JP4144604B2 - Karaoke device and program - Google Patents

Description

  The present invention relates to a technique for changing the timbre type of a guide melody without delaying the timing of transmitting data indicating other signals such as a note-on signal in a karaoke apparatus.

  Conventionally, a karaoke apparatus having a function of performing karaoke performance based on performance data including a guide melody is known. Here, the guide melody refers to a melody part that is played to assist a person who wants to sing along with a karaoke performance when he or she remembers the main melody. This guide melody is created with various timbres for each musical piece, assuming that it is basically used in a karaoke box, which is the main installation location. Specific examples of the timbre type used for the guide melody include vibraphone, piano, flute, harmonica, and the like.

Some karaoke apparatuses as described above change the length and pitch of a note of a guide melody (see, for example, Patent Document 1). Some karaoke apparatuses as described above change the volume of the guide melody (see, for example, Patent Document 2).
Japanese Patent Laid-Open No. 2000-267652 (page 4, FIGS. 2, 3 and 6) JP-A-9-81166 (5th page, FIG. 1)

  However, in the karaoke apparatus as described above, the data for setting the acoustic effect corresponding to the data for changing the timbre type of the guide melody is originally played as shown in FIG. Since it is not included in the data, if these data are included and transmitted, as illustrated in FIG. 3B, for example, the timing for transmitting data indicating other signals such as a note-on signal may be delayed. is there.

  The present invention has been made in view of such a problem, and an object of the present invention is to provide a guide melody without delaying the timing of transmitting data indicating other signals such as a note-on signal in a karaoke apparatus. It is to provide a technique for changing the type of tone.

  The karaoke apparatus according to claim 1, which has been made to solve the above-described problem, is a buffer that is used when changing various sound effect settings corresponding to the tone type when changing the tone type of the guide melody. Detecting the area where other data can be inserted from the performance data temporarily stored in the memory, and inserting the changed data and the data for setting the sound effect corresponding to the changed data into the detected data insertable area " It is characterized by.

Specifically, the performance data storage means (16: In this column, in order to facilitate understanding of the invention, the reference numerals used in the “Best Mode for Carrying Out the Invention” column are attached as necessary. This code does not mean that the scope of claims is limited.) However, the performance data created in the MIDI data format is stored, including the guide melody in which the tone is designated, and the karaoke performance means ( 30) performs a karaoke performance based on the performance data acquired from the performance data storage means by the performance data acquisition means (12). In addition, the buffer (24g) can temporarily store the performance data acquired by the performance data acquisition means, and the change data acquisition means (24e) provides change data indicating that the tone type of the guide melody is changed. It can be acquired. Further, the setting information correspondence table storage means (24e) stores a setting information correspondence table in which the melody type of the guide melody is associated with “guide melody setting information” indicating the setting content related to the guide melody.

  When the change data is acquired by the change data acquisition means, the setting information specifying means (24e) sets the guide melody setting information corresponding to the tone type of the guide melody indicated by the change data to the setting information. The setting information correspondence table stored by the table storage means is specified with reference to the table. On the other hand, the data updating means (24e) detects the data insertable area from the performance data stored in the buffer, and changes the data and guide melody setting information specified by the setting information specifying means to the detected data insertable area. The performance data stored in the buffer is updated by inserting the setting data shown. Here, the “data insertable area” refers to an area into which change data and setting data indicating guide melody setting information can be inserted.

  Further, the performance data transfer means (24e) reads out the performance data stored in the buffer and transfers it to the karaoke performance means, and the karaoke performance means performs the karaoke performance based on the performance data transferred by the performance data transfer means.

  In the conventional karaoke apparatus, the guide melody setting information corresponding to the “change data” for changing the timbre type of the guide melody is originally included in the performance data as illustrated in FIG. Therefore, if these data are included and transmitted, as illustrated in FIG. 3B, for example, there is a possibility that the timing for transmitting data indicating other signals such as a note-on signal may be delayed. On the other hand, according to the present invention, as illustrated in FIG. 4, when changing the tone type of the guide melody, when changing various settings of the sound effect so as to correspond to the tone type, the buffer Detects a data insertable area from performance data temporarily stored, and inserts change data and setting data into the detected data insertable area, so that data indicating other signals such as a note-on signal is transmitted. The type of timbre of the guide melody can be changed without delaying the timing.

  The performance data is composed of a plurality of MIDI tracks, and at least one of the plurality of MIDI tracks is used as a guide melody track.

  Moreover, about the above-mentioned change data, (a) For example, the case where it inputs from the operation part (18) with which the said karaoke apparatus is equipped, remote control terminal (2), etc., or the case where it is contained in (b) performance data can be considered. In the case of (a), the change data acquisition means described above changes the tone type of the guide melody input from, for example, the operation unit (18) or the remote control terminal (2) provided in the karaoke device. Can be obtained as the above-mentioned changed data. In the case of (b), it is conceivable that the above-described change data acquisition means acquires change data from performance data temporarily stored in the buffer.

  Further, as described above, as a method of acquiring the change data from the performance data temporarily stored in the buffer, (c) all the performance data scheduled to perform karaoke performance is acquired from the performance data storage means and temporarily stored in the buffer. A method for detecting change data from the performance data stored in the buffer, and (d) a method for detecting the change data from the performance data stored in the buffer during acquisition of the performance data scheduled to perform karaoke performance Can be considered.

Among these, for the above-mentioned (c), as described in claim 2, the change data acquisition means stores the performance data in the buffer after the performance data is acquired from the performance data storage means by the performance data acquisition means. It is conceivable to obtain the change data by detecting the change data from the stored performance data.

  In this way, compared with the above-mentioned case (d), the activation frequency of the above-mentioned change data detection process can be reduced, and the processing load of the change data acquisition means can be reduced. Further, if the above-described processing is executed for a reserved song, the above-described processing can be performed during the performance of a performance song reserved before the reserved song. However, since all performance data scheduled to perform karaoke performance is temporarily stored in the buffer, it is necessary to increase the capacity of the buffer storage area as compared with the above case (d).

  For (d) above, more specifically, a method of executing the change data detection process every time a predetermined time elapses can be considered. That is, as in claim 3, it is conceivable that the change data acquisition means acquires the change data by detecting the change data from the performance data stored in the buffer during a predetermined time.

  In this way, the capacity of the buffer storage area can be reduced. However, the execution frequency of the above-described change data detection process increases, and the processing load of the change data acquisition unit increases.

  Further, as a technique for detecting the above-mentioned “data insertable area”, there is a technique for detecting an area between a note-off signal and a note-on signal of a guide melody as a data insertable area. However, in such a data insertable area detecting method, for example, when a chord is included in the guide melody and a plurality of note-on signals are simultaneously effective, one of the note-off signals of the sounds constituting the chord is used. Even if one is detected, the note-on signal of other sounds constituting the chord is kept valid. Here, when change data and setting data are inserted into the data insertable area detected by the method as described above, the effective note-on signal tone and sound settings are changed by the inserted change data and setting data. Is done. As a result, the tone color and sound settings of the chord of the guide melody are changed during performance, which may give a sense of incongruity.

