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WO2013121579A1 - Dispositif de lecture de composition musicale, procédé de lecture de composition musicale, programme de lecture de composition musicale et support d'enregistrement qui stocke un programme de lecture de composition musicale - Google Patents

Dispositif de lecture de composition musicale, procédé de lecture de composition musicale, programme de lecture de composition musicale et support d'enregistrement qui stocke un programme de lecture de composition musicale Download PDF

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Publication number
WO2013121579A1
WO2013121579A1 PCT/JP2012/053823 JP2012053823W WO2013121579A1 WO 2013121579 A1 WO2013121579 A1 WO 2013121579A1 JP 2012053823 W JP2012053823 W JP 2012053823W WO 2013121579 A1 WO2013121579 A1 WO 2013121579A1
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WO
WIPO (PCT)
Prior art keywords
music
effect
unit
playback
input unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2012/053823
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English (en)
Japanese (ja)
Inventor
啓太郎 菅原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioneer Corp
Original Assignee
Pioneer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corp filed Critical Pioneer Corp
Priority to PCT/JP2012/053823 priority Critical patent/WO2013121579A1/fr
Priority to JP2014500018A priority patent/JP5632559B2/ja
Publication of WO2013121579A1 publication Critical patent/WO2013121579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G10H1/0091—Means for obtaining special acoustic 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • 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 music playback device, a music playback method, a music playback program, and a recording medium storing a music playback program that can be easily enjoyed with an effect operation on a portable music player, for example.
  • an operation (effect operation) for adding various effects may be performed in one piece of music.
  • effects such as layering previously prepared sounds such as sampling sounds and rhythm sounds by user operation, or filtering the music to cut only the low range, only the high range, or only the vocal By doing, you can enjoy various arrangements to the music.
  • This type of effect operation may be performed by a knob or slider in a DJ device such as an effector.
  • a knob or slider in a DJ device such as an effector.
  • an effect is added using a touch panel or the like as in the parameter setting device described in Patent Document 1.
  • Amount (effect amount) can be set.
  • the above-described effect operation is generally performed using a DJ device such as an effector.
  • a DJ device such as an effector.
  • MP3 MPEG Audio Layer-3
  • AAC Advanced Audio Coding
  • a music playback device such as a portable music player that stores and plays back the music that has been played, the user cannot easily do it outdoors, for example.
  • the present invention can, for example, easily add an effect according to the user's preference without using a DJ device and the like, and a music playback device, a music playback method, and a music playback that reduce an uncomfortable feeling at the start and end of the effect It is an object to provide a recording medium storing a program and a music reproduction program.
  • a music playback device comprising: a playback unit that plays back music; and an effect unit that adds an effect to the music played back by the playback unit
  • An input unit that is provided on the surface of the music playback device and detects a pressed position, and a control unit that adds an effect of an amount corresponding to the pressed position of the input unit to the effect unit. It is characterized by having.
  • the music playback method includes a playback unit that plays back a song, and an effect unit that adds an effect to the music played back by the playback unit.
  • An input step for detecting the position where the input unit provided on the surface of the music playback device is pressed, and a control for adding an effect corresponding to the position detected by the input step to the effect unit. And a process.
  • FIG. 1 is an external view of a portable music player according to a first embodiment of the present invention.
  • FIG. 2 is a block diagram of the portable music player shown in FIG. 1.
  • 3 is a flowchart of effect operations of the portable music player shown in FIG. 2. It is explanatory drawing explaining each period at the time of effect operation. It is explanatory drawing at the time of using an effect different from a manual effect for a release effect. It is explanatory drawing at the time of using a some effect for a release effect.
  • FIG. 8 is an explanatory diagram showing an operation of shifting the playback end position when an effect operation is performed during connection playback of the portable music player shown in FIG. 7.
  • a music playback device is provided on the surface of a music playback device, an input unit for detecting a pressed position, and an effect of an amount corresponding to the position at which the input unit is pressed. And a control unit to be added, so that the amount of effect to be added can be changed in accordance with the input from the input unit, so that an effect according to the user's preference can be added and a DJ device or the like is used. You can easily add effects to the music you are playing.
  • control unit may start adding an effect when the input unit is pressed during playback of the music, and may add the effect while the pressing is continued. In this way, the start and end (release) of effect addition can be detected and the effect addition amount can be changed at the input unit, and the effect operation can be performed with a simple operation.
