JPH06250649A - Bgm editing device and bgm music constitution recording system - Google Patents

Abstract

PURPOSE:To enable anybody to easily perform technical MA operation with a high degree of perfection. CONSTITUTION:The BGM editing device 1 is equipped with a key input part 13, an FDD 12 which reads music constitution data out of an FD 11 according to key operation, a storage part 22 which stores the music constitution data, storage parts 14 and 20 which store the sound recording time of music, a display part 18 which displays various key operation, music constitution data, etc., a CPU 19 which reconstitutes music matching the sound recording time and finely adjusts a playing tempo according to algorithm included in the music constitution data, a storage part 25 which stores the reconstituted music constitution data, etc. The BGM music constitution recording system is equipped with the BGM editing device 1, a MIDI sound source 27 which converts the output of the device into a sound, reproducing means 29 and sp for monitoring the sound, a means 5 which reproduces video software, sound recording means 6 and 19 which records the MIDI sound source output while synchronizing the operation of the editing device 1 and the operation of the reproducing means 5 with places of the video software where the sound from the MIDI sound source should be recorded.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a BGM (Back Ground Music)
ic) Related to the editing device and BGM music composition recording system,
Specifically, the composition data of the song desired by the user is reconstructed (edited) so that the playing time is as specified by the user.
BGM editing device and the output of this BGM editing device
Converting to an actual music performance with an IDI (Musical Instrument Digital Interface) sound source, and post-recording to video software (complete packet tape) etc. where editing work is completed, dubbing to another video tape and simultaneously recording, BGM
Music composition recording system.

[0002]

2. Description of the Related Art Video tapes for recording landscapes and video software such as computer graphics are edited to create a complete package tape, and then music software such as BGM is recorded on the tape after recording. The task of dubbing the video signal to another video tape using the packet tape as a parent tape and simultaneously recording BGM and the like is MA.
It is called (Multi Audio) and used to require highly skilled work.

The reason is that, for example, in the case of recording a theme song, it is difficult to find the beginning and timing (synchronize) with the method of recording the theme song on an audio tape and then dubbing it, thus requiring a plurality of operators. There was also something to do. Also, when inserting a sound effect, it is difficult to insert it at a timing that surely matches the operation displayed on the screen, and it is common to repeat the operation many times. Further, since it is not easy to replace the effect sound that has been recorded once with another tone color, it is necessary to redo it again, which is a very troublesome work.

As another MA work method, the voice is recorded by a multi-track audio tape recorder, the time code is put together with the video tape on which the video signal is recorded, and both are synchronized by a synchronizer called a synchronizer and operated. If so, it is possible to record in a timely manner, but there is a disadvantage that the system becomes large and the purchase cost of the synchronizer is high. What is more difficult than anything else is the work of cutting and pasting the audio tape in order to match the music with the length of the video scene, and the work of cutting and pasting the music without any breakage is truly craftsmanship.

Therefore, a BGM editing device (MIDI sequencer), which uses a cheaper and more compact system and allows anyone, not only an expert, to perform MA work, was recently developed and sold by a domestic manufacturer. ing. This device uses a floppy disk as a recording medium instead of a magnetic tape, and does not directly record BGM, sound effects, etc., but records a control signal for driving an electronic musical instrument such as a synthesizer as digital data. ing. In addition to the synthesizer, a MIDI device group such as a sampler, sequencer, HD (Hard Disc) recorder,
By controlling a video equipment group such as a video deck with this device, it is possible to record BGM, sound effects and the like at desired recording positions of video signals at a proper timing.

[0006] That is, the BGM editing apparatus described above uses an SMPTE (Society of Motion Picture) recorded on a video tape.
and TV Egineers), etc., enter the time code of the start point and the end point with the keys provided on the operation surface, as well as the start point of any scene.
Matching with BGM can be taken even at the end point. Similarly, at the place where the sound effect is recorded, the timing is easily and surely adjusted by inputting the time code.

As is well known, MIDI is a standard in which performance information such as pitch, length, strength, tone color, sounding timing, etc. is converted into a digital signal and can be transmitted by a single cable. Also, time information is required to save it as performance data, and each company has its own format, but a common format called "Standard MIDI File" has been agreed.

