EP3734591B1 - Vorrichtung zum hinzufügen von musikalischen klangeffekten und programm zum hinzufügen von musikalischen klangeffekten - Google Patents

Vorrichtung zum hinzufügen von musikalischen klangeffekten und programm zum hinzufügen von musikalischen klangeffekten Download PDF

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Publication number
EP3734591B1
EP3734591B1 EP17935961.7A EP17935961A EP3734591B1 EP 3734591 B1 EP3734591 B1 EP 3734591B1 EP 17935961 A EP17935961 A EP 17935961A EP 3734591 B1 EP3734591 B1 EP 3734591B1
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EP
European Patent Office
Prior art keywords
pitch
musical sound
effect
sound effect
effect adding
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Application number
EP17935961.7A
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English (en)
French (fr)
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EP3734591A1 (de
EP3734591A4 (de
Inventor
Shinya Koizumi
Ichiro Sugai
Yohei Habu
Nao Takagi
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AlphaTheta Corp
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AlphaTheta Corp
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Publication of EP3734591A4 publication Critical patent/EP3734591A4/de
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • G10H1/42—Rhythm comprising tone forming circuits
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/043—Continuous modulation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/057—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • G10H1/08—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by combining tones
    • G10H1/10—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by combining tones for obtaining chorus, celeste or ensemble effects
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/195—Modulation effects, i.e. smooth non-discontinuous variations over a time interval, e.g. within a note, melody or musical transition, of any sound parameter, e.g. amplitude, pitch, spectral response or playback speed
    • G10H2210/221—Glissando, i.e. pitch smoothly sliding from one note to another, e.g. gliss, glide, slide, bend, smear or sweep
    • G10H2210/225—Portamento, i.e. smooth continuously variable pitch-bend, without emphasis of each chromatic pitch during the pitch change, which only stops at the end of the pitch shift, as obtained, e.g. by a MIDI pitch wheel or trombone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/321—Missing fundamental, i.e. creating the psychoacoustic impression of a missing fundamental tone through synthesis of higher harmonics, e.g. to play bass notes pitched below the frequency range of reproducing speakers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/035—Crossfade, i.e. time domain amplitude envelope control of the transition between musical sounds or melodies, obtained for musical purposes, e.g. for ADSR tone generation, articulations, medley, remix

