JP4687759B2 - Performance data reproducing apparatus and program - Google Patents

Description

  The present invention relates to a performance data reproduction system capable of easily adjusting a repeated reproduction section of performance data.

Conventionally, during playback of performance data stored in the storage means, a repeat playback function has been provided that can return the performance position to a predetermined section or an arbitrary section if there is a repeat instruction by operating the operator. An electronic musical instrument is known from Patent Document 1, for example. According to such a repeated playback function, repeated playback is performed during the position (section) where the operation element is operated from the returned position.
JP 7-319458 A

  However, with the conventional repeat playback function, the start point of the section for repeated playback can be adjusted, but the end point of this repeat section is fixedly determined by the performance position when the operator is operated. In the case of performing repetitive reproduction during reproduction, the user must operate the operator in a timely manner in order to obtain a desired repetitive reproduction end point.

  In view of such inconveniences, the present invention provides a performance data playback system capable of easily setting the position and length of a desired repeated playback section regardless of the timing for instructing the start of repeated playback. Objective.

  According to the main feature of the present invention, the performance data is sequentially reproduced in accordance with the progress of the music in the normal reproduction mode, and when the repeat reproduction mode is entered by an instruction to start the repeated reproduction, a part of the section (Tr) in the performance data is selected. Repeating means (6, 7) for repeated playback and repeated start instructing means (S5 = YES → S6) for instructing the start of repeated playback based on a user operation (KS) when the performance data is being played back in the normal playback mode. ) And the timing at which the repeat playback start is instructed [FIG. 2 (1), FIG. 3 (2): A], the start position (pa) and end position (pb) of the section (Tr) are determined. Based on the user operation (KP, KM) in the position determination and repeated reproduction start means (S7 to S9) for causing the reproduction means (6, 7) to start repeated reproduction and in the repeated reproduction mode (S10 = YES). The position change instruction means (S11 = YES) for instructing the change of the end position (pb), the start position (pa) determined by the position determination and repeated reproduction start means (S7 to S9) in response to this instruction, and The end position (pb) is changed so as to be shifted by a predetermined performance unit (one measure), and a new repeated reproduction is performed while maintaining the length of the section (Tr) ("section width" pa to pb = 4 measures). The section in the performance data to be moved is moved by a predetermined performance unit (one measure) (pa = p2, pb = p6 → pa = p3, pb = p7), position changing means (S12, S13), and position changing means ( If the start position changed by S12 and S13) is before the start (p1) of the performance data, the start (p1) of the performance data is adjusted to be the start position (pa) of the section (Tr). , This adjustment shortens The start position adjusting means ([0067]) for storing the length of the section (Tr), and the reproduction means (6, 7) at the timing when the change of the end position (pb) is instructed (FIG. 3 (4): B). ) Is stopped, and the start position (pa = p3) changed by the position change means (S12, S13) or the start position adjusted by the start position adjustment means (pa = p1) is immediately stopped. A performance data reproducing apparatus comprising a repetitive reproduction restarting means (S14) for starting a new repetitive reproduction of the performance data is provided. Note that the parentheses are added with reference symbols and the like of the corresponding embodiments for the convenience of understanding, and the same applies to the following.

  Also, according to this feature, the performance data is sequentially played back in accordance with the progress of the music in the normal playback mode, and when the repeat playback mode is entered by an instruction to start repeated playback, a part of the performance data (Tr) is repeatedly played back. When the performance data is being played back in the normal playback mode, a computer having playback means (6, 7) that functions as a performance data playback device is instructed to start repeated playback based on the user operation (KS). In accordance with the repeat start instruction step (S5 = YES → S6) and the timing (FIG. 2 (1), FIG. 3 (2): A) at which the repeat playback start is instructed, the start position (pa) of the section (Tr) ) And the end position (pb) are determined, the position determination and repetition reproduction start steps (S7 to S9) for causing the reproduction means (6, 7) to start the repetition reproduction, and the repetition reproduction mode are set. (S10 = YES), based on a user operation (KP, KM), a position change instruction step (S11 = YES) for instructing change of the end position (pb), and in accordance with this instruction, position determination and repeated reproduction start The start position (pa) and end position (pb) determined in steps (S7 to S9) are changed so as to be shifted by a predetermined performance unit (1 bar), and the length of the section (Tr) (4 bars) is maintained. In this state, the section in the performance data to be newly reproduced repeatedly is moved by a predetermined performance unit (one measure) (pa = p2, pb = p6 → pa = p3, pb = p7) position changing step (S12, If the start position changed in S13) and the position change step (S12, S13) is before the start (p1) of the performance data, the start (p1) of the performance data is set to the start position of the section (Tr) ( pa The start position adjustment step ([0067]) for storing the length of the section (Tr) shortened by this adjustment and the timing at which the change of the end position (pb) is instructed [FIG. ): B], the reproduction means (6, 7) stops the reproduction of the performance data, and immediately the start position (pa = p3) or the start position adjustment changed in the position change step (S12, S13). There is provided a performance data reproduction program (Claim 2) for executing a procedure comprising a repeat reproduction restarting step (S14) for starting a new repeated reproduction of the performance data from the start position adjusted in the step (pa = p1). .

