JP4574299B2 - Music player - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a music play-back apparatus which discloses related information to be easy to use and effective. <P>SOLUTION: Since the music play-back apparatus comprises a two-dimensional code producing means 108 for producing a predetermined two-dimensional code 112 relating to a Karaoke apparatus 12, and a two-dimensional code display means 110 for displaying the two-dimensional code 112 produced by the two-dimensional code producing means as an image, the play-back apparatus can make the two dimensional code display means display information reflecting a performance with the Karaoke apparatus 12 in a mode easy to use. That is, it is possible to provide the Karaoke apparatus 12 which is made to display the related information to be easy to use and effective. <P>COPYRIGHT: (C)2006,JPO&amp;NCIPI

Description

  The present invention relates to an improvement in a music playback device that outputs a predetermined performance song selected from a large number of performance songs.

  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.

  Such a karaoke device is usually connected to a center device of a predetermined karaoke service provider via a communication line such as a public telephone line, and information can be exchanged with the center device. Karaoke information of new songs is downloaded as appropriate. In addition, the above karaoke service providers often establish homepages on the Internet's WWW (World Wide Web) servers for the purpose of promoting the use of their karaoke devices and disclosing related information. By accessing such a website using a personal computer, a mobile phone, or the like, it is possible to browse desired information or receive a service for a limited time. However, since URLs (Uniform Resource Locators) of websites are composed of relatively long alphabetic character strings, it is troublesome to type the URLs in mobile phones and the like, and as a result, many people browse the homepage. There was a possibility that I could not get it. In addition, a technology for providing information linked with the operation of the karaoke apparatus, such as disclosing predetermined privilege information according to the user's karaoke performance, has not been developed yet.

  By the way, in recent karaoke apparatuses, a technology for using a mobile phone in which a predetermined application is installed as a remote control device has been generalized. In such a mobile phone, a technique for reading information corresponding to a two-dimensional code by imaging and analyzing a predetermined two-dimensional code has been developed. For example, this is the information providing system described in Patent Document 1. According to this technology, a URL included in the two-dimensional code is acquired by imaging and analyzing the two-dimensional code with an imaging device attached to the mobile phone, and on the Internet WWW server without complicated input. Access to the website is made possible.

JP 2004-140823 A

  As a result of continuing to search for a technique for easily and effectively disclosing information related to the music playback device, the present inventors apply the conventional two-dimensional code technology to information disclosure by the music playback device. I came up with the idea.

  The present invention has been made in the background of the above circumstances, and an object of the present invention is to provide a music playback device that makes it possible to easily and effectively disclose related information.

In order to achieve such an object, the gist of the present invention is a music playback device capable of outputting a predetermined performance song selected from a large number of performance songs and displaying a predetermined image. Calculating the cumulative performance duration of the musical composition and calculating the duration of the musical performance, and calculating the cumulative number of musical performances of the musical composition; Performance number calculation means for initializing the number of performance songs every time a user is switched, performance evaluation means for performing performance evaluation based on the performance of the performance music and voice information input from the outside, and the performance continuation playing duration which is calculated by the time calculation means, the number of playing music which is calculated by the playing music number calculating means, and the two-dimensional code that generates a predetermined two-dimensional code in accordance with the performance evaluation by the play evaluation means And forming means, and a two-dimensional code display means for displaying the two-dimensional code generated by the two-dimensional code generation means as an image, it is characterized in that comprises.

Thus, the play duration time calculating means for initializing the performance duration for each user is replaced with calculate the cumulative playing duration of the music piece, cumulative music piece of the music piece And a performance evaluation means for performing performance evaluation based on the performance of the performance music and voice information input from the outside. When playing duration which is calculated by the play duration time calculating means, playing music number which is calculated by the playing music number calculating means, and for generating a predetermined two-dimensional code in accordance with the performance evaluation by the play evaluation means two a dimension code generating means, and a two-dimensional code display means for displaying the two-dimensional code generated by the two-dimensional code generation means as an image, because they contain, play duration, number of played songs And it can be utilized easily and effectively disclose information as a privilege according to the performance evaluation results. That is, it is possible to provide a music playback device that makes it possible to easily and effectively disclose related information.

