JP2008242363A - Karaoke device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a karaoke device that creates an atmosphere and displays a lyric character screen so as not to bore users. <P>SOLUTION: The karaoke device includes a lyric font generating means 110 of generating a lyric font for displaying the lyric character screen based upon font information stored in a font database 88; a performance evaluating means 102 of evaluating a musical performance by the karaoke device 16 from predetermined relation based upon speech information input from a microphone 40; and a lyric character screen display control means 108 of displaying the lyric character screen corresponding to the predetermined lyric font generated by the lyric font generating means 110 based upon the result of the performance evaluating means 102 from the predetermined relation in parallel to output of performance music. The karaoke device can generate an original lyric font according to the evaluation result of user's karaoke musical performance and display a unique lyric character screen based upon the lyric font. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a karaoke apparatus that outputs a predetermined performance tune selected from a large number of performance tunes, and more particularly to an improvement in a lyric character image display function during karaoke performance.

  2. Description of the Related Art Music playback apparatuses that output a predetermined performance song selected from a large number of performance songs are known. For example, a karaoke device used in a karaoke box or the like. According to such a karaoke apparatus, music information of a predetermined karaoke performance song selected from a large number of karaoke performance songs stored in advance in a storage device is output, and an image including lyrics information of the karaoke performance song is output. Karaoke performance of a desired song can be enjoyed by displaying it on the screen in synchronization with.

  In recent years, a karaoke apparatus that displays a performance video including a lyric character video (lyric telop) of the performance tune along with the output of the performance tune has been widespread. For example, a communication karaoke apparatus connected to a host server of a karaoke service providing company via a communication line is an example. In such a karaoke apparatus, since the background video can be used for a plurality of types of performance music, there is no need to prepare a custom video for each performance music, and there is an advantage that a relatively large number of music can be played. There was a possibility that the user might get bored by using the background image in the performance music. Therefore, as a method for solving such a problem, a technique for adding a device to the display of the lyrics character image has been proposed. For example, the karaoke apparatus described in Patent Document 1 is that. According to this technique, when a lyric character string data for displaying a lyric character image contains a term, the lyric character image modified based on the pre-stored modification format data is displayed. It is said that the enjoyment of karaoke performance can be further increased.

JP 2005-49887 A

  However, the above-mentioned conventional technique applies a predetermined modification to a lyric character image when a predetermined term is included in the lyric character string data. There was a risk of modifying the atmosphere of the venue. The lyric character image displayed in the karaoke performance by the karaoke apparatus should be originally in accordance with the atmosphere of the karaoke performance, and further, it is desirable to create one atmosphere with the unified lyric character image. . However, the types of font information for displaying lyric character images by the karaoke device are limited, and a karaoke device that displays a lyric character image that can foster the atmosphere of the place and does not bore the user has been developed. The current situation is not.

  The present invention has been made against the background of the above circumstances, and its object is to provide a karaoke device that can display a lyric character image that can foster the atmosphere of the place and does not bore the user. is there.

  In order to achieve such an object, the gist of the present invention is to output a predetermined performance song selected from a large number of performance songs and simultaneously output the performance song. A karaoke apparatus for displaying a performance image including a lyric character image, the storage device storing at least one type of font information for displaying the character image in the karaoke device, and the font information stored in the storage device Lyric font generating means for generating a lyric font for displaying the lyric character image, and the karaoke device performing based on audio information input by a predetermined audio input device from a predetermined relationship. A performance evaluation means for evaluation, and the lyrics font generation means based on an evaluation result by the performance evaluation means from a predetermined relationship. The lyric character image corresponding to a predetermined lyrics font generated Ri, and a lyric character image display control means for displaying in parallel with the output of the music piece, and is characterized in that it comprises.

  In this case, the lyric character image is displayed based on the storage device for storing at least one type of font information for displaying the character image in the karaoke device, and the font information stored in the storage device. Lyric font generating means for generating lyric fonts for performance, performance evaluation means for evaluating performance by the karaoke apparatus based on voice information input by a predetermined voice input apparatus from a predetermined relationship, and predetermined Lyric character image display control for displaying a lyric character image corresponding to a predetermined lyric font generated by the lyric font generating unit based on the evaluation result by the performance evaluation unit in parallel with the output of the performance song Means according to the evaluation result of the user's karaoke performance. Generates a lyrics font, it is possible to display a unique lyric character images based on the generated lyrics font. In other words, it is possible to provide a karaoke apparatus that can create an atmosphere of a place and display a lyric character image that does not bore the user.