  In the performance data playback system according to the present invention, the performance data playback mode includes a normal playback mode and a repeated playback mode. In the normal playback mode, the data is supplied from the storage means (3, 4) or the like. The performance data is played back as it is in accordance with the progress of the song, and if there is an instruction to start repeated playback during playback in the normal playback mode (S5 = YES), the repeated playback mode is entered (S6). Part of the section (Tr) in the performance data can be reproduced repeatedly. Here, the performance data playback operation in the normal playback mode is called “normal playback”, and the performance data playback operation in the repeated playback mode is called “repetitive playback”. In addition, the performance data section that is repeatedly played back in the repeat playback mode is called a “repetitive playback section”.

  In this invention, when the user operates the repeat start operator (KS) during normal reproduction of performance data, the repeat reproduction start is instructed accordingly and the repeat reproduction mode is entered (S5 = YES → S6). The performance data in the playback section is repeatedly played back (S18 to S20). Here, with respect to the repeated playback section (Tr), the start position (starting point) (starting point) (in FIG. 2 (1), FIG. 3 (2): A) is given once at the timing when the repeated playback start instruction is given by the user operation. pa) and end position (end point) (pb) are determined (S7, S8: pa = p2, pb = p6; pa-pb = p2-p6 = 4 measures), and at the timing of repeated playback start (data position A) The performance data can be repeatedly reproduced from the determined start position (pa = p3) (S9). If the user operates the position change operator (KP, KM) after entering the repeat reproduction mode (S10 = YES), an instruction to change the end position (pb) is accepted accordingly (S11 = YES), by accepting this instruction, the start position (pa) and end position (pb) of the repeated playback section (Tr) are changed so as to be shifted, and a section in the performance data to be newly played back is repeatedly played back. Moved while maintaining the length of the section (Tr) (“section width” pa to pb = 4 bars) (S12, S13: pa = [p2 →] p3, pb = [p6 →] p7; section Width pa-pb = [p2-p6 →] p3-p7 = 4 bars). Then, at the timing of receiving this instruction [FIG. 3 (4): B], the reproduction of the performance data is stopped, and a new repeated reproduction from the changed start position (pa = p3) can be started immediately. Yes (S14).

  As described above, according to the present invention, at the beginning of the transition to the repetitive reproduction, the start position (pa) and end position (pa) of the repetitive reproduction section (Tr) according to the repetitive reproduction start instruction timing (A) during the reproduction of the performance data. pb) is determined, but if the change of the end position (pb) of the repeated playback section (Tr) is accepted in accordance with the subsequent end position change instruction, the length (section width) of the repeated playback section (Tr) is accordingly received. While maintaining pa to pb), the start position (pa) and the end position (pb) are shifted back and forth, and repeated playback is immediately started from the changed start position (pa) at the end position change instruction timing (B). I'm trying to get started. Therefore, the user can easily obtain a desired repeated playback section by arbitrarily setting the end position of the repeated playback section regardless of the timing for instructing the start of repeated playback. As a result, the user does not need to worry about the operation timing of the operator that instructs repeated playback. During repeated playback of performance data, the user can always increase the length of the repeated playback section by instructing the end position change. While maintaining the state, it is possible to change to a desired repeated reproduction section, and it is possible to immediately start the repeated reproduction from the desired start position at the end position change instruction operation timing.

  Further, according to the present invention, not only the end position (pb) but also the start position (pa) of the repeated playback section (Tr) in accordance with the change instruction operation (KP, KM) of the end position (pb) is a predetermined performance unit (one measure). Both positions (pa, pb) can be moved while maintaining the length of the repeated playback section (Tr) (section width pa-pb) (S11 = YES → S12, S13). In the case where the start position (pa) comes before the beginning (p1) of the performance data due to movement, the start position (pa) of the section (Tr) is adjusted to be the beginning of the performance data, and an instruction to change the end position is given. At the timing [FIG. 3 (4): B], new repeated reproduction of the performance data starts immediately from the adjusted start position, that is, the beginning of the performance data (pa = p1), and is shortened by adjusting the start position. Length between (Tr) is stored ([0067]).