  • control unit may add an effect to the effect unit for a predetermined time after the detection of the press by the input unit is completed. By doing so, the effect is not released suddenly upon completion of the input, and it is possible to return to normal playback with less sense of discomfort in the sense of hearing.
  • control unit may switch the effect to a type different from the effect added by the effect unit immediately before the end of the detection and add the predetermined time.
  • control unit may sequentially add a plurality of types of effects and add them for a predetermined time after the detection of the pressure from the input unit is completed.
  • control unit may gradually increase the effect amount up to the effect amount corresponding to the position where the input unit is pressed. By doing so, a large effect amount is not suddenly added at the start of the effect, and the effect is smoothly started with a sense of incongruity being reduced.
  • a continuous playback includes a playback section information acquisition unit that acquires playback section information that defines a playback start position and a playback end position of a song, and the playback unit continuously plays back a plurality of songs based on the playback section information.
  • the control unit plays back the music being played when the effect is added by the effect unit to a position after the playback end position determined by the playback section information acquired by the playback section information acquisition unit. You may make it reproduce in a part. In this way, when performing an effect operation during continuous playback, the playback period of the music being played can be extended, reducing the possibility of music switching during the effect operation. You can enjoy the effect operation.
  • a music playback method includes an input step for detecting a position where an input unit provided on the surface of a music playback device is pressed, and an amount of effect corresponding to the position detected by the input step.
  • Control step to be added to the effect unit so that the amount of effect to be added can be changed according to the input from the input unit, so that the effect according to the user's preference can be added, such as DJ equipment You can easily add effects to the music you are playing without using it.
  • the music reproduction program according to the embodiment of the present invention causes the computer to execute the above-described music reproduction method, the amount of effect to be added can be changed according to the input from the input unit using the computer. Thus, it is possible to add an effect according to the user's preference, and it is possible to easily add an effect to the music being played back without using a DJ device or the like.
  • the above-described music reproduction program may be stored in a computer-readable recording medium.
  • the program can be distributed as a single unit in addition to being incorporated in the device, and version upgrades can be easily performed.
  • the portable music player 1 includes a display unit 2, an input unit 3, a storage unit 4, a decoding unit 5, an effect unit 6, a D / A converter 7, and an output unit. 8 and a case 20.
  • the case 20 is formed in a flat and substantially box shape, and the display unit 2 and the input unit 3 are provided on the outer surface thereof. Are also provided with external output terminals such as a headphone terminal.
  • the storage unit 4 the decoding unit 5, the effect unit 6, the D / A converter 7, the output unit 8, and the like shown in FIG.
  • the display unit 2 is composed of a liquid crystal display, for example, and displays the name of the music being played, the playback time, the type of effect to be added, and the like.
  • the input unit 3 includes, for example, a touch sensor or a touch panel.
  • the operation amount is determined according to the position where the input unit is pressed by the user's finger or the like. For example, when performing an effect operation to be described later, first, the selected effect operation is started by pressing the surface of the input unit 3 with a finger or the like, and the effect amount corresponding to the pressed position is being reproduced. When it is added to the music and a finger or the like is removed from the surface, the effect operation ends. That is, an input operation for adding an effect is performed.
  • touching the surface of a touch panel or a touch sensor is also included in pressing.
  • detecting the pressed position in the claims includes detecting the position touched on the surface of the touch panel or touch sensor.
  • the input unit 3 outputs position information of the pressed position to the control unit 9 when a finger touches the surface and the pressing is started.
  • the position information changes when a finger or the like moves in the vertical direction (longitudinal direction) while touching (pressing) the surface of the input unit 3, and the position information changes according to the change in the position information.
  • the amount of operation such as the amount of effect changes.
  • a means for performing various operations other than the effect operation such as a push button and a slide switch may be separately provided.
  • the storage unit 4 is configured by a storage device such as a hard disk drive or a non-volatile semiconductor memory.
  • the storage unit 4 stores music data 4a, data indicating a bar break position for each music, and block breaks specified by music analysis for each music.
  • the analysis data 4b including the data shown and the data showing the time-series feature amount for each music is stored (stored).
  • the music data 4a is encoded and stored in advance by a predetermined method such as MP3 or AAC.
  • the block of data indicating the specified block delimiter in the analysis data 4b represents a musical delimiter such as an intro, rust, A melody, or B melody.
  • the time-series feature amount for each piece of music indicates, for example, a key, the presence or absence of vocals, chord progression, volume level, and the like.
  • the decoding unit 5 as a reproducing unit reads out music data from the storage unit 4, decodes (decodes), and outputs it to the effect unit 6. That is, the music is played.
