KR100427550B1 - Method for recording a genre information for audio data and reproducing an audio each genre - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of recording genre information of audio data and a method of reproducing genres, wherein various types of genre information for a plurality of audio songs recorded on an optical disc, such as a DVD or a CD, may be used. The user can select and specify the audio reproduction operation according to the genre desired by the user based on the genre information, and thus, many audio songs recorded on the optical disc can be divided into various genres such as ballad, rock, pop, dance, etc. It is a very useful invention that makes it possible to sort and regenerate.

Description

Method for recording a genre information for audio data and reproducing an audio each genre}

The present invention relates to a method of recording genre information of audio data and a method of reproducing genres, and more particularly, a user can select and specify a genre for a plurality of audio songs recorded on an optical disc such as a DVD or a CD. In addition, the present invention relates to a method of recording genre information of audio data and a method of reproducing by genre, in which an audio reproducing operation by genre can be selectively performed.

1 shows a configuration of a general optical disc apparatus, which includes: an optical pickup 11 for reading out a signal recorded on an optical disc 10 such as a DVD or a CD; A decoder unit 12 for decoding the signal read out by the optical pickup and restoring the original audio data; A digital signal processing unit (13) for processing reproduction signals of the audio data restored by the decoder unit; A spindle motor 14 for rotating the optical disc 10; A sled motor (15) for moving the optical pickup in the horizontal direction with respect to the recording surface of the optical disk; A motor driver 16 for driving the spindle motor and the sled motor to rotate; A servo unit (17) for controlling the focusing servo and the tracking servo operation by operating the motor driver; A microcomputer 18 for controlling the operation of the constituent means according to a user key input; And a memory 19 for storing data necessary for controlling the operation of the microcomputer.

On the other hand, in the microcomputer 10, when the optical disk 10, such as a DVD or CD, is inserted and seated in the optical disk device, the servo unit 17 is controlled to operate in the lead-in area of the optical disk. Navigation information such as recorded top list contents (TOC) is first read out and recorded and stored in the memory 19. For example, the disc listing information TOC is recorded on the optical disc. Intro reproduction information for searching and reproducing only the first recording section of the respective audio songs can be recorded.

Accordingly, when the microcomputer 10 requests an intro playback operation according to a user's key input, the microcomputer 10 searches for the intro playback information among the disk list information stored in the memory 19, so that only a partial head recording section of each audio song is retrieved. The normal intro regeneration operation for selective regeneration is performed sequentially.

The user may select and input a playback key when it is determined that the currently playing audio song is the desired audio song while listening to a part of each audio song that is selectively played through the intro playback operation as described above. The microcomputer 19 receives this, stops the current intro playback operation, and performs a general audio playback operation of playing the corresponding audio song requested by the user from the beginning.

Therefore, the user can quickly select and play a specific audio song desired by the user through the intro playback operation of searching and reproducing only a partial section of many audio songs recorded on the optical disc.

However, in the above-described general optical disc device, many audio songs recorded on the DVD or CD are selected and reproduced by various types of genres such as, for example, ballad, rock, pop, dance, etc. Since there is no plan yet, there is an urgent need for a solution.

Accordingly, the present invention was created in view of the above situation, and the user selects various types of genre information for a plurality of audio songs recorded on an optical disc such as a DVD or a CD. The present invention provides a method of recording genre information of audio data and a method of reproducing genre for allowing a user to select and perform an audio reproducing operation for each genre based on the genre information.

1 shows a configuration of a general optical disk device,

2 shows disk list information recorded and stored in the memory of the optical disk apparatus according to the present invention;

3 is a flowchart illustrating an operation of a method of recording genre information of audio data according to the present invention;

4 is a flowchart illustrating a method of reproducing audio data by genre according to the present invention.

※ Explanation of code for main part of drawing

10: optical disc 11: optical pickup

12 decoder unit 13 digital signal processing unit

14: spindle motor 15: sled motor

16: motor drive unit 17: servo unit

18: Micom 19: Memory

In the method for recording genre information of audio data according to the present invention for achieving the above object, while performing an intro audio reproduction operation, genre information for a plurality of audio songs recorded on an optical disc is inputted by a user key. Determining genre information about the audio songs according to time; And recording the determined genre information in association with recording position information of the audio songs pre-stored in the apparatus. Also, the method for reproducing the audio data according to the genre according to the present invention is general audio. Determining a genre for audio songs to be read and reproduced from an optical disc according to an input time of a genre selection key input by user selection during a reproduction operation; And selecting and reproducing the audio songs corresponding to the determined genre based on the audio song recording position information recorded in association with the corresponding genre information previously stored in the apparatus.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a method for recording genre information of audio data and a method of reproducing genres according to the present invention will now be described in detail with reference to the accompanying drawings.