That is, according to the present invention, as described above, at the beginning of the transition to the repeat playback mode, the start position of the repeat playback section in which the repeat playback is performed according to the instruction timing for starting the repeat playback while the performance data is being played back. After entering the repeat playback mode, the end position change instruction is accepted, and the entire repeat playback section is moved by a predetermined performance unit while maintaining the desired section length. If the start position comes before the beginning of the performance data due to this movement, the beginning of the performance data can be adjusted to the start position of the repeated playback section, and it can be shortened by adjusting the start position. The length of the selected section can be stored.

〔System configuration〕
FIG. 1 shows a hardware configuration example of a performance data reproducing system according to an embodiment of the present invention. In this example of the performance data reproduction system, an electronic musical instrument is used as the performance data reproduction device. However, even if the information processing device is not a music-specific information processing device such as an electronic musical instrument, performance input and You may use what provided the tone generation function. This performance data reproducing device includes a central processing unit (CPU) 1, a random access memory (RAM) 2, a read only memory (ROM) 3, an external storage device 4, an input operation unit 5, a display unit 6, a sound source unit 7, a communication Elements such as an interface (communication I / F) 8 are provided, and these elements 1 to 8 are connected to each other via a bus 9.

  The CPU 1 that controls the entire apparatus executes various processes in accordance with various control programs including a performance data reproduction program. The RAM 2 functions as a processing buffer for temporarily storing various information used in these processes. The ROM 3 stores various data such as various control programs, necessary control data, and performance data.

  The external storage device 4 is a hard disk (HD), a compact disk read only memory (CD-ROM), a flexible disk (FD), a magneto-optical (MO) disk, a digital multipurpose disk (DVD), a memory card, etc. Storage means using a storage medium. Various programs and data such as a performance data reproduction program and performance data can be stored not only in the ROM 3 but also in the external storage device 4.

  For example, when a control program such as a performance data reproduction program is not stored in the ROM 3, the control program is stored in the external storage device 4 such as an HD or a CD-ROM, and is read into the RAM 2, whereby the control program is stored in the ROM 3. It is possible to cause the CPU 1 to perform the same operation as in the case of storing the control program, and it is possible to easily add a control program, upgrade the version, and the like. Also, a desired performance data reproducing apparatus can be realized by installing a program used for performance data reproduction processing, necessary control data, and the like.

  The performance data is also called “music data”, and includes performance information in which information related to the performance of the music is described in a predetermined format (for example, MIDI format), and may further include performance guide information. The operation mode that is set in the device when playing performance data includes “view mode” (no performance guide) that plays back only the performance information in the performance data, and playback of part of the performance information and performance guide information. There is a “practice mode” (with a performance guide). In addition, the playback mode for determining the progress mode of the performance data playback when the device is operating in each operation mode includes the “normal playback mode” in which the playback is performed in the order of the music progress of the performance data, There is a “repetitive playback mode” in which a part of the performance data is referred to as a “repetitive playback section” (also simply referred to as “repetitive section”), and this section is repeatedly played back.

  The input operation unit 5 includes various operation buttons (keys) for instructing performance operators such as a keyboard, power on / off, various settings, start / stop of performance data playback processing, start / release of repeated playback, and the like. / Operation unit including a button, mouse, etc.) and an operation detection circuit. The operation detection circuit detects the contents of the performance operation and panel operation by the user using these operators, and the corresponding input information is introduced into the system main body. To do.

  The panel controls used when playing back performance data include, for example, setting controls for selecting performance data to be played back, specifying operation modes such as viewing mode and practice mode, and setting the width of repeated playback sections. There are instruction operators for instructing the start and release of the repeat playback mode, the change of the end position of the repeat playback section, the change of the length (width) of the repeat playback section, etc. during playback of the performance data. A dedicated operator may be used for these operator functions, but a predetermined function may be assigned to a predetermined operator when playing performance data.

  In the following example, at the time of performance data reproduction, each operator function is assigned to a specific key (button) in the panel operator. For example, as shown in the figure, a character (S, R) key is used as a repeat playback start / release operator for instructing start / release of the repeat playback mode, and a repeat playback start / release key KS, It is called KR. A “+” key KP and a “−” key KM are used as position change operators for instructing to change the end position of the repeated playback section, and the section width change for instructing a change value of the width of the repeated playback section. A numeric keypad (numbers 1, 2,...) KT is used as the operation element. It should be noted that the above-described instruction functions by these operators KR; KP, KM; KT are effective when the playback mode is the repeated playback mode.

  The display unit 6 controls the display content and lighting state of 10 including a display (display such as CRT and LCD) connected thereto and various lamps / indicators according to a command from the CPU 1, and operates the input operation unit 5. Display assistance for.