  Here, it is preferable that the lyric character image display control unit displays the lyric character image corresponding to a lyric font whose degree of change from the basic font information is larger as the evaluation result by the performance evaluation unit is lower. It is displayed in parallel with the output of the song. In this way, by generating a lyric font that becomes distorted as the evaluation result of karaoke performance is lower, it is possible to display a lyric character image that matches the singing ability of the user based on the generated lyric font There is an advantage that can be.

  Preferably, the lyrics character image display control means is a predetermined text generated by the lyrics font generation means based on evaluation results by the performance evaluation means related to a plurality of users stored in a predetermined storage device. The lyrics character image corresponding to the lyrics font is displayed in parallel with the output of the performance music. In this way, for example, the performance evaluation means performs statistics on the members of a social network service composed of a plurality of users who use the karaoke device as a population, and the statistics based on the results of the statistics There is an advantage that it is possible to realize a karaoke system rich in variations such as generating a lyric font for displaying lyric character images.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a schematic diagram illustrating a karaoke system 10 to which the present invention is preferably applied. As shown in FIG. 1, in the karaoke system 10, a plurality of private rooms 14 a, 14 b, 14 c,... In a store 12 such as a karaoke box, a snack, an inn, etc. 1) each of one or a plurality (one in FIG. 1) of karaoke devices 16a, 16b, 16c,... (Hereinafter referred to as “karaoke” unless otherwise specified). (Referred to as device 16). The plurality of karaoke devices 16 are connected to a communication line 18 such as a public telephone line via a router 28, and are connected to a server device (center device) 20 of a karaoke service providing company connected to the communication line 18. Information can be communicated between each other via the communication line 18. In addition to basic control such as storage and input / output management of digital contents (Digital Contents) such as karaoke information (music data), background video information, and information between songs, the server device 20 manages social network services described later. A server that performs control, performance evaluation result statistical control, and the like, and periodically distributes content to the karaoke device 16 via the communication line 18 and performs predetermined function control in response to a request from the karaoke device 16 The program is sent. The karaoke system 10 includes a plurality of electronic quick sample devices 22a, 22b, 22c,... (Hereinafter simply referred to as the electronic quick sample device 22 unless otherwise distinguished). In use, one electronic quick sample device 22 is lent for each user (group) and used as a remote control device for the karaoke device 16 in each private room 14 as will be described later. A LAN 24 for connecting the plurality of karaoke apparatuses 16 to each other is laid in the store 12, and an input to the karaoke apparatus 16 from the electronic quick sample apparatus 22 is made via a predetermined access point 26 and the LAN 24. This is performed by LAN communication or the like.

  FIG. 2 is a block diagram illustrating the configuration of the karaoke apparatus 16 which is an embodiment of the present invention. As shown in FIG. 2, the karaoke device 16 includes a video display device 30 such as a CRT (Cathode-ray Tube) or a TFT (Thin Film Transistor Liquid Crystal), a video output control unit 32 such as a CRT controller, and a video. Information decoder 34, video mixer 36, synthesizer 38 as a sound source, microphone 40 as an audio input device, A / D converter 41, amplifier mixer 42, speaker 44, operation panel 46, and operation panel 46 An input / output interface 48 for processing input signals from the CPU, a CPU 50 as a central processing unit, a ROM 52 as a read only memory, a RAM 54 as a write / read memory as needed, a hard disk 56 as a storage device, a modem 58, a LAN port 60, and input devices such as the electronic sample device 22 and the remote control device 64 And a remote control receiving unit 62 for receiving al remote control signal is configured to include.

  The video output control unit 32 functions as a character video output device that outputs a character video (telop) such as a lyric character video generated by the CPU 50, and also displays for controlling various video displays by the video display device 30. It is a control device. The video information decoder 34 is a background video playback device that plays back (decodes) a predetermined background video based on background video information stored in the hard disk 56 when a user sings a song while referring to lyrics. is there. The background video information is, for example, MPEG (Moving Picture Experts Group) format data, and the background video reproduced by the video information decoder 34 based on the MPEG data is sent to the video mixer. The video mixer 36 combines the character video generated by the CPU 50 and output from the video output control unit 32 with the background video reproduced by the video information decoder 34 to the video display device 30. This is a video composition device to be displayed.

  The synthesizer 38 is a sound source that generates a music signal such as a musical instrument performance signal based on performance information of a karaoke performance song read from the hard disk 56 and sent. The performance information is, for example, data in MIDI (Musical Instrument Digital Interface) format, and the music signal generated by the synthesizer 38 based on the MIDI data is converted into an analog signal and sent to the amplifier mixer 42. The amplifier mixer 42 mixes the transmitted music signal and the user's singing voice input via the microphone 40, and those signals are electrically amplified and output from the speaker 44. The A / D converter 41 converts voice information as an analog signal input from the microphone 40 as a voice input device into a digital signal and supplies the digital signal to the CPU 50 and the like.

