JP2008233320A - On-vehicle karaoke system provided with function of voice selection for music piece - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve convenience as selectable without outputting a voice signal for music piece selection even during musical piece performance by specifying a music piece selection person in selecting a music piece from a microphone concerning an on-vehicle karaoke system provided with a function of voice selection for a music piece. <P>SOLUTION: The on-vehicle karaoke system regards the voice signal as a singing voice signal when a seat ID corresponding to microphone specifying information of an input voice signal is the seat ID of a singer during performance of a reservation waiting queue managed in a reservation management means 27 by specifying the seat ID from the microphone specifying information (information of input terminal) through being connected to the microphone input terminal 14 of microphones 15A, 15B used in a vehicle, switches output by regarding the voice signal as the music piece selection voice signal in the case of the seat ID except for the singer, and registers it by selecting the music piece by voice recognized data and relating to the seat ID in the reservation queue in the case of the music piece selection voice signal. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an in-vehicle karaoke system that is installed in an automobile or the like and has an audio music selection function for selecting music associated with karaoke performance.

  In recent years, karaoke systems have come to have various functions, and it is also possible to select music by voice recognition from an audio signal from a microphone when selecting music for karaoke performance. In such music selection, the singing voice signal and the voice signal for music selection are distinguished from each other, and further convenience is desired so that the music can be selected without acoustic output of the voice signal for music selection even during singing.

  Conventionally, an in-vehicle karaoke system has been desired to be an input method that does not hinder driving when knowing the safety, especially for drivers, while it is for passengers other than drivers. However, since it is desired that the music selection be performed efficiently, for example, the following patent literature proposes the music selection technique.

Utility Model Registration No. 2602342

  In the above-mentioned patent document, when a target number of voice signals is recognized from a voice signal from a microphone, a song number corresponding to the number is selected and played back by the playback unit. At this time, voice is input from the microphone. It has been proposed that if there is a song, it is determined that the song is being sung and the corresponding song number is selected by the playback unit when the numeric sound is input after the song is finished.

  However, although the thing of the said patent document can select music easily from a macrophone, it cannot identify who selected music, and cannot select music during performance of karaoke music, Even if music selection is possible, there is a problem in that an audio signal for music selection is output from the speaker.

  Therefore, the present invention has been made in view of the above problems, and it is possible to specify a music selector when selecting music from a microphone, and it is possible to select music without outputting sound signals for music selection even during music performance An object of the present invention is to provide an in-vehicle karaoke system having a voice selection function for improving convenience.

  In order to solve the above-described problem, the invention of claim 1 is an in-vehicle karaoke system having a sound selection function that allows a user to select music from a microphone, and each seat is associated with a seat ID, The seat ID is associated and registered in the reservation queue, and includes a use microphone specifying means, a seat discrimination voice switching means, and a music selection processing means, and the use microphone specifying means The microphone identification information to be identified is sent to the seat discrimination voice switching means, and the seat discrimination voice switching means discriminates the seat ID based on the microphone identification information and corresponds to the microphone identification information of the audio signal input from the microphone. When the seat ID to be played is the singer's seat ID during the performance of karaoke music in the reservation queue, the voice signal is used as the singing voice signal, and the singing In the case of a seat ID other than the above, the output destination is switched using the audio signal as the music selection audio signal, and the music selection processing means selects the music based on the voice recognition data based on the music selection audio signal and puts the seat ID in the reservation queue. Are registered in association with each other.

In the second and third aspects of the invention, “the seat discrimination voice switching means discriminates the seat ID based on the microphone identification information when a microphone is connected to any of the microphone input terminals disposed in the vehicle”. And
“The seat determination voice switching unit is configured such that microphones that transmit microphone IDs are arranged in the vehicle, and the seat ID is determined based on the microphone identification information by receiving the transmitted microphone ID”.

  According to the present invention, the seat ID is determined from the microphone identification information of the microphone used in the vehicle, and the seat ID corresponding to the microphone identification information of the input audio signal is during the performance of karaoke music in the reservation queue. In the case of a singer's seat ID, the voice signal is used as a singing voice signal, and in the case of a seat ID other than the singer, the output is switched using the voice signal as a music selection voice signal. By selecting a song based on data and registering it in association with a seat ID in the reservation queue, it is possible to specify a song selector when selecting a song from a microphone, and a sound for selecting a song even while a karaoke song is being played. It is possible to improve convenience by making it possible to select a music without outputting a signal as a sound.

