KR0169696B1 - Device and method for singing practice of karaoke machine - Google Patents

Abstract

The present invention relates to a song practice apparatus and a method thereof in an image flexible reciprocator, and which displays the lyrics of a song selected by the key input means (40) and outputs an accompaniment for song practice. In the half cycle period, the first step of determining the setting of the song practice mode, the second step of storing the start time for each subtitle section, each subtitle for the accompaniment sound level of the audio signal input through the microphone (4) A third step of storing score data for each section; a fourth step of calculating an average score based on the score data for each subtitle at the end of a song, determining a rank for each subtitle section, and outputting it to the monitor of the video flexible music processor; And a fifth step of reading the video / audio signal for the corresponding subtitle section and outputting the accompaniment sound and lyrics subtitles through the video flexible repeater. In practice mode, the song practitioner selects a specific subtitle section with the power to identify the vulnerable parts by outputting the scores for each subtitle section separately on the monitor in addition to the scoring scores (ie average score) according to the current song end. In this case, only the accompaniment sound for the subtitle section and the video / audio signal according to the background screen and the lyrics of the subtitle are reproduced and output so that the satisfaction of song practice can be improved.

Description

Apparatus and method for singing practice in video flexible cyclic machine

1 is a block diagram showing a song practicing apparatus in an image flexible music processor according to an embodiment of the present invention.

2 is a diagram showing an example of the configuration of the key input unit shown in FIG.

3 is a flowchart for explaining a song practicing method in an image flexible music processor according to an embodiment of the present invention.

(A), (b) of FIG. 4 is a figure which shows the application example of this invention.

* Explanation of symbols for main parts of the drawings

2: Video Information Source 4: Microphone

10, 22, 28: low pass filter 12, 24: analog / digital conversion unit

14: digital signal processor 16: digital / analog converter

18: voice detector 20: accompaniment sound processor

36: comparison unit 30: mixing unit

32: audio signal amplifier 34: video detector

36: video signal processor 38: video signal amplifier

40: key input unit 52: timer

54: caption score data storage section 56: caption ranking unit

58: control unit 60: OSD processing unit

The present invention relates to a song practice apparatus and a method thereof in a video music player cycle, and more particularly, after the song practicer's song ends, outputting the ranking according to the score of each song's subtitle section on a monitor, and then When a subtitle section is selected, the accompaniment sound and lyrics subtitles corresponding to the subtitle section are output through the image flexible music repeater so that only the weak part of the song can be repeatedly practiced. will be.

In general, the karaoke or the karaoke or general household is equipped with a song practitioner or a family member to promote friendship, improve singing skills, and relieve stress. When the song practitioner inputs the voice signal using the voice input device (microphone) in accordance with the accompaniment sound output through the microphone, the input voice signal is mixed with the accompaniment sound and output to the speaker. The score is calculated on the basis of the input voice signal and output on the monitor.

In the image flexible music periodical, for example, a song practitioner calculates a score for a song sung along with an accompaniment and lyrics subtitles (for example, subtitles composed of four verses) and displays the score on a monitor constituting the video flexible music periodical. According to the calculation method, the envelope is detected based on the voice signal of the song practitioner, and the score is scored based on the tracking degree of the accompaniment sound. Since the level similarity of the speech signal (ie accompaniment follow-up) for the accompaniment sound was calculated, it was impossible to distinguish between the part with the high score and the part with the low score.

In addition, even if a song practitioner wants to practice only the vulnerable part in a particular song, the satisfaction of the song practice is low because the entire song must be called from the beginning to the end of the song.

Accordingly, the present invention has been made in view of the above circumstances, and in the practice practice mode, the scores according to the current song end (ie, the average score) in addition to the scores for each subtitle section are output on the monitor separately to the vulnerable part. In addition, when the song practitioner selects a specific subtitle section, only the accompaniment sound for the subtitle section and the video / audio signal according to the background and the subtitle of the subtitle section can be reproduced to improve the satisfaction of the song practice. It is an object of the present invention to provide a device and a method for practicing the song in the flexible music processor.