[0008]

By the way, in the case of recording BGM on a video tape recording a landscape or the like, a series of songs are recorded synchronously during a period in which at least one video scene is recorded. It is unnatural and exciting to switch to a different song on the way.
Therefore, adjusting the playing time of a piece of music to the length to be recorded is one of the important tasks in MA work. Conventionally, a method of cutting and pasting a recorded tape is also used, and in this case, it is necessary to cut and paste at a part where beats are separated and a voice is not continuous and musically unnatural. In addition, thousands of songs suitable for various video scenes must be collected in advance so as to facilitate time alignment.

As described above, audio editing has a different work content from video editing, and requires a technique and equipment different from those for video editing. In addition, such tape cutting work
The method of using a hard disk of a personal computer is also becoming popular. This made it possible to cut and paste songs while leaving the original voice data, but the essence of MA work did not change and specialized techniques were still required.

By the way, in the case where the music used as the BGM is hardly known or the music which can be reconstructed relatively freely like the interactive music which has recently started to attract attention, the tempo (performance speed) is considerably high. Even if it changes, it does not give an unnatural feeling to the viewer, but when using a known song to a certain extent, changing the tempo will damage the original image of the song, so the tempo change It is desirable to keep the value of as low as possible and keep it within the range of about 5%. Also, even for a little-known song, a large tempo change can ruin the song,
It is desirable to keep it within the range of about 20% at best. If it is too fast or too slow, the original image (musical idea) of the song will change and it will not match the visual image of the video software, and the recording (or dubbing) work will have to be redone.

Further, in the case of the above-mentioned conventional BGM editing apparatus, since the MA technician having a specialized technique is targeted, the MA technician prepares a music piece having a length close to the length of the video scene, It is designed based on the technical idea of fine-tuning the length of a song by adjusting the tempo. Therefore, it is necessary to use MA technology in order to use such a conventional BGM editing device, and therefore, the music composition recording system using such a device cannot be said to be a system that anyone can easily use.

[0012]

In order to solve the above-mentioned problems, the present invention provides a key input section for inputting various operation instructions and data, and a predetermined recording according to the instruction from the key input section. Playback means for selectively reading the composition data of the music recorded on the medium, a first storage section for storing the composition data of the music read, and a performance to be recorded of the music obtained by key input or the like. A second storage section for storing time, a display section for displaying various key operations and read composition data of music, etc., and song editing work according to algorithms and key inputs included in the read composition data of music. A BGM editing apparatus having at least a central processing unit for performing the above and a third storage unit for storing data of edited music has been developed.

Further, such a BGM editing device, a MIDI sound source for converting an output signal from this device into an audio signal, and
Sound reproduction means for monitoring the audio signal from the MIDI sound source,
A video tape player that reproduces the video software that should record the audio signal from the MIDI sound source as BGM, and the output operation of the BGM editing device and the reproduction operation of the video tape player are synchronized at the recording part of this video software. At the same time, a BGM music composition recording system provided with a recording means for recording a voice signal from a MIDI sound source is provided.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a BGM editing apparatus of the present invention and a BGM music composition recording system using the same will be described with reference to FIG. FIG. 1 is a block system diagram of a BGM music composition recording system according to the present invention, and the system of the present invention is roughly divided into a BGM editing apparatus 1, a video equipment group 2 and an audio equipment group 3 as shown.

Of these, the video equipment group 2 includes a video tape player 5 for reproducing the video-edited video tape 8, a video tape recorder (VTR) 6 for recording on the recording video tape 9, and a video tape. It comprises a video monitor (for example, a CRT) 7 for monitoring the reproduced video signal of the player 5. Video tape 9
Instead of recording the video signal and the audio signal on the video tape player 5, the video tape player 5 is provided with an after-recording function to
Although it is easy to record the audio signal from the audio mixer 28 constituting the audio device group 3 on the audio track No. 3, the following description will be made.

The audio device group 3 includes a MIDI sound source 2
7 (which may be an electronic musical instrument such as a synthesizer), an audio mixer 28, an audio amplifier 29, and left and right speakers Sp1 and Sp2. In this embodiment, the audio signal is 2ch (channel), but monaural can be easily configured. When using 2ch as shown in the figure, how to distribute audio signals is MI
This is realized by adding well-known sound image localization information to the audio signal generated by the DI sound source 27. When the audio signal is not recorded on the video tape 8 or when it is not necessary to dubb it even if it is recorded, the audio mixer 28 is omitted and the output of the MIDI sound source 27 is set to the VTR 6 and the audio amplifier. It can also be configured to feed 29 directly.