Hereinafter, the best embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a block configuration diagram of a first embodiment of an in-vehicle karaoke system having a voice music selection function according to the present invention. In FIG. 1, an in-vehicle karaoke system 11 performs a karaoke performance based on performance data of a karaoke piece selected by a user. 14, a speaker 16 and a remote control device 17 are connected.

  Here, the display unit 13 displays a music selection display, a video at the time of karaoke performance, and a lyrics telop, and has a user interface function linked to an operation panel 34 described later. As this user interface function, for example, a liquid crystal display (LCD) and a touch sensor are stacked and used for input / output, and data such as music selection is input by the touch sensor corresponding to the displayed icon or the like. It is a GUI that can.

  The microphone input terminal 14 serves as a microphone to be used, and includes input terminals M1 to M4 arranged at positions corresponding to seats in the vehicle (described in FIG. 2). A microphone 15 (15A, 15B) is connected to any one of the input terminals M1 to M4 of the microphone input terminal 14, and a predetermined input terminal M1 to which the microphone 15 (15A, 15B) is connected together with an audio signal. -M4 information is output to the seat discrimination voice switching means 32 as microphone identification information. In the figure, the microphone A (15A) is connected to the input terminal M3 of the microphone input terminal 14, and the microphone B (15B) is connected to the input terminal M4. Note that the predetermined input terminals M1 to M4 of the microphone input terminal 14 to which the microphone 15 is connected are detected by the seat discrimination voice switching means 32 based on, for example, whether or not it is energized.

  The speaker 16 outputs a performance signal mixed by a mixing amplifier 30 (to be described later) and a singing voice signal input from the microphone 15 (15A, 15B) when playing karaoke music. The remote control device 17 has a known configuration, and is exclusively for performing song selection, key setting during singing, echo setting, and the like.

  The karaoke main body 12 includes a bus 21, a central control unit 22, a ROM 23, a RAM 24, a music DB (music database) 25, a music search unit 26, a reservation management unit 27, a music song output unit 28, a reproduction control unit 29, and a mixing amplifier 30. , An A / D conversion unit 31, a seat determination voice switching unit 32, an operation input IF (interface) 33, an operation panel 34, a reception unit 35, and a music selection processing unit 36, and the music selection processing unit 36 includes a voice recognition unit 37. Is provided.

  The central control unit 22 is a physical CPU that performs overall process control of the system, and performs algorithm processing based on a program stored in the ROM 23. The RAM 24 serves as a work area for developing and executing various programs. The RAM 24 is a concept that includes, for example, a semiconductor memory and is virtually built on a hard disk.

  The music DB 25 is a database that stores a predetermined number of performance data managed by music codes for each music, a singing data file composed of background video data and lyrics telop data synchronized with the performance data.

  The music search means 26 allows the user to search for music by input from the display unit 13 (operation panel 34) or input from the remote control device 17, and to the audio signal input from the microphone 15 (15A, 15B). This is a program for selecting music by the music selection processing means 36 on the basis, and is expanded in the RAM 24 and executed. The reservation management means 27 associates the seat ID with the music selected by the user using the remote control device 17 (or the operation panel 34 (display unit 13)) and the music selected by the music selection processing means 36, and the RAM 24 The program is stored in a reservation queue formed in the memory area and managed for reservation, and is expanded in the RAM 24 and executed. The seat ID to be associated is specified from the microphone specifying information (information on the input terminals M1 to M4 of the microphone input terminal 14) by the seat determination voice switching means 32 when the music selection processing means 36 selects the music.

  The music tune output unit 28 is an electronic circuit that digitally reproduces the performance data extracted from the music DB 25 with the music code, converts it to analog, and outputs it to the mixing amplifier 30. The mixing amplifier 30 is a singing voice signal from the microphone 15 (15A, 15B) of the input terminal specifying the singer's seat ID while the karaoke music is being played, and a performance signal sent from the music tune output unit 28. Are mixed, amplified, and output from the speaker 16.

