WO2017119115A1 - Système de commande audio - Google Patents

Système de commande audio Download PDF

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Publication number
WO2017119115A1
WO2017119115A1 PCT/JP2016/050473 JP2016050473W WO2017119115A1 WO 2017119115 A1 WO2017119115 A1 WO 2017119115A1 JP 2016050473 W JP2016050473 W JP 2016050473W WO 2017119115 A1 WO2017119115 A1 WO 2017119115A1
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WO
WIPO (PCT)
Prior art keywords
music
acoustic
digital
information
audio
Prior art date
Application number
PCT/JP2016/050473
Other languages
English (en)
Japanese (ja)
Inventor
紘 大塚
直人 高瀬
聡子 松永
功敬 三納
Original Assignee
Ｐｉｏｎｅｅｒ ＤＪ株式会社
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 ＤＪ株式会社 filed Critical Ｐｉｏｎｅｅｒ ＤＪ株式会社
Priority to JP2017560002A priority Critical patent/JP6756740B2/ja
Priority to PCT/JP2016/050473 priority patent/WO2017119115A1/fr
Publication of WO2017119115A1 publication Critical patent/WO2017119115A1/fr

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Definitions

  • the present invention relates to an acoustic control system.
  • an audio device such as a DJ device
  • a plurality of players and a mixer are connected by a LAN cable to enable a linked operation
  • the audio device and the computer are connected by a USB (Universal Serial Bus) cable, etc., and the audio information management program installed in the computer is executed, and the audio control information such as operation of the audio device is input to the computer.
  • a system for performing acoustic processing such as effects and mixing on music to be reproduced on a computer is known (see, for example, Patent Document 1).
  • the audio equipment and the computer need to be connected individually.
  • An object of the present invention is to provide an acoustic control system capable of realizing various DJ performances by connecting a plurality of acoustic devices and a computer without causing complicated wiring.
  • the acoustic control system includes two or more acoustic devices, a first communication unit that connects the two or more acoustic devices so as to communicate with each other, and the two or more acoustic devices are interlocked with each other.
  • a second communication means for communicatively connecting any one of the audio devices and a computer capable of executing a program for managing music information, and operating the two or more audio devices Is output to the one acoustic device via the first communication means, and the one acoustic device is transmitted to the computer via the second communication means.
  • the acoustic control information is output.
  • the schematic diagram showing the structure of the acoustic control system which concerns on embodiment of this invention The front view of the audio equipment which comprises the audio system in the said embodiment.
  • FIG. 1 shows an acoustic control system 1 according to an embodiment of the present invention.
  • the sound control system 1 is configured by connecting four digital players 2 as sound devices, a digital mixer 3 as sound devices, and a computer 4.
  • the four digital players 2 have a function of outputting acoustic control information when operated, and are connected to the digital mixer 3 by a LAN cable 5 as a first communication means.
  • the LAN cable 5 uses an IEEE 1394 standard interface.
  • the connection between the digital player 2 and the digital mixer 3 is not limited to this, and a MIDI (Musical Instruments Digital Interface: registered trademark / music electronic business association) standard interface may be used.
  • MIDI Musical Instruments Digital Interface: registered trademark / music electronic business association
  • the digital mixer 3 is communicably connected to the computer 4 via a USB cable 6 as a second communication means.
  • the digital mixer 3 is a master audio device that collectively outputs to the computer 4 the sound control information that is input every time the digital player 2 is operated and the sound control information that is generated by operating the digital player 2. Or one acoustic device).
  • the USB cable 6 uses a USB 2.0 standard interface.
  • the connection between the digital mixer 3 and the computer 4 is not limited to this, and may be connected with an IEEE 1394 standard LAN cable.
  • the computer 4 includes a CPU, a hard disk, and a memory such as a ROM, which will be described in detail later.
  • a program for managing music information can be executed, and based on the sound control information input from the digital mixer 3 via the USB cable 6, effects such as effects and mixing are performed on the music to be played back. Apply.
  • FIG. 2 shows the configuration of the control panel of the digital player 2.
  • the digital player 2 is provided with a slot of an optical disk such as a CD or a DVD.
  • the optical disk can be reproduced by inserting the optical disk into the slot, but also functions as an acoustic control device that outputs acoustic control information to the outside by operating various buttons on the control panel. That is, the digital player 2 as an audio device has an optical disc playback function and a playback control function for generating and outputting acoustic control information, and these functions can be switched arbitrarily by operating a button on the control panel. Switching means is provided.
  • the digital player 2 includes a play / pause button 2A, a cue button 2B, a search button 2C, a track search button 2D, a loop adjustment button 2E, a hot cue button 2F, a jog dial 2G, a jog dial display 2H, a master tempo adjustment slider 2I, and beat synchronization.
  • a button 2J and a music information display unit 2K are provided.
  • the play / pause button 2 ⁇ / b> A can generate acoustic control information for performing playback or stop for an external device connected to the digital player 2.
  • the cue button 2B is a button for setting a cue point. When the play / pause button 2A is pressed during playback and the cue button 2B is continuously pressed, a cue point is set. When the cue button 2B is pressed during reproduction, it is possible to generate acoustic control information that returns to a preset cue point and repeats reproduction from the cue point.
