JP2010286590A - Electronic music device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic music device which adequately and simply makes settings, suitable for vocoder control, to a sound source or an effector. <P>SOLUTION: An effect-adding means has: an effect-adding function which controls musical sound signals which are generated by a sound source, to add an acoustic effect; and a vocoder function which controls the musical sound signals which are generated by the sound source, on the basis of the characteristics of voice signals, to generate a vocoder sound. In this case, instructions to urge a user to set a parameter necessary for change from the effect-adding means to the vocoder function are presented to the user when settings for supplying the vocoder function with a voice-signal supply destination are made. By this, the user adequately and simply makes settings which are suitable for the vocoder control, at least to an effector. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an electronic music apparatus capable of vocoder control that processes a musical instrument performance sound based on the characteristics of sound input from a microphone or the like to generate a so-called robot voice (vocoder sound). In particular, the present invention relates to a technique that can appropriately perform settings suitable for vocoder control for a sound source and an effector in accordance with a user setting a voice signal supply destination to a vocoder.

  Conventionally, a simple sound effect (effect) such as reverb is applied to an audio signal input from a microphone or the like to output it together with a musical instrument performance sound based on a musical sound signal generated by a sound source or the like. 2. Description of the Related Art An electronic music apparatus such as an electronic musical instrument having a multi-effector capable of vocoder-controlling a musical instrument performance sound based on a signal to generate a robot voice is known. As is known in the art, a vocoder is a type of so-called effector that imparts a sound effect to a musical sound signal. In particular, the vocoder extracts the characteristics of an input audio signal and uses it to generate a sound source or the like. This is for vocoder control that processes the musical instrument performance sound. When the vocoder control is performed, for example, the user can sound a musical instrument performance sound like a robot voice (also called a vocoder sound) by operating a performance operator such as a keyboard while using a microphone. For example, the device described in Non-Patent Document 1 shown below is an example of a device related to such a device.

“MOTIF XS Instruction Manual”, 2007, Yamaha Corporation, Internet <http://www2.yamaha.co.jp/manual/pdf/emi/japan/synth/motifxs_ja_om_d0.pdf>

  By the way, in the conventional apparatus described in Non-Patent Document 1 described above, a setting procedure for vocoder-controlling a musical instrument performance sound based on an audio signal input from a microphone or the like, that is, a multi-effector (hereinafter simply referred to as an effector). As a setting procedure for operating (functioning)) as a vocoder, the user sets the audio signal supply destination to the vocoder and sets parameters suitable for vocoder control for the sound source and effector (which may be only the effector). Must be done. For example, effect parameters must be set so that at least an effector is an algorithm for vocoder control, and a timbre that specifies a timbre (voice) suitable for a vocoder is not required for a sound source. It is desirable to set parameters.

  As described above, the conventional electronic music apparatus can be operated according to a plurality of parameter settings by switching the effector to either the effect providing function for simply controlling the musical sound signal and applying the acoustic effect or the vocoder function. It has become. Here, in order to operate the effector as a vocoder, the setting of the audio signal supply destination and the setting of the sound source and the effector (parameter setting) are separately set by the user using the screens read out appropriately. It has become. However, the setting of the audio signal supply destination and the setting of the sound source and effector cannot be sequentially performed according to a series of procedures (the screen does not transition to the corresponding screen according to the vocoder setting procedure as described above). Therefore, the user must find and set the screen necessary for the setting according to the vocoder setting procedure from many screens at any time, but the setting of the sound source and effector is diverse, especially for beginners who are not in such an operation. In such cases, the user may forget to make settings suitable for vocoder control on the sound source and effector. In such a case, the vocoder control is not performed properly, and the user may not be able to obtain the robot voice as expected, which may cause confusion to the user. In other words, the user has a problem that it is very difficult to use because it is not immediately possible to know how to make the setting in order to obtain a desired robot voice.

