JPH0850481A - Automatic player - Google Patents

Abstract

PURPOSE:To execute additional memory with simple operation by suppressing sound production of automatic playing after detection of a playing operation and storing the playing information formed in synchronization with the time of automatic playing when the playing operation is detected during the automatic playing. CONSTITUTION:Whether the sound production timing of the automatic playing data read out of a RAM 3 comes or not is decided when a player selects the playing data by a panel 4 and selects the automatic playing (additional memory) processing. The sound production processing is executed in accordance with this playing operation and the manual playing data is stored in the RAM 3 if there is the playing operation by the player in case the result of the decision is not. A CPU 1 adds the prescribed value corresponding to the tempo information of the music to an interval measurement timer every time by periodic timer interruption processing. The CPU sets the time interval data with the immediately previous automatic playing information by referencing the timer value as the interval data of the first playing information and records the position information of the immediately previous automatic playing information in the case of synthesizing of the playing information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic performance device, and more particularly to an automatic performance device capable of additional recording by a simple operation during automatic performance.

[0002]

2. Description of the Related Art In a conventional automatic performance apparatus, when additional recording for rerecording a part of recorded performance information is performed, an additional recording start point and an end point are designated in advance or an automatic performance is performed. The system is configured so that the recorded performance information is recorded again by another device, and the start point and the end point of the additional storage are designated by the operation timing of the switch not recorded as the performance data.

[0003]

In the conventional automatic performance apparatus as described above, for the purpose of additional recording, it is possible to specify the starting point and ending point of additional recording before recording, and to operate switches irrelevant to the performance. There was a problem that it was necessary and the operability was poor. SUMMARY OF THE INVENTION An object of the present invention is to improve the above-mentioned problems of the prior art and to provide an automatic performance device capable of additional recording by a simple operation.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to an automatic performance device for reading recorded performance information and playing the performance information, based on the detection means for detecting a performance operation during the automatic performance and the detected performance operation. A generation means for generating performance information synchronized with the timing of the automatic performance, a storage means for storing the performance information output from the generation means, and a subsequent recording when a performance operation is detected by the detection means. It is characterized in that it is provided with deterrent means for deterring the pronunciation of the automatic performance by the performance information.

[0005]

According to the present invention, when the performer performs a play operation for additional storage by the means as described above, the additional storage state is automatically established, and the performance information of the automatic performance is suppressed from sounding, so that the performance of the performer is improved. Based performance information is pronounced and stored. Therefore, the performer can concentrate on the performance for additional storage.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 2 is a block diagram showing the configuration of an electronic musical instrument to which the present invention is applied. The CPU 1 is a central processing unit that controls the entire electronic musical instrument based on a control program stored in the ROM 2. The CPU 1 has a built-in timer circuit that issues a timer interrupt to the CPU 1 at a set predetermined cycle. The RAM 3 is used as a work area and a buffer for storing performance information. In addition, it is configured to be backed up by a battery so that the set information can be retained even when the main power is turned off.
The panel 4 has various switches such as timbre and effect selection switches, and a display device for displaying characters and figures by liquid crystal, LEDs and the like.

The keyboard 5 comprises, for example, a keyboard composed of a plurality of keys each having two switches, and a circuit for scanning the state of each switch. The MIDI interface circuit 6 performs transmission / reception processing of MIDI signals, and the FDD (floppy disk drive) interface circuit 7 includes a floppy disk drive device.
Reads and writes performance information from the floppy disk. The tone generator circuit 8 includes, for example, a plurality of tone generation channels that generate tone signals by reading tone waveforms from the waveform memory at address intervals proportional to the pitch. In practice, one circuit is time-division multiplexed. It is realized by this. The D / A converter 9 converts the digital musical tone signal into D
A / A conversion is performed, and the amplifier 10 amplifies the tone signal to drive the speaker 11. The bus 12 connects each circuit in the electronic musical instrument. In addition to this, a memory card interface circuit or the like may be provided if necessary.

FIG. 1 is a time chart showing the operation of the present invention when additional storage is performed during automatic performance. The performance information of the music is, for example, performance information units arranged in the order of performance (time), and the performance information unit is a variable-length MIDI.
The data is a set of information and interval data which is performance timing information. The interval data indicates the time difference from the immediately preceding MIDI information. The figure shows how performance information is generated at time intervals based on the interval data set in each performance information.

Here, if the performer operates the keyboard or the panel at a desired timing, it is considered that the performance is started,
Additional storage is started. During the additional storage period, the manual performance data based on the performance of the performer is processed to generate sound,
For example, it is recorded in a predetermined area of the RAM 3. As the interval data of the first performance information, the time interval data from the immediately preceding automatic performance information is set. The subsequent operation is the same as the normal recording operation. During this time, only the timing process is executed for the automatic performance information, and the tone generation process is not executed. Then, for example, turning on a predetermined switch,
When the performer performs an operation to end additional memory, the additional memory period ends,
The original automatic playing state is restored.