  • the search button 2C is a button for fast-forwarding and rewinding the track. When the search button 2C is operated, it is possible to generate acoustic control information for fast-forwarding and rewinding the track.
  • the track search button 2D is a button for cueing a track. By operating the track search button, it is possible to generate acoustic control information for performing cueing of a track by performing fast forward and fast reverse.
  • the loop adjustment button 2E is a button for setting a position for performing loop reproduction. Press one loop adjustment button 2E to set the position to start loop playback during playback, and after playback for a predetermined length, press the other loop adjustment button 2E to set the position to end the loop. Can be generated.
  • the jog dial 2G is a dial with which an operator operates the jog dial 2G to change the rotation speed. By operating the jog dial 2G, it is possible to generate acoustic control information for performing acoustic processing such as scratching and pitch bend on the music being reproduced.
  • the jog dial display portion 2H is a portion that displays whether the digital player 2 is in the VINYL mode or the CDJ mode. In the VINYL mode, the built-in LED is lit. In the VINYL mode, when the jog dial 2G is pressed during reproduction, the reproduction is stopped and reproduction can be performed at a speed corresponding to the operation of the jog dial 2G. On the other hand, in the CDJ mode, the reproduction according to the operation of the jog dial 2G can be stopped and the reproduction can be continued by the reproduction according to other settings.
  • the master tempo adjustment slider 2I is a volume switch that adjusts the playback speed of the track. By operating the master tempo adjustment slider 2I, it is possible to generate acoustic control information for adjusting the reproduction speed of the music to be reproduced.
  • the beat synchronization button 2J can generate acoustic control information for synchronizing its own BPM with the BPM (Beat Per Minute) of the digital mixer 3 set as the master acoustic device.
  • the music information display unit 2K is a liquid crystal display panel that displays music information being reproduced. The music information display section 2K displays the cue point set by the digital player 2, the track number being played, the playback waveform of the music analyzed by the music management program, and the like.
  • FIG. 3 shows a functional block diagram of the digital player 2.
  • the digital player 2 includes a control microcomputer 21, an ADC 22, a signal processing unit 23, and a LAN port 24.
  • the control microcomputer 21 is a microcomputer that controls the entire digital player 2, and controls the signal processing unit 23, the music information display unit 2K, and the jog dial display unit in addition to the switching control and volume control of the operation buttons 2A... 2H display control and digital data input / output control of the LAN port 24 are performed.
  • An ADC (Analog Digital Converter) 22 converts an analog signal input by various operations of the operation buttons 2 ⁇ / b> A... Slider 2 ⁇ / b> I into a digital signal and outputs the digital signal to the signal processing unit 23.
  • the signal processing unit 23 generates digital audio control information in response to the operation of the operation buttons 2A... Slider 2I and outputs the digital audio control information to the music information display unit 2K and the LAN port 24.
  • the signal processing unit 23 may be configured as a single-chip DSP (Digital Signal Processor), but may be configured as software executed on the control microcomputer 21.
  • the signal processing unit 23 conforms to the USB standard for the acoustic control information input via the LAN port 24 as in the case of the signal processing unit 34 of the digital mixer 3 described later. It has a function to convert to the format to be.
  • a USB port conforming to the USB 2.0 standard is also provided.
  • the LAN port 24 is an interface of the IEEE 1394 standard.
  • the LAN cable 5 is connected to the LAN port 24, and the acoustic control information generated by the signal processing unit 23 is output from the LAN port 24.
  • the output audio control information is input to the digital mixer 3 via the LAN cable 5.
  • FIG. 4 shows a control panel of the digital mixer 3.
  • the control panel of the digital mixer 3 is provided with channels CH1-CH4 corresponding to the four digital players 2, and the volume adjusting lever 3A, A cue button 3B and an equalizer adjustment switch 3C are provided.
  • a crossfader 3D, a touch panel 3E, an effect select button 3F, and an effect adjustment switch 3G are provided. These switches are provided to perform acoustic processing on the entire channel CH1-CH4.
  • the volume adjustment lever 3A is a lever that adjusts the reproduction volume of each channel CH1-CH4. By playing the volume adjustment lever 3A, it is possible to generate acoustic control information in which the reproduction volume is set.
  • the cue button 3B is a button for selecting a channel CH1-CH4 to be monitored. The selected channel can be monitored with headphones or the like.
  • the equalizer adjustment switch 3C is a volume switch that changes the frequency characteristics of each of the channels CH1 to CH4. By operating the equalizer adjustment switch 3C, it is possible to generate acoustic control information that changes the frequency characteristics for each of the low frequency, the mid frequency, and the high frequency.
  • the crossfader 3D is a lever that changes the volume balance between the digital players 2 of the channels CH1 and CH2 and the digital players 2 of the channels CH3 and CH4.
  • By operating the cross fader 3D it is possible to generate acoustic control information in which the reproduction volume of the digital player 2 of the channels CH1, CH2 and the channels CH3, CH4 is adjusted in a trade-off relationship.