Therefore, it is conceivable that the data updating means detects an area in the performance data where no effective note-on signal of the guide melody exists as a data insertable area.
In this way, since the tone color and sound settings are changed after the note-on signal of all the sounds constituting the chord of the guide melody is invalidated, for example, even if the guide melody contains a chord, It is possible to prevent a chord tone and sound settings from being changed during performance and giving a sense of incongruity.

  By the way, when change data and setting data are inserted in the performance data data insertable area as described above, transfer of note-on signals included in all tracks including the track for the guide melody constituting the performance data is transferred. Timing may be delayed. In such a case, during the karaoke performance by the karaoke performance means based on the performance data, the rise of the sound corresponding to the note-on signal is delayed, which may affect the sound quality.

Therefore, it is conceivable to detect other data insertable areas and insert a part of the change data and setting data. Specifically, as in claim 1 , when the data update means inserts the change data and the setting data into the data insertable area, the transfer timing of the note-on signal included in the performance data is delayed. It is determined whether or not a note-on signal exists. If there is a note-on signal whose transfer timing is delayed, the data updating means detects other data insertable areas other than the data insertable area from the performance data. Further, the data updating means updates the performance data stored in the buffer by inserting a part of the change data and setting data into the detected other data insertable area.

  In this way, if another data insertable area is detected and a part of the change data and setting data is inserted, the notes included in the performance data at the time of insertion of the change data or the like to the data insertable area as described above The delay of the ON signal transfer timing can be prevented, and the influence on the sound quality of the karaoke performance due to the delay of the note ON signal transfer timing can be suppressed as much as possible.

  Further, when the change data and the setting data are inserted into the performance data data insertable area as described above, when the transfer timing of the note-on signal included in the performance data is delayed, the delayed note-on signal and the transfer timing are delayed. There may be note-on signals that overlap. In such a case, if the transfer timing of any one of these note-on signals is delayed, during the karaoke performance by the karaoke performance means based on the performance data, the rise of the sound corresponding to the delayed note-on signal is delayed and the sound quality is improved. Impact may occur.

  Therefore, when the transfer timing of the note-on signal is delayed, and there is a Norton-on signal whose transfer timing overlaps with the delayed note-on signal, priority is given to the one that has the greatest effect of the transfer timing delay. It is possible to do.

Specifically, as in claim 5 , the performance data transfer means transfers the performance data to the karaoke performance means in a serial transfer format, and the influence degree correspondence table storage means (24e) includes the tone type and influence degree information. Is stored. Here, the influence degree information refers to information indicating the influence degree on the rise of the sound when the transfer timing of the note-on signal is delayed. When the change data and setting data are inserted into the data insertable area, if there is a delayed note-on signal whose transfer timing is delayed among the note-on signals included in the performance data, the data updating means It is determined whether or not there is a duplicate note-on signal whose signal and its transfer timing overlap. When there is a duplicate note-on signal, the data updating means refers to the influence degree correspondence table stored in the influence degree correspondence table storage means, the influence degree information corresponding to the delayed note-on signal, and the duplicate note-on signal. Identify impact information corresponding to. Further, the data update means transmits either the delayed note-on signal or the duplicate note-on signal based on the influence information corresponding to the identified delayed note-on signal and the influence information corresponding to the duplicate note-on signal. Whether the influence of the karaoke performance means on the rise of the karaoke performance sound due to the delay in the transfer timing of the note-on signal in the format is determined is determined. Then, the data updating means preferentially inserts one note-on signal having the specified degree of influence into the serial transfer format data insertable area, and sends the other note-on signal not having the specified degree of influence to it. The performance data stored in the buffer is updated by inserting the data into the serial transfer format area having a delayed serial transfer timing. The performance data transfer means serially transfers one note-on signal having the specified influence level to the karaoke performance means without delaying the transfer timing of the other note-on signal not having the specified influence degree.

  In this way, if priority is given to the delay note-on signal and the overlap note-on signal that have a greater influence on the sound quality due to the delay, the karaoke caused by the delay in the transfer timing of the note-on signal is inserted. The influence on the sound quality of the performance can be suppressed as much as possible.

In addition, as shown in Claim 6 , the setting information specific | specification means and data update means in the karaoke apparatus in any one of Claims 1-5 are realizable as a program which functions a computer. Therefore, the present invention can be realized as a program invention. In the case of such a program, for example, the program is recorded on a computer-readable recording medium such as an FD, MO, DVD-ROM, CD-ROM, or hard disk, and is used by being loaded into a computer and started up as necessary. be able to. In addition, the ROM or backup RAM may be recorded as a computer-readable recording medium, and the ROM or backup RAM may be incorporated into the computer for use.

Embodiments of the present invention will be described below with reference to the drawings.
[First embodiment]
FIG. 1 is a block diagram showing the overall configuration of the karaoke system. FIG. 2 is a block diagram showing the configuration of the voice control unit of the karaoke system. FIGS. 3A and 3B are explanatory diagrams showing the tracks and MIDI data strings constituting the MIDI data. FIG. 3A shows a normal performance time, and FIG. 3B shows a guide melody change time (simple replacement). FIG. 4 is an explanatory view showing each track and MIDI data string constituting the MIDI data, and shows the time when the guide melody is changed (delay elimination method 1).

As shown in FIG. 1, the karaoke system is configured such that the karaoke apparatus 1 and the remote control terminal 2 are capable of data communication.
[Description of configuration of karaoke apparatus 1]
The karaoke device 1 stores a control unit 12 that controls the operation of the karaoke device 1 as a whole, an interface unit 14 for connecting the karaoke device 1 to the network 100, accompaniment contents of performance music and music data or video data indicating lyrics. A hard disk (HDD) 16, an operation unit 18 composed of a plurality of keys and switches, an infrared communication unit 20 for receiving an infrared signal from the remote control terminal 2 in accordance with an infrared communication standard (IrDA), and a signal from the operation unit 18 An operation processing unit 22 that generates audio signals (signals related to sound and voice) of musical composition from music data stored in the hard disk 16, amplifies the generated audio signal and audio signal input from the microphone 26, and a speaker The voice control unit 24 and the control unit 12 output to A MIDI sound source 30 that performs karaoke performance based on music data (performance data) acquired from the DD 16, a video RAM 32 that temporarily stores video information, a video playback unit 34 that controls playback of video based on video data, and a video RAM 32 A video control unit 38 for controlling display of the stored video information and a video reproduced by the video reproduction unit 34 on the display unit 36 is provided. The control unit 12 and the audio control unit 24 are connected by a USB 40. In addition, the control unit 12 executes each process of an input reception process and a main process which will be described later.

The control unit 12 corresponds to performance data acquisition means. The HDD 16 corresponds to performance data storage means. The MIDI sound source 30 corresponds to karaoke performance means.
[Description of Configuration of Voice Control Unit 24]
As shown in FIG. 2, the voice control unit 24 included in the karaoke apparatus 1 includes an I / F 24b, a ROM 24c, a RAM 24d, a CPU 24e, and an I / F 24f. The I / F 24b, the ROM 24c, the RAM 24d, the CPU 24e, and the I / F 24f are connected to each other by a bus 24a. The I / F 24b is connected to the control unit 12 via the USB 40. The I / F 24f is connected to the MIDI sound source 30.

  The MIDI data transfer speed in the present embodiment is set to about 1 msec by the MIDI standard for the VOL setting, and is set to about 3 msec by the specification of the MIDI sound source 30 for the VIB setting.