  The playback control unit 29 is an electronic device that outputs background video data and lyric telop data (lyric character data) in the music data extracted from the music DB 25 to the display unit 13 in synchronization with the music performance data during performance. Circuit. The A / D converter 31 digitally converts the audio signal from the microphone 15 (15A, 15B) sent via the microphone input terminal 14 and the seat discrimination audio switching means 32, and selects the music selection processing means 36 as audio data. Electronic circuit to be sent to

  The seat discriminating voice switching means 32 discriminates a seat ID on a table (not shown) based on microphone specifying information (input terminals M1 to M4) of the microphone 15 (15A, 15B) being used, and the microphone of the input audio signal. When the seat ID corresponding to the input terminals M1 to M4 is the seat ID of a singer who is playing a karaoke piece in the reservation queue, the voice signal is used as a singing voice signal, and the seat ID is other than the singer. Is a program for switching the output destination using the audio signal as a music selection audio signal, and sending a seat ID other than the singer to the music selection processing means 36, which is developed in the RAM 24 and executed.

  For example, if karaoke music is being played and the seat ID of the singer in the reservation queue corresponds to the input terminal M3 to which the microphone A (15A) is connected, the microphone A (15A) If the audio signal is output to the mixing amplifier 30 as a singing audio signal and the audio signal from the microphone B (15B) is input, the audio signal is from a seat ID (2B) other than the singer ID (2A). The audio signal is switched to be output to the A / D converter 31 as a music selection audio signal.

  The operation input IF 33 is a program or program for ensuring consistency with input signals from the operation panel 34 and the receiving unit 35 that receives transmission signals from the remote control device 17 when the user selects music manually. It is an electronic circuit. The operation panel 34 includes operation buttons for selecting a song in addition to echo, left / right balance, and volume of output volume from the speaker 16 in conjunction with the user interface function of the display unit 13.

  Then, the music selection processing means 36 recognizes the voice data based on the music selection voice signal (for example, artist name, song name) from the A / D conversion section 31 by the voice recognition means 37 and selects the music by the music search means 26 as text data. The program is registered in the reservation queue by associating and sending the seat ID acquired from the seat discrimination voice switching unit 32 to the reservation management unit 27 in association with the seat ID, and is expanded in the RAM 24 and executed.

  Here, FIG. 2 shows an explanatory diagram of the in-vehicle arrangement of the in-vehicle karaoke system in FIG. In FIG. 2, for example, the passenger car 41 has four seats, and the position where the handle 42 is located is the driver's seat. For example, a karaoke performance device 12 is provided in front of the passenger car 41, and a display unit 13 is disposed in the vicinity thereof. Moreover, the speaker 16 is arrange | positioned ahead (back or front and back). Further, a wired microphone 15 (15A, 15B) connected to any of the input terminals M1 to M4 constituting the microphone input terminal 14 and the remote control device 17 are placed in the vehicle so as to be portable.

  And corresponding to each seat, the input terminal of each input terminal M1-M4 which comprises the microphone input terminal 14 is arrange | positioned at the side surface side. In addition, the arrangement of the input terminals of each of the input terminals M1 to M4 is, for example, a ceiling or a seat portion (backrest, headrest, armrest, dashboard for the front seat, backrest or headrest for the front seat) It is good. For example, the input terminal M1 is input to the front right seat (driver's seat), the input terminal M2 is input to the front left seat (passenger seat), and the input terminal M3 is input to the rear right seat. The input terminal of the input terminal M4 is arranged for the rear left seat. The figure shows a case where the microphone 15A is connected to the input terminal of the input terminal M3 corresponding to the rear right seat and the microphone 15B is connected to the input terminal of the input terminal M4.

  FIG. 3 is an explanatory diagram of a reservation queue display screen in the reservation management means of FIG. FIG. 3A shows a reservation queue formed by the reservation management means 27 in the memory area of the RAM 24. For example, the song title and the song code are sequentially associated with the singer's seat ID and stored. . Then, as shown in FIG. 3 (B), when there is a request for displaying the reservation status, for example, the song section, the song code, and the seat ID of the singer corresponding to the seat ID are displayed on the display unit 13 based on the reservation queue. The seat is displayed.