  • the crossfader 3D is used when the music played on the channels CH1 and CH2 is switched to playback on the channels CH3 and CH4.
  • the touch panel 3E serves as an operator when applying an effect to the music, but also has the same function as the music information display unit that displays the performance status. By operating the touch panel 3E, the timing correction of the input MIDI data is performed, the music being played is displayed graphically, and the touch panel 3E is operated to mix a plurality of music or replace the music. Sound control information to be performed can be generated.
  • the effect select button 3F is a button for applying an effect to the music reproduced on the channels CH1 to CH4, and can generate sound control information for applying an effect such as delay, echo, reverb, phaser and the like.
  • the effect adjustment switch 3G is a volume switch that changes the frequency characteristic of the effect selected by the effect select button 3F, and generates acoustic control information that changes the frequency characteristic for each of the low frequency, middle frequency, and high frequency. can do.
  • FIG. 5 shows a functional block diagram of the digital mixer 3.
  • the digital mixer 3 includes a control microcomputer 31, an ADC 32, a LAN port 33, a signal processing unit 34, a USB port 35, and a DAC 36.
  • the control microcomputer 31 is a microcomputer that controls the entire digital mixer 3.
  • the ADC 32 converts an analog signal input by various operations of the operation lever 3A... Operation switch 3G into a digital signal and outputs the digital signal to the signal processing unit 34.
  • the LAN port 33 receives the sound control information output from the digital player 2 of the channels CH 1 to CH 4, and the input sound control information is output to the signal processing unit 34.
  • the signal processing unit 34 generates digital acoustic control information according to the operation state of the operation lever 3A... Operation switch 3G, and outputs it to the touch panel 3E and the USB port 35.
  • the signal processing unit 34 converts the sound control information of the channels CH1 to CH4 input via the LAN port 33 into a format conforming to the USB standard, and outputs the converted information to the USB port 35.
  • the signal processing unit 34 may be configured as a one-chip DSP, but may be configured by software executed on the control microcomputer 31.
  • the USB port 35 is an interface of the USB 2.0 standard, and the above-described USB cable 6 is connected, and the acoustic control information generated and converted by the signal processing unit 34 is output from the USB port 35.
  • the output acoustic control information is input to the computer 4 via the USB cable 6.
  • the USB port 35 includes a buffer, and the buffer has a plurality of areas for storing the acoustic control information of the channels CH1 to CH4 and the acoustic control information generated by operating the digital mixer 3 in parallel. Prepare. The acoustic control information of each channel CH1-CH4 and the acoustic control information by the digital mixer 3 are simultaneously output from the USB port 35.
  • a DAC (Digital Analog Converter) 36 converts the digital signal processed by the signal processing unit 34 into an analog signal.
  • the signal converted into the analog signal is mainly music reproduction information (music reproduction information), which is omitted from illustration, but from an audio output device such as a speaker via an audio cable connected to the audio output terminal. Audio output is performed.
  • FIG. 6 shows a functional block diagram of the computer 4.
  • the computer 4 includes a CPU 4A as a hardware configuration, a storage device 4B such as a hard disk and an SD memory, a display 4C, and a USB port 4D.
  • the CPU 4A is configured as a general-purpose arithmetic processing device, and includes an I / O driver 41 that is executed on the OS and a music management program 42.
  • the storage device 4B includes a program storage unit 43 that stores the I / O driver 41 and the music management program 42, a music storage unit 44 that stores music to be played back, and an acoustic processing storage unit 45 that stores acoustic processing on the played music. Is provided.
  • a thin display device such as a liquid crystal display device is used for the display 4C.
  • the USB port 4D is configured as an interface of the USB 3.1 standard, is connected to the USB cable 6 described above, and receives acoustic control information output from the digital mixer 3.
  • the I / O driver 41 is configured as a program for performing input control of various acoustic control information input to the USB port 4D and output control of acoustic information reproduced by the music management program 42.
  • the music management program 42 is configured as a program that performs management, analysis, effect processing, and the like of music stored in the storage device 4B.
  • the music management program 42 includes a music management unit 46, a music analysis unit 47, a reproduction control unit 48, a reproduction processing unit 49, and a display information control unit 50.
  • the music management unit 46 performs search, selection, creation of a playlist, and the like of music to be played out of the music stored in the music storage unit 44.
  • the music analysis unit 47 analyzes the music stored in the music storage unit 44. Specifically, the music analysis unit 47 performs analysis using, for example, FFT (Fast Fourier Transform), etc., detects the beat position and tempo of the music, and adjusts the music to be played back as necessary. Do.
  • the reproduction control unit 48 performs reproduction control of the reproduction processing unit 49 in accordance with an operation of an input device (not shown) such as a keyboard and a mouse of the computer 4. In addition, the playback control unit 48 performs playback control of the playback processing unit 49 based on the acoustic control information input from the USB port 4D.