  For example, when the operation mode at the time of performance data playback is the practice mode, according to the playback of the performance guide information in the performance data, the lighting of the guide lamps provided corresponding to each key of the keyboard is controlled, or The performance guide can be performed by a method such as changing the display mode of each key of the keyboard displayed on the display 10. When playing back performance data, the currently set repeat playback section width is displayed in bars, and when the playback mode is set to repeat playback mode, the start and end positions of the repeat playback section at that time are displayed in bars. You may enable it to display. Further, instead of the functions of the various panel operators described above, a method of displaying buttons to which various functions are assigned on the screen of the display 10 so as to be operable by the user may be employed.

  The sound source unit 7 includes a sound source (including software) and an effect imparting DSP, and corresponds to actual performance information based on performance operation of the performance operator (5) and performance information in performance data such as the storage means 3 and 4. A sound system 11 that generates a musical sound signal and is connected to the sound source unit 7 includes a D / A conversion unit, an amplifier, and a speaker, and generates a musical sound based on the musical sound signal from the sound source unit 7. Note that the practice mode is configured so that part or all of the performance information is not uttered by the musical tone generator 7-11.

  The communication I / F 8 shown in the figure collectively represents various interfaces connected to a local area network (LAN), a general communication network such as the Internet and a telephone line, or a MIDI network. Various information can be exchanged with various external devices 12 such as other computers and MIDI devices.

  For example, when no control program or data is stored in this apparatus, a control program or the like can be downloaded from another computer 12 via the communication I / F 8. In addition, actual performance information and various performance data can be captured from the communication I / F 8 using various MIDI devices including other performance information input devices (such as keyboard instruments) and performance data output devices.

[Example of changing the repeated playback section]
In the performance data reproduction system according to one embodiment of the present invention, when the start of repeated reproduction is instructed by a user operation during the reproduction of performance data (song data), the repeated reproduction mode in which only the performance data in the repeated reproduction section is reproduced repeatedly. In addition, in this repeat playback mode, the user can instruct to change the end position of the section by user operation, and the end position of the repeat playback section is shifted back and forth in response to this instruction, so that the user starts the repeat playback Regardless of the timing for instructing, it is possible to set a desired repeated playback section in the performance data. 2 and 3 show examples of changing the repeated playback section according to one embodiment of the present invention.

  Here, the essential points of the performance data reproduction in this performance data reproduction system will be described very simply with reference to FIGS. In this system, in the normal playback mode when playing back performance data, the performance data is sequentially played back as the music progresses, and in the repeat playback mode, a predetermined section Tr in the performance data is played back repeatedly. When the repeat playback start is instructed by the user operation (point A) of the repeat playback start key KS during normal playback (1), the end position pb of the repeat playback section Tr is determined based on the designated timing position A ( 2). Thus, after entering the repeat playback mode, when the end position change is instructed by the user operation (point B) of the position change operator KP (or KM) (3), the end position pb of the repeat playback section Tr is moved backward. (Or forward) is changed (4). The start position pa of the repeated playback section Tr is also determined based on the end position pb determined by the repeated playback start instruction (A) (2), and is similarly changed according to the change of the end position pb. (4).

  Hereinafter, FIG. 2 and FIG. 3 will be described in more detail. In the following example, music data consisting of 8 bars is prepared as performance data, and the end position pb of the repeated playback section Tr for repeatedly playing back the music data can be changed according to the user operation of the position change operators KP and KM. In addition, the width of the repeated playback section Tr (also referred to as section width or repeated width) is set in advance. The end position pb or the section width can be changed or set, for example, with one measure as a performance unit. In the example shown in the figure, the section width is set to four bars.

  When the start of the music data playback operation is instructed, the music data playback starts in the normal playback mode. First, as shown in FIG. 2 (1), playback starts from the beginning position p1 of the first bar of the music data. Start. After that, the playback progresses to the middle of the fifth measure, and the repeat playback start key (also referred to simply as the start key) KS is operated at the position of point A to accept the start of the repeat playback. After stopping, as shown in FIG. 3 (2), the normal playback mode is shifted to the repeated playback mode in which the music data in the repeated playback section Tr is repeatedly played.

  In this case, the end point (end position) pb of the repeated playback section Tr is set to the end position of the performance unit where the repeated playback start acceptance position (normal playback stop position) A exists at the beginning of the transition to the repeated playback mode. In addition, the start point (start position) pa of the repeated section Tr is set to a position before the end position pb by the section width set length.

  In this example, the end position pb is set at the end position of the fifth measure of the music data (immediately before the beginning p6 of the sixth measure), and is set to “section width = 4 measures” in advance. Set at the beginning p2 of the second measure. Then, when the repeat playback mode is entered, the playback start position is returned to the start point pa = p2 of the set repeat section Tr, and “repetition section Tr = second to fifth measures” set in this way unless there is any change operation. The song data “” is repeatedly reproduced as indicated by the thick line in FIG.