  The present invention has been made in view of the above points, and in order to perform vocoder control of musical instrument performance sound based on an audio signal, a setting suitable for vocoder control in accordance with the supply destination of the audio signal being set to the vocoder It is an object of the present invention to provide an electronic music apparatus that can easily perform appropriate settings suitable for vocoder control on a sound source and an effector by prompting the user to perform settings and performing settings.

  An electronic music apparatus according to the present invention includes a sound source that generates a musical sound signal, an acquisition unit that acquires a sound signal, an effect imparting function that provides a sound effect by controlling the musical sound signal generated by the sound source, and the acquisition An vocoder function for generating a vocoder sound by controlling a musical sound signal generated by the sound source based on the characteristics of the sound signal, and applying any of the functions according to a plurality of parameter settings. According to the setting to supply the acquired voice signal to the vocoder function, the supply destination setting means for setting whether to operate the switch, whether to supply the acquired voice signal to the vocoder function, Presenting means for presenting a user with a prompt to set a parameter necessary for switching the effect applying means to a vocoder function among a plurality of parameters. That.

  According to the present invention, an effect imparting function for controlling a musical sound signal generated by a sound source to impart a sound effect, and a vocoder function for controlling a musical sound signal generated by a sound source based on the characteristics of the sound signal to generate a vocoder sound In the effect providing means, the presentation that prompts the user to set parameters necessary for switching the effect applying means to the vocoder function in response to the setting to supply the audio signal supply destination to the vocoder function. To the user. That is, since an audio signal is naturally required when generating a vocoder sound, a setting is made to supply the audio signal acquired by the user to the vocoder function. However, the effect imparting means does not function as a vocoder simply by making a setting for supplying an audio signal to the vocoder function. In order to function as a vocoder, the user must set the parameters necessary for switching to the vocoder function. Must be done. Therefore, by providing the user with prompting the user to set the parameters necessary for switching the effect applying means to the vocoder function among a plurality of parameters, the user can appropriately set at least the effector suitable for vocoder control. It will be easy to do.

  According to the present invention, in order to perform vocoder control of the musical instrument performance sound based on the audio signal, it is presented to the user so that the setting suitable for the vocoder control is performed in accordance with setting of the supply destination of the audio signal to the vocoder. Therefore, there is an effect that the user can easily perform appropriate setting suitable for vocoder control for at least the effector.

1 is a block diagram of a hardware configuration showing an example of the overall configuration of an electronic music apparatus according to the present invention. FIG. 3 is a functional block diagram schematically showing an embodiment of a sound source / effect circuit. It is a flowchart which shows one Example of a main process. It is a flowchart which shows one Example of an A / D output setting process. It is a conceptual diagram which shows one Example of an A / D output setting screen.

  Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a hardware configuration block diagram showing an embodiment of the overall configuration of an electronic music apparatus according to the present invention. The electronic music apparatus shown in this embodiment is, for example, an electronic musical instrument, and is controlled by a microcomputer including a microprocessor unit (CPU) 1, a read only memory (ROM) 2, and a random access memory (RAM) 3. The CPU 1 controls the operation of the entire electronic music apparatus. ROM 2, RAM 3, detection circuits 4 and 5, display circuit 6, sound source / effect circuit 7, storage device 8, and communication interface (I / F) 9 are connected to the CPU 1 via a data and address bus 1D. ing.

  The ROM 2 stores various control programs executed by or referred to by the CPU 1, various data, and the like. The RAM 3 is used as a working memory for temporarily storing various data generated when the CPU 1 executes a predetermined program, or as a memory for temporarily storing a currently executing program and related data. The A predetermined address area of the RAM 3 is assigned to each function, and is used as a register, a flag, a table, a temporary memory, or the like.

  The performance operator 4A is, for example, a keyboard provided with a plurality of keys for selecting the pitch of a musical tone, and has a key switch corresponding to each key. 4A (keyboard or the like) can be used for manual performance by the user's own hand-playing, for example, a vocoder such as a supply destination setting of an audio signal input (acquired) from the microphone M and a sound source or effector setting. It can also be used as a means for setting for control. The detection circuit 4 generates a detection output by detecting the pressing and release of each key of the performance operator 4A.