First, as described above with reference to FIG. 1, the optical disc apparatus applied to the genre information recording and genre reproducing method of audio data according to the present invention includes an optical pickup 11, a decoder unit 12, and a digital signal processor 13 ), A spindle motor 14, a sled motor 15, a motor driving unit 16, a servo unit 17 and a microcomputer 18, and a memory 19 are included, and the memory 19 includes: Data necessary for the operation control of the microcomputer 18 is recorded and stored, and navigation information such as disk list information TOC, which is first read from the lead-in area of the optical disc 10, is stored.

On the other hand, in the disk list information recorded and stored in the memory 19, as shown in FIG. 2, recording position information for some head recording sections of each audio song for performing the intro playback operation is divided for each disk. In addition, the recording position information, the genre (Genre) information for the audio song, and equalizer information indicating an equalizer adjustment value corresponding to the genre information may be stored in association.

In addition, the genre information and equalization information are recorded in association with the recording position information according to a user key input. For example, the genre information may be specified by selecting a genre for the corresponding audio songs as ballad, rock, pop, and dance. In this case, the data is divided into 4 bit genre information of '0001', '0010', '0011', and '0100', and the equalization information is' EQ_Info # representing different equalizer adjustment values according to the genre information. 1 ',' EQ_Info # 2 ',' EQ_Info # 3 ', and' EQ_Info # 4 '.

Therefore, the user can select and specify a genre for the corresponding audio song while listening to the audio through the intro playback operation on the optical disc device, and can also selectively play only the audio songs corresponding to the specific genre selected by the user. When the operation is described in detail as follows.

3 is a flowchart illustrating a method of recording genre information of audio data according to the present invention. As described above, when the microcomputer 18 requests to perform an intro playback operation from a user, the memory ( 19. Search and read the recording position information corresponding to a part of the head recording section of each audio song for intro reproduction among the disc list information TOC stored in 19), and search only some head recording sections of the audio songs recorded on the optical disc 10. A series of intro playback operations to be performed are performed (S10).

On the other hand, when the genre selection key is input from the user during the intro playback operation through the above process (S11), the microcomputer 18 checks the input time of the genre selection key. When the input time of the selection key is within a predetermined time set in advance, for example, within 0.5 seconds (S12), it is determined that the genre of the audio song currently being played is selected and designated by the ballad, and the corresponding prestored in the memory 19 is determined. The recording position information of the audio song and the genre information ('0001') indicating the ballad are cooperatively recorded, and the equalization information ('EQ_Info # 1') corresponding to the ballad is cooperatively recorded.

In addition, when the input time of the genre selection key is greater than 0.5 seconds but less than 1.0 second (S14), the microcomputer 18 determines that the genre of the audio song currently being played is selected as the lock and determines the memory. Recording position information of the corresponding audio song pre-stored in (19) and genre information ('0010') indicating a lock are cooperatively recorded, and equalization information ('EQ_Info # 2') corresponding to the lock is cooperatively recorded. .

On the other hand, if the input time of the genre selection key is greater than 1.0 second but less than 1.5 seconds (S16), it is determined that the genre of the currently playing audio song is designated as pop, and the corresponding prestored in the memory 19 is determined. The recording position information of the audio song and genre information ('0011') indicating the pop are cooperatively recorded, and the equalization information ('EQ_Info # 3') corresponding to the lock is cooperatively recorded.

When the input time of the genre selection key exceeds 1.5 seconds (S16), it is determined that the genre of the audio song currently being reproduced is selected and designated as a dance, and the corresponding audio song previously stored in the memory 19 is determined. The recording position information and the genre information ('0100') indicating the dance are cooperatively recorded, and the equalization information ('EQ_Info # 4') corresponding to the dance is cooperatively recorded.

On the other hand, the microcomputer 18 sequentially performs the intro playback operation simultaneously with the genre information recording operation as described above (S19), and the intro playback operation is requested to be terminated by a user's key input, or to each audio song. Detecting and confirming whether all the intro playback operations are completed (S20), the operation is repeatedly performed or terminated.

For reference, when the selection keys for each genre are separately provided in the optical disk device, the process of checking the input time of the genre selection key can be omitted as described above.

4 is a flowchart illustrating a method of reproducing audio data according to a genre according to the present invention. In the genre information recording process as described above with reference to FIG. When the user requests a general audio reproducing operation in a state in which recording position information, genre information, and equalization information are recorded, the microcomputer 18 sequentially reads and reproduces the audio songs recorded on the optical disc, Alternatively, a general audio reproducing operation of searching for and reproducing a specific audio song selected by the user is performed (S30).

