WO2009136343A1 - Système d'enseignement optique pour instruments de musique - Google Patents

Système d'enseignement optique pour instruments de musique Download PDF

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Publication number
WO2009136343A1
WO2009136343A1 PCT/IB2009/051808 IB2009051808W WO2009136343A1 WO 2009136343 A1 WO2009136343 A1 WO 2009136343A1 IB 2009051808 W IB2009051808 W IB 2009051808W WO 2009136343 A1 WO2009136343 A1 WO 2009136343A1
Authority
WO
WIPO (PCT)
Prior art keywords
music
instrument
illuminator
signal
teaching system
Prior art date
Application number
PCT/IB2009/051808
Other languages
English (en)
Inventor
Eugen Onac
Marten J. Pijl
Berent W. Meerbeek
Martin J. J. Jak
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of WO2009136343A1 publication Critical patent/WO2009136343A1/fr

Links

Classifications

    • 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
    • G10H1/0008—Associated control or indicating means
    • G10H1/0016—Means for indicating which keys, frets or strings are to be actuated, e.g. using lights or leds
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music
    • G09B15/001—Boards or like means for providing an indication of chords
    • G09B15/002—Electrically operated systems
    • G09B15/003—Electrically operated systems with indication of the keys or strings to be played on 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
    • 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
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/091—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for performance evaluation, i.e. judging, grading or scoring the musical qualities or faithfulness of a performance, e.g. with respect to pitch, tempo or other timings of a reference performance
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/021—Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs, seven segments displays
    • G10H2220/026—Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs, seven segments displays associated with a key or other user input device, e.g. key indicator lights
    • G10H2220/046—Drumpad indicator, e.g. drumbeat strike indicator light on a drumpad or rim
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/021—Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs, seven segments displays
    • G10H2220/026—Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs, seven segments displays associated with a key or other user input device, e.g. key indicator lights
    • G10H2220/061—LED, i.e. using a light-emitting diode as indicator
    • G10H2220/066—Colour, i.e. indications with two or more different colours
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/155—User input interfaces for electrophonic musical instruments
    • G10H2220/405—Beam sensing or control, i.e. input interfaces involving substantially immaterial beams, radiation, or fields of any nature, used, e.g. as a switch as in a light barrier, or as a control device, e.g. using the theremin electric field sensing principle
    • G10H2220/411—Light beams