Here , preferably, the two-dimensional code indicates a URL or a predetermined e-mail address for accessing a predetermined website disclosing information related to the performance song existing on the WWW server. Thus, in a mobile phone equipped with an imaging device, the URL or e-mail address is read out by being captured and analyzed as an image by the imaging device . In this way, it is possible to easily and effectively disclose WWW information or an e-mail address related to a musical piece performed by the user, and to make the corresponding information disclosed more favorably to the mobile phone. There is an advantage that you can.

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

  FIG. 1 is a diagram for explaining a karaoke system 10 including a karaoke apparatus 12 which is an embodiment of a music reproducing apparatus of the present invention. A plurality of karaoke devices 12 installed in karaoke boxes, snacks, inns, etc., or general households are connected to a karaoke server 16 which is a center device of a karaoke service providing company via a communication line 14 such as a public telephone line. It is connected. The karaoke server 16 is a server for storing digital content including karaoke information, input / output management, and the like. The karaoke device 12 allows the karaoke device 12 to always play new songs. New music karaoke information and the like are periodically distributed to a plurality of karaoke apparatuses 12 via the line 14. A WWW (World Wide Web) server 18 operated by the karaoke service provider is connected to the communication line 14. In addition, a plurality of mobile phones 20 are connected to the communication line 14 via a plurality of relay base stations 22 provided in various places, and information is transmitted between the karaoke apparatus 12, the karaoke server 16, the WWW server 18, and the like. Transmission and reception are possible.

  The WWW server 18 has a homepage for the purpose of promoting the use of the karaoke device 12 and disclosing related information. This home page is operated as the official home page of the karaoke service provider, for example, and the user can browse desired information by accessing the home page with the mobile phone 20 or the like.

  FIG. 2 is a block diagram illustrating the configuration of the karaoke apparatus 12. As shown in FIG. 2, the karaoke device 12 includes a video display device 24 such as a CRT, a disc player 26, a video mixer 28, an amplifier mixer 30, a speaker 32, a microphone 34 as an audio input device, An operation panel 36, a CPU 38 as a central processing unit, a ROM 40, a RAM 42, a hard disk 44 as a storage device, a modem 46, a CRT controller 48, an input for processing input signals from the operation panel 36 and the like. An output interface 50, a synthesizer 52 as a sound source, an A / D converter 54, a remote control receiving unit 56 for receiving a remote control signal from an input device such as the mobile phone 20 or the remote control device 60, and an electronic sample device Wireless LAN communication unit 58 for performing wireless LAN communication with 62 and the like, Ete is configured.

  The CPU 38 is a so-called computer that processes and controls electronic information based on a predetermined program stored in advance in the ROM 40 using the temporary storage function of the RAM 42, and includes the remote control device 60, the electronic sample device 62, and the like. When the predetermined karaoke performance music is selected by the above, the selected karaoke performance music is registered in the reserved music list provided in the RAM 42 or selected from the hard disk 44 to the RAM 42 according to the performance order of the reserved music list. The performance information and lyric information of the karaoke performance music read out, the performance information is transmitted from the RAM 42 to the synthesizer 52 as the performance of the karaoke performance music progresses, and the lyric character video based on the lyric information Is generated and sent to the CRT controller 48. Or sent to the CRT controller 48 generates an image, and controls the disc player 26 in addition to the basic control, such as to reproduce a predetermined background image, performing a two-dimensional code issuing control described later.

