JP5417012B2 - Karaoke device that highlights the main voice of a song - Google Patents

Description

  The present invention relates to a karaoke apparatus that highlights the main voice of a song, especially when each song part of a polyphonic song is shared and sung by a plurality of singers each having a microphone. The present invention relates to a karaoke apparatus in which both sides and listeners can enjoy comfortable and balanced repeated singing.

  At the site where the karaoke apparatus is used, in addition to a single singing song by a single singer, multiple singing songs in which a plurality of singers share each voice are often sung. There is also known a karaoke apparatus that is devised so that it can better sing oversung songs.

  The karaoke apparatus of Patent Document 1 (Japanese Patent No. 3452791) has a function of determining a singing part of a singing voice signal input from a microphone for a duet song, and can perform singing scoring for each part.

  In the karaoke apparatus of Patent Document 2 (Japanese Patent No. 4068069), when the back chorus part included in the karaoke music data is acoustically output together with the karaoke performance, the singing voice signal input from the microphone is the same part as the back chorus part. Is determined to be singing, the back chorus volume is reduced.

  The karaoke apparatus of Patent Document 3 (Japanese Patent Application Laid-Open No. 2007-072315) is a singing part of a singing voice signal input from a microphone for polyphonic choral music when an exemplary vocal included in karaoke music data is acoustically output together with karaoke performance. The volume of the model vocal of the part is reduced, and the singing voice and the model vocal of the other voice part are mixed well.

Japanese Patent No. 3452791 Patent No. 4068069 JP2007-072315

  Karaoke devices are often used in groups of multiple people, but when singing polyphonic chorus, it is better for multiple users in the group to sing together with a microphone. Enjoy the feeling of solidarity and excitement.

  The purpose of the present invention is that when a plurality of singers each having a microphone share a singing part of a singing song, the singing side and the listening side can perform a well-balanced singing in a comfortable and balanced manner. Is to provide a karaoke apparatus.

The karaoke apparatus according to the present invention is specified by the following items (1) to (6).
(1) It is a karaoke apparatus provided with a loudspeaker, a plurality of microphones, a melody analyzer, a sound volume comparator, and a singing voice volume controller. (2) The loudspeaker is a chorus generated based on karaoke data. Karaoke accompaniment music of songs and singing voices from multiple microphones,
(3) The karaoke data of the singing song includes the melody data of the main voice part. (4) The melody analyzing means performs the melody data of the main voice part in the karaoke data and the singing voice signal from each microphone during the performance of the singing song. And (5) the volume comparison means is the output level of the singing voice signal output from each of the amplification systems of the plurality of microphone outputs in the loudspeaker means. comparing the voice volume level based on (6) vocal sound volume control means in the melody analyzing unit and the volume comparing means by comparative analysis of the sound volume level of each voice, each made volume level of the main voice is maximized voice as volume balance part is optimized, individually adjusts the gain of each microphone output amplification system in loudspeaker means based on the output of the melody analyzing unit and volume comparing means And

  When multiple singers, each with a microphone, share each song part of a song, the balance of each voice is automatically optimized so that both the singing side and the listening side are comfortable and balanced. A good chorus will be performed.

It is a block diagram which shows schematic structure of the whole karaoke apparatus which comprises one Example of this invention. It is a block diagram which extracts and shows the principal part of the karaoke apparatus which concerns on this invention.

=== General configuration of the entire karaoke apparatus ===
A schematic configuration of a karaoke apparatus according to an embodiment of the present invention is illustrated in FIG.
This karaoke apparatus is a computer application device equivalent to a well-known personal computer, and the central processing unit 11 that forms the core of the karaoke apparatus forms a computer main body including a CPU, a RAM, and a ROM.

  Under the control and management of the central processing unit 11, a hard disk device 12 as a large-capacity external storage, an optical disk playback device 13 such as a CD-ROM or DVD-ROM, and a karaoke host device via a public communication line such as an optical communication line A communication control device 14 for communication, a user interface device 15 for exchanging input from a user and a response to the user, and a music generation device 16 for generating an acoustic signal of accompaniment music based on MIDI music performance data An acoustic device 17 that amplifies accompaniment music and an acoustic signal from the microphone 21 to generate sound from the speaker 22, a display 18 using an LCD, a PDP, and the like, and a video processing device 19 that processes video data to be displayed on the display 18 Is installed.