  • the reproduction processing unit 49 performs reproduction processing of the music stored in the music storage unit 44 based on the acoustic control information input from the reproduction control unit 48, and also stores the music to be reproduced in the acoustic processing storage unit 45.
  • the stored music processing is performed to generate music reproduction information.
  • Music selection, playback order, channel setting of the digital mixer 3 and the like are set by the music management unit 46.
  • the music is played back according to the sound control information of the playback control unit 48, and the music to be played is subjected to sound processing such as scratch, pitch bend, loop playback, equalizer processing, and effects stored in the sound processing storage unit 45. Then, music reproduction information is generated.
  • the reproduction processing unit 49 outputs the generated music reproduction information from the USB port 4D.
  • the display information control unit 50 generates music display information to be displayed on the display 4C. Specifically, the display information control unit 50 displays the title, track position, effect setting, and the like of the reproduced music on the display 4C. The display information control unit 50 outputs the generated music display information from the USB port 4D. Music display information is input to the digital mixer 3 via the USB cable 6.
  • the DJ performer operates the music management unit 46 of the music management program 42 to select the music to be played back, and sets the channel CH1-CH4 of the digital mixer 3 to be played, the playback order of the music, and the like. Also, the correspondence between the operation button 2A of the digital player 2... Slider 2I, the operation lever 3A of the digital mixer 3... Operation switch 3G, and the acoustic processing set in the acoustic processing storage unit 45 is set. deep. When these settings are completed, the DJ performer operates the play / pause button 2A of the digital player 2 to start music reproduction by the reproduction processing unit 49 of the music management program 42.
  • the digital player 2 When the DJ performer operates each digital player 2 during music reproduction, the digital player 2 outputs sound control information in digital format.
  • the output audio control information is input to the digital mixer 3 via the LAN cable 5.
  • the digital mixer 3 collectively outputs the sound control information input from each digital player 2 together with the sound control information generated by the DJ performer operating the digital mixer 3, and the computer 4 via the USB cable 6.
  • acoustic control information is input to the music management program 42 via the I / O driver 41, and the playback control unit 48 of the music management program 42 controls the playback processing unit 49 based on the acoustic control information. Do.
  • the reproduction processing unit 49 performs reproduction processing of the music, calls the acoustic processing corresponding to the input acoustic control information from the acoustic processing storage unit 45, performs the acoustic processing on the music to be reproduced, and obtains the music reproduction information. Generate.
  • the display information control unit 50 generates music display information such as the music title, track position, effect setting, etc. of the reproduced music and displays it on the display 4C.
  • the music management program 42 outputs the music reproduction information and music display information reproduced by the reproduction processing unit 49 to the I / O driver 41 and also from the USB port 4D.
  • the music reproduction information and music display information are input to the digital mixer 3 via the USB cable 6.
  • the signal processing unit 34 of the digital mixer 3 outputs the input music reproduction information to the DAC 36.
  • the DAC 36 converts the music reproduction information in the digital format into the music reproduction information in the analog format, and outputs the music reproduction information to the speaker 8 via the audio cable 7.
  • the speaker 8 is a sound that has been subjected to acoustic processing according to the operation of the DJ performer. Output information.
  • the signal processing unit 34 converts the music display information into a format conforming to the IEEE 1394 standard, and outputs the music display information from the LAN port 33 to the digital player 2 of the channels CH1 to CH4 via the LAN cable 5.
  • the signal processing unit 23 of the digital player 2 displays the music display information on the music information display unit 2K based on the input music display information.
  • the music management program 42 can perform the audio processing on the music to be reproduced simultaneously. Since the music management program 42 outputs the music display information generated by the display information control unit 50 to the digital player 2, the music playback position and the like can be confirmed on the music information display unit 2K of the digital player 2. A variety of DJ performances can be realized.
  • the present invention is not limited to this, and includes the following modifications.
  • the acoustic control system 1 connects four digital players 2 to the digital mixer 3, but the present invention is not limited to this.
  • Two or three digital players 2 may be connected to the digital mixer 3.
  • the digital mixer 3 is the master acoustic device, but the present invention is not limited to this.
  • any one of the digital players 2 is connected to the computer 4 as a master audio device, another digital player 2 or a digital mixer 3 may be connected to the digital player 2 serving as the master audio device.
  • connection method is also arbitrary.
  • the digital player 2 may be connected to a computer, and the digital player 2, the digital mixer 3, the digital player 2, and the digital player 2 may be connected in a so-called daisy chain.
  • the specific structure for carrying out the present invention may be other structures as long as the object of the present invention can be achieved.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