  The operation panel 36 allows the user of the karaoke apparatus 12 to select a karaoke performance piece that the user wants to sing, adjust the pitch of the performance piece, adjust the volume balance between the performance and the song, and so on. , An input device provided with operation buttons (switches) or knobs for performing various adjustments such as tone. Further, the karaoke device 12 is provided with a remote control device 60 and an electronic quick sample device 62 that function as input devices for remotely executing some functions of the operation panel 36, and the remote control receiving unit 56 includes The remote control signals transmitted from these input devices are received and supplied to the CPU 38. Further, as shown in FIG. 3 to be described later, the mobile phone 20 that includes the remote control transmission unit 90 and in which a predetermined application is installed also functions as an input device. Input processing can be performed. Further, the wireless LAN communication unit 58 receives music selection input from the electronic quick sample device 62 by performing wireless LAN communication with the electronic quick sample device 62, or the electronic quick sample device from the karaoke device 12. Mutual information is exchanged between the karaoke device 12 and the electronic sample device 62 via radio waves, such as transmitting a command for executing predetermined processing to 62.

  The disc player 26 is a background video playback device that plays back a CD or DVD that stores a background video displayed on the video display device 24 when a user sings a song while referring to the lyrics. The CRT controller 48 is a character image output device that outputs a character image (telop) such as a lyric character image generated by the CPU 38, and the video mixer 28 is generated by the CPU 38 and the CRT controller 48. Is synthesized with the character video output from the video player and the background video reproduced by the disc player 26 and displayed on the video display device 24.

  The synthesizer 52 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 and sent from the hard disk 44. The performance information is, for example, data in MIDI (Musical Instrument Digital Interface) format, and the music signal generated by the synthesizer 52 based on the MIDI data is converted into an analog signal and sent to the amplifier mixer 30. In the amplifier mixer 30, the transmitted music signal and the user's singing voice input via the microphone 34 are mixed, and these signals are electrically amplified and output from the speaker 32. The A / D converter 54 converts the sound input from the microphone 34 into a digital signal and supplies it to the CPU 38 for karaoke performance evaluation processing to be described later.

  The hard disk 44 is provided with a karaoke database for storing a large number of karaoke information for outputting the performance music. The modem 46 is a device for connecting the karaoke device 12 to the communication line 14. A plurality of karaoke devices 12 respectively provided in a store such as a karaoke box are connected to the karaoke server 16 via the communication line 14, and new songs can always be played by the karaoke devices 12. As described above, new karaoke information is distributed from the karaoke server 16 through the communication line 14 and stored in the karaoke database of the hard disk 44 as needed. That is, the karaoke apparatus 12 is a communication karaoke apparatus that can execute transmission / reception of various information through an electric communication line.

  FIG. 3 is a block diagram illustrating the configuration of the mobile phone 20. The control unit 64 shown in FIG. 3 is a microcomputer that processes an input signal in accordance with a program stored in advance in the ROM 66, so that character input is executed in accordance with an input from an operation unit 68 having a predetermined character button or the like. Or a communication or call channel is established according to the telephone number input from the operation unit 68 and control is made so that mutual communication or communication is possible, or a predetermined value is determined according to the URL input from the operation unit 68. In addition to basic control such as accessing the website of this website and controlling the creation and transmission / reception of mails, two-dimensional code analysis control described later is executed.

  In the call state of the cellular phone 20, a call signal received by the transmission / reception unit 74 via the antenna 72 is converted from a digital code signal to a voice signal by the voice codec unit 78 via the modem unit 76, and the analog front end 80. As a result, the speaker 82 which is an audio output device is driven to output audio. At the same time, a voice signal converted from voice by the microphone 84 which is a voice input device is sent to the voice codec section 78 via the analog front end 80 and converted into a digital signal there. The modem section 76 and the transmission / reception section 74 , And the antenna 72. Further, in the communication state, the control unit 64 transmits the signal input from the operation unit 68 to the communication destination, and simultaneously causes the display unit 70 to display the signal received from the communication destination. If it is determined that there is an incoming call from another communication terminal, a predetermined melody (ringing sound) is output from the speaker 82 based on the melody information stored in the storage unit 86 in advance, In the non-output mode, a vibrator (not shown) is driven to generate vibration. In addition, since the mobile phone 20 includes a CCD image pickup unit 88 that is an image pickup device, it also functions as a so-called digital camera that can pick up still images and moving images. That is, when the shutter button of the operation unit 68 is pressed, an image is captured through a predetermined lens, and the image is converted into a video signal by the CCD and then stored in the storage unit 86.