According to an embodiment of the present invention, a song practicing apparatus in an image flexible repeater includes a key input unit including a plurality of buttons for selecting an operation of an image flexible repeater and a song practicing button for setting a song practice mode. And processing the accompaniment sound signal of the specific song in the video flexible information source selected by the key input unit and the video signal including the subtitle information, and mixing the audio signal input through the microphone with the accompaniment sound signal. Image / audio signal processing means operable to perform; tracking degree detecting means for detecting a following degree of a voice signal of a microphone user with respect to an accompaniment sound currently output; an average score based on a signal from the following degree detecting means in a song practice mode In addition, the currently selected song is played by calculating the score of each selected subtitle section and the ranking of the subtitle section. A subtitle score data storage for storing the score data for each subtitle section under control of the controller, and determining the subtitle section ranking based on the score data for each subtitle section under control of the controller. And a OSD processing unit for generating and displaying OSD character information on the average score, the score for each subtitle section, and the ranking for each subtitle section under the control of the control unit.

Preferably, the control unit stores a start time for each subtitle section when the song practice mode is set, and when a specific subtitle section is selected in response to the average score output on the monitor and the ranking for each subtitle section, the control unit performs accompaniment sound for the subtitle section. The housekeeping subtitles are controlled to be output through the image repeater cycler.

In addition, the song practice method in the image flexible music playing device according to another embodiment of the present invention for realizing the above object is to display the lyrics of the song selected by the key input means and the accompaniment for the song practice In the image flexible music repeater for outputting a video, the first step of determining the setting of the song practice mode, the second step of storing the start time for each subtitle section, the accompaniment sound level of the audio signal input through the microphone A third step of storing score data for each subtitle section, and a fourth step of calculating an average score based on the score data for each subtitle at the end of a song, determining a rank for each subtitle section, and outputting the result to the monitor of the video flexible repeater A fifth step of outputting an accompaniment sound and a lyrics subtitle through the image flexible music processor by protruding the video / audio signal for the corresponding subtitle section when a specific subtitle is selected. Characterized in that configured to include.

Preferably, the reading of the video / audio signal for the corresponding caption section is performed in the fifth step based on the caption start time stored in the second step.

According to the present invention having the above-described configuration, when the song practicer and the audible diagnostic mode are set, the average score and the ranking for each subtitle section are simultaneously displayed on the monitor when the specific song is finished. If you select, the subtitles and accompaniment sounds corresponding to the subtitle section are repeatedly output, thereby improving the satisfaction of singing practice for a particular part.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

FIG. 1 is a block diagram showing a song practicing apparatus in an image flexible recording apparatus according to an embodiment of the present invention, wherein reference numeral 2 denotes background image information, lyrics character information, and accompaniment of a predetermined moving or still image. An image flexible information source, which contains sound information and the like, indicates a microphone for inputting an audio signal generated by a song practitioner to a corresponding image flexible music processor.

Reference numerals 10 and 28 denote low pass filters (LPFs) for removing high frequency components by low pass filtering a voice signal of a song practitioner input from the microphone 4 to a predetermined frequency band, and 12 denotes a low pass filter. An analog-to-digital converter (ADC) for digitally converting the voice signal, which is low-pass filtered from the filter 12 and output, is subjected to a predetermined sampling / hold processing operation.

Further, reference numeral 14 reads from the image information, lyrics character information, accompaniment sound information, etc. recorded in the image flexible information source 2 by an optical pickup device (not shown) according to the key operation of the key input unit 40, which will be described later. Digital signal processor (DSP) that extracts necessary information without deterioration of sound quality / quality by performing arithmetic processing such as filter or Fourier transform on signals such as sound, audio, video etc. A digital / analog converter (DAC) converts a digital component signal output from the digital signal processor 14 into an analog signal.

Reference numerals 18, 20, 30, and 32 denote audio processing of the accompaniment sound read out from the video flexible information source 2 and the voice signal of the song practitioner input through the mite 4 to be output to a speaker (not shown). As a voice signal processing means for designating a reference numeral 18, a voice detector for detecting only a voice signal among signals of analog components output from the digital / analog converter 16, and 20 is a voice detected from the voice detector 18. Accompaniment sound processing unit for performing the accompaniment sound processing, such as echo processing or chord processing for the signal, 30 is the low-pass filter is output from the low-pass filter 28 and the accompaniment sound processing unit 20 Mixing unit for mixing the accompaniment sound signal of, 32 represents a voice signal amplification unit for amplifying so that it can be output through the voice signal speaker output from the mixing unit (30).