  A setting operator (switch, etc.) 5A is a mode selection switch for displaying, for example, an “A / D output setting screen” (see FIG. 5 described later) on the display 6A by setting the apparatus to the utility mode. Inc (increment) button or Dec (decrement) button to move the cursor sequentially to any of the items displayed in the "setting screen" or change the setting value of each item, the cursor up and down An arrow button that moves to the left or right, an Enter button that confirms the item on which the cursor is positioned, an Exit button that closes the “A / D output setting screen” and releases the utility mode, and a category search unit CS (FIG. 2) It includes various operators such as a category search button for enabling / disabling (see). Of course, the setting operation element 5A has a numeric data input numeric keypad and a character data input keyboard for selecting / setting / controlling pitches, tones, effects, etc., or a pointer displayed on the display 6A. Various operators such as a mouse for operating the above may be included. The detection circuit 5 detects the operation state of the setting operation element 5A, and outputs switch information and the like corresponding to the operation state to the CPU 1 via the data and address bus 1D.

  The display circuit 6 displays various screens such as an “A / D output setting screen” (see FIG. 5) on a display 6A composed of, for example, a liquid crystal display panel (LCD) or a CRT. Various data stored in the storage device 8 or the control state of the CPU 1 is displayed. In this embodiment, the user uses the “A / D output setting screen” displayed on the display 6A to control the vocoder control such as the supply destination setting of the audio signal input from the microphone M and the setting of the sound source and effector. Settings (that is, settings for switching the vocoder function to operate the sound source / effect circuit 7 as a vocoder) can be easily performed. The display 6A may be a touch panel.

  The tone generator / effect circuit 7 can simultaneously generate musical sound signals in a plurality of channels, obtains performance information via the data and address bus 1D, and synthesizes musical sounds based on the performance information to generate the musical sound signals. In addition to being generated, it is possible to realize a normal effector function (effect applying function) for appropriately applying various acoustic effects to the generated musical sound signal. The sound source / effect circuit 7 obtains an audio signal via the microphone M and an A / D (analog / digital) converter 7B, and simply applies the acoustic sound while applying an acoustic effect such as reverb to the obtained audio signal. Not only can it be output together with the musical instrument performance sound based on the signal, but it is also possible to realize a vocoder function that processes the musical instrument performance sound based on the characteristics of the acquired audio signal and outputs a robot voice. Yes. That is, the sound source / effect circuit 7 includes a multi-effector that can operate as at least one of the vocoder function and the normal effector function in addition to a sound source that generates a musical sound signal, and is configured to respond to a plurality of parameter settings. Thus, the musical sound signal generated by the sound source can be controlled as described above by switching the operation to either the vocoder function or the normal effector function (see FIG. 2 described later).

  Signal outputs such as performance sounds (robot voices, musical instrument performance sounds, etc.) and voices generated from the sound source / effect circuit 7 are generated from a sound system 7A including an amplifier and a speaker. Any conventional configuration may be used for the configuration of the sound source / effect circuit 7 and the sound system 7A. For example, the tone generator / effect circuit 7 may employ any of various tone synthesis methods such as FM, PCM, physical model, formant synthesis, etc., may be configured with dedicated hardware, or may be a DSP (Digital Signal Processor). ) Or software processing by the CPU 1. When the sound source / effect circuit 7 is configured by software processing that can be executed by a DSP, for example, the vocoder function and the normal effector function may be switched by setting the algorithm to be changed / replaced.

  The storage device 8 stores, for example, various control programs executed by the CPU 1 in addition to various data such as timbre data sets (called vocoder timbres) classified into the vocoder category. Although not shown, the vocoder timbre is set as a vocoder control setting, a timbre parameter for specifying a timbre (voice) to be set for the sound source, an effect type to be set for the effector (specifically, a vocoder) and a vocoder This is vocoder setting data that is stored in combination with a plurality of effect parameters for operating and determining how to apply the vocoder effect.