  As shown in FIG. 3, the control unit 64 is functionally provided with a remote control signal transmission unit 92 and a two-dimensional code analysis unit 94 by installing a predetermined application. The remote control signal transmission means 92 transmits a remote control signal for performing music selection input and various adjustments to the karaoke apparatus 12 via the remote control transmission unit 88. Thus, the mobile phone 20 functions as an input device for remotely executing a part of the function of the operation panel 36. The two-dimensional code analyzing means 94 analyzes a two-dimensional code (to be described later) captured by the CCD imaging unit 88 and captured as an image, and reads information indicated by the two-dimensional code. For example, a character string indicated by such a two-dimensional code is read, and a predetermined website having the character string as a URL is accessed. Alternatively, control is performed such as writing the read character string as an e-mail address in a new mail destination.

  FIG. 4 is a functional block diagram illustrating a main part of the control function provided in the CPU 38 of the karaoke apparatus 12. The performance control means 100 shown in FIG. 4 controls the performance of the performance tune by the karaoke apparatus 12. Specifically, a predetermined performance song selected and input in accordance with the operation of the mobile phone 20, the remote controller 54, or the like is stored in the reserved song list formed in the RAM 30 as a performance waiting song. Further, when a predetermined performance music is ordered in the reserved music list, the performance information and the lyrics information of the performance music are read out and sent to the RAM 30, and the karaoke performance is executed based on the information.

  The performance evaluation unit 102 performs performance evaluation based on the performance by the performance control unit 100 and the voice input from the microphone 34, that is, the user's song. For example, the voice information input by the microphone 34 and converted into a digital signal by the A / D converter 54 is compared with the music information output by the synthesizer 52, and the basic pitch such as a melody is input to the input voice. Scoring is performed based on the relative deviation from the pitch extracted from the sound and the absolute volume of the sound.

  The performance duration calculation means 104 calculates the cumulative performance duration of the performance song. The performance song number calculation means 106 calculates the cumulative number of performance songs of the performance songs. The performance duration calculation means 104 and the number of performance songs calculation means 106 are, for example, a cumulative performance duration and performance after a predetermined user (group) starts playing with the karaoke device 12 in a karaoke box or the like. Calculate the number of songs. The performance duration time and the number of performance songs are initialized every time the user is switched by a predetermined operation or when the power of the karaoke apparatus 12 is temporarily turned off.

  The two-dimensional code generation means 108 generates a predetermined two-dimensional code according to the performance of the performance music. The two-dimensional code is an information expression code composed of a two-dimensional (planar) figure such as a QR code (DENSO WAVE INCORPORATED trademark) defined in Japanese Industrial Standard “JIS X 0510”. The two-dimensional code generation means 108 preferably generates a two-dimensional code indicating a URL for accessing a predetermined website existing on the WWW server 18. That is, a two-dimensional code indicating a URL of a web page that discloses information related to a musical piece before and after the performance of the musical piece is generated. For example, when a performance by the performance control unit 100 is performed with respect to a predetermined performance music until the end of the music, information as a privilege for the user singing the performance music to the end (for example, a performance music) A predetermined two-dimensional code indicating a URL of a web page that discloses a message from a singing artist or the like is generated. Preferably, a two-dimensional code indicating a predetermined electronic mail address is generated. This e-mail address is for sending e-mail to the WWW server 18, for example.