Further, reference numerals 34, 36, and 38 denote image signal processing means for outputting image information and lyrics character information, etc. according to a background screen read out from the video flexible information source 2, onto a monitor. Is an image detector for detecting only an image signal in the signal signal of the analog component output from the digital and analog converter 16, and 36 is a key input unit to receive the image signal detected from the image detector 34 to be described later. OSD character for visually displaying the current control state (eg, STOP, PAUSE, etc.) for the corresponding image from the OSD processor 60 to be described later. An image signal processor 38 for inserting and processing a signal is provided so that an image signal from the image signal processor 36 can be displayed on a monitor of a corresponding image flexible repeater. The video signal amplifying portion to be amplified is shown.

On the other hand, reference numerals 22, 24, and 26 in FIG. 1 are comparison means for detecting a tracking degree of an audio signal input through the microphone 4 to the accompaniment sound output from the accompaniment sound processor 20. Reference numeral 22 is a low pass filter (LPE) for removing high frequency components of the accompaniment sound signal output from the accompaniment sound processor 20, and 24 denotes a digital signal of the accompaniment sound signal of the analog component from the low pass filter 22. An analog / digital converter (ADC) for converting 26 compares the frequency tracking degree of the audio signal output from the analog / digital converter 12 with respect to the accompaniment sound signal output from the analog / digital converter 24. To show a comparison section for detecting the accompaniment sound following.

In addition, reference numeral 40 is a key input unit for inputting a control signal for performing overall control of the corresponding image flexible panel cycler, which is typically composed of a control panel installed on the front of the image flexible panel cycler and a remote controller for remote control. 40, this key input section 40 has a 10-key 41 for selecting a song number corresponding to the selection, a pitch control button 42 for adjusting the pitch of the pitch, and a beat for adjusting the beat. The fast adjustment button 43, the reservation button 44 for reserving the song number selected by the 10-key 41, the stop button 45 for stopping the currently playing song, the 10-key 41 Is provided with a play button 46 for starting the performance of the tune selected or reserved music and a song practice button 47 for setting the song practice mode in accordance with the present invention.

Further, reference numeral 52 denotes a timer for generating predetermined time data, and 54 denotes each subtitle calculated based on the accompaniment sound following degree output from the comparator 26 in the song practice mode under the control of the controller 58 to be described later. Subtitle score data storage unit for storing the score data of the section, 56 in the song practice mode under the control of the controller 58 sorts the score data of each subtitle section in order of high score to determine the rank according to the subtitle score As a control unit for controlling the overall function of the video flexible music repeater corresponding to the control signal input from the key input unit 40, the control unit 58 is the comparison unit in the song practice mode The score data of each subtitle section outputted from (26) is stored in the subtitle score data storage section 54, and the subtitle ranking determiner 56 score data of each subtitle section. After the subtitle section is ranked, the subtitle section ranking is controlled so that the corresponding image is displayed on the monitor of the main body.

In addition, reference numeral 60 generates an OSD text signal for performing display of text information for function control set by the key input unit 40 under the control of the controller 58, and the subtitle in the song practice mode. The OSD processing unit generates an OSD text signal for displaying information on the ranking of each subtitle section determined by the ranking unit 56 on a monitor.

Next, a method of practicing a song in an image flexible music processor according to an embodiment of the present invention shown in FIG. 3 will be described in detail.

When the song practitioner selects a specific song using the 10-key 41 provided in the corresponding key input unit 40 (step 100), the controller 58 proceeds to step 102 to determine whether the song practice mode is set. do.

If the setting state of the song practice mode is not determined, the controller 58 proceeds to step 104 in which the accompaniment sound, the background image, and the subtitle subtitles corresponding to the song are displayed on the monitor and the speaker of the image resonator cycle. Performing a playback operation on the song to be output, and simultaneously proceeding to step 106 based on the follow-up rate of the accompaniment sound of the audio signal input through the microphone 4 for the song output from the comparator 26. While the score is scored, the process proceeds to step 108 to determine whether playback has ended.