  When the control program is not stored in the ROM 2 described above, the control program is stored in the storage device 8 (for example, a hard disk) and is read into the RAM 3 to store the control program in the ROM 2. It is possible to cause the CPU 1 to perform the same operation. In this way, control programs can be easily added and upgraded. The storage device 8 is not limited to a hard disk (HD), but may be a flexible disk (FD), a compact disk (CD-ROM / CD-RAM), a magneto-optical disk (MO), or a DVD (Digital Versatile Disk). Any storage device may be used as long as it uses a storage medium in the form. Alternatively, a semiconductor memory such as a flash memory may be used.

  The communication interface (I / F) 9 is an interface for transmitting and receiving various information such as a control program and data (for example, vocoder tone) between the apparatus and an external device (not shown). The communication interface 7 may be, for example, a MIDI interface, a LAN, the Internet, a telephone line, or the like, and may include both wired and wireless ones.

  In the above-described embodiment, the performance operator 4A is not limited to a keyboard instrument, and may be any type such as a stringed instrument, a wind instrument, or a percussion instrument. Further, the electronic music apparatus is not limited to one in which the performance operator 4A, the display 6A, the sound source / effect circuit 7 and the like are built in one apparatus body, but each is configured separately, and a communication interface 9 such as a MIDI interface or various networks. Needless to say, the apparatus may be configured to connect the respective devices using the.

  Next, the above-described sound source / effect circuit 7 will be described with reference to FIG. FIG. 2 is a functional block diagram schematically showing one embodiment of the sound source / effect circuit 7. The arrows in the figure indicate the flow of data and signals. As can be understood from the figure, the sound source / effect circuit 7 includes an A / D output selector SL, a sound source unit O, an A / D input effector unit IE, a sound source effector unit E, and an overall effector / equalizer unit W. And a multi-effector. The sound source / effect circuit 7 has components other than those shown in FIG. 2, but the minimum necessary components are shown here.

  The audio signal input from the microphone M is converted to an analog / digital signal by the A / D converter 7B and then sent to the A / D output selector SL. The A / D output selector SL selects the A / D converted audio signal as either the A / D input effector IE or the sound source effector E according to the audio signal supply destination setting by the user. Output to. Here, when one of “L & R”, “L”, and “R” (see the description of “A / D output setting screen” described later in detail) is set as the audio signal supply destination by the user. Supplies the A / D converted audio signal to the A / D input effector IE. The A / D input effector unit IE is provided with a predetermined acoustic effect (effect type, effect parameter, etc. are separately set by a setting unit (not shown)), and the audio signal to which the acoustic effect is applied is sent to the entire effector / equalizer unit Supply to W. On the other hand, when “vocoder” is set as the audio signal supply destination by the user, the audio signal after A / D conversion is supplied to the sound source effector unit E.

  The tone generator unit O is an arbitrary tone data set (vocoder tone color) that is selectively read out from the storage device 8 by the tone and tone color selector unit OS specified based on performance information generated in response to the operation of the performance operator 4A. The tone signal of the tone color specified according to the tone color parameter defined in (not limited to) is generated, and the generated tone signal is supplied to the sound source effector unit E.

  The storage device 8 stores a large number of timbre data sets. Each timbre data set includes a timbre parameter for specifying a timbre (voice) set for the sound source unit O, an effect type set for the sound source effector unit E, and Contains effect parameters. Furthermore, a category corresponding to the tone color type of the tone color data is set in each tone color data set. Typically, categories according to timbre types such as piano, organ, guitar and the like are prepared. As a feature of the present invention, a “vocoder” category is newly provided as one of the categories. The tone color data set (vocoder tone color: vocoder setting data) belonging to this vocoder category is designated as “vocoder” as the effect type, and a tone color suitable for passing through the vocoder is set as a tone color parameter. As an example, a timbre that is a continuous tone and whose original formant is close to a human voice (for example, saxophone or violin) is suitable for a vocoder, and a timbre parameter that specifies such a timbre is a vocoder category timbre data set. Is set. However, since what kind of tone is suitable depends on the preference of the creator of the vocoder tone, it is not limited to those exemplified.