  • the effect unit 6 as an effect unit adds the type of effect instructed by the control unit 9 to the music input from the decoding unit 5. That is, adding an effect in this specification means adding some processing to the music being played.
  • Specific types of effects added by the effect unit 6 include, for example, a flanger that creates a flange effect by adding sounds that are shifted in time, a low-pass filter that cuts only the high frequency of the music being played, and a reverberation sound. It also includes echoes, a roll that plays back a phrase in a measure unit of music, and insertion of silence for a predetermined period. Each of these effects is set in advance and can be selected by an input operation from the input unit 3 or the like.
  • the D / A converter 7 converts the music input from the effect unit 6 into an analog signal and outputs the analog signal to the output unit 8.
  • the output unit 8 includes, for example, an amplifier and an output terminal, and amplifies the analog signal output from the D / A converter 7 and outputs the amplified analog signal to an external speaker or headphone.
  • the control unit 9 as a control unit controls the decoding unit 5 to read and reproduce (decode) the music data 4 a to be reproduced from the storage unit 4, or based on an input operation from the input unit 3. To add effects.
  • step S1 reproduction is started and the process proceeds to step S2.
  • the decoding unit 5 reads and decodes the music data 4a from the storage unit 4 to decode the effect unit 6, D / A
  • the audio signal reproduced outside is output via the converter 7 and the output unit 8.
  • the effect unit 6 does not apply any effect to the output of the decoding unit 5. This state is called normal playback.
  • step S2 an effect input from the input unit 3 or the like and desired to be added to the music being reproduced (selected) is selected, and the process proceeds to step S3.
  • step S3 it is determined whether or not the input unit 3 is pressed by a finger or the like (whether or not touch detection). If pressed (in the case of Y), the process proceeds to step S4, and is not pressed. In the case of N, repeat this step and wait. The determination of this step may be made based on whether or not the position information from the input unit 3 has been input.
  • step S4 since it is detected that the input unit 3 has been pressed with a finger or the like, it is determined that the effect operation has started, and the effect amount corresponding to the pressed position (touch position) is gradually increased.
  • the process proceeds to step S5.
  • the effect operation in this embodiment is composed of three periods as shown in FIG. 4, and this step corresponds to the increase period of period A. That is, the effect amount is gradually increased to the effect amount corresponding to the position where the input unit is pressed.
  • the position where the input unit 3 is pressed is detected as an effect amount instructed by the user or the like, and gradually increased to the effect amount.
  • the time for increasing the effect amount specified by the user or the like is determined in advance, for example, several beats based on the beat of the music included in the analysis data 4b. The time such as several beats may be changed for each effect type. Further, the time to be increased is not limited to beats but may be in units of seconds. However, setting based on information related to music such as beats makes it possible to shift from normal reproduction to effect without a sense of incongruity.
  • step S5 an effect amount corresponding to the input from the input unit 3 is added (manual effect), and the process proceeds to step S6.
  • This step corresponds to the manual effect of period B in FIG.
  • the manual effect the amount of effect corresponding to the moved position of the finger or the like from the touched position (pressed position) by moving the finger or the like in the longitudinal direction of the input section 3 while touching the surface of the input section 3.
  • a finger or the like is moved (slid) to the one end side.
  • the effect amount approaches the maximum value, and when the effect amount is moved to the other end, the effect amount approaches the minimum value.
  • the amount of effect corresponds to the coordinate position of the input unit 3, and the amount of effect is changed by sliding a finger or the like bi-directionally between one end side and the other end side, and the music being played is changed. It can be changed freely according to the user's preference. That is, the effect is added while the pressing is continued. Further, in this step, the position where the input unit 3 is pressed is detected, and an effect corresponding to the detected position is added to the effect unit 6, which corresponds to the input process and the control process. .
  • step S6 it is determined whether or not a finger or the like is released from the input unit 3 (whether or not the touch is released). If released (in the case of Y), the process proceeds to step S7, and is not released. In the case of N, the process returns to step S5. The determination in this step may be made based on whether or not the position information from the input unit 3 is input.
  • step S7 since the finger or the like has been released from the input unit 3, it is determined that the effect operation has ended, and the effect until the normal playback is performed (release effect), and the process proceeds to step S8.
  • This step corresponds to the release effect of period C in FIG.
  • the release effect is a period established to smoothly connect to normal playback after detecting that the user has released a finger (press detection end). For example, the effect operated by the manual effect is continued. To gradually reduce the effect amount. Similar to the increase period, the time for the decrease is determined in advance, for example, several beats based on the beat of the music included in the analysis data 4b. The time such as several beats may be changed for each effect type.