  The operation panel 46 allows the user of the karaoke apparatus 16 to select a karaoke performance song that the user wants to sing, adjust the pitch of the performance song, adjust the volume balance between the performance and the song, and perform echo and volume. , An input device provided with operation buttons (switches) or knobs for performing various adjustments such as tone. Further, the karaoke device 16 is provided with a remote control device 64 that functions as an input device for remotely executing a part of the function of the operation panel 46, and the remote control receiving unit 62 is connected to the remote control device 64 from the remote control device 64. A remote control signal to be transmitted is received and supplied to the CPU 50. In addition, the association (sticking) processing between the karaoke device 16 and the electronic quick sample device 22 is also performed via the remote control receiving unit 62, and thus the electronic quick sample device associated with the karaoke device 16. 22 also functions as an input device.

  The CPU 50 is a so-called microcomputer that uses the temporary storage function of the RAM 54 to process and control electronic information based on a predetermined program stored in the ROM 52 in advance, and the electronic quick reference device 22 and the remote control device 64. When a predetermined karaoke performance song is selected by the above or the like, the selected karaoke performance song is registered in the reserved song table provided in the RAM 54, or from the hard disk 56 to the RAM 54 according to the performance order of the reserved song table. The performance information and lyric information etc. of the selected karaoke performance song are read, the performance information is transmitted from the RAM 54 to the synthesizer 38 as the performance of the karaoke performance song progresses, and the lyric character is based on the lyric information. Generate a video and send it to the video output control unit 32. A new character information is generated while a name character image is generated and sent to the image output control unit 32, a predetermined background image is reproduced by controlling the image information decoder 34, that is, during a karaoke performance, that is, between songs. In addition to basic control such as information communication control with the server device 20 via the communication line 18, the login authentication control to be described later, Performance evaluation control, transmission control of performance evaluation results to the server device 20, lyrics font generation control, lyrics character image display control based on the lyrics font, and the like are executed.

  The modem 58 is a device for connecting the karaoke device 16 to a communication line 18 such as a public telephone line, converts a digital signal output from the CPU 50 into an analog signal and sends it to the communication line 18. The analog signal transmitted via the communication line 18 is converted into a digital signal and supplied to the CPU 50. In addition, the aspect by which any karaoke apparatus 16 is equipped with the function of the said router 28 among the several karaoke apparatuses 16 with which the said store 12 was equipped, and is connected to the said communication line 18 as a master commander is also considered, In that case, The modem 58 is required for the karaoke device 16 that functions as the master commander, but is not necessarily provided for other karaoke devices 16 that communicate information with the server device 20 via the master commander. Not necessary.

  The LAN port 60 is a connector for connecting the karaoke device 16 to other devices such as the other karaoke device 16 and the electronic quick sample device 22 via the LAN 24, and the karaoke device 16 is used as such. By being connected via the LAN 24, information can be transmitted / received to / from other devices such as the other karaoke apparatus 16 and the electronic quick sample apparatus 22. For example, the music selection input from the electronic quick sample device 22 received through the access point 26 is received and stored in a reserved music table provided in the RAM 54, or the karaoke device 16 through the access point 26. Thus, mutual exchange of information between the karaoke device 16 and the electronic quick sample device 22 is performed via radio waves, such as transmitting predetermined information to the electronic quick sample device 22.

  The hard disk 56 stores a karaoke database 86 for storing a large number of karaoke information (music data) for outputting karaoke performance songs, and a font database 88 for storing a plurality of types of fonts for displaying telops such as lyrics character images. Various databases such as (see FIG. 4) are provided. Among a plurality of karaoke devices 16 provided in a store such as a karaoke box, a predetermined karaoke device 16 such as the karaoke device 16a is connected to the communication line 18 via the modem 58, and the plurality of karaoke devices. 16 so that new music data and font information can be output from the server device 20 from time to time so that a new music can be played at all times, or a lyric character image based on new font information can be output at any time. The data is distributed via the line 18 and stored in the karaoke database 86 and the font database 88 of the hard disk 56. In addition, communication is performed via the LAN 24 between the karaoke device 16 a that has acquired information from the server device 20 and the other karaoke devices 16, and is stored in the hard disk 56 of each karaoke device 16. And the contents of the karaoke database 86 and the font database 88 are equivalent.

  The karaoke information stored in the karaoke database 86 is composed of performance information for generating a performance sound and lyric information for generating a lyric character image (lyric telop). It is identified by a unique music selection number. The font information stored in the font database 88 is information for displaying a character image (telop) of a predetermined typeface (shape) having a sense of unity by the image output control unit 32 or the like. It is also called a face (Type Face). As the typefaces, there are Mincho typeface, Gothic typeface, Samurai typeface type, line typeface type, etc. Furthermore, subtle differences are added to these typefaces, and font information corresponding to many types of typefaces has been developed. The font information includes an outline font that represents the shape of a character with a contour line, and a bitmap font that represents the shape of the character as a set of dots (a combination of dots).