Next, the detailed configuration and functions of the BGM editing apparatus 1 which is the main part of the BGM music composition recording system will be described. Reference numeral 11 is an FD (for example, a 3.5-inch floppy disk) in which a plurality of pieces of music data are recorded. The data of each song is the well-known MIDI song data (for example, format 0 of the Standard MIDI File for playing with a MIDI tone generator).
Format data), music composition data and allowable tempo data. The music composition data is data of the performance time of each part that composes the music, such as the introduction part, the subject part, and the development part, and the number of beats is used as a unit. The allowable tempo data is data of the minimum and maximum values of tempo that can hold the musical idea of the music. Reference numeral 12 denotes an FDD (floppy disk drive), which reads music data from the FD 11 and records music data reconstructed by this system in the FD 11.

Reference numeral 13 denotes a key input unit for instructing various operations and the like in the BGM editing apparatus 1 such as selection of a music piece, and includes various buttons described later. Also, 1
Reference numeral 4 is a performance time counter, and when frame information (for example, the number of vertical synchronization signals, VISS, VASS, etc.) is supplied from the video tape player 5 via the interface 15,
The playing time is calculated based on it. The interface 15 uses, for example, the well-known RS-422 standard,
The video tape player 5 is provided with a remote control function (for searching a video scene to be played) and a function for supplying frame information to the playing time counter 14 (for playing time counting).

A MIDI interface 16 converts a performance command issued from a CPU (central processing unit) 19 into a MIDI standard signal and outputs it to the MIDI sound source 27, where it is converted into an audio signal. There is. LCD (liquid crystal)
The panel 18 displays a menu screen for making various settings described later, and is driven by the LCD driver 17. In addition, instead of the LCD panel 18, LED
The display unit may be configured using a panel such as a fluorescent display tube or a fluorescent display tube.

Further, 20 is a memory section, which is MIDI
Music data memory 21, music composition data memory 22, allowable tempo memory 23 (the above data is read from the FD), tempo determination memory 24 (tempo data calculated according to playing time), and composition determination memory 25. (The composition data of the song calculated according to the playing time). Finally, the CPU 19 uses the memory unit 20 and the FDD 1 described above.
2, playing time counter 14, MIDI interface 1
Data exchange with 6, etc., data management, various calculations,
It also controls the operation of the LCD driver 17 and the like.

Here, a specific example of the appearance of the BGM editing apparatus 1 is shown as a perspective view in FIG. In FIG. 2, BG
An LCD panel 18 is provided substantially in the center of the upper surface of the M editing apparatus 1, a joystick 32 for adjusting the playing time is provided on the right side thereof, and a power switch 33 is provided on the upper left side thereof. Further, 31 is an insertion opening of the FD, in which F
DD (both not shown) is provided. 34 is a menu button, 35 is an item move button, 36 is a pause button, 37 is a stop button, 38 is a play button, 3
Reference numeral 9 is a set button, and 40 is a reset button, which constitute the key input unit 13.

Further, 41 is the above MIDI interface (1
Reference numeral 6 is a cable for outputting a MIDI signal to the MIDI sound source 27, and 42 is a remote control signal transfer cable. Further, 43 is a well-known GPI (General Purpose Interface)
The cable 43 is a pulse receiving cable, and is used when the cable 43 is configured to perform start and end operation control using the SMPTE time code, for example.

The arrangement of the above buttons and the LCD panel 1
Of course, the position, size, etc. of 8 are not limited to the example shown in the figure, and a touch panel is used on the LCD panel 18 to display all the buttons on the LCD panel 18 (that is, the LCD panel 18 and key input). It is also possible to integrate the unit 13}. Further, in order to measure the length of performance time to be recorded, instead of using the frame information from the video tape player 5, for example, a stopwatch with 1/10 seconds is used to look at the video monitor 7. You can measure it. Since each device in the video device group 2 and the audio device group 3 can use a conventionally well-known device, the illustration of its specific appearance is omitted.