  FIG. 4 shows a flowchart of the output processing of the microphone audio signal in FIG. 4A, the seat discrimination voice switching means 32 detects the input terminals (here, M3 and M4 in FIG. 1) of all the microphones 15 (15A, 15B) connected from the microphone input terminal 14. Then, the corresponding seat ID (2A, 2B) is determined (step (S1)). Therefore, it is determined whether or not the karaoke music is being played, for example, by monitoring whether or not a music performance output signal is being output from the music music output unit 28 to the mixing amplifier 30 (S2). The seat ID (2A) of the singer is specified with reference to FIG.

  Subsequently, the seat ID corresponding to the microphone identification information (information on the input terminal) of the microphone 15 (15A, 15B) of the input audio signal is the seat ID of the singer who is performing the karaoke music piece in the reservation queue (see FIG. In the case of the singer's seat ID 2A in 3 (A) (S3), the output destination is switched to the mixing amplifier 30 and output as the singing voice signal (S4).

  On the other hand, when the seat ID corresponding to the microphone identification information (input terminal information) of the microphone 15 (15A, 15B) of the input audio signal is the seat ID (2B) other than the singer (S3), The audio signal is used as a music selection audio signal and the output destination is switched to the A / D converter 31 and output, and the seat ID (2B) is sent to the music selection processing means 36 (S5). Then, the A / D converter 31 sends the microphone sound data obtained by digitally converting the microphone sound signal to the music selection processing means 36 (S6).

  Therefore, in FIG. 4B, when the music selection processing means 36 acquires the seat ID from the seat discrimination voice switching means 32 and the voice data from the A / D conversion section 31, the voice recognition means 37 receives the voice data. The seat ID (2B) obtained by analyzing the text data, causing the music search means 27 to search the music DB 25 based on the text data, and acquiring the searched music name (music code) from the seat discrimination voice switching means 32. Are transmitted to the reservation management means 27 (S11). Then, as shown in FIG. 3 (A), the reservation management means 27 associates the seat ID (2B) with the music name and music code and registers them in the reservation queue for management (S12).

  As described above, when selecting music from the microphone 15 (15A, 15B), the music selector (singer) can be identified by the seat ID from the microphone identification information of the input terminal connected to the microphone input terminal 14, and the karaoke music performance is performed. Even in the middle, it is possible to improve the convenience by making it possible to select a music without outputting a sound signal for music selection from the speaker 16.

  Next, FIG. 5 shows a block diagram of a second embodiment of the in-vehicle karaoke system provided with the voice music selection function according to the present invention, and FIG. 6 shows an explanatory diagram of the in-vehicle arrangement of the in-vehicle karaoke system in FIG. . The in-vehicle karaoke system 11 having a sound selection function shown in FIG. 5 includes a microphone receiving unit 38 as a use microphone specifying means instead of the above-described microphone input terminal 14, and the microphone used is used as microphone specifying information. Wireless microphones 15A to 15D for transmitting microphone IDs (A to D) are respectively arranged corresponding to the seats. Other configurations are the same as those in FIG.

  That is, as shown in FIG. 6, four microphones 15A to 15B are prepared corresponding to the seat ID, and are dedicated to the seat on which the user is seated. Each of the microphones 15A to 15B has a microphone ID (AD) corresponding to the seat. It is transmitted when in use (for example, a microphone switch is turned on or off). For example, a predetermined identification signal corresponding to the frequency of the carrier wave transmitted from the microphones 15A to 15D can be recognized as the microphone ID. The microphone receiving unit 38 is an electronic circuit that receives a microphone ID from predetermined microphones 15 </ b> A to 15 </ b> D, receives an audio signal, and sends it to the seat determination audio switching unit 32. The microphone receiving unit 38 may directly send the microphone ID to the music selection processing unit 36.

  FIG. 7 shows a flowchart of the output processing of the microphone audio signal in FIG. Here, processing of the seat determination voice switching unit 32 and the A / D conversion unit 31 will be described as a case where the microphones 15C and 15D are used. In FIG. 7, when an audio signal superimposed on a carrier wave is input with the microphones 15 </ b> C and 15 </ b> D switched on, the seat discrimination audio switching unit 32 receives the microphone audio signal and the microphone as microphone identification information from the microphone receiver 38. The ID (C, D) is input, and the corresponding seat ID (2A, 2B) is determined from the microphone ID (S21).