  FIG. 3 is a block diagram illustrating the configuration of the server device 20. As shown in FIG. 3, the server device 20 includes a so-called microcomputer system that performs signal processing according to a program stored in advance in a ROM 68 by using a temporary storage function of a RAM 70 by a CPU 66 as a central processing unit. In addition to basic control including content distribution control such as karaoke information to the karaoke device 16, various controls such as SNS management control and performance evaluation result statistical control described later are executed. Also, an image display device 74 such as a CRT or TFT controlled by the video board 72, an input device 76 such as a keyboard connected via an interface 78, and a device for connecting the CPU 66 to the communication line 18. A modem 80 is provided. Various databases such as a karaoke database 82 for storing a lot of karaoke information to be distributed to the karaoke apparatus 16 and an SNS database 84 for storing information on SNS described later are provided.

  The SNS database 84 associates information related to karaoke performance using the karaoke device 16 for each user who uses the karaoke system 10, particularly information related to a social network service by the karaoke system 10 with identification information of the user. Storage device. This social network service refers to, for example, a member-based community-type website that provides services such as information browsing only between members who are registered in advance. In the following description, the social network service is abbreviated as SNS. In the SNS database 84, as information related to the karaoke performance using the karaoke device 16 of each of the above users, the music piece registered by the user as the eighteenth song in the karaoke performance by the karaoke device 16 (music selection input by a simple operation). Information related to the musical composition), information relating to the musical composition as the music selection history (history of musical compositions previously selected in the karaoke apparatus 16) selected by the user in the karaoke performance by the karaoke apparatus 16, Information related to performance evaluation results of performance songs that the user has played with the karaoke device 16 in the past, performance evaluation rankings based on statistics calculated based on the performance evaluation results of the performance songs (national song) Information about ranking), the user is a friend Information related to other users registered, information related to performances that the user has voted for in the past, information related to performances that the user has registered as a watch list (monitored music), and the user's karaoke device 16 The information related to the store visit history to the store 12 in which is installed, the information related to the group reki (group history), and the like are stored for each user in association with the identification information of the user. In addition, for each user, for the user's name (nickname), date of birth, gender, e-mail address, region, blood type, constellation, questions and answers for forgotten password, and login authentication to SNS The password to be used is stored in association with the identification information of the user. In addition, information on the average value (national average score) of performance evaluations by SNS members of each performance music in the past, information on the cumulative number of performances by SNS members of each performance music in the past, and the like are stored.

  FIG. 4 is a functional block diagram illustrating a main part of control functions provided in the CPU 50 of the karaoke apparatus 16 and the CPU 66 of the server apparatus 20. The login authentication means 100, performance evaluation means 102, information transmission control means 104, and lyric character image display control means 108 shown in FIG. 4 are connected to the CPU 50 of the karaoke apparatus 16, and the performance evaluation result statistics means 106 is connected to the server apparatus. Each of the twenty CPUs 66 is functionally provided.

  The login authentication means 100 authenticates the SNS user in the communication karaoke system 10 according to identification information (user ID) input by a predetermined input operation via the touch panel display or the like of the electronic quick sample device 22. When the authentication is normally performed, the user is permitted to log in to the SNS with the identification information. For example, when identification information and a password are input by the electronic quick sample device 22, the server device determines whether the password associated with the identification information and stored in the SNS database 84 matches the input. In the case of a match, normal authentication is performed. On the other hand, if they do not match, an error is assumed. The login authentication means 100 may transmit the identification information and password input in the karaoke device 16 to the server device 20, and substantial authentication is performed on the server device 20 side. It does not matter.

  The performance evaluation unit 102 corresponds to the user who is authenticated by the login authentication unit 100, and the karaoke device 16 is based on voice information input by the microphone 40 which is a voice input device from a predetermined relationship. Evaluate performance by. For example, a performance output by the synthesizer 38 based on voice information input by the microphone 40 and converted into a digital signal by the A / D converter 41 and karaoke data (MIDI data) read from the karaoke database 86. The information is compared, and the evaluation is performed based on the relative shift between the basic pitch such as a melody and the pitch extracted from the input voice, the absolute volume of the voice, and the like. As an aspect of this evaluation, for example, scoring may be performed numerically, such as how many points out of a thousand points, or it may be as simple as determining which of 20 grades is applicable. There may be. Preferably, the evaluation is performed a plurality of times at a predetermined timing, for example, for each predetermined phrase (musical phrase) in the performance music during the output of the target performance music, that is, from the performance start to the performance end. Do.