Here, in describing the method of using the system of the present invention (in particular, the BGM editing apparatus 1), FIG. 5 will be described first for convenience of description. FIG. 5 is a one-column table showing an example of the music composition data, and the music composition data is previously composed (composed) by the composer and recorded in the FD 11. In addition, F which recorded MIDI song data
Although D is already on the market, the FD which is used in the present invention and which contains MIDI music data with music composition data is also new.

As shown in FIG. 5, the music composition data for one music is the performance data of the music (standard composition S) and the allowable tempo data T.
It consists of three types of data: (3) and song composition data (all other data). M and n in () are arbitrary natural numbers (m = 1 to 3, n = 11 in this example), and the number of blocks N = 11
Means that this song consists of 11 kinds of blocks such as START, I (Intro), A, B, E (Ending). STA
RT and END are block codes for convenience, which indicate the start and end of the song, and do not have the number of performance beats.

All others have the number of beats that is an integral multiple of 4 (or 2). Therefore, when the tune has four beats, the block I,
It goes without saying that I'is 2 bars, blocks A, A ', B are 4 bars, and so on. Of course, the number of beats of each block is a multiple of 3 when the music has 3 beats, and is a multiple of 6 when the music has 6 beats. Numbers 1 to 3 of the source number M (n) are the number of blocks that can be connected immediately before each block described in the second line, and the connectable block names are listed in the next line as source names. There is.

Therefore, in this example, when B'is played,
This means that you can go back to START and replay the source (block) I (see the column for standard configuration S). When the connection algorithm example of FIG. 5 is expressed in a Shannon diagram, it becomes as shown in FIG. Also, in the column of mandatory blocks in the next line, the part where L (n) = 1 means a block that must be used,
Others are weighted and selected by the priorities 1 to 7 in the next row. In the example of FIG. 5, the upper limit of the allowable tempo is 130.
(Beats / minute), the lower limit is 110, which means that 120 is the standard tempo.

As described above, the music composition data includes, in addition to the specific composition block data A (n) of the music, data B (m, n) of the relationship between an arbitrary block and another block, The performance priority data K (n) and other data are included, and according to the performance time input by the user, the performance composition algorithm stored in the memory unit 20 causes a block to be repeatedly played or a single performance. The CPU 19 automatically selects a block to be skipped, and finally finely adjusts the tempo in the manner described above.

Note that the tone color designation data can be similarly set if necessary, but it is omitted in FIG. In this way, the music data adjusted to the length of the video scene can be stored in the FD 11 by the above operation under the judgment of the user. Note that only the performance data of the above three types of data can be stored. That is, only the original song data provided by the composer can change the length of the song.

Next, a procedure for inputting music composition data will be described. The music composition data is input by the composer using a predetermined personal computer and software (program) together with the music performance data and the allowable tempo data.
It is recorded in D11. The input procedure is as follows. Enter the song (title) name, the number of blocks that make up the song, and the required block number. Enter the performance priority of each block. this is,
In order to correspond to the playing time designated by the user, the information is information for specifying a block that is not played.

For each block, a block that can be connected and played to the block is input. In addition to the above-mentioned designation, this is the information necessary to obtain a musically natural connection when the deletion candidate blocks are deleted. Also, information on blocks that can be repeatedly played is obtained from this data. Enter the beat count for each block. In the performance data of the song,
For each data, the time from the execution of the previous data is given on a time scale with the resolution of a quarter note as a unit (1 beat). However, since the delimiter data for each block to be played is not given, it is included in the music composition data. Enter the standard performance order (S) of the song.

The above is the work of the composer, and the user uses the FD 11 in which various data as described above are recorded for each song.
It is mounted on the FDD 12 in the M editing apparatus 1 and played back, and BGM
Although the editing work is performed, the specific work contents will be described with reference to all the drawings. Figure 3 shows LCD
It is various display screens displayed on the panel 18, and FIG. 4 is a flowchart for explaining an example of the editing operation.
It should be noted that each device of the video device group 2 and the audio device group 3 is preliminarily supplied with power. The FD 11 may be attached before or after the BGM editing apparatus 1 is turned on.