  In addition, preferably, when it is desired to sing a large number of performance songs by a predetermined artist, a two-dimensional code indicating the performance may be issued every time the performance song of the artist is played to the end. In this case, the two-dimensional code is taken in by the CCD image pickup unit 88 of the mobile phone 20 to access a predetermined website existing on the WWW server 18, and the user has played the music piece to the end. To register. And when it is confirmed that the performance music more than the predetermined number of music was performed to the end, the aspect of transmitting predetermined information to the cellular phone 20 as a privilege by e-mail, etc. can be considered.

  Preferably, the two-dimensional code generation unit 108 generates the two-dimensional code in accordance with performance evaluation by the performance evaluation unit 102. Specifically, when the performance evaluation by the performance evaluation means 102 is a predetermined score or more, the URL of a web page that discloses information as a privilege for the user's high performance evaluation is shown. A predetermined two-dimensional code is generated.

  Also preferably, the two-dimensional code generation means 108 generates the two-dimensional code according to the performance duration calculated by the performance duration calculation means 104. Specifically, when the performance duration calculated by the performance duration calculation means 104 exceeds a predetermined time, the user has performed for a long time (uses the karaoke device 12 for a long time). A predetermined two-dimensional code indicating a URL of a web page that discloses information as a privilege for the is generated.

  Preferably, the two-dimensional code generation means 108 generates the two-dimensional code according to the number of performance songs calculated by the performance music number calculation means 106. Specifically, when the number of performance tunes calculated by the performance tune number calculation means 106 exceeds a predetermined number, a web disclosing information as a privilege for the user playing many performance tunes A predetermined two-dimensional code indicating the URL of the page is generated.

  The two-dimensional code display means 110 displays the two-dimensional code generated by the two-dimensional code generation means 108 on the video display device 24 as an image. FIG. 5 is a diagram illustrating the two-dimensional code 112 displayed on the video display device 24. The two-dimensional code 112 displayed in this way is captured and captured by the CCD imaging unit 88 of the mobile phone 20 and analyzed by the two-dimensional code analyzing means 94, whereby the URL indicated by the two-dimensional code is obtained. After being read out, the mobile phone 20 accesses a predetermined website existing on the WWW server 18.

  FIG. 6 is a flowchart for explaining QR code (two-dimensional code) issuance control by the CPU 38 of the karaoke apparatus 12, and is repeatedly executed at a predetermined cycle.

  First, in a step (hereinafter, step is omitted) S1 corresponding to the operation of the performance control means 100, performance information and lyrics of a predetermined performance song selected and input in accordance with the operation of the mobile phone 20, the remote controller 54, etc. Information is read out, and karaoke performance is executed based on the information. Next, in S2, it is determined whether or not the karaoke performance of the performance music has been completed. If the determination at S2 is negative, the processing after S1 is executed again. If the determination at S2 is affirmative, at S3, the performance piece played at S1 is subject to QR code issue. It is determined whether or not it is a song. If the determination in S3 is negative, the processing from S6 is executed. If the determination in S3 is affirmative, in S4, the performance music performed in S1 is sung to the end. A predetermined two-dimensional code indicating the URL of a web page that discloses information as a privilege for the event is generated. Next, in S5 corresponding to the operation of the two-dimensional code display means 110, the two-dimensional code generated in S4 is displayed as an image on the video display device 24, and then this routine is terminated.

  If the determination in S3 is negative, that is, if the performance song performed in S1 is not a QR code issuance target song, the performance output in S1 in S6 corresponding to the operation of the performance evaluation means 102 Performance evaluation is performed based on the music information of the song and the voice information input from the microphone 34. Next, in S7, it is determined whether or not the evaluation result in S6 is a predetermined score or more. If the determination in S7 is negative, the processing from S9 is executed, but if the determination in S7 is affirmative, in S8, a privilege for the user's performance evaluation being a high score A predetermined two-dimensional code indicating the URL of the web page that discloses the information is generated. In S5, the two-dimensional code generated in S8 is displayed as an image on the video display device 24, and then this routine is terminated.