  The sound source effector unit E appropriately processes the tone signal supplied from the sound source unit O according to the effect type and effect parameter defined in an arbitrary tone color data set supplied from the tone color selector unit OS. After switching the functions to perform signal control such as vocoder control or normal sound effect application, the musical tone signal after the control is supplied to the entire effector / equalizer unit W. That is, the sound source effector section E has a normal effect function (effect providing function) that simply gives a general sound effect to a musical sound signal, and a formant of an audio signal rather than simply giving a general acoustic effect to a musical sound signal. It is possible to control each signal by appropriately switching a vocoder function for processing a musical tone signal having an acoustic characteristic corresponding to the characteristic.

  For example, when “vocoder” is instructed as the effect type supplied from the timbre selector OS, it is supplied together with the effect type from the timbre selector OS to operate (function) the sound source effector E as a vocoder. The normal effector function Z is switched to the vocoder function B according to the effect parameters. Specifically, according to the effect parameters, by setting some of the many bandpass filters of the sound source effector E to be used as the formant filter Y (the filter algorithm is set as such) The function of the sound source effect section E is switched from the normal effector function Z to the vocoder function B. When a reverb or chorus other than “vocoder” is instructed as the effect type supplied from the timbre selector section OS, the vocoder function B normally outputs the effect type supplied from the timbre selector section OS together with the effect type. The function of the sound source effect unit E may be switched to the effector function Z.

  The vocoder function B included in the sound source effect unit E may adopt any known signal control method as vocoder control, but as an example, the voice signal from the microphone M is sent to the feature extraction unit X as a sound source. The musical tone signal generated by the section O is input to the formant filter section Y, the characteristics (frequency components) of the voice signal are extracted by the feature extraction section X, and the formants are extracted according to the extracted characteristics (frequency components) of the voice signal. Some filter units Y output musical tone signals that reproduce the sound formants. In addition, when the sound source effector E is switched between the normal effector function Z and the vocoder function B, it may be realized by providing one hardware and replacing the algorithm. It may be realized by using one of the hardwares.

  Here, the selection of “vocoder”, that is, the sound source effector E in the A / D output selector SL indicates that the user desires to perform using the vocoder, but to switch to the vocoder function. If the effect parameter is not set for the sound source effector section E, it does not make sense (no vocoder sound is output). Therefore, in the electronic music apparatus according to the present invention, when the effector E is selected by the A / D output selector SL, the user is prompted to select a vocoder category timbre data set (vocoder timbre). . This will be described later in the category search unit CS.

  The timbre selector OS selects any one of a plurality of timbre data sets stored in the storage device 8 according to a user instruction. The category search unit CS searches for a timbre data set to which a category selected by a user instruction is assigned, and presents a list of timbre data sets belonging to the selected category (a search result list screen described later) to the user. The user can easily select a timbre data set belonging to a desired category by selecting one of them. Normally, the category search unit CS becomes effective when the user presses the category search button. However, when the sound source effector unit E is selected by the A / D output selector unit SL (that is, the audio signal by the user). Category search unit CS is automatically enabled and the vocoder category is selected (from the A / D output selector unit SL in the figure to the category). (Refer to a valid / invalid instruction indicated by a broken line extending to the search unit CS).