When the power switch 33 shown in FIG. 2 is closed (ON), the CPU 19 is activated and the operation is started according to the program stored in the memory section 20. Specifically, CP
U19 first drives the LCD driver 17 to cause the LCD panel 18 to display a title screen 51 as shown in FIG. Then, after several seconds, the main menu screen 52 is automatically switched and displayed, and the operation menu selection waiting state is entered. Therefore, the user presses the item movement button 35 (35b) in FIG. 2 to select a desired work mode (as it is in the SONG PLAY mode), and presses the set button 39 to enter (work mode input).

On the main menu screen 52 of FIG. 3,
The SONG PLAY mode is a mode in which the song data stored in the FD11, which is specified by the user, is converted into an actual sound with a MIDI sound source and the performance is output from the speaker.
In the ONG STRUCTURE mode, the user only needs to specify one of the song data recorded on the FD11 and the playing time.
This is a mode in which the editing device 1 automatically calculates the tempo and composes the song and reconstructs (edits) the song.
The TRUCTURE mode is a mode for the user to manually compose a song (in that case, the BGM editing apparatus 1 automatically sets only the tempo within an allowable range).

Now, when the user selects the SONG PLAY mode, the LCD panel 18 displays the performance menu screen 53 shown in FIG.
Is displayed. This shows the name of each song data recorded on the FD11 (sometimes abbreviated as "song name" below) and its standard performance time (unit: minutes: seconds). Is a cursor. This cursor is moved by the joystick 32 (or item move button 35), and when the user presses the set button 39 after aligning this cursor with the desired song, the No. (number) is displayed to the left of the song name in the order of pressing. The CPU 19 calculates the total playing time of the added and selected song, and the calculated playing time is displayed at the bottom of the screen 53 as illustrated.

When the play button 38 is pressed in this state, MIDI is transmitted via the CPU 19 and MIDI interface 16.
Signal is output, MIDI sound source 27, audio mixer 2
Music is output from the left and right speakers Sp1 and Sp2 through the audio amplifier 8 and the audio amplifier 29 in the selected order without interruption. In that case, it goes without saying that the video equipment group 2 is not operated (that is, no recording is performed), and only the audio equipment group 3 is operated for trial listening. If you want to listen to all the songs recorded on the FD11, the performance menu screen 53
This can be realized by pressing the play button 38 before the music selection operation when is displayed. If the user memorizes the idea of each song, AUTO SONG STRUCTU
It will be useful for song selection work in RE mode and MANUAL SONG STRUCTURE mode.

When it is desired to stop the performance on the way, the stop button 37 is pushed, and when it is desired to interrupt (temporarily stop), the pause button 36 is pushed to give an instruction. Further, the reset button 40 is used to cancel the designation of the selected song {move the cursor "→" to the song name to be canceled}, and the menu button 34
Press to cancel SONG PLAY mode and return to the main menu screen.

Next, when the user selects the AUTO SONG STRUCTURE mode, the LCD panel 18 displays the automatic configuration menu screen 54 of FIG. In the LOAD FILE column in the figure, each song data name displayed on the performance menu screen 53 is shown one by one, so the user tilts the joystick 32 downward (or upward) while watching it (or When the desired music is displayed, the set button 39 is pressed to select and confirm. This
MIDI song data, song composition data, and allowable tempo data are stored in the MIDI song data memory 21, song composition data memory 22, and allowable tempo memory 23 in the memory unit 20, respectively. This work is to read the configuration data of the steps in the flowchart of FIG. 4, and in the PLAY TIME column on the next line,
Similar to the bottom of the performance menu screen 53, the performance time in the standard configuration is displayed.

After the work for selecting the music composition data is completed, the user presses the item movement button 35 (35b) to input the recording time (performance time to be recorded) which is the next work item (see FIG. 4).
Step). That is, when the item move button 35 is pressed, the PLAY TIME column is switched from the playing time display to the recording time input acceptance mode. When the recording time is input, the CPU 19 calculates the beat number B = (recording time) / (standard tempo) (step), the calculated beat number Bm of the selected music composition data (step),
Then, the tempo is adjusted {step, (16)} and reconstruction is performed in accordance with a work procedure to be described later to create music composition data having a length according to the designated recording time.