  The information transmission control unit 104 transmits (uploads) various information related to the karaoke performance using the karaoke device 16 to the server device 20 corresponding to the user authenticated by the login authentication unit 100. Take control. For example, when the performance evaluation means 102 performs a performance evaluation for a predetermined performance music, the performance evaluation result is used to select the music selection number of the performance music to be evaluated and the user who performed the performance (login authentication means). Together with the identification information of the user authenticated by 100), it is transmitted to the server device 20 via the communication line 18. The information thus transmitted is stored as information corresponding to the corresponding user in the SNS database 84 of the server device 20.

  The performance evaluation result statistics means 106 performs statistics of performance evaluation results by the performance evaluation means 102 with the users of the communication karaoke system 10 as a population. Specifically, the deviation value calculated based on the past performance evaluation by the SNS member of the performance song to be evaluated is calculated, and the cumulative number of performances and performance evaluation by the SNS member of the performance song to be evaluated are performed. The user's visit frequency corresponding to the performance evaluation to the store 12 in which the karaoke apparatus 16 is installed, the total number of performances of the user, and the type of musical piece the user has played in the past, etc. The information is read from the SNS database 84, and the singing ability, which is the user's comprehensive performance evaluation, is calculated based on the information. The singing ability calculated in this way is the degree of difficulty of each performance song to be evaluated, the total number of performances by the SNS member, the time when the performance evaluation of each performance song was performed, and the visitor's visit corresponding to the performance evaluation It reflects the frequency, the total number of performances performed in the past, and the types of performances performed in the past, and can be an index close to the actual singing ability of each user by appropriately determining each coefficient. is there. The singing ability statistics by the performance evaluation result statistics means 106 are stored in the SNS database 84 for each corresponding user, and all SNS members registered in the SNS database 84 are ranked as a population (ranking). ) And can be browsed (information acquired) by the karaoke device 16, the electronic quick sample device 22, or an external device such as a personal computer or a mobile phone as the nationwide song ranking.

  When the karaoke device 16 outputs a performance song, the lyric character image display control means 108 generates a lyric character image corresponding to the performance song by the video output control unit 32 and displays the lyrics on the video display device 30. Performs character image display control. Further, it includes a lyric font generation unit 110 described in detail below, and displays a lyric character image corresponding to a predetermined lyric font generated by the lyric font generation unit 110 in parallel with the output of the performance song. Take control.

  The lyric font generator 110 generates a lyric font for displaying a lyric character image by the lyric character image display controller 108 based on the font information stored in the font database 88. FIG. 5 is a diagram for explaining lyrics font generation control based on predetermined font information by the lyrics font generation means 110. As shown in FIG. 5, the lyric font generation means 110 preferably determines corners on the outline of the basic font as main feature points and determines sub-feature points that equally divide the main feature points. To do. After the outlines of the basic font and other fonts are associated by a technique such as DP matching (dynamic programing matching), the coordinate values of the feature points on the outlines thus associated Principal component analysis is performed on a vector having a component as a component, and a value is added to each determined principal component axis, thereby generating a lyric font having a typeface different from any of the underlying fonts.

In the generation of the lyric font by the lyric font generating means 110, first, as shown in FIG. 5, the corner on the contour line of each character included in the basic font is detected as a main feature point, and a vector representing the character is obtained. After determining as shown in the following equation (1), the vector is normalized as shown in equation (2). Next, principal component analysis is performed, and coordinate values in a high-dimensional space are calculated using eigenvalues / eigenvectors centered on the average vector according to equation (3). Then, a limit for reading characters on all axes is defined and deformed according to equation (4). FIG. 6 is a diagram for conceptually explaining such font deformation. As shown in FIG. 6, when a character font is generated in the range of Th <1, lyrics fonts as shown in (a) to (d) are displayed according to the U _i value that is the reading limit on the i-th axis. Each is generated. In this way, the degree of change in the lyrics font generated by the lyrics font generating means 110 from the basic font can be changed as appropriate by setting the U _i value. As shown in FIG. 8, many types of lyric fonts having different degrees of change from the basic font information can be generated.

  Here, the lyric character image display control means 108 generates a predetermined lyric font by the lyric font generation means 110 based on the evaluation result by the performance evaluation means 102 from a predetermined relationship, and the generated lyrics. The lyrics character image corresponding to the font is displayed in parallel with the output of the performance music. Preferably, the evaluation result by the performance evaluation unit 102 relating to a plurality of users stored in the SNS database 84, that is, the singing ability (national song ranking) derived by the statistical processing by the performance evaluation result statistical unit 106 is used. Based on this, the lyric character image corresponding to the predetermined lyric font generated by the lyric font generating means 110 is displayed in parallel with the output of the performance song. Preferably, the lyric character image corresponding to the lyric font stored in the SNS database 84 and having a greater degree of change from the basic font information as the singing ability as the evaluation result by the performance evaluation unit 102 is lower. Are displayed in parallel with the output of the performance music. In this way, a user with a high performance evaluation stored in the SNS database 84 displays a lyric character image in a well-characterized font that is close to the basic font information, while a user with a low performance evaluation has a basic performance. The lyric text image of the font whose degree of change from the font information becomes greatly collapsed is displayed.