  In this way, a list of timbre data sets belonging to the vocoder category is presented to the user in accordance with the user setting “VOCODER” as the audio signal supply destination. It is easy to select a vocoder tone. In other words, even though the user has set the voice signal supply destination to “vocoder”, forgetting to select the vocoder tone, “no sound from the microphone is output and no robot voice (vocoder sound) is generated. "What should I do, what should I do?" To prevent users from getting into troubled situations where they can't do anything. In this way, the timbre data set selected by the category search section CS is notified to the timbre selector section OS, and any timbre data set is selected via the timbre selector section OS. As described above, the timbre selector section OS supplies a timbre parameter to the sound source section O and an effect type and an effect parameter to the sound source effector section E based on the selected timbre data set.

  The overall effector / equalizer unit W adjusts the frequency characteristics of the musical sound signal and the provision of general acoustic effects (effect types and effect parameters are set by a setting unit not shown) other than those described above. Control such as.

  Next, the “main process” for switching the effector to operate as a vocoder using the “A / D output setting screen” (see FIG. 5) will be described. FIG. 3 is a flowchart showing an example of “main processing”. This processing is started in response to, for example, a user operating a mode selection switch.

  In step S1, an “initialization process” is executed. As the “initialization process”, for example, the timbre parameter set for the sound source unit O, the effect type and the effect parameter set for the sound source effect unit E are cleared. Processing such as clearing can be mentioned. Of course, it is not limited to this. In step S2, “A / D output setting process” is executed. Details of this process will be described later (see FIG. 4).

  In step S3, “other processing” is executed. As "other processing", for example, `` tone change processing that arbitrarily changes the timbre passed through the vocoder, '' other various setting processing '' such as setting arbitrary effect parameters to change the way the vocoder is applied, There is “performance operator processing” such as generating a musical sound signal in response to the operation of the performance operator 4A. Although detailed description is omitted, the robot voice is pronounced in accordance with the operation of the performance operator 4A by the user according to the “performance operator processing”.

  Next, the “A / D output setting process” (step S2 in FIG. 3) will be described. FIG. 4 is a flowchart showing an embodiment of the “A / D output setting process”. FIG. 5 is a conceptual diagram showing an example of an “A / D output setting screen” that is appropriately displayed on the display 6A in accordance with the execution of the A / D output setting process.

  In step S11, an “A / D output setting screen” is displayed. That is, when the device is set to the utility mode according to the operation of the mode selection switch by the user, for example, an “A / D output setting screen” shown in FIG. 5A is displayed on the display 6A as the first screen. In step S12, an item is selected in accordance with the operation of the arrow button by the user on the “A / D output setting screen”, and the setting value of the item selected by the operation of the Inc (increment) button or the Dec (decrement) button Select etc.

  As shown in FIG. 5A, the “A / D output setting screen” G is a parameter for controlling an audio signal such as volume and pan, and an audio signal supply destination (Output Select). Is a screen for displaying items and setting them. For example, the user operates the arrow buttons to move the cursor K up and down on the screen to select the output destination (Output Select) of the audio signal, and in that state, press the Inc (increment) button or the Dec (decrement) button. By operating, you can select "Vocoder" as the supplier. Other options for supply include “L & R (stereo output)”, “L (mono output from L terminal)”, “R (monaural output from R terminal)”, and the like.

  Returning to the description of FIG. 4, in step S <b> 13, it is determined whether or not “Vocoder” is selected as the output destination (Output Select) of the audio signal. If it is determined that “vocoder” is not selected as the output destination (Output Select) of the audio signal (NO in step S13), the process jumps to the process in step S22. On the other hand, when it is determined that “vocoder” is selected as the output destination (Output Select) of the audio signal (YES in step S13), “vocoder” is already set as the effect type for the sound source effector section E. It is determined whether or not there is (step S14). If it is determined that “vocoder” is already set as the effect type for the sound source effector E (NO in step S14), the process jumps to step S22. If it is determined that “vocoder” is not set as the effect type in the sound source effector section E (YES in step S14), a “message screen” prompting selection of a vocoder tone is displayed (step S15). For example, a dialog box as shown in FIG. 5B is displayed as the “message screen”.