As a concrete input method of the recording time, for example, programming is performed so that a predetermined time (for example, 30 seconds) is automatically displayed at the time of switching to the input acceptance mode, and the program is started from that time. By tilting the joystick 32 upwards or downwards, the time is increased or decreased to match the desired recording time with an accuracy of, for example, 1/10 second or one frame. In that case, minutes and seconds (1 more
The input switching of / 10 seconds or the number of frames) is configured to be performed by tilting the joystick 32 leftward or rightward to change the line.

Alternatively, the recording time may be calculated by the CPU 19 by inputting the time code at the recording start point and the recording end point by using the time code displayed on the upper right of the video monitor 7, for example. Good (step). Further, as another input method, for example, a ten key (not shown) may be provided on the upper surface of the BGM editing apparatus 1 and the various numerical values may be input by pressing the ten key.

When the recording time is set in this way, C
The PU 19 uses the recording time as standard tempo data (see FIG. 5).
Immediately calculate the performance beat number B by dividing by T (3) = 120} (step). This is the recording time converted into the number of beats at the standard tempo. Subsequently, the beat number data H (n) of FIG. 5 is added to calculate the performance beat number Bm (step). It should be noted that the number of performance beats Bm is the number of performance beats when the standard configuration S (II '... EE') of FIG. 5 is played once (the added value of the number of beats shown in the column of the number of beat data H (n)). If the number of beats Bm is luckily equal to the number of beats B to be played, the composition of the music is determined (step,) and stored in the composition determination memory 25 (step ').

Normally, the set recording time and the standard playing time (the time when the standard configuration S is played only once at the standard tempo) are rarely equal to each other. Therefore, the playing tempo is set according to the difference between the two times. Speed up or slow down {steps,
(16)} to match the standard performance time with the recording time. Then, if the (finely) adjusted performance tempo is within the range of the permissible tempo designated in advance, the {step, (17)} configuration is determined (step) and stored in the configuration determination memory 25 as described above.

If the performance tempo matched with the above recording time exceeds the allowable range, {step, (18)}, in accordance with the priority order shown in the column K (n) of FIG. 5, Delete low blocks one by one {step (11)} or add blocks with high priority {step (2)
0)}, the song data is reconstructed {steps (13), (2
1)}, the beat number Bm of the reconstructed music data is recalculated (step), and by adjusting the tempo within the allowable tempo range, the composition of the music is determined if it matches the above recording time (step).

This work will be described in more detail with reference to the data shown in FIG. 5. First, when Bm> B, the tempo when the performance of the standard configuration S is exactly equal to the recording time is 130. If it exceeds (beats / second), try deleting E ', which is the lowest priority block {step (1
1)}. Then you will move directly from E to END, but since you can see that such a connection is possible from the column of B (m, n), rebuild and set the song with E'deleted {step (12) , (13)} The beat number Bm is calculated again (step). If the connection after the deletion is impossible, the block (I ') having the next lowest priority is deleted instead of E', and the same check is performed thereafter.

Should there be no blocks that can be deleted,
The CPU 19 judges that it cannot be configured {step (14)} "Ch
A song change message such as "ange Music!"
Is displayed in the column of {step (15)}. Therefore, the user returns to the LOAD FILE work mode by pressing the item move button 35a twice, redoes the music selection work (step), and redoes the work after the step. If you program the steps so that the work order is reversed, you only have to enter the performance time once. You can also change the playing time by using the item move button 35a.
This can be easily done by switching to the input acceptance mode for the above recording time by the operation of. Then, when the configuration is determined, it is stored in the configuration determination memory 25 as described above.

If Bm <B, that is, if the tempo when played to match the recording time is slower than the permissible range 110 (beats / second), the above priority and the connection algorithm of FIG. 6 are checked. Add and insert blocks according to
Set reconstruction data {steps (18)-(21)}. Specifically, in the standard configuration S, in the example of FIG.
It is clear from Figure 6 that B'can be inserted. If the number of beats is still insufficient, instead of BB ', ABB', then A
Blocks are added and connected in the order of A'BB ', ....

After the configuration is determined as described above,
When the user presses the item move button 35 (35b) to enter the PLAY mode, the CPU 19 reads the music composition data stored in the composition determination memory 25 and performs a performance according to the same operation principle as the music performance in the performance menu mode. . In this case as well, it is needless to say that the video equipment group 2 is not operated, and only the audio equipment group 3 is operated for trial listening.