  The RAM 24d temporarily stores performance data acquired from the HDD 16 by the control unit 12, and temporarily stores work data 24g for performing editing work and performance data edited in the work area 24g. In addition, a buffer area 24h for sequentially reading performance data by “serial transmission interrupt” and a note-on signal area 24i capable of storing a valid Norton-on signal are provided. The performance data is composed of a plurality of MIDI tracks a to n (see FIG. 3), and at least one of the plurality of MIDI tracks a to n is used as a guide melody track.

Note that the number of valid Norton on signals that can be stored in the note on signal area 24 i at the same time is set to 64 corresponding to the number of simultaneous sounds in the MIDI sound source 30.
The CPU 24e stores an effect output table (see FIG. 13). This effect output table corresponds to the guide melody tone type (VOL setting MIDI command, VIB setting MIDI command, etc.) and guide melody setting information (VOL setting MIDI command, VIB setting MIDI command, etc.) indicating the setting contents related to the guide melody. This is a table in which step values are associated with each other. The effect output table corresponds to the “setting information correspondence table” in the claims.

  Further, the CPU 24e stores a timbre rise table (see FIG. 18C). The timbre rise table is a table in which timbre types are associated with influence information. The influence level information is information indicating the degree of influence on the rise of the sound when the transfer timing of the note-on signal is delayed. Note that the timbre rise table corresponds to an “influence degree correspondence table” in the claims.

  Further, the CPU 24e has a function of acquiring all performance data scheduled to perform karaoke performance from the HDD 16 by the control unit 12, temporarily storing it in the work area 24g, and detecting change data from the performance data stored in the work area 24g. Have

  Further, the CPU 24e has the following functions by executing main processing, performance processing, transmission target track output processing, and note-off check / effect table set processing, which will be described later. That is, when the change data is acquired, the CPU 24e specifies the guide melody setting information corresponding to the tone type of the guide melody indicated by the change data with reference to the effect output table. Furthermore, the CPU 24e detects a “data insertable area” from the performance data stored in the work area 24g, and inserts “setting data” indicating change data and guide melody setting information into the detected data insertable area. Thus, the performance data stored in the work area 24g is updated. Here, the “data insertable area” refers to an area in which change data and setting data indicating guide melody setting information can be inserted in the performance data (see FIG. 4). Further, the CPU 24e reads the performance data stored in the work area 24g, temporarily stores the read performance data in the buffer area 24h, and sequentially reads the performance data from the buffer area 24h by “serial transmission interrupt”. To the MIDI sound source 30 via the I / F 24f. When the performance data is transferred to the MIDI sound source 30 by the CPU 24e of the voice control unit 24, the MIDI sound source 30 performs a karaoke performance based on the performance data.

  The work area 24g corresponds to a buffer. The CPU 24e of the voice control unit 24 corresponds to a setting information correspondence table storage unit, a change data acquisition unit, a setting information identification unit, a data update unit, and a data transfer unit.

[Description of configuration of remote control terminal 2]
The remote control terminal 2 includes a control unit 52 that controls the operation of the entire remote control terminal 2, an infrared communication unit 54 that transmits an infrared signal to the karaoke apparatus 1 in accordance with an infrared communication standard (IrDA), a memory 56 that stores various information, and a display unit 58. An operation unit 60 composed of a touch panel and a plurality of key switches installed along the display area, an operation processing unit 62 for processing signals from the operation unit 60, a video RAM 64 for temporarily storing video information, and a video RAM 64 A wireless LAN standard (for example, IEEE802.11a / b / g standard, HomeRF) between the video control unit 66 that controls the display of the stored video information on the display unit 58 and the wireless access point 110 connected to the network 100. Wireless LAN communication unit 6 for performing wireless communication in accordance with a standard, a Bluetooth standard, etc. , And a like.

[Input Acceptance Processing of Control Unit 12 of Karaoke Apparatus 1]
Below, the process sequence of the input reception process performed by the control part 12 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. This input reception process is repeatedly executed while the karaoke apparatus 1 is activated.

First, in step S110, a music selection table for storing music selection information of karaoke performances reserved by the user is initialized (see FIG. 13B).
In subsequent S120, it is determined whether or not the user has input music selection information via the operation unit 18. If there is no input of music selection information via the operation unit 18 (S120: No), this step S120 is repeatedly executed to wait until the user inputs music selection information via the operation unit 18. . On the other hand, when the music selection information is input via the operation unit 18 (S120: Yes), the process proceeds to S130.

  In S130, it is determined whether or not the stored contents of the music selection table are full. If the stored content of the music selection table is full (S130: Yes), new music selection information cannot be stored until there is an empty space in the storage content of the music selection table due to the end of the performance. It returns and repeatedly performs the processing after S120. On the other hand, when it is determined that the stored contents of the music selection table are full (S130: No), the process proceeds to S140.

In S140, the music selection information input via the operation unit 18 in S120 is registered in the music selection table. Then, the process proceeds to S120.
[Main processing of control unit 12 of karaoke apparatus 1]
Below, the process sequence of the main process performed by the control part 12 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. This main process is repeatedly executed while the karaoke apparatus 1 is activated. Further, the main process and the above-described input reception process are asynchronously executed in parallel by the multitask process in the control unit 12.

First, in step S210, various initialization processes are executed. For example, the operation unit 18 may wait for input.
In the subsequent S220, BGM data for playing as BGM when waiting for music selection is read from the HDD 16 and transmitted to the audio control unit 24 via the USB 40.

In subsequent S230, an instruction to reproduce the BGM data transmitted to the voice control unit 24 in previous S220 is sent to the voice control unit 24.
In subsequent S240, it is determined whether or not music selection information has been input to the music selection table in S140 of the above-described input reception process. When the music selection information is input to the music selection table (S240: Yes), the process proceeds to S260 described later. On the other hand, when the music selection information is not input to the music selection table (S240: No), the process proceeds to S250.

  In S250, it is determined whether or not the performance of the BGM data by the voice control unit 24 is finished. If the performance of the BGM data by the voice control unit 24 has not ended (S250: No), the process returns to S240. On the other hand, if the performance of the BGM data by the voice control unit 24 has been completed (S250: Yes), the process proceeds to S220 in order to send the next BGM data to the voice control unit 24 for performance while waiting for music selection. To do.

  Now, in S260, where the process proceeds to the case where the music selection information is input to the music selection table in the previous S240, the performance of the BGM data is stopped in order to perform the music based on the music selection information input to the music selection table. Is transmitted to the voice control unit 24.

  In subsequent S270, it is determined whether or not the leading portion in the storage area of the music selection table is empty. If the head portion in the storage area of the music selection table is empty (S270: Yes), it is determined that the music selection is awaited, and the process proceeds to S220 to play the BGM data during that time. On the other hand, when the head portion in the storage area of the music selection table is not empty and music selection information is registered (S270: No), the process proceeds to S280.

  In S280, it is determined whether or not the music selection information registered in the head portion of the music selection table storage area is a music number. When the music selection information registered at the head part in the storage area of the music selection table is not the music number (S280: No), the process proceeds to S270. On the other hand, when it is determined that the music selection information registered at the head portion in the storage area of the music selection table is a music number (S280: Yes), the process proceeds to S290.