  Here, the “message screen” will be described. As shown in FIG. 5 (b), the “message screen” GM (message dialog) is a dialog box consisting of, for example, a small window that is displayed to ask the user for input or to give some notification. A message (“Select Vocoder Voice?” In the figure) prompting the user to select a vocoder tone is presented. Also, “Yes” and “No” are displayed below the message display, and the user can operate the arrow button or the like to position the cursor K anywhere. When the Enter button is operated while the cursor K is positioned at “Yes”, a “search result list screen” shown in FIG. 5C is displayed. When the Enter button is operated while the cursor is positioned at “No”, the “message screen” GM is closed and the display of the “A / D output setting screen” G is returned.

  Returning to the description of FIG. 4, step S <b> 16 determines whether or not “Yes” is selected on the “message screen” prompting selection of a vocoder tone. If it is determined that “Yes” has not been selected (NO in step S16), the process jumps to step S21. If it is determined that “Yes” is selected (YES in step S16), the following processes of steps S17 to S20 are executed.

  In step S17, a timbre data set in which the vocoder category is set is searched. In step S18, for example, a “search result list screen” shown in FIG. 5C is displayed according to the search. In step S19, any timbre is selected according to the cursor operation by the user. A step S20 sets a timbre parameter for the sound source and an effect type and an effect parameter for the effector according to the timbre data set selected according to the operation of the Enter button by the user. A step S21 closes the displayed message screen and returns to the original screen (A / D output setting screen). That is, if “Yes” is not selected on the message screen (NO in step S16), the A / D output setting shown in FIG. 5A is not performed without shifting to the search result list screen shown in FIG. Returning to the screen, if “Yes” is selected on the message screen (YES in step S16), the screen moves to the search result list screen shown in FIG. The screen returns to the A / D output setting screen shown in (a).

  Here, the “search result list screen” will be described. As shown in FIG. 5C, the “search result list screen” GV (category search dialog) is a dialog box composed of small windows, for example. Here, a large number of timbre data sets stored in the storage device 8 or the like are stored. It is a screen which displays the timbre data set which belongs to the vocoder category searched from inside as a search result. In the illustrated example, four timbre data sets from Vocoder1 to Vocoder4 are displayed as search results. The user can operate the arrow button or the like to position the cursor K in any of the search results, and select the timbre data set where the cursor K is positioned by operating the Enter button in that state. Can do. As described above, when the vocoder category timbre data set (vocoder timbre) is specified, the timbre parameter, the effect type, and the effect parameter are set for the sound source and the effector. Thereafter, the “search result list screen” GV is closed to return to the display of the “A / D output setting screen” G.

  Returning to the description of FIG. 4, in step S <b> 22, it is determined whether or not the “Exit” button has been operated by the user. If it is determined that the “Exit” button has not been operated (NO in step S22), the process returns to step S12 and the above-described steps S12 to S22 are repeatedly executed. If it is determined that the “Exit” button has been operated (YES in step S22), the process ends.

  As described above, in the sound source / effect circuit 7 having the normal effector function (effect imparting function) and the vocoder function and switching these functions according to the parameter setting (specifically, the sound source effector unit E), A message screen GM that prompts the user to set parameters necessary for switching the sound source effector E to the vocoder function in response to the setting of supplying the audio signal supply destination from the microphone M to the vocoder function. (See FIG. 5B) is presented to the user. As a result, the user can easily perform appropriate settings suitable for vocoder control at least on the effector.