Definitions

  • the invention relates to teaching systems for music instruments and in particular to such teaching systems using optical guidance.
  • US5557055 discloses a musical keyboard instrument comprising an electronic keyboard and a control panel.
  • the keyboard is composed of black and white keys arranged in a conventional pattern.
  • a keyboard display made up of LED displays and red-green illuminators inform a user of the proper finger and hand positions to be used on the keyboard.
  • the upper surfaces of the keys are made partially transparent and light dispersive such that its apparent color to a player will change when properly back lit by the red-green illuminators.
  • the illuminators and the LED displays are controlled when a user makes selections from a bank of pushbutton switches.
  • US5557055 provides a optical guidance system for teaching how to play a keyboard instrument
  • US5557055 only provides relative simple guidance means such as red-green illuminators.
  • US5557055 only provides a guidance system for musical keyboards.
  • an improved music teaching system would be advantageous, and in particular a music teaching system capable of providing a student with advanced musical guidance.
  • the invention preferably seeks to mitigate, alleviate or eliminate one or more of the above mentioned disadvantages singly or in any combination.
  • a music teaching system comprising an illuminator for illuminating a music instrument and a controller for generating a control signal to the illuminator in response to a music input signal, wherein the illuminator is controllable in response to the control signal to adjust a duration of the illumination.
  • the invention is particularly, but not exclusively, advantageous for teaching a music student to play various instruments.
  • an illuminator that is controllable to illuminate a music instrument in response to a music input signal
  • the student or user of the instrument may learn to play the instrument by playing as indicated by the illumination.
  • One way to transform characteristics of the music input signal to illuminations characteristics is to transform music characteristics to variations of the duration of the illumination. For example a particular rhythm or tone may be transformed into light characteristics by, adjusting the duration of a period where light is radiated from the illuminator and/or by adjusting a frequency or duty cycle of light radiation periods.
  • the music teaching instrument may be a percussion instrument.
  • the music teaching system may be particular advantageous for percussion instruments.
  • the capability of transforming a rhythm of the music input signal into corresponding variations of durations where the instrument is illuminated may be advantageous for percussion instruments.
  • the illuminator may be controllable in response to the control signal to adjust a location of the music instrument where the music instrument is illuminated. Accordingly, by adjusting the position of illumination, characteristics of the music input signal may be transformed into variations of positions of illuminations within the instrument.
  • the illuminator may be controllable in response to the control signal to adjust a color of the illumination. Accordingly, by adjusting the color of radiated light, characteristics of the music input signal may be transformed into variations of colors of radiates light that illuminates the instrument.
  • the illuminator may controllable in response to the control signal to adjust a size of an illumination spot on the music instrument.
  • the spot size may be adjusted by adjusting the divergence of a beam of light radiated by the illuminator, by adjusting the number of radiation sources that radiate light (i.e. that are on) or by controlling the illuminator or radiation source by other means. Accordingly, by adjusting the size of an illumination spot, characteristic of the music input signal may be transformed into variations of sizes of one or more spots.
  • the illuminator may be controllable in response to the control signal to adjust an intensity of the illumination.
  • the intensity in response to e.g. the amplitude of a pitch in the music signal, the music student may be provided with an intuitive optical visualization of how the instrument should be played, so that the loudness of the sound from the instrument resembles that of the music input signal.
  • the illuminator may be controllable to temporally modulate one or more of the color, the illumination spot size, the location of illumination, the duration of illumination and the intensity of illumination.
  • the temporal modulation of the optical characteristics enables a temporal change of the color, the spot size, the location, the duration and the intensity, where the temporal change may resemble temporal changes of the music input signal, such as changes of rhythm, loudness, pitch, etc.
  • the music teaching system may comprise a sensor for sensing an output of a music instrument and a processor for comparing the output with the music input signal and for providing a result of the comparison.
  • the music student may be provided with feedback.
  • the feedback may inform the student of how well the instrument is played in comparison with the music input signal, where the feedback may be provided on-the-fly or subsequent to playing the instrument.
  • the music teaching system may comprise a sensor for sensing an output of a music instrument and a processor for converting the sensed output to the music input signal.
  • a music instrument which may be the music instrument used in connection with the music teaching system or another instrument
  • a piece of music can be played, recorded and converted into a music input signal.
  • a music teacher may be able to generate a music input signal to be played by a music student.
  • the generation of the music input signal may be performed on-the-fly (real time) so that the student and the teacher play their respective instruments simultaneously.
  • the generation of the music input signal may also be performed before the music input signal is provided to the music teaching system, by storing either the sensed output or the generated music input signal.
  • a second aspect of the invention provides a music instrument system comprising a music teaching system according to the first aspect and an instrument. Accordingly, the instrument may be combined with the music teaching system. For example, it may be beneficial to integrate the illuminator in the instrument.
  • a third aspect of the invention relates to a method for teaching music comprising generating a control signal from a music input signal supplied to a controller, illuminating a music instrument with light from an illuminator in response the control signal, where the illuminator is controllable in response to the control signal to adjust a duration of the illumination.