  FIG. 9 is a flowchart for explaining a main part of the login control by the CPU 50 of the karaoke apparatus 16 and is repeatedly executed at a predetermined cycle.

  First, in step (hereinafter, step is omitted) SA1, it is determined whether or not user identification information (ID) and a password are input by the electronic quick sample device 22, remote control device 64, or the like. If the determination of SA1 is negative, the routine is terminated accordingly, but if the determination of SA1 is affirmative, in SA2, the routine of the server device 20 is associated with the input identification information. The server device 20 is inquired whether the password stored in the SNS database 84 matches the input password. Next, in SA3, it is determined whether or not the password associated with the input identification information and stored in the SNS database 84 of the server device 20 matches the input one. If the determination of SA3 is affirmative, the routine is terminated after the authentication of the user related to the input identification information is completed and the login process of the user is performed in SA4. If the determination at SA3 is negative, after a predetermined error message is displayed on the electronic quick sample device 22, the video display device 30, etc. at SA5, this routine is terminated. In the above control, SA1 to SA5 correspond to the operation of the login authentication unit 100.

  FIG. 10 is a flowchart for explaining a main part of performance evaluation control by the CPU 50 of the karaoke apparatus 16 and is repeatedly executed at a predetermined cycle.

  First, in SB1, it is determined whether or not the performance evaluation mode is set. If the determination at SB1 is negative, the routine is terminated accordingly. If the determination at SB1 is affirmative, it is determined at SB2 whether or not it is the performance start timing of a predetermined musical piece. To be judged. If the determination at SB2 is negative, the routine is terminated. If the determination at SB2 is affirmative, the karaoke data of the performance tune related to the start of performance is read from the karaoke database 86. In SB3, a predetermined performance sound is output from the synthesizer 38 based on the read karaoke data (MIDI data). In addition, a lyric character image is generated based on the karaoke data in synchronism with the output of the performance sound, and is output as needed by the image output control unit 32 and displayed on the image display device 30. Are sequentially changed colors. Next, in SB4, performance evaluation is performed based on audio information input from the microphone 40, which is an audio input device, and converted into a digital signal by the A / D converter 41, and MIDI data related to the performance. The evaluation result is stored in the RAM 54 or the like as needed. Next, in SB5, it is determined whether or not it is a performance end timing. If the determination at SB5 is negative, the processing after SB3 is executed again. If the determination at SB5 is affirmative, the performance evaluation result for each category stored in the RAM 54 or the like at SB6. Is read, and a performance evaluation result for one song is calculated. Next, in SB7, the performance evaluation result calculated in SB6 is transmitted to the server device 20 together with the music selection number of the performance tune to be evaluated and the user ID of the user, and each user is stored in the SNS database 84. After being stored every time, this routine is terminated. In the above control, SB4 and SB6 correspond to the operation of the performance evaluation unit 102, and SB7 corresponds to the operation of the information transmission control unit 104, respectively.

  FIG. 11 is a flowchart for explaining a main part of performance evaluation result statistical control by the CPU 66 of the server device 20, and is repeatedly executed at a predetermined cycle.

  First, in SC1, it is determined whether or not a performance evaluation result has been newly transmitted (uploaded) from a predetermined karaoke apparatus 16. If the determination of SC1 is negative, the routine is terminated accordingly. If the determination of SC1 is affirmative, the average score of the performance tunes that are the targets of the performance evaluation uploaded in SC2 Is read from the SNS database 84, and the performance evaluation result is converted into a deviation value based on the average score. Next, in SC3, the uploaded performance evaluation and information stored in association with the user corresponding to the performance evaluation are read from the SNS database 84, and various coefficients are calculated based on the information. . Next, in SC4, the total singing ability SA of the user is calculated from the deviation value calculated in SC2 and various coefficients calculated in SC3. Next, in SC5, the overall singing ability SA calculated in SC4 is stored (updated) in the SNS database 84 as information corresponding to the user, and then this routine is terminated. In the above control, SC1 to SC5 correspond to the operation of the performance evaluation result statistics means 106.

  FIG. 12 is a flowchart for explaining a main part of the lyrics character image display control by the CPU 50 of the karaoke apparatus 16 and is repeatedly executed at a predetermined cycle.