At this time, if the accompaniment sound for the song selected by the song practitioner and the video / audio signal according to the background image and the lyrics of the subtitle are all played back, the controller 58 performs step 110 according to the determination result of step 108. In step 106, the average score is calculated from the score scored in step 106, and the OSD character information for the average score is generated by the OSD processor 60 to control the corresponding image to be output on the monitor of the main board.

On the other hand, if the song practice mode is set by operating the song practice button 47 provided in the key input unit 40 in step 102, the controller 58 proceeds to step 112, for example, CDG. by using TOC (table of content) information recorded on the video information carrier 2 such as (compact disk graphic), i.e. information on the address, start time and end time of each song, the total number of subtitles of each song, and the like. The total number of subtitles of the song selected in step 100, for example, 13 subtitles (where 13 subtitles means the 13th subtitle of 4 subtitles) information on the 13 subtitles (start time of each subtitle) Is stored in the control unit 58, for example, in a storage means (not shown), and then the process proceeds to step 114, where the subtitle start time, for example, the first subtitle start time is stored in the storage means configured in the control unit 58.

Subsequently, the controller 58 performs a playback operation on the tune such that the accompaniment sound corresponding to the song corresponding to the first subtitle, the background screen, and the lyrics subtitle are output to the monitor and the speaker of the music resonator cycle. At the same time, the process proceeds to step 118 and the process proceeds to step 120 while scoring a score based on the degree of following the accompaniment sound of the audio signal input through the microphone 4 for the corresponding music output from the comparator 26. It is determined whether the first subtitle has elapsed. If the first subtitle has elapsed, the process proceeds to step 112 according to the determination result of the step 120. At the same time, the score scored in step 118 is stored in the subtitle score data storage 54. Proceeding to step 124, it is determined whether the first subtitle currently reproduced is the final subtitle.

In response to the determination of step 124, if the first subtitle is not the final subtitle, the process proceeds to step 114. For example, the start time of the second subtitle is stored, and the score for the second subtitle is stored in the subtitle score data storage unit 54. ), And the process proceeds to step 114 to reproduce up to the thirteenth subtitle and store the score for the thirteenth subtitle in the subtitle score data storage unit 54.

On the other hand, the playback operation for the thirteenth subtitle and the score for the thirteenth subtitle are stored in the subtitle score data storage unit 54, and then the process proceeds to the step 124, and then the control unit 58 determines in step 124. As a result, the process proceeds to step 126, and as shown in (a) of FIG. 4, the average score is calculated from the step 116 based on the score of each subtitle scored in the step 118. At the same time as the output on the monitor, based on the score of each subtitle is controlled so that the image corresponding to the ranking of each subtitle section determined by the subtitle ranking unit 56 is output to the monitor of the main repetition period.

Subsequently, the control unit 58 proceeds to step 128, and in step 126, the average score outputted on the monitor of the corresponding image flexible music repeater and the ranking for each subtitle section as shown in (a) of FIG. It is determined whether a specific subtitle section is selected in response to the score according to the score. If the specific subtitle is not selected, does a predetermined time elapse with the specific subtitle not being selected based on the time data applied from the timer 52? (Step 130), if the predetermined time elapses, the process proceeds to step 132 according to the determination result in step 130, releases the song practice mode set in step 102 and returns to the initial state. .

However, in step 128, the song practitioner receives the lowest number of subtitles corresponding to the 13th position of the subtitle ranking, for example, 65, based on the score according to the ranking according to the subtitle section output on the monitor of the corresponding image playing cycle period. If 4 is selected, for example, using the 10-key 41 provided in the input unit 40, the controller 58 proceeds to step 134 according to the determination result in step 128, and stores the inside of the controller 58. Read out the start time of the fourth subtitle stored in the means, read out the video signal and the audio signal corresponding to the fourth subtitle from the image information carrier 2 based on the start time, The audio signal input through the microphone 4 is reproduced so that the background image and the lyrics of the lyrics are outputted on the speaker and the monitor of the music processor. A follow-up also marks the point of the fourth subtitle on the basis of the following (step 136) and determines Is the fourth subtitle has elapsed (step 138).