Definitions

  • the present invention relates to a musical sound effect adding device and a musical sound effect adding program.
  • a flanger using delay time modulation, a phaser using phase amount modulation, and the like have been known as devices that add a musical effect to a musical sound signal.
  • Patent Literature 1 discloses a device that generates an infinite scale.
  • the musical sound effect adding device according to Patent Literature 1 includes a pitch shifter group, a phase shift group, and an adder.
  • a plurality of pitch shifters that constitute the pitch shifter group each perform pitch shift to an externally supplied musical sound signal by a predetermined shift amount
  • a plurality of phase shifters that constitute the phase shift group each phase-delay an oscillation signal in increments of a predetermined phase amount
  • the adder adds pitch shift signals from all the pitch shifters.
  • a delay amount of the phase-delayed signal to be provided to each of the pitch shifters is increased in increments of a predetermined phase amount per pitch shifter, thereby achieving an effect of giving a pitch ascending or descending feeling even to an external musical sound signal.
  • Patent Literature 1 JP 4678871 B
  • Patent Literature 1 is, however, disadvantageous in that in again shifting from a lower limit of a pitch amount after a pitch shift amount of any one of the pitch shifters reaches an upper limit, a rapid change in the signal causes a discontinuous change in a pitch shift sound.
  • Patent Literature 1 it is proposed that a waveform converter is provided to multiply a pitch shift signal by a trapezoidal wave to reduce discontinuity in a case of transition from the upper limit to the lower limit, but such a method disadvantageously necessitates complication of a process for adding an effect.
  • An object of the invention is to provide a musical sound effect adding device and a musical sound effect adding program that allow for adding an infinite scale effect without the necessity of performing a complicated process.
  • a musical sound effect according to appended claim 1 is provided.
  • a musical sound effect adding program is configured to enable a computer to function as the above-described musical sound effect adding device.
  • Fig. 1 shows a music piece reproduction control system 1 according to the exemplary embodiment of the invention.
  • the music piece data reproduction control system 1 includes a computer 2 and a DJ controller 4 connected to the computer 2 through a USB cable 3.
  • the computer 2 which includes a CPU and a storage such as a hard disk, is configured to reproduce music piece data such as MP3 stored in the storage.
  • the music piece data is reproduced by software run on the CPU and the reproduced music piece data is outputted to the DJ controller 4 through the USB cable 3. Further, a reproduction control signal generated by operating a mixer 41 and decks 42L and 42R of the DJ controller 4 is outputted to the USB cable 3 to be inputted to the computer 2.
  • a variety of sound effects are added to the currently reproduced music piece data on the basis of the reproduction control signal outputted from the DJ controller 4.
  • the DJ controller 4 which is an example of sound equipment, includes the mixer 41 located at a center thereof and the decks 42L and 42R located at right and left of the mixer 41. It is to be noted that the sound equipment according to the invention is a concept including not only a sound reproduction controller as in the exemplary embodiment but also a sound reproducer configured to reproduce music piece data.
  • the mixer 41 which is a section configured to switch audio data outputted from the computer 2, adjust volumes of channels, and add a sound effect, includes first channel adjuster 411 to fourth channel adjuster 414 and a microphone adjuster 415.
  • An effector 41E is provided at a lower right of the mixer 41.
  • the effector 41E includes an effect selection switch 416, a channel selection switch 417, an effect-amount adjusting switch 418, an effect adding switch 419, and a beat changing switch 420 as described later in detail.
  • the decks 42L and 42R which are sections configured to be operated by an operator to add a variety of effects to music piece data outputted from the computer 2, each include a jog dial 421, a tempo slider 422, a performance pad 423, a CUE button 424, a play/pause button 425, a loop button 426, a deck selection button 427, and a load button 428.
  • the jog dial 421 which is an example of a rotary operation unit, is rotatably provided to a device body of each of the decks 42L and 42R, is configured to fast-forward and reverse music piece data to be reproduced when the operator rotates the jog dial 421.
  • a display 43 which includes a liquid crystal display, is provided at a center of the jog dial 421.
  • a BPM (Beats Per Minute) value, an elapsed time, a state of progress, and a beat position of the currently reproduced music piece data, and a state of rotation of an LP record at 33 RPM with the progress of the currently reproduced music piece data are displayed on the display 43, allowing the operator to see the progress of the reproduction of the music piece data.
  • BPM Beats Per Minute
  • the tempo slider 422 is a switch for adjusting a tempo of music piece data to be reproduced.
  • the performance pad 423 which is a button for switching an effect for the currently reproduced music piece data, is configured to add effects, such as loop, cue, slicer, and sampler, to the currently reproduced music piece data instantaneously when the performance pad 423 is pressed by the operator.
  • the CUE button 424 is a button for cuing music piece to be reproduced.
  • the play/pause button 425 is a button for starting reproduction of music piece data and pausing the currently reproduced music piece data.
  • the loop button 426 is a button for performing loop reproduction of the currently reproduced music piece data.
  • the deck selection button 427 is a button for selecting one of the first channel adjuster 411 to the fourth channel adjuster 414 of the mixer 41 that is to be used for operating the currently reproduced music piece data.
  • the left deck 42L is configured to switch between the first channel adjuster 411 and the third channel adjuster 413 and the right deck 42R is configured to switch between the second channel adjuster 412 and the fourth channel adjuster 414.
  • the load button 428 is a button for loading music piece data from the computer 2. By pressing the load button 428 after music piece data to be reproduced is selected on the computer 2, the music piece data is loaded to a channel of one of the first channel adjuster 411 to the fourth channel adjuster 414.
  • the DJ controller 4 is configured to add an effect to a musical sound signal that constitutes the music piece data. Specifically, an effect can be added to the musical sound signal of the music piece data by operating the effector 41E located at the lower right of the mixer 41 as shown in Fig. 2 .
  • the effect selection switch 416 is a switch for selecting an effect to be added to the musical sound signal. Examples of the effect include echo, delay, reverb, flanger, phaser, pitch, and noise, which can be selected also in a later-described musical sound effect adding device 5 by operating the effect selection switch 416.
  • the channel selection switch 417 which is a switch for selecting a channel where an effect is to be added, allows for adding an effect to the first channel adjuster 411 to the fourth channel adjuster 414 and the microphone adjuster 415 of the effector 41E.
  • the effect-amount adjusting switch 418 which is a switch for adjusting a of a musical sound effect to be added to an original sound of the music piece data, allows for setting the magnitude of the effect through volume adjustment.
  • the effect adding switch 419 which is a switch for adding an effect synchronized with a beat position or BPM of the musical sound signal, is configured to apply the effect selected with the effect selection switch 416 to the channel selected with the channel selection switch.
  • the beat changing switch 420 which is a switch for adding an effect synchronized with the beat position or BPM of the musical sound signal, includes a right direction arrow button that is to be operated to increase beat magnification and a left direction arrow button that is to be operated to reduce the beat magnification.
  • Fig. 3 shows the musical sound effect adding device 5 according to the exemplary embodiment of the invention.
  • the musical sound effect adding device 5 is an effector configured to generate and output a sawtooth wave, a triangular wave, a sine wave, a rectangular wave, or the like, which sounds such that a pitch continuously ascends or descends in accordance with a beat of currently reproduced music piece data SD.