In S290, the performance data corresponding to the music number, which is the music selection information registered in the head portion of the music selection table storage area, is read from the HDD 16 and transmitted to the audio control unit 24.
In subsequent S300, it is determined whether or not to change the setting of the guide melody. Note that an instruction to change the setting of the guide melody is input via the operation unit 18, a remote control terminal, an external host computer, or the like. If it is determined not to change the setting of the guide melody (S300: No), the process proceeds to S320 without processing S310. On the other hand, if it is determined that the setting of the guide melody is to be changed (S300: Yes), a message to change the guide melody is transmitted to the voice control unit 24, and the process proceeds to S320.

In S320, in order to start performance of the performance data transmitted to the voice control unit 24 in the previous S290, an instruction to that effect is transmitted to the voice control unit 24.
In the subsequent S330, the first portion in the storage area of the music selection table is initialized and the other stored contents are sequentially advanced as an empty state.

  In subsequent S340, it is determined whether or not the performance of the performance data by the audio control unit 24 has been completed. If the performance of the performance data by the voice control unit 24 has not been completed (S340: No), the process waits until the performance of the performance data is completed by repeatedly executing this S340. On the other hand, if the performance of the performance data by the audio control unit 24 has been completed (S340: Yes), the process proceeds to S270 to transmit the next performance data to the audio control unit 24 for performance.

[Main process of voice control unit 24 of karaoke apparatus 1]
Below, the process sequence of the main process performed by the audio | voice control part 24 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG.

This main process is repeatedly executed while the karaoke apparatus 1 is activated.
First, in step S610, it is determined whether or not performance data is transmitted from the control unit 12. When it is determined that the performance data is transmitted from the control unit 12 (S610: Yes), the performance data is received. Then, the performance data in MIDI format (see FIG. 3A) composed of a plurality of tracks is converted into a MIDI transfer byte string (see FIG. 4) and stored in the work area 24g of the RAM 24d.

On the other hand, when it is determined that the performance data is not transmitted from the control unit 12 (S610: No), the process proceeds to S620.
In S620, it is determined whether an instruction to change the guide melody is transmitted from the control unit 12. When it is determined that an instruction to change the guide melody is transmitted from the control unit 12 (S620: Yes), the instruction is received and stored in the work area 24g of the RAM 24d. On the other hand, when it is determined that the instruction to change the guide melody has not been transmitted from the control unit 12 (S620: No), the process proceeds to S630.

  In S630, it is determined whether or not an instruction to start playing the performance data is transmitted from the control unit 12. When it is determined that an instruction to start performance data is not transmitted from the control unit 12 (S630: No), the process proceeds to S610. On the other hand, if it is determined that an instruction to start playing the performance data is transmitted from the control unit 12 (S630: Yes), the process proceeds to S640.

  In S640, it is determined whether reception of performance data has been completed. If it is determined that reception of performance data has not been completed (S640: No), the process proceeds to S610. On the other hand, when it is determined that the reception of the performance data has been completed (S640: Yes), performance processing described later is executed (S650). Then, when the performance process is completed, information indicating that is sent to the control unit 12, and the instruction to change the guide melody stored in the work area 24g of the RAM 24d is deleted in the previous S625. And it transfers to S610 and performs the following steps repeatedly.

[Performance processing of the voice control unit 24 of the karaoke apparatus 1]
Below, the process procedure of the performance process performed by the audio | voice control part 24 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. 9, FIG. 3, and FIG. FIG. 3 is an explanatory diagram showing each track and MIDI data string constituting the MIDI data. (A) shows the normal performance, and (b) shows the time when the guide melody is changed (when the simple replacement is performed). FIG. 4 is an explanatory view showing each track and MIDI data string constituting the MIDI data, and shows the time when the guide melody is changed (delay elimination method 1). This performance process is executed when the process proceeds to S650 in the main process of the audio control unit 24.

First, in step S710, the time per step is calculated from the tempo value.
In the subsequent S715, the “pre-performance batch development process” is executed. Here, the “pre-performance batch development process” refers to the setting of the guide melody to the stored performance data according to an instruction to temporarily store all performance data scheduled to be played in the work area 24g of the RAM 24d and to change the setting of the guide melody. It is a process of updating by inserting various data to change. The pre-performance batch development process will be described later.

In the subsequent S720, initialization processing is performed for performance parameters such as sound source settings and volume values.
In subsequent S725, the current step value is set to a numerical value “0”, output data is determined from the effect output table (S730), and the determined data is output (S740).

In subsequent S745, the transmission target track is set to the next track.
In subsequent S750, it is determined whether or not all the tracks are the transmission target tracks. If it is determined that not all tracks are the transmission target tracks (S750: No), the process proceeds to S740 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks are transmission target tracks (S750: Yes), the process proceeds to S755.

In S755, the numerical value “1” is added to the current step value.
In S760, the process waits for one step. Then, the process proceeds to S765.
In S765, it is determined whether or not an instruction to stop the performance data is transmitted from the control unit 12. If it is determined that an instruction to stop playing the performance data is transmitted from the control unit 12 (S765: Yes), this process ends. On the other hand, if it is determined that the instruction to stop the performance data is not transmitted from the control unit 12 (S765: No), the process proceeds to S770.

  In S770, it is determined whether all tracks have reached the end of each track. If it is determined that all tracks have not reached the end of each track (S770: No), the process proceeds to S730 and the following processing is repeatedly executed. On the other hand, if it is determined that the end of each track has been reached for all tracks (S770: Yes), this process is terminated.

[Bulk unfolding process before performance of voice control unit 24 of karaoke apparatus 1]
Below, the process sequence of the pre-performance batch expansion process performed by the audio | voice control part 24 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. As described above, the pre-performance batch development process temporarily stores all performance data scheduled to be played in the work area 24g of the RAM 24d, and then changes the guide melody to the stored performance data according to an instruction to change the setting of the guide melody. In the performance process of the voice control unit 24 described above, the process is updated when the process proceeds to S715.

First, in S1705, the head address of each track is stored in a “pointer variable (current reading position)” for each track. The above tempo value is a numerical value represented by BPM (Beat Per Minute). In addition, the above pointer variables are the same for all tracks.
This is a variable for setting the head address of each track as the read position for each track.

  In subsequent S1710, the current step value is set to zero, the transmission target track is set to the first track (S1715), and output processing of the transmission target track is executed (S1720). The “transmission target track output process” will be described later.

In subsequent S1725, the transmission target track is set to the next track.
In the subsequent S1730, it is determined whether or not all the tracks are the transmission target tracks. If it is determined that all the tracks are not the transmission target tracks (S1730: No), the process proceeds to S1720 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks are transmission target tracks (S1730: Yes), the process proceeds to S1735.

  In S1735, it is determined whether or not there is data having the same value as the current step value with reference to the effect output table (see FIG. 13A). If there is data having the same value as the current step value (S1735: Yes), the data is read out and stored in the work area 24g of the RAM 24d (S1740), and the process proceeds to S1745. On the other hand, if there is no data having the same value as the current step value (S1735: No), the process proceeds to S1745 as it is.