L'invention concerne un système de commande audio qui comprend : au moins deux appareils audio (2, 3); un premier moyen de communication (5) pour relier les appareils audio (2, 3) pour permettre une communication entre eux, et faire fonctionner les deux ou plus de deux appareils audio (2, 3) verrouillés l'un avec l'autre; un second moyen de communication (6) pour relier un appareil audio (3) parmi les deux ou plus de deux appareils audio (2, 3) avec un ordinateur (4) capable d'exécuter un programme de gestion d'informations musicales pour permettre une communication entre eux. Les informations de commande audio, en fonction du fonctionnement des deux ou plus de deux appareils audio (2, 3), sont fournies à un appareil audio (3) par l'intermédiaire du moyen de communication (5), et un appareil audio (3) fournit les informations de commande audio à l'ordinateur (4) par l'intermédiaire du second moyen de communication (6).
PCT/JP2016/050473 2016-01-08 2016-01-08 Système de commande audio WO2017119115A1 (fr)

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Application Number Priority Date Filing Date Title
JP2017560002A JP6756740B2 (ja) 2016-01-08 2016-01-08 音響制御システム
PCT/JP2016/050473 WO2017119115A1 (fr) 2016-01-08 2016-01-08 Système de commande audio

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Application Number Priority Date Filing Date Title
PCT/JP2016/050473 WO2017119115A1 (fr) 2016-01-08 2016-01-08 Système de commande audio

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WO2017119115A1 true WO2017119115A1 (fr) 2017-07-13

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2019167217A1 (fr) * 2018-03-01 2019-09-06 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Équipement audio
WO2022054263A1 (fr) * 2020-09-11 2022-03-17 ＡｌｐｈａＴｈｅｔａ株式会社 Appareil acoustique

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Publication number Priority date Publication date Assignee Title
WO2019167217A1 (fr) * 2018-03-01 2019-09-06 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Équipement audio
JPWO2019167217A1 (ja) * 2018-03-01 2021-02-12 ＡｌｐｈａＴｈｅｔａ株式会社 音響機器
JP7011032B2 (ja) 2018-03-01 2022-01-26 ＡｌｐｈａＴｈｅｔａ株式会社 音響機器
US12020672B2 (en) 2018-03-01 2024-06-25 Alphatheta Corporation Audio equipment
WO2022054263A1 (fr) * 2020-09-11 2022-03-17 ＡｌｐｈａＴｈｅｔａ株式会社 Appareil acoustique
JP7498784B2 (ja) 2020-09-11 2024-06-12 ＡｌｐｈａＴｈｅｔａ株式会社 音響装置

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