FIG. 3 is a flowchart showing an additional storage process to which the present invention is applied. When the performer selects performance data (song) from the panel and selects automatic performance (additional storage) processing, the automatic performance data is read out in step S1. The automatic performance data is stored in, for example, a floppy disk. First, a predetermined amount of performance data is read into a buffer in the RAM 3, and the performance data is read from the buffer one by one. When the remaining data in the buffer falls below a predetermined amount, the next performance data group is read from the floppy disk.

In step S2, it is determined whether or not the sounding timing of the read performance data has come. If the result is affirmative, the process proceeds to step S3 to perform sounding processing of the performance information. Be seen. The CPU 1 adds a predetermined value corresponding to the tempo information of the music to the interval measurement timer every time by the periodic timer interrupt processing as shown in FIG. When the timer value exceeds the interval data of each performance information, it is determined that the sound generation timing has arrived, and the process proceeds to step S3,
Reset the timer.

When the result of the determination in step S2 is negative, the process proceeds to step S4, and in step S4, it is determined whether or not the player has performed a keyboard or panel (tone color, volume, tempo, etc.) performance operation. . And
If the determination result is negative, the process returns to step S2, but if the determination result is affirmative, the process proceeds to step S6. In step S6, sound generation processing is executed based on the performance operation of the performer, and in step S7, the manual performance data is stored in the RAM.
3 is recorded in a predetermined area. As the interval data of the first performance information, the time interval data from the immediately preceding automatic performance information is set by referring to the above-mentioned timer value, and the position of the immediately preceding automatic performance information required when synthesizing the performance information is set. Information is also recorded.

In step S8, the timing processing of the automatic performance information similar to that in step S2 is performed, and when the timing comes, the process proceeds to step S9. In step S9, the tone generation process is not performed, and only the next automatic performance data is read out, and the process returns to step S8. In step S10, it is determined whether or not there is a performance operation, and if the result is affirmative, the process returns to step S6, and sound generation and recording processing are performed. In step S11, it is determined whether or not an operation for ending the additional storage is performed, for example, by turning on a predetermined switch. If the result is negative, the process returns to step S8, but if the result is affirmative, the process proceeds to step S12. .

After step S12, the normal automatic playing state is resumed. In step S12, the same timing processing as in step S2 is performed. If the determination result is affirmative, the process proceeds to steps S13 and S14 to produce the sound and the next sound. The automatic performance data is read. In step S15, it is determined whether the automatic performance data has been read to the end or whether the operation of ending the automatic performance has been performed.
If the result is affirmative, the process ends.

Although the embodiment has been described above, the following modifications are also possible. Although an electronic musical instrument having an automatic performance function has been disclosed in the embodiment, it may be applied to an automatic performance device for inputting and outputting a MIDI signal, for example. That is, the performance information may be generated internally or input from the outside, or the performance information may be output to the outside by, for example, a MIDI signal, and a tone generator circuit is built in to control the generation of musical sounds internally. It may be performed. Although the example in which the additional storage data is temporarily recorded in another area of the RAM has been disclosed, a performance information file newly synthesized may be generated during the additional storage. Regarding the processing of the additional storage data stored separately, the function of playing (reproducing) the entire song together with the automatic performance data, or only the additional storage portion,
It may have a function of synthesizing with the original automatic performance data to generate a new automatic performance data file, a function of canceling additional storage, and the like. Key-off processing may be performed on the automatic performance information during key-on at the start of additional storage, or more rapid mute processing may be performed on key-on immediately before the start of performance. Further, when the additional storage data is combined with the automatic performance data, the performance information in the mute period is deleted, but the key-on information in the predetermined period immediately before the start of additional storage may also be deleted.

[0016]

As described above, according to the automatic performance apparatus of the present invention, when the performer performs a performance operation for additional storage, the additional storage state is automatically established and the performance information of the automatic performance is not pronounced. Is suppressed, performance information based on the performer's performance is pronounced,
And remembered. Therefore, the player can concentrate on the performance for additional storage.

[Brief description of drawings]

FIG. 1 is a time chart showing an operation when additional storage is performed during an automatic performance.

FIG. 2 is a block diagram showing a configuration of an electronic musical instrument to which the present invention is applied.

FIG. 3 is a flowchart showing an additional storage process to which the present invention is applied.

FIG. 4 is a flowchart showing timer interrupt processing.

[Explanation of symbols]

1 ... CPU, 2 ... ROM, 3 ... RAM, 4 ... Panel, 5
… Keyboard, 6… MIDI interface, 7… F
DD interface, 8 ... Sound source circuit, 9 ... D / A converter, 10 ... Amplifier, 11 ... Speaker, 12 ... Bus

Claims (2)

[Claims] 1. An automatic performance apparatus for reading recorded performance information and performing the performance, a detection means for detecting a performance operation during the automatic performance, and a performance synchronized with the timing of the automatic performance based on the detected performance operation. When the performance operation is detected by the generation means for generating information, the storage means for storing the performance information output from the generation means, and the detection means for detecting the performance operation, the automatic performance sound generation based on the performance information recorded thereafter is generated. An automatic performance device having a deterrent means for deterring. 2. An additional storage end operation detecting means is further provided,
The automatic performance device according to claim 1, wherein when the additional storage end operation is detected by the means, the inhibition by the inhibition means is stopped.