In S1745, the numerical value “1” is added to the current step value.
In subsequent S1750, the system waits for one step.
In subsequent S 1755, it is determined whether or not an instruction to stop the performance data is transmitted from the control unit 12. If it is determined that an instruction to stop playing the performance data is transmitted from the control unit 12 (S1755: Yes), this process ends. On the other hand, when it is determined that the instruction to stop the performance data is not transmitted from the control unit 12 (S1755: No), the process proceeds to S1760.

  In S1760, it is determined whether all tracks have reached the end of each track. If it is determined that all tracks have not reached the end of each track (S1760: No), the process proceeds to S1715 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks have reached the end of each track (S1760: Yes), this process is terminated.

[Transmission target track output processing of voice control unit 24 of karaoke apparatus 1]
Below, the process sequence of the transmission target track output process performed by the audio | voice control part 24 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. The transmission target track output process is executed when the process proceeds to S1720 in the pre-performance batch development process of the audio control unit 24 described above.

  First, in step S805, it is determined whether or not the performance has reached the end of the track in the transmission target track. If it is determined that the performance has reached the end of the track (S805: Yes), this process is terminated. On the other hand, if it is determined that the performance has not reached the end of the track (S805: No), the process proceeds to S810.

In S810, the numerical value “1” is subtracted from the delta time of the current reading position data (current position data).
In subsequent S815, it is determined whether or not the delta time of the current position data is a numerical value “0”. When it is determined that the delta time of the current position data is not the numerical value “0” (S815: No), this process is terminated. On the other hand, if it is determined that the delta time of the current position data is a numerical value “0” (S815: Yes), the process proceeds to S820.

  In S820, it is determined whether or not the attribute of the track is a guide melody. If it is determined that the attribute of the track is not a guide melody (S820: No), the data of the current reading position is stored in the work area 24g of the RAM 24d (S825), and the process proceeds to S885 described later. On the other hand, if it is determined that the attribute of the track is a guide melody (S820: Yes), the process proceeds to S830.

In S830, a “timbre prefetching process” for examining the transition of the timbre in the track is executed.
In subsequent S835, it is determined whether or not the timbre in the track is a vibraphone. If it is determined that the tone color of the track is not a vibraphone (S835: No), the process proceeds to S825. On the other hand, if it is determined that the tone color of the track is vibraphone (S835: Yes), the process proceeds to S840.

  In S840, it is determined whether or not the read data is data indicating a note-on signal. If it is determined that the read data is data indicating a note-on signal (S840: Yes), the corresponding note-on signal is added to the note-on table stored in the note-on signal area 24i of the RAM 24d (S845). The process proceeds to S825. On the other hand, if it is determined that the read data is not data indicating a note-on signal (S840: No), the process proceeds to S850. Note that the note-on table refers to a table that records the note-on signal of the currently effective guide melody, and is stored in the note-on signal area 24i of the RAM 24d.

  In S850, it is determined whether or not the read data is data indicating either the timbre MAP or the timbre BANK. If it is determined that the read data is data indicating either the timbre MAP or the timbre BANK (S850: Yes), the parameter of the data at the current position is replaced with the specified value and is stored in the work area 24g of the RAM 24d. Store (S855), and go to S885 described later. On the other hand, if it is determined that the read data is not data indicating either the tone color MAP or the tone color BANK (S850: No), the process proceeds to S860.

  In S860, it is determined whether or not the read data is data relating to tone color settings. If it is determined that the read data is not data related to timbre settings (S860: No), the process proceeds to S870 described later. On the other hand, if it is determined that the read data is data related to tone color setting (S860: Yes), the process proceeds to S861.

In S861, the parameter of the data at the current position is replaced with a specified value and stored in the work area 24g of the RAM 24d.
In subsequent 862, it is determined whether or not the previously replaced volume setting value has been output. When it is determined that the previously replaced volume setting value has been output (S862: Yes), the process proceeds to S864 described later. On the other hand, if it is determined that the previously replaced volume setting value is not output (S862: No), the volume setting value is newly set to a specified value and stored in the work area 24g of the RAM 24d (S863). The process proceeds to S864.

  In S864, it is determined whether or not the previously replaced vibrato set value has been output. When it is determined that the previously replaced vibrato set value has been output (S864: Yes), the process proceeds to S885 described later. On the other hand, if it is determined that the previously replaced vibrato set value has not been output (S864: No), the vibrato set value is newly set to the specified value and stored in the work area 24g of the RAM 24d (S865). The fact that the timbre has been changed is stored in a built-in RAM or the like (S866), and the process proceeds to S885 described later.

  In S870, it is determined whether the read data is one of a volume setting value and a vibrato setting value. If it is determined that the read data is not one of the volume setting value and the vibrato setting value (S870: No), it is determined whether the read data is data indicating a note-off signal (S876). . If it is determined that the read data is data indicating a note-off signal (S876: Yes), a note-off check / effect table set process described later is executed (S878), and the process proceeds to S880 described later. Then, the current data is stored as it is in the work area 24g of the RAM 24d (S880), and the process proceeds to S885 described later. On the other hand, if it is determined that the read data is not data indicating a note-off signal (S876: No), the process proceeds to S880 without executing the note-off check / effect table setting process described later, and the current data Is stored in the work area 24g of the RAM 24d as it is. And it transfers to S885 mentioned later.

  When it is determined in S870 that the read data is either the volume setting value or the vibrato setting value (S870: Yes), the parameter of the data at the current position is replaced with the specified value. Is stored in the work area 24g of the RAM 24d (S855), and the fact that the corresponding setting has been replaced is stored in the work area 24g of the RAM 24d (S874). Then, control goes to S885.

In S885, the data reading position is advanced by one step. Then, the process proceeds to S815 and the following processing is repeatedly executed.
[Note Off Check / Effect Table Set Processing of Voice Control Unit 24 of Karaoke Apparatus 1]
Hereinafter, the processing procedure of the note-off check / effect table setting process executed by the voice control unit 24 of the karaoke apparatus 1 will be described with reference to the flowchart of FIG. The note-off check / effect table setting process is executed when the process proceeds to S878 in the transmission target track output process executed by the audio control unit 24.

  First, in step S1802, it is determined whether or not the same signal as the note-on signal of the corresponding track exists in the note-on signal table stored in the note-on signal area 24i of the RAM 24d. If the same signal as the note-on signal of the corresponding track exists in the note-on signal table (S1802: Yes), this process is terminated as it is. On the other hand, if the same signal as the note-on signal of the track does not exist in the note-on signal table (S1802: No), the process proceeds to S1804.

In S1804, the current track is searched until the next note-on signal is detected.
In the subsequent S1806, it is determined whether or not the tone color of the vibraphone has changed in the corresponding track until the note-on signal is detected in the previous S1804. If there is no change in tone color to the vibraphone in the corresponding track (S1806: No), this processing is terminated as it is. On the other hand, when the tone color of the vibraphone is changed in the corresponding track (S1802: Yes), the process proceeds to S1808.

In step S1808, the current step value is set as the virtual step value.
In subsequent S1810, all step value areas of the effect output table (see FIG. 13A) are initialized to an unset state.