  If the determination in S7 is negative, that is, if the evaluation result in S6 is less than a predetermined score, a cumulative karaoke performance duration is calculated in S9 corresponding to the operation of the performance duration calculation means 104. . Next, in S10, it is determined whether or not the karaoke performance duration calculated in S9 has reached a predetermined time or more. If the determination in S10 is negative, the processing from S12 onward is executed, but if the determination in S10 is affirmative, in S11, as a privilege for the user performing for a long time. A predetermined two-dimensional code indicating the URL of a web page that discloses information is generated. In S5, the two-dimensional code generated in S11 is displayed as an image on the video display device 24, and then this routine is terminated.

  If the determination in S10 is negative, that is, if the karaoke performance duration calculated in S9 is less than a predetermined time, a cumulative karaoke performance is performed in S12 corresponding to the operation of the number-of-performances calculation means 106. The number of songs is calculated. Next, in S13, it is determined whether or not the number of karaoke performance songs calculated in S12 is equal to or greater than a predetermined number. If the determination in S13 is negative, the routine is terminated accordingly, but if the determination in S13 is affirmative, in S14, as a benefit for the user playing a large number of performance songs. A predetermined two-dimensional code indicating the URL of the web page that discloses the information is generated. In S5, the two-dimensional code generated in S14 is displayed as an image on the video display device 24, and then this routine is terminated. In the above control, S4, S8, S11, and S14 correspond to the operation of the two-dimensional code generation means 104.

  Thus, according to the present embodiment, the two-dimensional code generation means 108 (S4, S8, S11, and S14) for generating the predetermined two-dimensional code 112 related to the karaoke apparatus 12, and the two-dimensional code generation thereof Since it includes the two-dimensional code display means 110 (S5) for displaying the two-dimensional code 112 generated by the means 108 as an image, the information related to the karaoke apparatus 12 can be displayed in an easy-to-use manner. . That is, it is possible to provide the karaoke apparatus 12 that allows related information to be disclosed easily and effectively.

  In addition, since the two-dimensional code indicates information according to the performance of the performance music, there is an advantage that information reflecting the performance of the performance music can be displayed in an easy-to-use manner.

  Further, since the two-dimensional code 112 indicates a URL for accessing a predetermined website existing on the WWW server 18, the WWW information related to the karaoke apparatus 12 can be used easily and effectively. There is an advantage that it can be disclosed.

  Further, since the website discloses information related to the performance music, the WWW information related to the performance music performed by the user can be easily and effectively disclosed. There is.

  Further, since the two-dimensional code indicates a predetermined e-mail address, there is an advantage that an e-mail address related to the karaoke apparatus 12 can be easily and effectively disclosed.

  The two-dimensional code 112 is read and analyzed as an image by the CCD imaging unit 88 in the mobile phone 20 including the CCD imaging unit 88 as an imaging device, so that the URL or the e-mail address is read out. Therefore, there is an advantage that information related to the karaoke device 12 can be disclosed more suitably by the mobile phone 20.

  Further, it includes performance evaluation means 102 (S6) for performing performance evaluation based on the performance of the performance music and voice information input from outside, and the two-dimensional code generation means 108 performs performance evaluation by the performance evaluation means 102. Since the two-dimensional code 112 is generated according to the performance, information as a privilege according to performance evaluation can be disclosed easily and effectively, and the use of the karaoke device 12 can be promoted. There is an advantage that you can.

  Further, it includes a performance duration calculation means 104 (S9) for calculating a cumulative performance duration of the performance tune, and the two-dimensional code generation means 108 is a performance duration calculated by the performance duration calculation means 104. Since the two-dimensional code 112 is generated according to the performance information, information as a privilege according to the performance duration time can be easily and effectively disclosed, and the use of the karaoke device 12 is promoted. There is an advantage that can be.