  First, in SD1, it is determined whether or not the original font mode is set. If the determination of SD1 is negative, the routine is terminated accordingly. If the determination of SD1 is affirmative, it is determined in SD2 whether or not it is the performance start timing of a predetermined performance piece. To be judged. If the determination of SD2 is denied, the routine is terminated with that, but if the determination of SD2 is affirmed, the national song ranking of the users related to the karaoke performance to be started is determined in SD3. Read from the SNS database 84. Next, in SD4 corresponding to the operation of the lyric font generating means 110, lyric fonts are generated based on the national song ranking read in SD3 based on the predetermined font information read from the font database 88. The Next, karaoke data of the performance tune related to the start of performance is read from the karaoke database 86, and a predetermined performance sound is output from the synthesizer 38 based on the read karaoke data (MIDI data) in SD5. The In addition, a lyric character video of the performance tune is generated based on the lyric font generated in SD4 in synchronization with the output of the performance sound, and is output as needed by the video output control unit 32, and the video display device 30. In addition, the lyric text image is sequentially color-changed. Next, in SD6, it is determined whether or not it is the karaoke performance end timing. If the determination in SD6 is negative, the processing from SD5 onward is executed again. If the determination in SD6 is positive, a predetermined operation for ending the original font mode is performed in SD7. It is determined whether or not it has been received. When the determination at SD7 is negative, the processing after SD2 is executed again. However, when the determination at SD7 is affirmative, this routine is terminated. In the above control, SD4 and SD5 correspond to the operation of the lyrics character image display control means 108.

  Thus, according to the present embodiment, the font database 88 as a storage device for storing at least one type of font information for displaying the character video on the video display device 30 of the karaoke device 16, and the font database. Based on the font information stored in 88, the lyrics font generating means 110 (SD4) for generating the lyrics font for displaying the lyric character video and the microphone 40 as the voice input device from a predetermined relationship are input. Performance evaluation means 102 (SB4 and SB6) for evaluating the performance of the karaoke device 16 based on the voice information to be performed, and the lyrics font generation means 110 based on the evaluation result of the performance evaluation means 102 based on a predetermined relationship. Lyrics corresponding to a given lyric font generated by Since the lyric character image display control means 108 (SD4 and SD5) for displaying the character image in parallel with the output of the performance music is provided, the original image according to the evaluation result of the user's karaoke performance is provided. A unique lyric font and a unique lyric character image based on the generated lyric font can be displayed. That is, it is possible to provide the karaoke apparatus 16 that can display a lyric character image that can foster the atmosphere of the place and does not bore the user.

  The lyric character image display control means 108 outputs a lyric character image corresponding to a lyric font whose degree of change from the underlying font information is larger as the evaluation result by the performance evaluation means 102 is lower. As the karaoke performance evaluation result is lower, the lyric font that becomes distorted is generated, and the lyric characters that match the singing ability of the user based on the generated lyric font There is an advantage that an image can be displayed.

  The lyric character image display control means 108 is evaluated by the performance evaluation result statistics means 106 and stored in the SNS database 84 as a storage device. The lyric character image corresponding to the predetermined lyric font generated by the lyric font generating means 110 is displayed in parallel with the output of the performance tune, so that a plurality of karaoke devices 16 are used. Statistics of the evaluation results by the performance evaluation means 102 are performed using a social network service member constituted by users as a population, and a lyric font for displaying the lyric character video is generated based on the statistics results. There is an advantage that the karaoke system 10 rich in variations can be realized. .

  The preferred embodiments of the present invention have been described in detail with reference to the drawings. However, the present invention is not limited to these embodiments, and may be implemented in other modes.

  For example, in the above-described embodiment, the lyric character image display control means 108 is performed by the performance evaluation means 102 for a plurality of users, which is statistically stored by the performance evaluation result statistics means 106 and stored in the SNS database 84. The lyric character image corresponding to the predetermined lyric font generated by the lyric font generating means 110 based on the evaluation result is displayed in parallel with the output of the performance song, but the present invention is not limited to this. For example, the evaluation result evaluated by the performance evaluation means 102 at the time of karaoke performance by the karaoke device 16 is reflected in the lyrics character image of the performance music to be played next by the karaoke device 16. There may be. Moreover, the evaluation result evaluated by the performance evaluation means 102 at the time of a predetermined karaoke performance may be immediately reflected in the lyrics character image in the karaoke performance. Further, in this case, performance evaluation by the performance evaluation means 102 is performed a plurality of times from the start to the end of the karaoke performance, and a lyrics font is generated by the lyrics font generation means 110 each time the performance evaluation is performed. A mode in which the font of the lyrics character video is sequentially changed between songs is also conceivable.