  • the musical sound effect adding device 5 includes an LFO (Low Frequency Oscillator) 51, parallel-connected four oscillators 521 to 524, respective faders 53, respective adders 54, and a level adjuster 55, which constitute a musical sound effect adding program to be run on the CPU of the DJ controller 4.
  • LFO Low Frequency Oscillator
  • the LFO 51 is configured to output a periodic signal in a form of a low-frequency wave to each of the oscillators 521 to 524 and the faders 53.
  • the LFO 51 is configured to read beat position information from the inputted music piece data SD and output a periodic signal synchronized with an n-beat or 1/n-beat (n: integer) cycle of the musical sound signal to each of the oscillators 521 to 524 and the faders 53.
  • the LFO 51 functions as a periodic signal generator according to the invention.
  • the LFO 51 is configured to output pitch shift signals that are mutually different in an output start pitch to the respective oscillators 521 to 524, the pitch shift signals each being contained in the periodic signal.
  • the LFO 51 is configured to output a pitch shift signal at a certain pitch to the oscillator 521 of a first tier, output a pitch shift signal that is two octave higher than the pitch at a start of the output to the oscillator 521 of the first tier to the oscillator 522 of the second tier, output a pitch shift signal that is four octave higher than the pitch at the start of the output to the oscillator 521 of the first tier to the oscillator 523 of the third tier, and output a pitch shift signal that is six octave higher than the pitch at the start of the output to the oscillator 521 of the first tier to the oscillator 524 of the fourth tier.
  • the LFO 51 functions as a pitch shift section according to the invention.
  • the oscillators 521 to 524 which exemplify an acoustic signal generator, are each configured to generate an effect sound, that is, an acoustic signal with a pitch continuously shifted on an octave basis, in synchronization with the periodic signal outputted from the LFO 51.
  • the oscillators 521 to 524 can generate effect sounds in a range of seven octaves of 55 Hz to 7040 Hz.
  • the oscillators 521 to 524 are respectively configured to output the effect sounds shifting in an ascending direction from the start, and when the effect sounds exceed an upper limit one of the octaves, reset the effect sounds to a lower limit one of the octaves, and again output the effect sounds with a continuously ascending pitch.
  • the faders 53 are each configured to fade out the effect sound when the pitch of the acoustic signal generated by corresponding one of the oscillators 521 to 524 reaches a first pitch and fade in the effect sound when the pitch reaches a second pitch.
  • the faders 53 are each configured to fade in the effect sound in the lower limit octave (55 Hz to 110 Hz) that can be outputted by the oscillators 521 to 524 and fade out the effect sound in the upper limit octave (3520 Hz to 7040 Hz) that can be outputted by the oscillators 521 to 524, thereby allowing for generating an infinite scale effect sound.
  • the plurality of adders 54 are sections for superimposing the respective effect sounds generated by the oscillators 521 to 524.
  • the acoustic signals superimposed by the adders 54 are outputted to the level adjuster 55.
  • the level adjuster 55 which is a section for superimposing the effect sounds generated by the musical sound effect adding device 5 at a desired percentage relative to a volume of the original sound in accordance with an operation by a user, is configured to adjust the effect sounds through the operation of the effect-amount adjusting switch 418 of the above-described switch group. Specifically, as shown in Fig. 4 , the volume of the effect sounds is adjusted while the volume of the original sound is kept at 100%. In the exemplary embodiment, the effect sounds are adjustable from - ⁇ via -16.5 dB to -3.67 dB.
  • the effect sound adjusted by the level adjuster 55 is outputted from the mixer 41 along with the original sound.
  • a pitch shift signal that starts from the lowest pitch of 55 Hz is outputted to the oscillator 521 of the first tier, and a pitch shift signal that is two octave higher than the pitch shift signal outputted to the oscillator 521 of the first tier is outputted to the oscillator 522 of the second tier as shown in Fig. 5 .
  • a pitch shift signal that is four octave higher than the pitch shift signal outputted to the oscillator of the first tier is outputted to the oscillator 523 of the third tier
  • a pitch shift signal that is six octave higher than the pitch shift signal outputted to the oscillator of the first tier is outputted to the oscillator 524 of the third tier.
  • the effect sound outputted from each of the oscillators 521 to 524 is faded in in the lowest one octave (from 55 Hz to 110 Hz) and faded out in the highest one octave (from 3520 Hz to 7040 Hz).
  • the sound effect adding device 5 generates such an effect sound, thereby making it possible to output an infinite scale effect sound with an ascending pitch in accordance with a tempo of the currently reproduced music piece data SD.
  • the use of the musical sound effect adding device 5 makes it possible to add an infinite scale effect in accordance with a reproduction tempo of the music piece data SD without the necessity of performing a complicated process.
  • the effect sound generated by each of the oscillators 521 to 524 of the musical sound effect adding device 5 is an acoustic signal in a form of a sawtooth wave, a listener can feel the effect sound ascending indefinitely.
  • a triangular wave, a sine wave, or a rectangular wave is usable in place of the sawtooth wave.
  • the musical sound effect adding device 5 is configured to fade in the effect sound in one octave near the lowest pitch when the pitch of the acoustic signal outputted from each of the oscillators 521 to 524 reaches the first pitch, that is, 55 Hz, and fade out the effect sound in one octave near the highest pitch when the pitch reaches the second pitch, that is, 3520 Hz. This can make the effect sound unnoticeable to a listener when each of the oscillators 521 to 524 switches from the high pitch to the low pitch, allowing the listener to further feel the infinite scale.
  • the pitch shift signal outputted from the LFO 51 is a pitch shift signal that shifts a pitch on the octave basis, so that the effect sounds outputted from the oscillator 521-524 are always offset from each other on the octave basis. Therefore, the effect sounds outputted from the oscillators 521 to 524 are added by the adders 54 without making a discord, allowing the listener to feel a comfortable effect sound.
  • the musical sound effect adding device 5 includes the four oscillators 521 to 524; however, the invention is not limited thereto.
  • the musical sound effect adding device only needs to include a plurality of oscillators and includes more than two oscillators in some embodiments.
  • the oscillators 521 to 524 are each configured to output the effect sound in seven octaves; however, the invention is not limited thereto.
  • An oscillator configured to output an effect sound exceeding seven octaves may be employed the acoustic signal generator.
  • the musical sound effect adding device 5 is configured to output the infinite scale effect sound with an ascending pitch; however, the invention is not limited thereto.
  • the musical sound effect adding device 5 may be configured to output an infinite scale effect sound with a descending pitch in some embodiments.
  • the musical sound effect adding device 5 can output an infinite scale sound with a descending pitch by a sawtooth wave descending to the right, which is the inverse of the sawtooth wave shown in Fig. 5 .
  • the LFO 51 that is, the pitch shift section, is configured to output the pitch shift signal to be outputted to each of the oscillators 521 to 524 as a pitch shift signal shifting on the octave basis.
  • a pitch shift signal shifted in pitch by a third interval is outputted to the oscillator.
  • 1...music piece data reproduction control system 2...computer, 3...USB cable, 4...DJ controller, 5...musical sound effect adding device, 41...mixer, 41E...effector, 42L...deck, 42R...deck, 43...display, 51...LFO, 53...fader, 54...adder, 55...level adjuster, 411...first channel adjuster, 412...second channel adjuster, 413...third channel adjuster, 414...fourth channel adjuster, 415...microphone adjuster, 416...effect selection switch, 417...channel selection switch, 418...effect-amount adjusting switch, 419...effect adding switch, 420...beat changing switch, 421...jog dial, 422...tempo slider, 423...
  • performance pad 424...CUE button, 425...play/pause button, 426...loop button, 427...deck selection button, 428...load button, 521...oscillator, 522...oscillator, 523...oscillator, 524...oscillator, SD...music piece data.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Claims (4)