Further, when the user operates the item moving button 35a to select the SAVE mode and presses the set button 39, the music composition data recording mode to the FD 11 is set. As a result, the LCD panel 18 is switched to the file save menu screen 56 shown in FIG. In this work menu, the titles of the composed songs are added, and re-editable / non-editable is identified. "Cannot be re-edited" means that the configuration is determined and FD1
It means that it is prohibited to re-read and reconstruct the song once recorded in 1. For example, at the time of SAVE work, it is specified by inputting "x" after adding a title name,
"Re-editable" may be defined by inputting "○".

When English characters are used as characters for the title name, 26 English character keys may be provided on the upper surface of the BGM editing apparatus 1. However, as shown in FIG. A program for displaying the characters A to Z on the character display portion 56a on the right side, tilting the joystick 32 downward or upward to move the cursor →, and selecting the desired character by pressing the set button 39 is selected. With this configuration, the hardware can be simplified as compared with the case where the English character key is provided, and the design of the editing device 1 can be made smaller. If you want to be able to use numbers as well, tilt the joystick 32 to the right or left to display the numbers 0-9 on the character display section 56a and select the numbers by moving the cursor and operating the set button 39 as above. To do.

Further, by tilting the joystick 32 to the left or right, the above-mentioned ◯ and X are displayed on the character display portion 56a, and either one is selected to make the data re-editable and non-editable. Then, when the set button 39 is pressed after the title name is decided, the CPU 19 checks whether or not the above-mentioned ○ and × exist, and
It is convenient to configure the program so that a message such as "Rename filename!" Is displayed on the message display section 56b if "Yes", and a message such as "Are you sure?"

By pressing the set button 39 after the message "Are you sure?" Is displayed, the memory section 20
The music composition data stored in the music composition data memory 22 or the like therein is recorded in a predetermined portion of the FD 11. Record (write)
After that, the screen automatically returns to the original screen, that is, the automatic configuration menu screen 54. When the original screen is the manual configuration menu screen 55, the screen automatically returns to it. The manual configuration menu screen 55 is the main menu screen 52.
Is displayed by selecting and confirming the MANUAL SONG STRUCTURE mode by operating the item move button 35 and the set button 39.

This MANUAL SONG STRUCTURE mode is a mode for the user to manually compose music, and among the work, the contents similar to the work in the AUTO SONG STRUCTURE mode are omitted, and the differences are described. Only, Figure 3
-It demonstrates, referring also to FIG. The main difference between the manual composition and the automatic composition is that the user selects the blocks composing the music and the performance tempo is specified by the user. When the user increases or decreases the performance tempo and designates a performance block, the CPU 1
9 calculates the playing time and displays it on the LCD panel 18 (see the manual configuration menu screen 55). Even if there is no limit on the recording time, it is convenient to select this MANUAL SONG STRUCTURE mode when working.

By the way, in the PLAY mode of the BGM editing apparatus 1, the MIDI tone generator 27 converts the musical composition constituted as described above into an actual musical tone and outputs it to the audio mixer 28, as described above. When not only a video signal but also an audio signal is recorded on the video tape 8 which is a master tape, it is reproduced by the video tape player 5 and then mixed by the audio mixer 28,
It is recorded at the same time as recording on the VTR6. that time,
As a matter of course, the image monitor 7 and the speakers Sp1 and Sp2 monitor images and sounds, respectively.

By equipping the BGM editing apparatus 1 (and the video tape player 5) of the present invention with a time code reader, it becomes possible to perform a synchronous operation with the video tape 8 with a time code, and the performance (recording) start time. And the error of the end time is further reduced. Specifically, this is realized by inputting a remote control signal from the video tape player 5 via the interface 15. Further, by making the BGM editing apparatus 1 compatible with a standard MIDI file format disc, it is possible to play standard MIDI file song discs sold by other companies.

Further, by mounting a MIDI auto fader on the BGM editing device 1, even a song of a standard MIDI file which is currently on the market can be easily faded out, and a general CD (Compact D
BG that is easier to use than BGM recording system that uses isc)
An M music composition recording system can be configured. Furthermore, by adopting the MIDI ducker function in the BGM editing apparatus 1, it is possible to automatically lower the volume of the MIDI sound at the narration portion previously recorded on the video tape 8.