  In the repeat playback mode, when the music data in the repeat section Tr is repeatedly played back as shown in FIG. 3 (2), the “+” key KP or the “−” key KM is operated to change the end position. Then, the end position pb of the repeat section Tr is shifted backward or forward with respect to the progress of the music data by the performance unit corresponding to the number of operations. In this case, in the case where the section width is set to a predetermined length in advance as in this example, the start position pa is similarly shifted, and the entire repeated section Tr is moved backward on the music data by the shift of both positions pa and pb. Or move it forward.

  For example, as shown in FIG. 3 (3), after playing back to the end (pb) of the fifth measure where the repeat section Tr ends, the process returns to the beginning (pa) of the second measure where the repeat section Tr starts, It is assumed that reproduction is performed again from this position (pa) and the “+” key KP is operated once when the point B is reached in the middle of the fourth measure. At this time, as shown in FIG. 3 (4), the end position pb of the repeated section Tr is shifted behind the song data by one bar corresponding to the number of operations of the “+” key KP. It is set at the end position of the measure (immediately before the beginning p7 of the seventh measure). At this time, the start position pa of the repeated section Tr is set to the beginning p3 of the third measure of the music data ahead of the end position pb by the set section width = 4 measures. Accordingly, the repeated section Tr maintains the set length and moves backward as a whole.

  In the example of FIG. 3 (3), the case where the end position change key KP is operated after the reproduction to the end position pb is given, but the current end position is displayed on the display output unit (display, etc.) 10 of the apparatus, for example. If pb is configured to be displayed, the user can check the end position of the repeated section Tr without playing back to the end position pb, so the end position during the initial (first) repeated playback. Even if the change keys KP and KM are operated, the desired end position pb is obtained.

  Further, the reproduction of the performance data is stopped at the position B where the “+” key KP is operated, and the repeat reproduction start position is returned to the new start position pa (= p3) of the set repeat section Tr. The music data is started to be reproduced from (= p3), and the music data in the set repeated section Tr (= third to sixth bars) is repeatedly reproduced as indicated by the bold line in FIG. 3 (4).

[Operation flow of music data playback]
In the performance data reproduction system according to one embodiment of the present invention, when the performance data reproduction process is executed according to the performance data reproduction program and the reproduction mode of the performance data enters the repeated reproduction mode, as described above, the repetition according to the user operation is performed. Not only can the end position change of the playback section be realized, but also the section width can be changed. 4 and 5 are flowcharts showing an example of the music data reproduction operation based on the performance data reproduction process according to the embodiment of the present invention.

  The illustrated operation flow example shows the reproduction operation for each piece of music data during the performance data reproduction program operation. Further, in accordance with the user operation of the setting operator of the input operation unit 5, selection of music data to be reproduced, setting of a repetition width (for example, the number of bars) (in this example, “4 bars”), practice mode / playback mode It is assumed that the operation mode has been already set. If necessary, the position at which reproduction is started at the beginning of reproduction of music data can be set not only at the beginning of the music data but also at an arbitrary predetermined position.

  Now, when the playback start operator (5) is operated by the user, an instruction to start playback of the selected song data is given. First, in step S1, initialization is performed, and then playback of the song data is started. . In initialization, for example, the playback position at the beginning of the playback operation is set to a predetermined playback start position (for example, the beginning of the music data), and the repeated playback mode is automatically canceled. Therefore, at the start of reproduction of the song data, the song data is reproduced (normal reproduction) in the normal reproduction mode. For example, the reproduction is sequentially performed from the start position p1 of the song data in accordance with the progress of the song data. Go [see Fig. 2 (1)].

  In the subsequent step S2, it is detected whether or not there has been an operation for terminating the music data reproduction operation. Examples of the ending operation include a playback stop operation, power-off of the apparatus, or another music data selection operation. If there is no such ending operation (S2 → NO), the process proceeds to step S3 to determine whether or not the last piece of music data (corresponding to the position pe in FIGS. 2 and 3) has been reproduced. If the reproduction has advanced to the last position pe of the song data (S3 → YES), it is further determined in step S4 whether or not it is currently in the repeat reproduction mode.

  When the music data playback has not progressed to the last position pe (S3 → NO), or when the playback has progressed to the last pe of the music data but is in the repeat playback mode (S4 → YES), the process proceeds to step S5. It is detected whether or not an instruction to start repeated playback has been received. Here, if there is a user operation of the repeat playback start key KS during normal playback, a repeat playback start instruction is accepted (S5 → YES), and the process proceeds to steps S6 to S9 in order to enter the repeat playback mode. After performing the process, the process proceeds to step S10.