  In the above-described embodiment, a plurality of vocoder category timbre data sets (vocoder timbres) are stored, and after a “search result list screen” (see FIG. 5C) is presented to the user, Switching to the vocoder function by letting the user select one of the vocoder sounds from the displayed search results is not limited to this, but the category is set on the category setting screen (not shown) in the category search function. The process up to the setting of “vocoder” as the name may be automatically performed, and then a timbre belonging to the vocoder category may be searched and presented when a search execution instruction is issued by the user. When there is only one stored vocoder tone or when there is a default designated vocoder tone, the setting is automatically made according to the vocoder tone (setting parameters) to switch to the vocoder function. You may make it perform. In such a case, a message prompting for setting may be displayed on the screen and the user may be asked whether to set the vocoder tone (that is, whether to switch to the vocoder function), or displayed on the screen. The setting may be made automatically in accordance with the vocoder tone without being performed. Furthermore, the user may arbitrarily set whether to set automatically or manually according to the message display from the “A / D output setting screen” or the like. In this way, the user can easily perform appropriate settings suitable for vocoder control on the sound source and effector.

  The vocoder category timbre data set (vocoder timbre) is stored in combination with the timbre parameter set for the sound source, the effect type and effect parameter set for the effector, but the timbre data and vocoder effect are not limited to this. Data (effect type and effect parameter) are stored separately, and an effect type setting screen (not shown) is opened in response to setting “vocoder” as the output destination on the “A / D output setting screen”. Only vocoder effect data may be selected and set. At this time, it is preferable that the timbre data is suitable for a robot voice generated by vocoder control, but it is not essential. Further, the automatic setting in the case of not having a plurality of options is the same as described above.

1 ... CPU, 2 ... ROM, 3 ... RAM, 4,5 ... detection circuit, 4A ... performance operator, 5A ... setting operator, 6 ... display circuit, 6A ... display, 7 ... sound source / effect circuit, 7A ... sound System, 8 ... Storage device, 9 ... Communication interface, 1D ... Data and address bus, B ... Vocoder function, E ... Sound effector unit, M ... Microphone, O ... Sound source unit, W ... Overall effector / equalizer unit, X ... Feature extraction unit, Y ... Formant filter unit, Z ... Normal effector function, SL ... A / D output selector unit, IE ... A / D input effector unit, OS ... Tone selector unit, CS ... Category search unit, GM ... Message Screen, G ... A / D output setting screen, GV ... Search result list screen, K ... Cursor

Claims (4)

A sound source that generates music signals,
An acquisition means for acquiring an audio signal;
An effect providing function for controlling a musical sound signal generated by the sound source to give a sound effect, and a vocoder function for generating a vocoder sound by controlling the musical sound signal generated by the sound source based on the characteristics of the acquired sound signal An effect providing means comprising: and operating by switching to one of the functions according to a plurality of parameter settings;
Supply destination setting means for setting whether or not to supply the acquired audio signal to the vocoder function;
Presenting means for presenting the user with a prompt to set a parameter required to switch the effect applying means to the vocoder function among the plurality of parameters according to the setting for supplying the acquired audio signal to the vocoder function An electronic music device.   And further comprising storage means for storing a plurality of vocoder setting data combining a timbre parameter for specifying a timbre suitable for a vocoder sound and one or more parameter settings required for switching the effect applying means to a vocoder function. The presenting means presents the plurality of vocoder setting data to the user according to the setting for supplying the acquired voice signal to the vocoder function, and allows the user to select one of the plurality of vocoder function data. 2. The electronic music apparatus according to claim 1, wherein a parameter necessary for switching the effect applying means to a vocoder function is set.   In accordance with the setting for supplying the acquired audio signal to the vocoder function, parameters necessary for switching the effect applying means to the vocoder function among the plurality of parameters based on any of the plurality of vocoder setting data are set. The electronic music apparatus according to claim 2, further comprising automatic setting means for automatically setting.   At the time when the setting for supplying the acquired audio signal to the vocoder function is performed, it is determined whether or not the parameter necessary for switching the effect applying means to the vocoder function among the plurality of parameters has already been set. In the case of further comprising determination means for determining, if the setting for realizing the vocoder function has already been made, the presentation means prompting the user to set parameters or the automatic setting of parameters by the automatic setting means 4. The electronic music apparatus according to claim 1, wherein the electronic music device is omitted.

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