  • the time to be reduced is not limited to beats, but may be in units of seconds, but setting based on information related to music such as beats can shift from effect to normal playback without a sense of incongruity. That is, after the detection of the pressing by the input unit is completed, the effect is added to the effect unit for a predetermined time.
  • step S8 it is determined whether or not the reproduction is finished. If the reproduction is finished (Y), the process is finished. If the reproduction is not finished (N), the process returns to step S2.
  • the determination as to whether or not the reproduction has ended may be made based on whether or not the reproduction end has been input by the user through an input operation from the input unit 3 or other buttons.
  • the effect by the effect unit 6 is added to the music data 4a being reproduced. Since the effect amount is determined according to the slide position of the input unit 3 and the effect is added, the effect amount changes according to the slide position of the input unit 3, so the effect is added in a time according to the user's preference. Since the effect amount can be freely changed, the effect can be easily applied to the music being played back without using a DJ device or the like.
  • the effect amount is gradually increased to the effect amount corresponding to the position where the input unit 3 is pressed, so that a large effect amount is not suddenly added at the start of the effect.
  • the effect starts smoothly with less sense of incongruity.
  • the effect amount is gradually decreased to add the effect for a predetermined time, so that the effect is not released suddenly at the end of the operation, and the sense of discomfort is reduced. To return to normal playback.
  • the release effect may not only gradually reduce the amount of effect added by the manual effect but also may be added to a different type of effect added by the manual effect for a predetermined time. For example, if you used a flanger with a manual effect, switch to echo for the release effect and gradually reduce the amount of echo effect (see Fig. 5) so that the normal playback feels less uncomfortable. Effects that can be transferred may be combined. By doing so, it is possible to use an effect with less sense of discomfort when returning to normal playback when the effect ends, and to further reduce the sense of discomfort.
  • the release effect may be added for a predetermined time by sequentially switching a plurality of types of effects (see, for example, FIG. 6).
  • effects A and B are sequentially switched.
  • FIG. 6 it is not limited to switching two types of effects, but may be three or more types, and each effect period does not have to be the same length.
  • the time may be longer than when performing a release effect with one type of effect.
  • the effect amount may not be gradually decreased, but may be set to 0 suddenly, or may be set to 0 after diverging (maximum value). For example, if a break (adding an effect that destroys the playback music) was used with a manual effect, it would be uncomfortable to hear it even after shifting the break to silence and then switching to normal playback. Less.
  • FIGS. 1 and 2 a portable music player device 1 according to a second embodiment of the present invention will be described with reference to FIGS.
  • the same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.
  • This embodiment is different from the first embodiment in that playback section data is added as data stored in the storage unit 4 as shown in FIG.
  • the reproduction section data is data indicating a reproduction start position (inpoint) and a reproduction end position (outpoint) for each piece of music in the music data 4a.
  • the control unit 9 when the music data 4a is reproduced, a plurality of music are reproduced continuously based on the reproduction start position and the reproduction end position of the reproduction section data 4c.
  • Such an operation is performed, for example, by the control unit 9 acquiring the playback section data via the decode 5 and controlling the decode unit 5. That is, the control unit 9 functions as a reproduction section information acquisition unit.
  • the reproduction start position of the first music when the reproduction is started from the reproduction start position of the first music, the reproduction start position of the second music is connected and reproduced at the reproduction end position of the first music.
  • Such an operation is called continuous playback (also called connected playback).
  • a cross-fade or the like may be used for the connection portion of the first song and the second song. In this way, it is possible to continuously play back only a part of the music, for example, only the chorus part of the music.
  • the playback end position of the music being played is played back to a position after the position set in the playback section data.
  • the details will be described with reference to FIG. 9.
  • the playback end position of the first song is played back to a position after the position set in the playback section data. (The playback end position is shifted backward).
  • the position after the position set in the reproduction section data is determined in advance, for example, by shifting to the outro of the music or by shifting a predetermined measure with reference to the analysis data 4b of the music.
  • the effect amount is increased to the touch position in step S4, and at the same time the playback end position of the music is shifted to a later time.
  • the playback start position and the playback end position are read in advance by the control unit 9, so the control unit 9 may rewrite the playback end position to a later time such as an outro time.
  • the playback section data 4c is stored in the storage unit 4, and a plurality of pieces of music data 4a stored in the storage unit 4 are continuously played back based on the playback section data 4c.