  Therefore, it is determined that a karaoke piece is being played in response to voice input from a predetermined microphone 15 (15C, 15D) (S22), and if it is being played, a reservation queue (FIG. 3A) is displayed. The seat ID (2A) of the singer is specified with reference. When the seat ID corresponding to the microphone 15 (15C, 15D) of the input audio signal is the singer's seat ID (singer's seat ID 2A in FIG. 3A) during the performance of karaoke music in the reservation queue (S23), the output destination is switched to the mixing amplifier 30 and output as the singing voice signal (S24).

  On the other hand, when the seat ID corresponding to the specific information (input terminal) of the microphone 15 (15C, 15D) of the input audio signal is the seat ID (2B) other than the singer (S23), the audio signal And the output destination is switched to the A / D converter 31 and output, and the seat ID (2B) is sent to the music selection processing means 36 (S25). Then, the A / D converter 31 sends the microphone sound data obtained by digitally converting the microphone sound signal to the music selection processing means 36 (S26).

  As described above, even when the microphone used is wireless, the music selector (seat ID) can be specified from the microphone ID (C, D) when selecting music from the microphone 15 (15C, 15D). In addition, it is possible to improve convenience by making it possible to select a music without outputting a sound signal for music selection from the speaker 16 even during karaoke music performance.

  The in-vehicle karaoke system having the voice selection function according to the present invention can be used for a karaoke system installed in a car, a train, an airplane, or a ship of a private car or a commercial vehicle (truck, bus, etc.).

It is a block block diagram of 1st Embodiment of the vehicle-mounted karaoke system provided with the audio | voice music selection function which concerns on this invention. It is explanatory drawing of the vehicle interior arrangement | positioning of the vehicle-mounted karaoke system in FIG. It is explanatory drawing of the reservation queue display screen in the reservation management means of FIG. It is a flowchart of the output process of the microphone audio | voice signal of FIG. It is a block block diagram of 2nd Embodiment of the vehicle-mounted karaoke system provided with the audio | voice music selection function which concerns on this invention. It is explanatory drawing of the arrangement | positioning in a vehicle of the vehicle-mounted karaoke system in FIG. It is a flowchart of the output process of the microphone audio | voice signal of FIG.

DESCRIPTION OF SYMBOLS 11 Car-mounted karaoke system 12 Karaoke performance apparatus 13 Display part 14 Microphone input terminal 15,15N Microphone 27 Reservation management means 32 Seat discrimination voice switching means 36 Music selection processing means 37 Voice recognition means 38 Microphone receiving part 41 Passenger car

Claims (3)

An in-vehicle karaoke system equipped with a voice music selection function that allows a user to select music from a microphone,
A seat ID is associated with each seat, and the seat ID is associated with the selected music and is registered in the reservation queue.
It has a use microphone identification means, a seat discrimination voice switching means and a music selection processing means,
The used microphone specifying means sends microphone specifying information for specifying the microphone being used to the seat discrimination voice switching means,
The seat discrimination voice switching means discriminates a seat ID based on the microphone identification information, and a seat ID corresponding to the microphone identification information of an audio signal input from the microphone is a singing song during performance of karaoke music in the reservation queue. In the case of a person's seat ID, the voice signal is used as a singing voice signal, and in the case of a seat ID other than the singer, the output destination is switched using the voice signal as a music selection voice signal.
The music selection processing means selects the music based on the voice-recognized data based on the music selection audio signal, and registers the seat ID in association with the reservation queue.
An in-vehicle karaoke system equipped with a voice selection function.   2. The in-vehicle karaoke system having a voice selection function according to claim 1, wherein the seat discrimination voice switching means is based on the microphone identification information obtained by connecting a microphone to any one of microphone input terminals arranged in the vehicle. An in-vehicle karaoke system having a sound selection function, wherein the seat ID is determined.   2. The in-vehicle karaoke system having a voice selection function according to claim 1, wherein the seat discrimination voice switching means includes a microphone that transmits a microphone ID in the vehicle, and receives the transmitted microphone ID. An in-vehicle karaoke system having a sound selection function, wherein the seat ID is determined based on microphone identification information.

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