  On the other hand, when the instruction for starting repetitive reproduction has not been received (S5 → NO), the process immediately proceeds to step S10, where it is determined whether or not the reproduction operation is currently being performed in the repetitive reproduction mode (repeating reproduction) When the reproduction is not being repeated (S10 → NO), the process returns to step S2. While the end operation is not performed and the instruction to start repetitive reproduction is not received and the music data is being reproduced without being repeatedly reproduced (S2, S3, S5, S10 → NO), the above-described steps S2 → S3 → S5 → S10 are performed. → The normal playback is continued by repeating the loop operation of S2.

  When a repeat start instruction is accepted (S5 → YES) and the process proceeds to the repeat playback mode input process (S6 to S9), the music data playback mode is set to the repeat playback mode in the first step S6. In the subsequent step S7, the end of the currently playing bar is set to the end position pb of the repeat section Tr, and in step S8, the start of the bar preceding the end position pb by “repetition width = 4 bars” is set to the same section. Set to the start position pa of Tr [see FIG. 2 (1) → FIG. 3 (2)].

  Then, in step S9, the reproduction of the music data is temporarily stopped at the position A at which the repeated reproduction start operation (key KS operation) is received and the repeated reproduction start instruction is received, and the music data is repeatedly reproduced from the set start position pa. Is started, and the music data between the set start and end positions pa and pb is repeatedly reproduced (see FIG. 3B).

  In step S10, as described above, it is determined whether or not repeated playback is being performed. If it is determined that repeated playback is being performed (S10 → YES), the process proceeds to step S11 (FIG. 5). Therefore, when the process proceeds from step S9 to step S10, it is naturally determined that the reproduction is being repeated (S10 → YES), and the process proceeds to step S11.

  In step S11, it is determined whether or not an instruction for changing the position of the repetitive playback section Tr based on the operation of the “+” key KP or the “−” key KM is received, and when an instruction for changing the section position is received (S11 → YES), the process proceeds sequentially to steps S12 to S14, and after processing for changing the section position is performed, the process proceeds to step S15. On the other hand, when such an instruction repeated reproduction start instruction is not accepted (S11 → NO), the process immediately proceeds to step S15.

  When the section position change instruction is accepted (S11 → YES) and the process proceeds to the section position change process (S12 to S14), in response to one operation of the “+” or “−” keys KP and KM in the first step S12. Thus, the end position pb of the performance section Tr is shifted backward or forward by one performance unit [see (3) → (4) in FIG. 3].

  That is, if the “+” key KP is operated, the end position pb is advanced backward by one measure in accordance with the one operation. If the “−” key KM is operated, the end position pb is returned to the previous position by one measure in accordance with the one operation. In this way, the end position pb is instructed by operating the “+” or “−” keys KP and KM, and when the “+” key KP is operated, the end position pb is changed to the end of the song data. When the “−” key KM is operated, the end position pb is changed to the previous position.

  In the next step S13, corresponding to the change of the end position pb of the performance section Tr in step S12, the start position pa is shifted backward or forward by one performance unit, that is, one measure. Furthermore, in step S14, the reproduction of the music data is temporarily stopped at the position when the “+” or “−” keys KP and KM are operated, and a new repeated reproduction is started from the changed start position pa. Then, an operation of repeatedly reproducing the music data between the new start and end positions pa and pb after the change is entered (see FIG. 3 (4)).

  In step S15, whether or not an instruction for a change value of a section width based on the operation of the numeric keypad KT (in this example, the length in units of measures between the start position pa and the end position pb) is received for the repeated playback section Tr is determined. If it is determined and an instruction for such a section width change value is received (S15 → YES), the process proceeds to steps S16 and S17 in sequence, and after the process for changing the section width is performed, the process proceeds to step S18. On the other hand, when such a section width change value instruction is not accepted (S15 → NO), the process immediately proceeds to step S18.

  When an instruction for the section width change value is accepted (S15 → YES) and the process proceeds to the section width change processing (S16, S17), first, in step S16, the end position pb of the current repeated playback section Tr (ie, the current position) The starting position of the performance unit ahead by the performance unit corresponding to the numerical value corresponding to the operation content of the numeric keypad KT is set as a new start position pa. For example, if the numeric keypad KT representing the numerical value “3” is operated during the repeated reproduction of the repeated section Tr shown in FIG. 3 (4), the current end position pb (end position of the sixth measure) is changed to “3”. “The beginning p4 of the fourth measure ahead by the measure is set as a new start position pa.