On the other hand, in the microcomputer 18, when the genre selection key is input from the user during the normal audio reproduction operation as described above (S31), the input time of the genre selection key is checked. If the input time of the key is within a predetermined time set in advance, for example, within 0.5 seconds (S32), it is determined that the user has requested a selective playback of audio songs of the genre corresponding to the ballad, and the memory 19 The genre information ('0001') indicating the ballad is searched among the previously stored genre information.

Then, the start recording position information of the audio song stored in association with the retrieved genre information ('0001') is read, and only the audio songs selected by the user are selected and played by the ballad. The equalizer adjustment value is variably adjusted using the equalization information 'EQ_Info # 1' corresponding to the ballad, so that the audio reproduction sound can be output as a sound sound suitable for the ballad (S33).

On the other hand, if the input time of the genre selection key exceeds the preset 0.5 seconds, but less than 1.0 seconds (S34), it is determined that the user has requested a selective playback of the audio songs of the genre corresponding to the lock, the The genre information '0010' indicating the lock is searched among the genre information previously stored in the memory 19.

Then, the start recording position information of the audio song stored in association with the retrieved genre information ('0010') is read, and only the audio songs selected by the user are selected and played by the lock, and the equalizer for the corresponding audio song being selected and played is selected. The adjustment value is variably adjusted using the equalization information 'EQ_Info # 2' corresponding to the lock, so that the audio reproduction sound can be output as a sound suitable for the lock (S35).

In addition, when the input time of the genre selection key exceeds the preset 1.0 second but is within 1.5 seconds (S36), it is determined that the user has requested a selective playback of an audio song of the genre corresponding to the pop. The genre information '0011' indicating the pop is searched among the genre information previously stored in the memory 19.

Then, the start recording position information of the audio song stored in association with the searched genre information ('0011') is read, and only the audio songs selected by the user are selected and played by pop, and the equalizer for the corresponding audio song is selectively played. The adjustment value is variably adjusted using the equalization information 'EQ_Info # 3' corresponding to the pop, so that the audio reproduction sound can be output as a sound suitable for the pop (S37).

On the other hand, when the input time of the genre selection key exceeds 1.5 seconds set in advance (S36), it is determined that the user has requested a selective playback of audio songs of the genre corresponding to the dance, and the memory 19 The genre information ('01000') representing the dance is searched among the genre information previously stored in the.

Then, the start recording position information of the audio song stored in association with the retrieved genre information ('01000') is read, and only the audio tracks selected by the user are selected and reproduced, and the equalizer for the corresponding audio song is selectively played. The adjustment value is variably adjusted using the equalization information 'EQ_Info # 4' corresponding to the dance, so that the audio reproduction sound can be output as a sound suitable for the dance (S38).

Meanwhile, the microcomputer 18 sequentially performs the genre-based audio playback operations as described above (S39), and the genre playback operation is requested to be terminated by a user's key input, or all of the playback operations for the corresponding audio songs are completed. If it is detected (S40), the operation is repeated or terminated.

For reference, if the optical disk device is provided with a selection key for each genre separately, the step of checking the input time of the genre selection key can be omitted as described above, and before the general audio playback operation, Priority can be specified for a plurality of genres, and the audio songs can be sequentially selected and reproduced according to the priority and genre.

As mentioned above, preferred embodiments of the present invention are disclosed for the purpose of illustration, and those skilled in the art can improve and change various other embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. , Replacement or addition would be possible.

The genre information recording and genre reproducing method of the audio data according to the present invention as described above comprises various types of genre information for a plurality of audio songs recorded on an optical disc such as a DVD or a CD. In addition, the user can select and designate the audio genre according to the genre information that the user wants. Based on the genre information, a plurality of audio songs recorded on the optical disc, such as ballad, rock, pop, dance, etc. It is a very useful invention that can be classified and screened by genre.

Claims (8)

Determining genre information on the audio songs according to a user's input time of genre information on the plurality of audio songs recorded on the optical disc during an intro audio reproduction operation; And And recording the determined genre information in association with recording position information of the audio songs previously stored in the apparatus. The method of claim 1, And cooperatively recording equalizer information corresponding to the cooperatively recorded genre information into recording position information and genre information for the audio songs. delete delete Determining a genre for audio songs to be read and reproduced from the optical disc according to an input time of the genre selection key input by user selection during the normal audio reproduction operation; And And reproducing audio songs corresponding to the determined genres based on the audio song recording position information recorded in association with the corresponding genre information previously stored in the apparatus. The method of claim 5, And reading out equalizer information recorded in association with the genre information, and varying an equalization control value for the selectively reproduced audio songs. delete The method of claim 5, In the first step, by inputting a desired genre selection key from a plurality of genre selection keys, only audio songs of the corresponding genre are reproduced.