  1. Eine Vorrichtung zum Hinzufügen eines musikalischen Klangeffekts, umfassend:
    einen Erzeuger für periodische Signale, der dazu eingerichtet ist, ein periodisches Signal zu erzeugen, das mit einem n-Beat- oder 1/n-Beat-Zyklus (n: ganze Zahl) eines Musikklangsignals von Musikstückdaten synchronisiert ist;
    eine Vielzahl von Erzeugern für akustische Signale, die jeweils dazu eingerichtet sind, ein akustisches Signal mit einer Tonhöhe zu erzeugen, die kontinuierlich auf einer Oktavbasis in Synchronisation mit dem periodischen Signal verschoben wird; und
    einen Tonhöhenverschiebungsabschnitt, der dazu eingerichtet ist, die Tonhöhe des akustischen Signals, das von jedem der Vielzahl von Erzeugern für akustische Signale erzeugt wird, auf eine gegenseitig unterschiedliche Tonhöhe zu verschieben,
    wobei der Erzeuger für periodische Signale ferner dazu eingerichtet ist, Beatpositionsinformationen aus den Musikstückdaten zu lesen, um das periodische Signal zu erzeugen;
    wobei die Vorrichtung zum Hinzufügen eines musikalischen Klangeffekts gekennzeichnet ist durch
    Fader, die jeweils dazu eingerichtet sind, das von jedem der Erzeuger für akustische Signale erzeugte akustische Signal auszublenden, wenn eine Tonhöhe des akustischen Signals eine erste Tonhöhe erreicht, und das akustische Signal einzublenden, wenn das akustische Signal eine zweite Tonhöhe erreicht.
  2. Die Vorrichtung zum Hinzufügen eines musikalischen Klangeffekts gemäß Anspruch 1, wobei
    jeder der Erzeuger für akustische Signale dazu eingerichtet ist, eine Sägezahnwelle als das akustische Signal zu erzeugen.
  3. Die Vorrichtung zum Hinzufügen eines musikalischen Klangeffekts gemäß einem der Ansprüche 1 bis 2, wobei:
    der Tonhöhenverschiebungsabschnitt dazu eingerichtet ist, die Tonhöhe auf der Oktavbasis zu verschieben.
  4. Ein Programm zum Hinzufügen eines musikalischen Klangeffekts, das dazu eingerichtet ist, einen Computer zu befähigen, als die Vorrichtung zum Hinzufügen eines musikalischen Klangeffekts gemäß einem der Ansprüche 1 bis 3 zu arbeiten.
EP17935961.7A 2017-12-29 2017-12-29 Vorrichtung zum hinzufügen von musikalischen klangeffekten und programm zum hinzufügen von musikalischen klangeffekten Active EP3734591B1 (de)