  Further, in the above-described embodiment, the lyric character image display control means 108 displays the lyric character image corresponding to the lyric font whose degree of change from the basic font information is larger as the evaluation result by the performance evaluation means 102 is lower. The lyric text image is changed irrespective of the user's intention, such as displaying it in parallel with the output of the performance music. For example, the evaluation result (SNS database) by the performance evaluation means 102 The user may be able to select a desired font so that a predetermined font can be selected from many fonts as the singing ability stored in 84 is higher. Furthermore, the handwritten handwriting input by the user through the touch panel display of the electronic quick sample device 22 is analyzed by the above-described DP matching or the like, and the user's original handwriting thus analyzed is stored in the RAM 54 or the like. A mode in which a lyric font based on the handwriting is generated for each user's karaoke performance is also conceivable.

  In the above-described embodiment, the log-in authentication means 100, the performance evaluation means 102, the information transmission control means 104, and the lyric character image display control means 108 are sent to the performance evaluation result statistics means 106 by the CPU 50 of the karaoke apparatus 16. Are functionally provided in the CPU 66 of the server device 20, respectively, but the present invention is not limited to this, and these control functions can be applied to either the karaoke device 16 or the server device 20. It may be provided. For example, the login authentication unit 100 may be functionally provided in the CPU 66 of the server device 20 and perform user login authentication on the server device 20 side. Further, the karaoke device 16 may be provided with a function corresponding to a partial operation of the performance evaluation result statistics means 106, and the karaoke device 16 side may perform part of the performance evaluation result statistics control described above. . Alternatively, some of these control functions may be provided in another control device different from the karaoke device 16 and the server device 20, for example, the electronic quick sample device 22 or the like.

  In addition, although not illustrated one by one, the present invention is implemented with various modifications within a range not departing from the gist thereof.

It is the schematic explaining the communication karaoke system which is one Example of this invention. It is a block diagram which illustrates the structure of the karaoke apparatus with which the communication karaoke system of FIG. 1 was equipped. It is a block diagram which illustrates the structure of the server apparatus with which the communication karaoke system of FIG. 1 was equipped. It is a functional block diagram explaining the principal part of the control function with which CPU of the karaoke apparatus of FIG. 2 and CPU of the server apparatus of FIG. 3 were equipped. It is a figure explaining the lyric font production | generation control based on the predetermined font information by CPU of the karaoke apparatus of FIG. It is a figure which illustrates notionally the lyric font production | generation control based on the predetermined font information by CPU of the karaoke apparatus of FIG. In the lyrics font generation control by CPU of the karaoke apparatus of FIG. 2, it is a figure explaining the example of the font corresponding to each degree of the change from the basic font. In the lyrics font generation control by CPU of the karaoke apparatus of FIG. 2, it is a figure explaining the example of the font corresponding to each degree of the change from the basic font. It is a flowchart explaining the principal part of login control by CPU of the karaoke apparatus of FIG. It is a flowchart explaining the principal part of the performance evaluation control by CPU of the karaoke apparatus of FIG. It is a flowchart explaining the principal part of performance evaluation result statistical control by CPU of the server apparatus of FIG. It is a flowchart explaining the principal part of the lyric character image display control by CPU of the karaoke apparatus of FIG.

Explanation of symbols

16: Karaoke device 40: Microphone (voice input device)
84: SNS database (storage device)
88: Font database (storage device)
102: Performance evaluation means 108: Lyric character image display control means 110: Lyric font generation means

Claims (3)

A karaoke apparatus for outputting a predetermined performance song selected from a large number of performance songs and displaying a performance image including a lyrics character image of the performance song in parallel with the output of the performance song,
A storage device for storing at least one type of font information for displaying a character image in the karaoke device;
Lyric font generation means for generating a lyric font for displaying the lyric character image based on the font information stored in the storage device;
Performance evaluation means for evaluating performance by the karaoke device based on voice information input by a predetermined voice input device from a predetermined relationship;
Lyric characters for displaying a lyric character image corresponding to a predetermined lyric font generated by the lyric font generating unit based on an evaluation result by the performance evaluating unit from a predetermined relationship, in parallel with the output of the performance song A karaoke apparatus comprising: a video display control means.   The lyric character image display control means is adapted to display a lyric character image corresponding to a lyric font corresponding to a lyric font whose degree of change from the basic font information is larger as the evaluation result by the performance evaluation means is lower. The karaoke apparatus according to claim 1, which is displayed.   The lyric character image display control means includes lyrics corresponding to a predetermined lyric font generated by the lyric font generation means based on evaluation results by the performance evaluation means relating to a plurality of users stored in a predetermined storage device. The karaoke apparatus according to claim 1 or 2, wherein a character image is displayed in parallel with the output of the performance music.

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