In the subsequent S1812, the numerical value “1” is added to the virtual step value.
In subsequent S1814, it is determined whether or not a note-on signal appears in the track of the guide melody. If a note-on signal does not appear on the track of the guide melody (S1814: No), it is determined whether there is no MIDI command processing in all tracks (S1816). If MIDI command processing exists in all tracks (S1816: No), the process returns to S1812, and the processing from S1812 onward is repeatedly executed. If MIDI command processing does not exist in all tracks (S1816: Yes). Then, a virtual step value is set for the unset data at the top of the effect output table (S1818), the process returns to S1812, and the processes from S1812 onward are repeatedly executed.

  On the other hand, if a note-on signal appears in the track of the guide melody (S1814: Yes), it is determined whether or not step values are set for all data in the effect output table (S1820). When step values are set for all data in the effect output table (S1820: Yes), this process is terminated as it is, and when step values are not set for all data in the effect output table (S1820). : No), the process proceeds to S1822.

In S1822, the current step value is set as the virtual step value.
In subsequent S1824, all step value areas of the effect output table are initialized to an unset state.

In subsequent S1826, the numerical value “1” is added to the virtual step value.
In the subsequent S1828, it is determined whether or not a note-on signal appears on the track of the guide melody. If the note-on signal does not appear in the guide melody track (S1828: No), it is determined whether there is no MIDI command processing in all tracks other than the delayed tone color track (S1830). If MIDI command processing exists in all tracks other than the delayed tone color track (S1830: No), the process returns to S1826 and the processing from S1826 onward is repeatedly executed, and MIDI command processing is performed in all tracks other than the delayed tone color track. If it does not exist (S1830: Yes), the MIDI command of the delay tone track is delayed by one step (S1832), and then a virtual step value is set to the upper unset data in the effect output table (S1834), and S1826 is set. Returning to step S1826 and subsequent steps are repeated.

  On the other hand, if a note-on signal appears in the track of the guide melody (S1828: Yes), it is determined whether or not step values have been set for all data in the effect output table (S1836). If step values are set for all the data in the effect output table (S1836: Yes), this process is terminated as it is, and if step values are not set for all the data in the effect output table (S1836). : No), in order from the unset data at the top of the effect output table, a value obtained by adding a numerical value “1” to the step value of the immediately preceding data is set (S1838). Then, this process ends.

[effect]
(1) Thus, according to the karaoke apparatus 1 of 1st embodiment, there exist the following effects. That is, in the conventional karaoke apparatus, the guide melody setting information corresponding to the “change data” for changing the tone type of the guide melody is not originally included in the performance data (see FIG. 3A). ) If the voice control unit 24 includes these data and transmits MIDI data to the MIDI sound source 30, there is a possibility that the timing for transmitting data indicating other signals such as a note-on signal may be delayed (FIG. 3 ( b)). On the other hand, according to the karaoke apparatus 1 of the present embodiment, the CPU 24e executes each process of the main process, the performance process, the transmission target track output process, and the note-off check / effect table set process, so that the guide melody When various sound effect settings are changed so as to correspond to the tone type when the tone type is changed, “data can be inserted” from the performance data temporarily stored in the work area 24g of the voice control unit 24. Since the change data and the setting data are inserted into the detected data insertion possible area (see FIG. 4), for example, without delaying the timing of transmitting data indicating other signals such as a note-on signal. The melody type of the guide melody can be changed.

  (2) Further, according to the karaoke apparatus 1 of the first embodiment, the CPU 24e executes “pre-performance batch development processing” which is a subroutine of “performance processing”, so that all performance data scheduled to perform karaoke performances. Is obtained from the HDD 16 by the control unit 12 and temporarily stored in the work area 24g, and change data is detected from the performance data stored in the work area 24g. As a result, the frequency of activation of the change data detection process described above can be reduced, and the processing load on the change data acquisition process in the CPU 24e can be reduced. Further, if the above-described processing is executed for a reserved song, the above-described processing can be performed during the performance of a performance song reserved before the reserved song. However, in order to temporarily store all performance data scheduled to perform karaoke performance in the work area 24g, it is necessary to increase the capacity of the storage area of the work area 24g.

  (3) Also, according to the karaoke apparatus 1 of the first embodiment, the CPU 24e executes “note-off check / effect table set processing” which is a subroutine of “performance processing”, so that the guide melody in the performance data. An area where no valid note-on signal exists is detected as a “data insertable area”. As a result, the tone and sound settings are changed after the note-on signal of all the sounds that make up the chord of the guide melody is invalidated, so even if the chord is included in the guide melody, for example, It is possible to prevent the timbre and sound settings from being changed during performance to give a sense of incongruity.

(4) Also, according to the karaoke apparatus 1 of the first embodiment, the CPU 24e executes “note off check / effect table set processing” which is a subroutine of “performance processing”, thereby changing to the data insertable area. If there is a note-on signal whose transfer timing is delayed among the note-on signals included in the performance data when the data and setting data are inserted, other data insertable areas other than the data insertable area are recorded from the performance data. The performance data stored in the work area 24g is updated by detecting and inserting a part of the change data and setting data into the detected other data insertable area. In this way, if other data insertable areas are detected and part of the change data and setting data is inserted, note-on included in the performance data at the time of insertion of the change data into the data insertable area as described above The delay in signal transfer timing can be prevented, and the influence on the sound quality of the karaoke performance caused by the delay in the transfer timing of the note-on signal can be suppressed as much as possible.
[Second Embodiment]
In the first embodiment, the CPU 24e executes the “pre-performance batch development process”, which is a subroutine for performance processing, to acquire all performance data scheduled to perform karaoke performance from the HDD 16 and to the work area 24g of the RAM 24d. The change data is detected from the performance data stored temporarily and stored in the work area 24g. On the other hand, in the second embodiment, the CPU 24e replaces the “pre-performance batch development processing” with “ By executing “sequential batch processing” (see FIG. 14), while the performance data scheduled to perform karaoke performance is acquired from the HDD 16 and temporarily stored in the work area 24g of the RAM 24d, the work area 24g Change data is detected from the performance data stored.

[Sequential batch processing during performance of the voice control unit 24 of the karaoke apparatus 1]
Hereinafter, the processing procedure of the sequential batch processing during performance executed by the voice control unit 24 of the karaoke apparatus 1 will be described with reference to the flowchart of FIG.

This sequential batch processing during performance is executed when the process proceeds to S715 in the performance processing of the voice control unit 24 described above.
First, in S910, the time per step is calculated from the tempo value.

In the subsequent S915, the head address of each track is stored in a “pointer variable (current reading position)” for each track.
In the subsequent S920, initialization processing is executed for parameters relating to performance such as sound source settings and volume values.

  In subsequent S925, the current step value is set to zero, the transmission target track is set to the first track (S935), and output processing of the transmission target track is executed (S940). Since this “transmission target track output process” has already been described, a detailed description thereof will be omitted here.

In subsequent step 945, the transmission target track is set to the next track.
In subsequent S950, it is determined whether or not all the tracks are set as transmission target tracks. If it is determined that not all tracks are the transmission target tracks (S950: No), the process proceeds to S940 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks are transmission target tracks (S950: Yes), the process proceeds to S952.

  In S952, it is determined whether or not there is data having the same value as the current step value with reference to the effect output table (see FIG. 13A). If there is data having the same value as the current step value (S952: Yes), the data is read out and stored in the work area 24g of the RAM 24d (S954), and the process proceeds to S955. On the other hand, if there is no data having the same value as the current step value (S954: No), the process proceeds to S955 as it is.