On the contrary, when the reproduction of the video / audio signal for the fourth subtitle is completed and the fourth subtitle has elapsed, the controller 58 proceeds to step 140 according to the determination result of the step 138 and the The score is stored in the caption score data storage 54 and at the same time, the corresponding score is output on the monitor of the flexible image repeater as shown in FIG. 4B (step 142).

Subsequently, the controller 58 proceeds to step 144 to determine whether the song practice mode set in step 102 is released. If a song exerciser does not release the song practice mode, the controller 58 determines whether the song practice mode has been released. Proceeding to step 126, the score scored in step 136 is updated to a score of a specific subtitle section selected by the song practitioner, for example, a fourth subtitle, to recalculate the average score, and the subtitle ranking unit 56 recaptures the ranking of each subtitle. The video is output on the monitor of the flexible repeater.

On the other hand, when the song practitioner re-operates the song rehearsal button 47 provided in the key input unit 40 to release the song rehearsal mode set in step 102, the control unit 58 determines that the determination result of step 144 is performed. Return to the initial state according to.

As described above, according to the song practicing apparatus in the image flexible recording apparatus according to an embodiment of the present invention, when the song practicer selects a specific song when the song practice mode is set, the corresponding song ends, and thus the corresponding image flexible portable apparatus of the image flexible recording apparatus is used. On the monitor, the average score is displayed along with the subtitle section ranking according to the score of each subtitle section, and if the song practitioner selects a specific subtitle section, the accompaniment sound for the subtitle section and the background and lyrics subtitles are the video accompaniment. It is output on the monitor of the device.

Therefore, the song practitioner can not only improve the satisfaction of the song practice but also improve the singing ability by intensively practicing the subtitle section by repeatedly selecting the subtitle section for the vulnerable portion.

In addition, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the technical scope of the present invention.

Claims (4)

A key input unit 40 including a plurality of buttons for selecting an operation of the image flexible apparatus and a song practice button 47 for setting a song practice mode, and an image flexible information source 2 selected by the key input unit 40. Image / audio signal processing means operable to process the video signal including the accompaniment sound signal and subtitle information of a specific song in the audio signal mixed with the accompaniment sound signal, and to output the audio signal input through the microphone 4 , 16, 18, 20, 28, 30, 34, 36, 38), tracking degree detecting means for detecting the following degree of the voice signal of the microphone user with respect to the currently output accompaniment sound (10, 12, 22, 24, 26 In the song practice mode, the average score is calculated on the basis of the signal from the follower detection means, and the scores of subtitles of the selected song being played and the ranking of the subtitles are calculated accordingly. A controller 58 for controlling the screen to be displayed; A subtitle score data storage unit 54 which stores score data for each subtitle section under the control of the control unit 58, and determines the subtitle section ranking based on the score data for each subtitle section under the control of the control unit 58. And an OSD processing unit 60 for generating and displaying OSD character information on the average score, the score for each subtitle section, and the ranking for each subtitle section under the control of the caption ranking unit 56 and the control unit 58. Singing device in the image flexible drum period characterized by. The method of claim 1, wherein the control unit 58 stores the start time for each subtitle section when the song practice mode is set, and when a specific subtitle section is selected in response to the average score output on the monitor and the ranking for each subtitle section, the corresponding subtitle section. Accompaniment sound for the interval and the lyrics subtitle song practice apparatus in the image flexible cyclic period, characterized in that the control to output the image through the flexible cyclic period. A first step of judging the setting of the song practice mode in the music replay cycler, which displays the lyrics of the song selected by the key input means 40 and outputs the accompaniment for song practice. A second step of storing a start time for each subtitle section, a third step of storing score data for each subtitle section for an accompaniment sound following degree of an audio signal input through the microphone 4, and score data for each subtitle at the end of a song The fourth step of calculating the average score and determining the ranking of each subtitle section based on the subtitle section and outputting it on the monitor of the flexible music periodic display, if a specific subtitle is selected, the video / audio signal for the corresponding subtitle section is read and the accompaniment sound and And a fifth step of outputting the lyrics subtitle through the image flexible repeater. 4. The song rehearsal of the image music reordering device according to claim 3, wherein the reading of the video / audio signal for the corresponding subtitle section in the fifth step is performed based on the subtitle start time stored in the second step. Way.