In the above description, the BGM editing device 1
Although the music reconstructed (including music composition) was BGM, its use is not limited to the video software BGM, and it can be used independently. Also, an example was described in which BGM music was dubbed onto another video tape together with the video signal from the complete package tape and simultaneously recorded, but the present invention is not limited to this, and a system should be built so that the complete package tape itself is recorded after recording. It is also easy to do, and the video software is not limited to that captured by a video camera, but it can also be used for video software created by a computer such as a personal computer, and the multimedia field is expected to grow in the future. Application to can be expected.

[0058]

Since the BGM editing apparatus and the BGM music composition recording system of the present invention are configured as described above, the BGM
When only the editing device is used, automatically reconstruct (edit) a song desired by the user from a plurality of song composition data recorded in the FD so that the playing time is as specified. You can Further, when the BGM music composition recording system is used, BGM music can be reconstructed by freely selecting one of the plurality of music composition data that matches the atmosphere of the video scene, and the video scene can be temporally modified. Since it is possible to record with certainty, it is said that anyone can easily perform the difficult MA work, which was conventionally regarded as an expert's work, that is, the BGM recording (or dubbing) of a video work, with a high degree of perfection. It has excellent features.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a music composition recording system of the present invention.

FIG. 2 is an external perspective view of a BGM editing device of the present invention which is a main part of the system.

FIG. 3 is a diagram showing various display screens displayed on the LCD panel of the BGM editing device.

FIG. 4 is a flowchart for explaining an example of the operation of the BGM editing device of the present invention.

FIG. 5 is a one-column table showing a specific example of music composition data.

FIG. 6 is a principle diagram expressing an example of a connection algorithm in automatic configuration in a Shannon diagram style.

[Explanation of symbols]

1 ... BGM editing device, 2 ... video device group, 3 ... audio device group, 5 ... video tape player, 6 ... VTR, 7
… Video monitor, 8, 9… Video tape, 11… FD, 1
2 ... FDD, 13 ... Key input part, 14 ... Performance time counter, 15 ... Interface, 16 ... MIDI interface, 17 ... LCD driver, 18 ... LCD panel, 1
9 ... CPU, 20 ... Memory part, 21 ... MIDI song data memory, 22 ... Song composition data memory, 23 ... Allowable tempo memory, 24 ... Tempo determination memory, 25 ... Configuration determination memory,
27 ... MIDI sound source, 28 ... Audio mixer, 29 ... Audio amplifier, 31 ... FD insertion slot, 32 ... Joystick, 33 ... Power switch, 34 ... Menu button,
35 ... Item move button, 36 ... Pause button, 37 ... Stop button, 38 ... Play button, 39 ... Set button, 40 ... Reset button, 41-43 ... Cable, 5
1 ... Title screen, 52 ... Main menu screen, 53 ...
Performance menu screen, 54 ... Automatic configuration menu screen, 55
... Manual configuration menu screen, 56 ... File save menu screen, Sp1, Sp2 ... Speaker.

Claims (2)

[Claims] 1. A key input section for inputting various operation instructions and data, and selectively reading composition data of music recorded on a predetermined recording medium in response to an instruction from the key input section. Playback means for outputting, a first storage section for storing the composition data of the read piece of music, a second storage section for storing the playing time of the piece of music obtained by key input or the like, and various keys. A display unit for displaying operations and the read composition data of the music, a central processing unit for editing the music in accordance with the algorithm contained in the read composition data of the music and the key input, and A BGM editing device including at least a third storage unit that stores data of a song. 2. The BGM editing device according to claim 1, and the BG.
A MIDI sound source for converting an output signal from the M editing apparatus into a sound signal, a sound reproducing means for monitoring the sound signal from the MIDI sound source, and a video software for recording the sound signal from the MIDI sound source as BGM. The video tape player and the part of the video software where the BGM should be recorded,
A BGM having at least recording means for recording the audio signal from the MIDI sound source while synchronizing the output operation of the BGM editing apparatus and the reproduction operation of the video tape player.
Music composition recording system.