signal recording / reproducing apparatus according to the present invention will be described with reference to the drawings.

FIG. 1 shows the configuration of a signal recording / reproducing apparatus, for example, a mini-disc apparatus. A mini-disc 10 is driven to rotate by a spindle motor 11, and a recording head 12 is provided on one side (upper face in the figure) of the mini-disc. The optical pickup 13 is disposed on the lower surface side.

An analog recording audio signal Sin supplied from the outside to the audio signal input terminal 15 is converted from an analog signal to a digital signal of, for example, 16 bits by an A / D converter 16 and then converted to a first signal processing unit 17. Is subjected to a compression process (encoding process) of the signal, and thereafter, a second signal is transmitted through a memory controller 18 provided for vibration proof.
Is supplied to the signal processing unit 20. The memory controller 18 will be described later.

The second signal processing unit 20 converts the music data into a signal suitable for recording on a disk,
In this example, EFM (Eight to Fourteen Modulation) is modulated and CIRC (Cross Interleave Reed-Solom
On code), an encoding process for error correction is performed. The music data that has been EFM-modulated and subjected to the error correction processing is stored in the recording head 12.
Is recorded on the mini-disc 10.

The music data reproduced by the optical pickup 13 is supplied to a second signal processing section 20 through an RF amplifier 22 and demodulated. Then, it is supplied to the memory controller 18 for earthquake resistance.

The memory controller 18 is for ensuring that reproduced data is output without fluctuations in the time axis even when the disk vibrates during reproduction. For this reason, the memory controller 18 is provided with a DRAM 19 for temporarily holding reproduction data.

Using the DRAM 19, the memory controller 18 performs earthquake-resistant processing and supplies music data having a uniform time axis to the first signal processing unit 17.

The DRAM 19 holds not only the reproduction data but also the TOC information of the lead-in area 10b read from the mini disc 10 and the information of the user TOC area 10c. The information of the user TOC area 10c is displayed using a display unit 36 described later.

The first signal processing unit 17 is provided with a decoder, and the music data from the memory controller 18 is subjected to audio signal decompression processing by the decoder.
/ A converter 23.

In the D / A converter 23, the music data subjected to the audio signal decompression process is converted into an analog signal, and is output from the audio signal output terminal 24 as a reproduced audio signal Sout.

A motor servo circuit 31 is provided in the system controller 30, and the rotation speed of the spindle motor 11 is controlled based on a signal from the optical pickup 13. The control unit 32 performs various controls required for the system, such as various signal processing, input processing, and display processing.

An input key 35 for inputting information relating to recorded music data is connected to the system controller 30. Information input by operating the input key 35 is provided to the system controller 30. Is temporarily stored in the information area 33a of the RAM 33. Thereafter, when desired information is held in the information area 33a, the desired information is written to the user TOC area 10c of the mini disc 10.

A display unit 36 is connected to the system controller 30. A predetermined amount of information held in the DRAM 19 is stored in a display area 33b of the RAM 33, and is stored in the display area 33b. The displayed information is displayed on the display unit 36. The display unit 36 also displays the operation state of the input keys 35, the operation state of the mini disk device, and the like.

When music data is recorded on the mini-disc 10, information on the recorded music data, for example, information such as a recording start address and an end address of the music data is stored in the user TOC area 10c. In addition, the input key 35 is operated to generate information such as the title of the music data and the name of the performer.
It is recorded in the area 10c.

Here, an editing process for generating information relating to music data will be described with reference to the flowchart of FIG.

First, in step ST1, information is stored in the RAM3.
It is determined whether the information is stored in the third information area 33a. When it is determined in step ST1 that the information is stored, the process proceeds to step ST2, and when it is determined that the information is not stored, the process proceeds to step ST3.

In step ST 2, the data in the information area 33 a of the RAM 33 is
It is determined whether or not to perform the paste processing as the additional information recorded in the OC area 10c. If the paste process is not performed, the process proceeds to step ST3. If the paste process is performed, the process proceeds to step ST4.

In step ST3, the input key 35 is operated to input information. In this case, for example, the input key 35 is operated to input information one character at a time, and step S
Proceed to T5.

In step ST4, the information stored in the information area 33a of the RAM 33 is used as additional information, and the process proceeds to step ST5.

In step ST5, it is determined whether or not the additional information has been determined. Here, when the additional information is determined, the editing process ends, and when the additional information is not determined, the process proceeds to step ST6.

In step ST6, it is determined whether or not the information of the user TOC area 10c displayed on the display unit 36 is to be copied. Here, if the copying is not performed, the process returns to step ST1, and if the copying is performed, the process returns to step ST7.
Proceed to.

In step ST7, the cursor is moved, and the flow advances to step ST8.

In step ST8, it is determined whether or not the position of the cursor has been set to the head position of the information to be copied. Here, when it is determined that the position is the head position, step ST
Then, the process returns to step ST7 to continue the movement of the cursor.

In step ST9, the cursor is moved in the same manner as in step ST7, and the process proceeds to step ST10.

In step ST10, it is determined whether or not the cursor position is the last position of the information to be copied. Here, when the position is determined as the last position, step ST
The process proceeds to step 11, and if the last position has not been reached, the process returns to step ST9 to continue the movement of the cursor.

In step ST11, the copy information from the top position set in step ST8 to the last position set in step ST10 is stored in the RAM 33.
And the process proceeds to step ST12.

In step ST12, it is determined whether or not to perform a paste process using the data newly stored in the information area 33a of the RAM 33 as additional information to be recorded in the user TOC area 10c of the mini disc 10. If the paste process is not performed, the process returns to step ST3 and the input key 35 is operated to input information, for example, one character at a time. When performing the paste processing, step ST4
The information stored in the information area 33a of the RAM 33 is used as additional information.

In the same manner, desired information is copied from the information displayed on the display unit 36 to obtain additional information. If the information is the same, the input keys are operated to input the same additional information one character at a time. The operation can be facilitated without the need to generate the By operating the input key 35, the RA
If the information in the display area 33b of the M33 is updated with the information of the DRAM 19, new information can be displayed on the display unit 36, so that more information can be copied to make the generation of additional information easier. can do.

As described above, according to the above-described embodiment,
Information to be newly recorded can be easily generated using information recorded on the mini-disc 10. In addition,
The recording medium is not limited to the mini-disc, and the data to be recorded is, of course, not limited to music data.

[0037]

According to the present invention, the additional information recorded on the recording medium is read, and new additional information is generated using the read additional information. Can be easily generated.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of an embodiment of a signal recording / reproducing apparatus according to the present invention.

FIG. 2 is a flowchart showing an edit process.

FIG. 3 is a plan view of the mini disc.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Mini disk 10c User TOC area 10d Program area 18 Memory controller 19 DRAM 30 System controller 33 RAM 33a Information area 33b Display area 35 Input key 36 Display part

Claims (1)

[Claims] 1. A signal recording / reproducing apparatus for recording and reproducing additional information of music data together with music data, reads the additional information from a recording medium, and selects necessary information from the read additional information. A signal recording / reproducing apparatus for generating new additional information using the selected information.