  The hard disk device 12 stores karaoke data including accompaniment music data mainly composed of MIDI data and lyric character data (lyric subtitle data) that is the origin of generation of lyric images for a large number of karaoke songs. In addition, for the long-format video data in a predetermined format, script data that defines the video data processing sequence (storage location and processing order of video data to be processed, etc.) Table of contents information such as the release year and the singing part of the lyrics is also stored. Furthermore, singing melody data is attached to the karaoke data of each song (karaoke song data), but the singing melody data is attached to each of a plurality of voice parts including the main voice part about the karaoke data of the singing song. ing.

  The music generation device 16 generates accompaniment music from the accompaniment music data in the karaoke data. As for the lyric character data, the lyric image in which the portion to be sung is changed in color in synchronization with the accompaniment music is successively developed in the video RAM as a bitmap. Also, predetermined moving image data is sequentially transferred to the video processing device 19 in a predetermined order based on the script data, and the background moving image of the lyrics image is decoded.

  The acoustic device 17 includes a mixing amplifier and mixes and amplifies the accompaniment music generated by the music generation device 16 and the singing voice input from the microphone 21 and outputs the sound from the speaker 22. A plurality of microphones 21 can be connected simultaneously. The outputs of the microphones 21 are amplified by independent amplification systems, and finally mixed with accompaniment music for sound output.

  The operation of the acoustic device 17 is controlled by an acoustic control unit 30 including a melody analysis unit 31, a volume comparison unit 32, and a singing voice volume control unit 33 (see FIG. 2).

  The video processing device 19 superimposes the lyrics image on the decoded moving image and displays it on the display 18. Lyric images are created sequentially from time-series lyric character data synchronized with the progress of accompaniment music.

  The user interface device 15 includes an operation panel 151 of the karaoke device main body and a karaoke remote control device 152, and includes short-range wireless communication means (IrDA transceiver, infrared LED, infrared light receiving element) capable of bidirectional communication. .

  The central processing unit 11 identifies the karaoke data, script data, and table of contents information of each song by the song ID, and manages this as a karaoke database.

  The central processing unit 11 receives a reservation command (request) from the user interface device 15. The reservation command includes a music ID (music identification code). When this reservation command is received, the music IDs included in the command are registered at the end of the processing reservation queue in the order of reception. And music ID is taken out sequentially from the head of a queue.

  When the song ID is taken out from the queue, the karaoke data for the corresponding song is taken out from the karaoke database and used for performance processing. The reservation command is input by operating the operation panel 151 or the karaoke remote control device 152. When a command is input, the music ID contained therein is once registered in the queue. Then, the queues are read in order from the head of the queue and are played or reproduced.

=== Configuration for supporting chorus ===
Since the karaoke apparatus according to the embodiment of the present invention corresponds to the singing of overlying music, as shown in FIG. 2, a plurality of amplification systems 171 that amplify outputs of the plurality of microphones 21 independently, An acoustic control unit 30 that individually controls the gain of 171 is included.

  The output of each amplification system 171 is finally mixed by the mixing amplifier 172 and is acoustically output from the speaker 22. The acoustic control unit 30 includes a melody analysis unit 31, a volume comparison unit 32, and a singing voice volume control unit 33.

  The melody analysis unit 31 individually compares the melody data of the main voice part in the karaoke data and the singing voice signal from each microphone 21 during the performance of the chorus, and identifies the microphone to which the singing voice of the main voice part is input. To do. The singing melody data for each lyric part (voice part) is attached to the karaoke data of the song song. This singing melody data is used as a criterion for singing, etc., but here it is used to determine the singing voice of the main voice part. By comparing the singing voices input from the respective microphones 21 with the main melody data in time series, it is possible to identify which microphone from which the singing voice is the main voice.

  The volume comparison unit 32 detects the singing voice volume levels output from the plurality of microphone 21 output amplification systems 171 and compares them. The volume level is detected by cyclically sampling the output level of each amplification system 171 and averaging the latest sampling values for a predetermined number of times for each amplification system 171, so that each amplification system 171, that is, each microphone 21. The singing voice volume level is detected. Based on this detection, the singing voice volume levels output from the plurality of microphone 21 output amplification systems 171 are compared and analyzed.