  • the control unit 9 plays back the playback end position of the music to a position after the position set in the playback section data. So, when performing an effect operation during continuous playback, you can extend the playback period of the song being played, reduce the chance that the song will switch during the effect operation, and operate the effect. I can enjoy it.
  • the playback end position does not necessarily have to be played back to a position after the position set in the playback section data. For example, when the effect operation ends before the playback end position stored in the playback section data 4c or a predetermined time such as several seconds, several bars, or several beats, the playback end stored in the playback section data 4c is completed. You may make it transfer to the next music in a position. That is, based on the playback section data 4c and the effect operation end time, it may be determined whether or not the playback end position is played back to a position after the position set in the playback section data.
  • the storage unit 4 is provided on a server connected via a network such as the Internet, and the music data 4a is provided on the network. It may be obtained via.
  • the server may be provided with the functions of the decoding unit 5 and the effect unit 6, and the portable terminal may include only the input unit 3, the D / A converter 7, the output unit 8, and the like. That is, each component included in the portable music player 1 may be divided into a plurality of devices such as a portable terminal and a server.
  • the present invention can be configured as a music reproduction program.
  • the following portable music player 1 and music reproducing method can be obtained.
  • a portable music player 1 including a decoding unit 5 for reproducing music data 4a and an effect unit 6 for adding an effect to the music data 4a reproduced by the decoding unit 5,
  • An input unit 3 provided on the surface of the portable music player 1 for detecting a pressed position;
  • a portable music player (1) comprising a control unit (9) for causing the effect unit (6) to add an effect corresponding to a position where the input unit (3) is pressed.
  • Step S5 for detecting a position where the input unit 3 provided on the surface of the music reproducing device 1 is pressed;
  • a step S5 for adding an effect corresponding to the position detected in step S5 to the effect unit 6;
  • a method of reproducing music comprising:
  • the portable music player 1 and the music playback method it is possible to easily apply effects to the music being played back without using a DJ device or the like according to the amount of operation by one input unit 3.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
PCT/JP2012/053823 2012-02-17 2012-02-17 Dispositif de lecture de composition musicale, procédé de lecture de composition musicale, programme de lecture de composition musicale et support d'enregistrement qui stocke un programme de lecture de composition musicale Ceased WO2013121579A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2012/053823 WO2013121579A1 (fr) 2012-02-17 2012-02-17 Dispositif de lecture de composition musicale, procédé de lecture de composition musicale, programme de lecture de composition musicale et support d'enregistrement qui stocke un programme de lecture de composition musicale
JP2014500018A JP5632559B2 (ja) 2012-02-17 2012-02-17 楽曲再生装置、楽曲再生方法、楽曲再生プログラムおよび楽曲再生プログラムを格納した記録媒体

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PCT/JP2012/053823 WO2013121579A1 (fr) 2012-02-17 2012-02-17 Dispositif de lecture de composition musicale, procédé de lecture de composition musicale, programme de lecture de composition musicale et support d'enregistrement qui stocke un programme de lecture de composition musicale

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013762A1 (fr) * 2015-07-22 2017-01-26 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif de traitement de son et procédé de traitement de son
US20230418551A1 (en) * 2020-11-10 2023-12-28 Alphatheta Corporation Audio device, control method for audio device, and program

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000267663A (ja) * 1999-03-12 2000-09-29 Korg Inc 楽音コントローラ
JP2005100131A (ja) * 2003-09-25 2005-04-14 Yamaha Corp パラメータ設定装置およびパラメータ設定プログラム
JP2006527393A (ja) * 2003-06-06 2006-11-30 ギトーチ リミテッド 増幅されたギター用のダイナミックコントローラを具えるマルチサウンドエフェクトシステム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000267663A (ja) * 1999-03-12 2000-09-29 Korg Inc 楽音コントローラ
JP2006527393A (ja) * 2003-06-06 2006-11-30 ギトーチ リミテッド 増幅されたギター用のダイナミックコントローラを具えるマルチサウンドエフェクトシステム
JP2005100131A (ja) * 2003-09-25 2005-04-14 Yamaha Corp パラメータ設定装置およびパラメータ設定プログラム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013762A1 (fr) * 2015-07-22 2017-01-26 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif de traitement de son et procédé de traitement de son
US20230418551A1 (en) * 2020-11-10 2023-12-28 Alphatheta Corporation Audio device, control method for audio device, and program

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JPWO2013121579A1 (ja) 2015-05-11

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