  If the repetition width is changed by numerical value input using the numeric keypad in this way, next, in step S17, the reproduction of the music data is temporarily stopped at the position when the numeric keypad KT is operated, and the section width is changed. Playback is started from the new start position pa. Thereafter, the music data between the new start and end positions pa and pb whose section width is changed is repeatedly reproduced.

  In step S18, it is determined whether or not an instruction for canceling the repeat playback mode based on the operation of the repeat playback cancel key KR has been received. If such an instruction for canceling the repeat playback mode is not received (S18 → NO), step S19 is performed. Further, it is further determined whether or not the end position pb of the repetitive reproduction section Tr is currently reproduced.

  Here, when the end position pb is reproduced (S19 → YES), the reproduction position of the song data is returned to the start position pa of the currently set repeated reproduction section Tr in step S20, and then step S2 (FIG. Return to 2), otherwise (S19 → NO), return immediately to step S2. While there is no end operation and repeat playback is in progress (S2-> NO, [S4-> YES,] S5-> NO, S10-> NO), the above-described loop of steps S2-S5-> S10-> S11-S20-> S2 is performed. Continue playing repeatedly.

  Accordingly, in the process of passing through the repeat loop step S11, every time the “+” key KP is operated once, the end position pb of the repeated playback section Tr extends backward by one measure, and the “−” key KM is operated once. Each time, the end position pb is shortened by one measure forward by one measure. Thus, when the “+” or “−” buttons KP and KM are operated a plurality of times, the end position pb moves backward or forward by the number of bars corresponding to the number of operations.

  The display output unit (display, etc.) 10 of the apparatus is configured to display the currently set start position pa, end position pb, section width, and the like so that the user can check the information. In this case, the user should operate the position change and section width change operators KP, KM; KT according to the desired repeat section position and section width by referring to these display contents in the repeat playback mode. The number of times and contents can be determined easily and quickly.

  On the other hand, when an instruction for canceling the repeat playback mode is received in the mode cancel determination step S18 (S18 → YES), the repeat playback mode is canceled and the normal playback mode is returned in step S21, and then the process returns to step S2. . In this case, normal playback is performed in the above-described loop of steps S2, S3, S5, S10, and S2 while the music data is being played back without the end operation and the instruction to start repeated playback not being accepted and repeated playback. Therefore, when an instruction to start repetitive reproduction is received in step S5 of this loop (S5 → YES), the repetitive reproduction of steps S11 to S20 described above is started again after the repetitive reproduction input process (S6 to S9).

  After processing in the various loops of steps S2 to S21 as described above and returning to step S2, an end operation is detected (S2 → YES), or normal reproduction has proceeded to the last position pe of the song data If so (S3 → YES, S4 → NO), the playback operation flow for this song data is terminated.

[Various Embodiments]
Although a preferred embodiment of the present invention has been described above, this is merely an example, and the present invention can be variously modified without departing from the spirit thereof and can be implemented in various modes. it can. For example, regarding the start and release instructions for the repeat playback mode, in the embodiment, the start and end instructions are performed by specific button operations (key KS and KR operations) on the apparatus, respectively. If the same button operation is performed again after entering the state of repeated playback at, repeated playback may be canceled.

  Regarding the playback of performance data (song data), in the viewing mode, the song data is played only for the user to listen to. In the practice mode, for example, the user should guide the keys to be played by displaying a guide lamp or the like. In this way, the song data is reproduced in a performance practice state. In the practice mode, the progression (reproduction) of the song may be waited until the user plays correctly (the user performance by the performance operator (5) matches the model performance by the performance information).

  In the embodiment, the means for instructing the start of repeated reproduction is assumed to be the operation of buttons (keys KS, KR) on the apparatus, but other types of operation elements may be used. Or it may be by operation on a display screen.

  The means for instructing the change of the end position (pb) of the repeated reproduction assumes the “+” and “−” buttons (KP, KM) on the apparatus in the embodiment, but “+” and “ For example, “→” and “←” buttons may be used instead of the “−” button. Also, other types of operation elements may be used.

  The start position (pa) of repeated playback may be determined by default so that it is a predetermined length (four bars in the embodiment) before the end position (pb). The width may be determined.

  In addition, the start position of repeated playback is not only set in accordance with the end position in this way, but is also fixedly set at a predetermined position in the song data, such as the beginning of the song data or the beginning of the nth measure. You may do it. Also in this case, the start position may be set by default, or may be arbitrarily set by user setting. In this case, the repeated playback start position is changed in accordance with the user operation of the position change operator (KP, KM) or the section width change operator (KT) in the same manner as in the embodiments (S13, S16). be able to.

  When an instruction to start repeated playback is received (point A in FIG. 3B), playback may be started immediately from the repeat playback start position as in the embodiment. For example, an instruction to start repeated playback may be used. The reproduction may be advanced to the bar line immediately after receiving [the end of the fifth bar in the figure], and then the reproduction may be started from the repeated reproduction start position.