In S955, the numerical value “1” is added to the current step value.
In subsequent S960, the process waits for one step.
In subsequent S965, it is determined whether or not an instruction to stop the performance data is transmitted from the control unit 12. If it is determined that an instruction to stop the performance data is transmitted from the control unit 12 (S965: Yes), this process is terminated. On the other hand, when it is determined that the instruction to stop the performance data is not transmitted from the control unit 12 (S965: No), the process proceeds to S970.

  In S970, it is determined whether all tracks have reached the end of each track. If it is determined that all tracks have not reached the end of each track (S970: No), the process proceeds to S935 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks have reached the end of each track (S970: Yes), this process is terminated.

[effect]
As described above, according to the second embodiment, the CPU 24e executes “sequential processing during performance” which is a subroutine of “performance processing”, thereby acquiring performance data scheduled to perform karaoke performance from the HDD 16 and RAM 24d. During the temporary storage in the work area 24g, change data is detected from the performance data stored in the work area 24g. In this way, the capacity of the storage area of the work area 24g of the RAM 24d can be reduced. However, the execution frequency of the change data detection process increases, and the processing load of the change data acquisition process execution area in the CPU 24e increases.
[Third embodiment]
In the third embodiment, when the CPU 24e delays the transfer timing of the note-on signal by executing ““ sequential sequential processing during performance ”(see FIG. 15) instead of“ pre-performance batch development processing ”. When there is a Norton on signal whose transfer timing overlaps with the delayed note on signal, the one having the larger influence due to the delay of the transfer timing is prioritized.

[Sequential sequential processing during performance of the voice control unit 24 of the karaoke apparatus 1]
Hereinafter, the processing procedure of the sequential batch processing during performance executed by the voice control unit 24 of the karaoke apparatus 1 will be described with reference to the flowchart of FIG. 15 and FIG. FIG. 5 is an explanatory diagram showing each track and MIDI data string constituting the MIDI data, and shows the time when the guide melody is changed (delay cancellation method 2).

This sequential processing during performance is executed when the process proceeds to S715 in the performance processing of the voice control unit 24 described above.
First, in S1002, the time per step is calculated from the tempo value.

In subsequent S1004, the head address of each track is stored in a “pointer variable (current reading position)” for each track.
In subsequent S1006, initialization processing is executed for parameters relating to performance such as sound source settings and volume values.

In subsequent S1008, the current step value is set to zero.
In subsequent S1010, the effect set flag (see FIG. 18A) is set to a non-set state. The effect set flag is stored in the note-on signal area 24i of the RAM 24d.

  In subsequent S1012, it is determined whether or not the effect set flag is set. If the effect set flag is not in the set state (S1012: No), the process proceeds to S1026. On the other hand, when the effect set flag is in the set state (S1012: Yes), the process proceeds to S1014.

  In S1014, it is determined whether there is no MIDI command processing in all tracks. If MIDI command processing exists in all tracks (S1014: No), the process proceeds to S1020. On the other hand, if there is no MIDI command processing in all tracks (S1014: Yes), the process proceeds to S1015.

In S1015, timbre delay tracks included in all the tracks are specified with reference to the timbre rise table (see FIG. 18C).
In subsequent S1016, it is determined whether there is no MIDI command processing in all tracks other than the delayed tone color track. If there is no MIDI command processing in all tracks other than the delayed tone color track (S1016: Yes), the flow proceeds to S1026. On the other hand, if MIDI command processing exists in all tracks other than the delay tone color track (S1016: No), the MIDI command of the delay tone color track is delayed by one step (S1018), and the process proceeds to S1020.

In S1020, unsent effect output data is output for one data, and it is assumed that it has already been sent.
In subsequent S1022, it is determined whether or not all effect output data has been output. If all effect output data has not been output (S1022: No), the process proceeds to S1026. On the other hand, when all the effect output data is output (S1022: Yes), the effect flag is set to the non-set state (S1024), and the process proceeds to S1026.

In S1026, the transmission target track is set to the first track.
In the subsequent S1028, the transmission target track output process (2) is executed. This “transmission target track output process (2)” is performed instead of executing the “note off check / effect table set process” in S878 in the above “transmission target track output process (1)”. The only difference is that the note-off check process (S879) is executed (see FIG. 16). The note-off check process will be described later.

In subsequent 1030, the transmission target track is set to the next track.
In subsequent S 1032, it is determined whether or not all the tracks are the transmission target tracks. If it is determined that not all tracks are the transmission target tracks (S1032: No), the process proceeds to S1028 and the following processing is repeatedly executed. On the other hand, if it is determined that all tracks are transmission target tracks (S1032: Yes), the process proceeds to S1034.

In S1034, the numerical value “1” is added to the current step value.
In subsequent S1036, the process waits for one step.
In subsequent S1038, it is determined whether or not an instruction to stop the performance data is transmitted from the control unit 12. If it is determined that an instruction to stop playing the performance data is transmitted from the control unit 12 (S1038: Yes), this process ends. On the other hand, when it is determined that the instruction to stop the performance data is not transmitted from the control unit 12 (S1038: No), the process proceeds to S1040.

  In S1040, it is determined whether all tracks have reached the end of each track. If it is determined that all tracks have not reached the end of each track (S1040: No), the process proceeds to S935 and the following processing is repeatedly executed. On the other hand, when it is determined that all tracks have reached the end of each track (S1040: Yes), this process is terminated.

[Note Off Check Processing of Voice Control Unit 24 of Karaoke Apparatus 1]
Below, the process sequence of the note-off check process performed by the audio | voice control part 24 of the karaoke apparatus 1 is demonstrated based on the flowchart of FIG. The note-off check process is executed when the process proceeds to S879 in the transmission target track output process (2) executed by the audio control unit 24.

  First, in step S1110, it is determined whether the same signal as the note-on signal of the corresponding track exists in the note-on signal table stored in the note-on signal area 24i of the RAM 24d. When the same signal as the note-on signal of the corresponding track exists in the note-on signal table (S1110: Yes), this process is terminated as it is. On the other hand, when the same signal as the note-on signal of the track does not exist in the note-on signal table (S1110: No), the process proceeds to S1120.

In S1120, the current track is searched until the next note-on signal is detected.
In the subsequent S1130, it is determined whether or not the tone of the vibraphone has been changed in the corresponding track until the note-on signal is detected in the previous S1120. If there is no change in tone color to the vibraphone in the corresponding track (S1130: No), this processing is terminated as it is. On the other hand, if there is a change in tone color to the vibraphone in the corresponding track (S1130: Yes), the process proceeds to S1140.

In S1140, the effect set flag is set to the set state.
In subsequent S1150, all step value areas of the effect output table are initialized to an unset state (see FIG. 18B). Then, this process ends.

[effect]
As described above, according to the third embodiment, the CPU 24e executes the “note-off check process” which is a subroutine of the “performance process”, thereby improving the sound quality due to the delay among the delayed note-on signal and the duplicate note-on signal. Since the higher influence level is preferentially inserted into the data insertable area (see FIG. 5), the influence on the sound quality of the karaoke performance due to the delay in the transfer timing of the note-on signal can be suppressed as much as possible.
[Other Embodiments]
As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, It is possible to implement in the following various aspects.