  Based on the outputs of the melody analysis unit 31 and the volume comparison unit 32, the singing voice volume control unit 33 sets the maximum volume level by the volume comparison unit 32 for the singing voice of the main voice from the microphone 21 specified by the melody analysis unit 31. The gain of each microphone output amplification system 171 is individually adjusted so as to be compared and analyzed. For example, when the main voice part is a first voice part, the microphone 21 is determined to have received the singing voice of the first voice part. The gain of each amplifying system 171 is individually adjusted so that the singing voice signal becomes the maximum volume level with respect to that of the other voice part.

  It should be noted here that the gain adjustment is such that the singing voice volume level of the main voice section detected and compared by the volume comparison section 32 is relatively maximum with respect to the volume levels of other voice sections. Is to be done. The singing voice volume level detected and compared by the volume comparison unit 32 greatly depends not only on the gain value of the amplification system but also on the singer's voice volume.

  When the volume of the singer who sings the main voice is small, the gain of the amplification system that outputs the singing voice signal of the singer may be increased accordingly. However, when the volume of the main voice singer is sufficient and overwhelming that of the other voice singers from the beginning, the amplification system that outputs the main voice singing signal There is no need to increase the gain of the voice, and in some cases, the gain may be lowered to balance each voice. That is, the gain adjustment of each microphone output amplification system 171 is based on the comparison analysis result in the volume comparison unit 32, and the balance of each voice part of the song is automatically optimized so that both the singing side and the listening side are comfortable. It is performed so that balanced chorus is performed.

=== Preferred form of gain adjustment ===
The melody data of each voice attached to the karaoke data of the chorus includes strong and weak data that indicates the volume level such as pianissimo and fortissimo. Also in karaoke, in order to enjoy a better singing, it is preferable that the strength data is reflected in the singing at least at the stage where sound is finally output from the speaker.

  Therefore, it is preferable that the strength data is also reflected in the individual adjustment of the gain of each microphone output amplification system by the singing voice volume control unit 33. For this purpose, it is preferable to weight the comparison analysis result of the volume comparison unit 32 serving as a reference for the gain adjustment with the strength data.

When the intensity data included in the melodic data of a chord song indicates a high volume such as fortissimo, weighting is performed so that the gain of the amplification system that outputs the singing voice signal of the melodic data is relatively high, and conversely When the intensity data included in the melody data indicates a low volume such as pianissimo, weighting is performed so that the gain of the amplification system that outputs the singing voice signal of the melody data is relatively lowered.
As a result, it becomes possible to sing the oversung song while drawing out the original taste of the song better.

DESCRIPTION OF SYMBOLS 11 Central processing unit 12 Hard disk device 13 Optical disk reproducing device 14 Communication control device 15 User interface device 151 Operation panel 152 Karaoke remote control device 16 Music generating device 17 Audio device 171 Amplifying system 172 Mixing amplifier 18 Display 19 Video processing device 21 Microphone 22 Speaker 30 Sound control unit 31 Melody analysis unit 32 Volume comparison unit 33 Singing volume control unit

Claims (2)

A karaoke apparatus comprising a loudspeaker, a plurality of microphones, a melody analyzer, a volume comparator, and a singing volume controller,
The loudspeaker acoustically outputs the karaoke accompaniment music of the chorus song generated based on the karaoke data and the singing voices from a plurality of microphones,
The karaoke data of the chorus includes the melody data of the main voice,
The melodic analysis means individually compares the melody data of the main voice part in the karaoke data and the singing voice signal from each microphone during the performance of the chorus, and identifies the microphone to which the singing voice of the main voice part is input,
The volume comparison means compares the singing volume level based on the output level of each singing voice signal output from the amplification system of the plurality of microphone outputs in the loudspeaker means,
Singing voice volume control means, in the comparative analysis of the volume level of each voice part by the melody analysis means and the volume comparison means, the volume level of the main voice part is maximized and the volume balance of each voice part is optimized. A karaoke apparatus that individually adjusts the gain of each microphone output amplification system in the loudspeaker unit based on the outputs of the melody analysis unit and the volume comparison unit. The singing voice volume control means performs weighting so that the volume level indicated by the strength data included in the melody data is reflected to the gain adjustment amount when individually adjusting the gain of each microphone output amplification system. 1. The karaoke apparatus according to 1.

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