  When an instruction to change the repeat playback end position (pb) is received (point B in FIG. 3 (3)), playback may be started immediately from the repeat playback start position as in the embodiment. Similarly, the playback may be started from the repeated playback start position after the playback is advanced to the bar line immediately after receiving the instruction, or the playback of the repeated section immediately before receiving the instruction is once completed. Then, the playback may be started from the repeated playback start position after the change. Further, the same applies to the case where the repeated reproduction start position (pa) is changed by an operation such as a numeric keypad (KT).

  In the practice mode in which performance data with performance guide information is used for performance practice, a count-in may be inserted immediately before the start position of the repeated playback section is played back.

  The unit of the length (section width), end position (pb), and start position (pa) of the repeated playback section (Tr) may be a measure as in the embodiment, but may be a performance unit such as a phrase.

  If the repeated playback end position (pb) is changed and the repeated playback start position is calculated before the beginning of the song data, adjustments such as setting the beginning of the song data are performed. At that time, the width obtained by adjusting the section may be stored (the section width may be restored if possible by changing the end position thereafter).

  As for the cancellation of repeated playback, it may be canceled when the repeat release operator (KR) is operated as in the embodiment. For example, when repeated playback is performed a predetermined number of times, automatically, Playback may proceed to the next subsequent section.

It is a block diagram which shows the hardware structural example of the performance data reproduction | regeneration system by one Example of this invention. It is a part of figure which shows the example of a change of the repeat reproduction area by one Example of this invention. It is the other part of the figure which shows the example of a change of the repeat reproduction area by one Example of this invention. It is a part of flowchart which represents an example of the music data reproduction by one Example of this invention. It is the other part of the flowchart showing an example of music data reproduction by one Example of this invention.

Explanation of symbols

KS, KR Repeat playback start / release key / button (repeat playback start / release operator),
KP, KM “+” and “−” keys / buttons (end position change operation buttons),
KT numeric keypad (section width change operator),
Tr Repeat playback section.

Claims (2)

Reproducing means for sequentially reproducing performance data in the normal reproduction mode according to the progress of the song, and when repetitive reproduction mode is entered by an instruction to start repetitive reproduction;
When the performance data is being played back in the normal playback mode, based on a user operation, a repeat start instruction means for instructing the start of repeated playback;
Position determination and repeated playback start means for determining the start position and end position of the section according to the timing at which the repeated playback start is instructed, and causing the playback means to start repeated playback;
In repeat playback mode, based on a user operation, position change instruction means for instructing the change of the end position;
In response to this instruction, the start position and end position determined by the position determination and repeat playback start means are changed so as to be shifted by a predetermined performance unit, and the new repeat playback is performed while maintaining the length of the section. Position changing means for moving a section in the performance data to be moved by a predetermined performance unit;
If the start position changed by the position changing means comes before the beginning of the performance data, adjust the beginning of the performance data to be the start position of the section, and the length of the section shortened by this adjustment Starting position adjusting means for storing
At the timing when the change of the end position is instructed, the reproduction means stops the reproduction of the performance data, and immediately, the start position changed by the position change means or the start adjusted by the start position adjustment means A performance data reproducing apparatus comprising: repetitive reproduction restarting means for starting new repetitive reproduction of performance data from a position. In the normal playback mode, the performance data is sequentially played back according to the progress of the song, and when the repeat playback mode is entered by an instruction to start repeated playback, the performance data includes playback means for repeatedly playing a part of the performance data. To a computer that functions as a playback device,
When the performance data is being played back in the normal playback mode, a repeat start instruction step for instructing start of repeated playback based on a user operation;
In accordance with the timing at which the repeat playback start is instructed, a start position and an end position of the section are determined, and a position determination and repeat playback start step for causing the playback means to start repeat playback;
In the repeat playback mode, based on the user operation, a position change instruction step for instructing the change of the end position;
In response to this instruction, the start position and end position determined in the position determination and repeat playback start steps are changed so as to be shifted by a predetermined performance unit, and the new repeat playback is performed while maintaining the length of the section. A position changing step of moving a section in the performance data to be performed by a predetermined performance unit;
If the start position changed in the position change step is before the start of the performance data, adjust the start of the performance data to be the start position of the section, and the length of the section shortened by this adjustment Starting position adjustment step for storing
At the timing when the change of the end position is instructed, the reproduction means stops the reproduction of the performance data, and immediately, the start position changed in the position change step or the start adjusted in the start position adjustment step A performance data reproduction program for executing a procedure comprising a repetitive reproduction restarting step for starting new repetitive reproduction of performance data from a position.

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