  Further, it includes a performance song number calculation means 106 (S12) for calculating the cumulative number of performance songs of the performance songs, and the two-dimensional code generation means 108 calculates the number of performance songs calculated by the performance song number calculation means 106. Since the two-dimensional code 112 is generated according to the number, the information as the privilege according to the number of performance songs can be easily and effectively disclosed, and the use of the karaoke device 12 is promoted. There is an advantage that can be.

  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 two-dimensional code 112 indicates a URL for accessing a predetermined website existing on the WWW server 18, but the two-dimensional code displayed according to the present invention. 112 is not limited to this. For example, as a result of performing a predetermined performance piece to the end, as a result of obtaining a performance evaluation of a predetermined score or more, or performing a karaoke performance continuously for a predetermined time or more. The result itself may be shown. The effect as in the above-described embodiment can also be obtained by causing the CCD imaging unit 88 of the mobile phone 20 to image such a two-dimensional code 112 and sending it to the WWW server 18 as a mail.

  In the above-described embodiment, the two-dimensional code 112 is captured and used as an image by the CCD imaging unit 88 in the mobile phone 20 including the CCD imaging unit 88 as an imaging device. For example, it may be used by being read by a two-dimensional code reader provided in the karaoke apparatus 12. Further, a web page corresponding to the URL indicated by the acquired two-dimensional code 112 may be displayed on the video display device 24 or the electronic quick sample device 62.

  In the above-described embodiment, the two-dimensional code 112 is used by the user who performed with the karaoke apparatus 10. For example, the two-dimensional code 112 is used to read a website by reading the two-dimensional code 112. When accessing, the WWW server 18 side may collect performance results (scoring, performance time, number of performance songs, etc.) and make it possible for another user to view the results. Accordingly, there is an advantage that the ranking of the performance results can be easily updated and can be opened for viewing by an arbitrary user on a predetermined website.

  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 a figure explaining the karaoke system containing the karaoke apparatus which is one Example of the music reproduction apparatus of this invention. It is a block diagram which illustrates the composition of the karaoke device which is one example of the music reproducing device of the present invention. It is a block diagram which illustrates the structure of the mobile telephone used for the karaoke system of FIG. It is a functional block diagram explaining the principal part of the control function with which CPU of the karaoke apparatus of FIG. 2 was equipped. It is a figure which illustrates the two-dimensional code displayed on the video display apparatus of the karaoke apparatus of FIG. It is a flowchart explaining the two-dimensional code issue control by CPU of the karaoke apparatus of FIG.

Explanation of symbols

12: Karaoke device (music playback device)
18: WWW server 20: Mobile phone 88: CCD imaging unit (imaging device)
102: Performance evaluation means 104: Performance duration calculation means 106: Performance music number calculation means 108: Two-dimensional code generation means 110: Two-dimensional code display means 112: Two-dimensional code

Claims (2)

A music playback device capable of outputting a predetermined performance song selected from a large number of performance songs and displaying a predetermined image,
A performance duration calculation means for calculating a cumulative performance duration of the performance piece and initializing the performance duration every time a user is switched ;
A performance song number calculating means for calculating the cumulative number of performance songs of the performance song and initializing the number of performance songs each time a user is switched;
Performance evaluation means for performing performance evaluation based on the performance of the performance song and audio information input from the outside;
A two-dimensional code for generating a predetermined two-dimensional code according to the performance duration calculated by the performance duration calculation means, the number of performance songs calculated by the performance song number calculation means, and the performance evaluation by the performance evaluation means Generating means;
And a two-dimensional code display means for displaying the two-dimensional code generated by the two-dimensional code generation means as an image. The two-dimensional code state, and it is not showing a URL or a predetermined e-mail address for accessing a predetermined website to disclose information relating to the musical piece that exists on the WWW server, equipped with the imaging device in the mobile phone, music playback apparatus according to claim 1 in which the URL or e-mail address is read by being analyzed is captured as an image by the imaging device.

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