  (1) In the first embodiment, the CPU 24e executes the “pre-performance batch development process”, which is a “performance process” subroutine, so that performance data scheduled to perform karaoke performance is acquired from the HDD 16 by the control unit 12. Then, the data is temporarily stored in the work area 24g, and the change data is detected from the performance data stored in the work area 24g. However, the present invention is not limited to this, for example, from the operation unit 18 or the remote control terminal 2 provided in the karaoke apparatus 1 You may make it acquire the input change data.

  (2) In the above-described embodiment, an area where there is no valid note-on signal of the guide melody in the performance data is detected as the “data insertable area”. And the area between the note-on signal and the “data insertable area” may be detected.

It is a block diagram which shows the whole structure of a karaoke system. It is a block diagram which shows the structure of the audio | voice control part of a karaoke system. It is explanatory drawing which shows each track | truck and MIDI data row | line | column which comprise MIDI data, (a) shows the time of normal performance, (b) shows the time of guide melody change (at the time of simple replacement). It is explanatory drawing which shows each track | truck and MIDI data row | line | column which comprise MIDI data, and shows the time of a guide melody change (delay cancellation method 1). It is explanatory drawing which shows each track | truck and MIDI data row | line | column which comprise MIDI data, and shows the time of guide melody change (delay cancellation method 2). It is a flowchart which shows the input reception process which the control part of a karaoke apparatus performs. It is a flowchart which shows the main process which the control part of a karaoke apparatus performs. It is a flowchart which shows the main process which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the performance process which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the pre-performance batch expansion | deployment process which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the transmission target track output process (1) which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the note-off check and the effect table set process which the audio | voice control part of a karaoke apparatus performs. (A) is explanatory drawing which shows an effect output table, (b) is explanatory drawing which shows a music selection table. It is a flowchart which shows the performance process (sequential collective process during performance) which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the performance process (Sequential sequential process during performance) which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the transmission target track output process (2) which the audio | voice control part of a karaoke apparatus performs. It is a flowchart which shows the note-off check process which the audio | voice control part of a karaoke apparatus performs. (A) is explanatory drawing which shows an effect set flag, (b) is explanatory drawing which shows an effect output table, (c) is explanatory drawing which shows a timbre rise table.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Karaoke apparatus, 2 ... Remote control terminal, 12 ... Control part, 14 ... Interface part, 16 ... Hard disk (HDD), 18 ... Operation part, 20 ... Infrared communication part, 22 ... Operation processing part, 24 ... Voice control part, 24a ... bus, 24b, 24f ... I / F, 24c ... ROM, 24d ... RAM, 24e ... CPU, 24g ... work area, 24h ... buffer area, 24i ... note-on signal area, 26 ... microphone, 28 ... speaker, 30 ... MIDI sound source, 32, 64 ... Video RAM, 34 ... Video playback unit, 36 ... Display unit, 38 ... Video control unit, 52 ... Control unit, 54 ... Infrared communication unit, 56 ... Memory, 58 ... Display unit, 60 ... Operation unit, 62 ... operation processing unit, 66 ... video control unit, 68 ... wireless LAN communication unit, 100 ... network, 110 ... wireless access point

Claims (6)

Performance data storage means for storing performance data created in the MIDI data format, including a guide melody with a specified tone color;
Performance data acquisition means capable of acquiring the performance data from the performance data storage means;
Karaoke performance means for performing karaoke performance based on the performance data acquired by the performance data acquisition means;
A karaoke device comprising:
A buffer capable of temporarily storing performance data acquired by the performance data acquisition means;
A setting information correspondence table storage means for storing a setting information correspondence table in which a type of timbre of the guide melody and guide melody setting information indicating setting contents related to the guide melody are associated with each other;
Change data acquisition means capable of acquiring change data for changing the type of tone of the guide melody;
When the change data is acquired by the change data acquisition means, the setting information correspondence table storage means stores guide melody setting information corresponding to the tone type of the guide melody indicated by the change data. Setting information specifying means for specifying with reference to the table;
When change data is acquired by the change data acquisition means, an area in which setting data indicating the change data and the guide melody setting information can be inserted is detected from the performance data stored in the buffer, and the detected data Data updating means for updating the performance data stored in the buffer by inserting the change data and the setting data specified by the setting information specifying means into the insertable area;
Performance data transfer means for reading performance data stored in the buffer and transferring it to the karaoke performance means;
With
The karaoke performance means, have rows karaoke performance on the basis of the performance data that has been transferred by the performance data transfer means,
further,
The data updating means determines whether or not there is a note-on signal whose transfer timing is delayed among the note-on signals included in the performance data when the change data and the setting data are inserted into the data insertable area. If there is a data insertable area other than the data insertable area, it is detected from the performance data, and the change data and a part of the setting data are transferred to the detected other data insertable area. The performance data stored in the buffer is updated by inserting a karaoke device. The karaoke apparatus according to claim 1,
The change data acquisition means detects the change data from the performance data stored in the buffer after the performance data is acquired from the performance data storage means by the performance data acquisition means and stored in the buffer. The change data is acquired by doing so. The karaoke apparatus according to claim 1 ,
The karaoke apparatus, wherein the change data acquisition means acquires the change data by detecting the change data from performance data stored in the buffer during a predetermined time. In the karaoke apparatus in any one of Claims 1-3,
The karaoke apparatus, wherein the data updating means detects an area in the performance data where no effective note-on signal exists in the guide melody as the data insertable area. In the karaoke apparatus in any one of Claims 1-4 ,
The performance data transfer means transfers the performance data to the karaoke performance means in a serial transfer format,
An influence degree correspondence table storage unit that stores an influence degree correspondence table that associates the kind of tone color and the influence degree information indicating the degree of influence on the rise of the sound when the transfer timing of the note-on signal is delayed,
The data update means includes
When there is a delayed note-on signal whose transfer timing is delayed among the note-on signals included in the performance data when the change data and the setting data are inserted into the data insertable area, the delayed note-on signal It is determined whether or not there is a duplicate note-on signal whose transfer timing overlaps, and if there is, refer to the influence degree correspondence table stored in the influence degree correspondence table storage means to the delayed note-on signal. The corresponding influence information and the influence information corresponding to the duplicate note-on signal are identified, and the influence information corresponding to the identified delayed note-on signal and the influence information corresponding to the duplicate note-on signal are specified. , any of the delay note-on signal or said redundant note-on signal, in the Shiruaru transfer format And determine whether having a serial note-on signal influence of the larger influence on the rise of the sound of karaoke performance of the karaoke performance means by the transfer timing delay, priority to one of the note-on signal having the identified impact by inserting into a region of the said serial transfer format as the serial transfer timing delayed than the other note-on signal not having identified impact is inserted into the data insertion area of the serial transfer format by Update the performance data stored in the buffer ,
The performance data transfer means serially transfers one note-on signal having the specified influence level to the karaoke performance means without delaying the transfer timing of the other note-on signal not having the specified influence degree. A karaoke apparatus characterized by that . The program for functioning a computer as a setting information specific | specification means and data update means in the karaoke apparatus in any one of Claims 1-5 .