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Application Number Priority Date Filing Date Title
PCT/JP2017/047405 WO2019130594A1 (ja) 2017-12-29 2017-12-29 楽音効果付与装置および楽音効果付与プログラム

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EP3734591A1 EP3734591A1 (de) 2020-11-04
EP3734591A4 EP3734591A4 (de) 2021-07-14
EP3734591B1 true EP3734591B1 (de) 2023-05-03

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Publication number Priority date Publication date Assignee Title
JP7521002B2 (ja) * 2020-11-10 2024-07-23 ＡｌｐｈａＴｈｅｔａ株式会社 音響機器、音響機器の制御方法およびプログラム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0554283A (ja) * 1991-08-29 1993-03-05 Mazda Motor Corp 警告音発生装置
JPH07306693A (ja) * 1994-05-11 1995-11-21 Roland Corp ピッチシフト装置
JP4215366B2 (ja) * 2000-01-14 2009-01-28 株式会社コルグ 電子オルガン及び電子オルガンのスライダー割り当て方式
JP4678871B2 (ja) * 2006-08-02 2011-04-27 株式会社コルグ 効果付加装置

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EP3734591A1 (de) 2020-11-04
EP3734591A4 (de) 2021-07-14
JP7010970B2 (ja) 2022-01-26
WO2019130594A1 (ja) 2019-07-04

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