  • the invention relates to a music teaching system which is able to guide a user to play an instrument.
  • the user is guided by illuminating the instrument in response to a music signal, e.g. music notes supplied to the system.
  • the music signal is used for controlling how a controllable light device illuminates the instrument.
  • the controllable light device may be controlled to change a size of a light spot on the instrument, a color of emitted light or a period of time in which the light device illuminates the instrument.
  • the way the instrument is illuminated guides the user to play the instrument according to the music signal.
  • Fig. 1 shows a music teaching system for teaching a student to play a music instrument
  • Figs. 2A-2D show examples of illuminators for illuminating a music instrument
  • Fig. 3 shows a music teaching system with a feedback system
  • Fig. 4 shows a music teaching system for converting music into a music input signal.
  • Fig. 1 shows a music teaching system 100 for teaching or guiding a user to play a music instrument 150, for example a drum.
  • the teaching system comprises a controller 110 and a controllable illuminator 120 which is able to illuminate at least a part of the instrument 150 with light 130 emitted by the illuminator 120.
  • the controller 110 is provided with a music input signal 121.
  • the controller 110 uses the music input signal 111 for generating a control signal 121 which is supplied to the illuminator 120 for controlling the illumination of the instrument 150.
  • the music input signal may be stored on a storage media, e.g. a DVD, and read from the storage media by a media player 160.
  • the music input signal may be supplied via a data network, e.g. the Internet, and extracted from the data network by a data interface 160.
  • the illuminator 120 comprises a light source (not shown) capable of generating a beam of light.
  • the light source may comprise one or more light emitting diodes, lasers, and/or reflector lamps.
  • the direction of the light beam 130 may be adjustable by fixing the light source to a motorized orientation actuator capable of changing the direction of the light source.
  • the actuator may be constructed from motors, solenoids, piezoelectric devices and other devices capable of moving the light source or the entire illuminator 120.
  • the area or shape of the illuminated spot on the music instrument 150 may be adjustable by use of lenses and optical elements for expanding and shaping the light beam 130.
  • the intensity of the light beam 130 may be adjustable by use of power electronics for controlling the electric power supplied to the light source.
  • the color of the light beam 130 may be controllable by use of optical color filters inserted in the path of the beam 130, or by use of multiple light sources radiating different light colors, for example light emitting diodes with different colors.
  • the duration or period of time in which the light source emits light may be controllable by use of switching electronics for switching on and off the electric power supplied to the light source.
  • the illuminator 120 comprises a light source, and embodiments of the illuminator 120 additionally comprise any of the following components: an orientation actuator, beam shaping optical elements, power electronics for controlling the emitted light intensity, color filters, light sources having different color emissions, switching electronics controlling the period of time that a light source is on.
  • Figs. 2A-2D show different illuminators 120 and how the different illuminators may be used with the instrument 150.
  • Fig. 2A shows an embodiment where the illuminator 120 is positioned away from, e.g. above, the instrument.
  • the illuminator 120 may emit one or more beams 201 which illuminate the instrument with light spots 202.
  • the one or more beams 201 may be individually controllable by the illuminator 120, so that individual controllability is obtained of one or more of the following optical illumination characteristics: The location or position P of a light spot 202 relative to the instrument 150, the color C of a spot, the intensity of the light spot, the size S of a spot, and the duration D of the period of time in which the a beam 201 is emitted.
  • the illuminator 120 is controllable to temporally modulate the color C emitted by a light source, the illumination spot size S, the location of illumination P, the duration D of illumination and the intensity of illumination I.
  • the temporally modulated optical illumination characteristic may used for continuously or stepwise changing the position P of an illumination spot 202 in synchrony with the rhythm of the music.
  • the orientation of the light source of the illuminator is continuously adjustable, e.g. when the orientation is controlled with a stepper motor or other orientation actuators, the location P where the music instrument 150 is illuminated is continuously adjustable in response to the control signal 121.
  • Fig. 2B shows an embodiment where the illuminator 120 is arranged inside the instrument 150, such as a drum.
  • the illuminator may comprise a reflector based light source - for example light emitting diodes or lasers may advantageously be used inside instruments due to the low heat generation of such light sources.
  • the generation of multiple beams 201 may be achieved by use of multiple light sources.
  • a scanning mirror may be used to form multiple beams 201 by alternately reflecting light from the light source towards different locations on the instrument 150.
  • Fig. 2C shows an embodiment where the illuminator 120 comprises an array of light sources 230.
  • an array of light emitting diodes 230 could form an illuminator array 120. It may be an advantage to use an illuminator array, since the location P of a spot 202 and the size S of the spot 202 can adjusted by controlling which and how many light sources 230 are active, i.e. radiating light. Thus, expensive motorized actuators for controlling the orientation of reflector-type light source, e.g. an incandescent lamp, may be dispensed with.
  • Fig. 2D shows an embodiment where the illuminator 120 is ring shaped light source 240.
  • the ring shaped light source 240 may contain a plurality of individually controllable light sources 230 so that sections of the ring shaped light source 240 may be individually illuminated.
  • the ring shaped light source only has a single section, e.g. the entire ring, which may be illuminated.
  • the illuminator 120 could also be used in connection with other instruments, such as different types of percussion instruments, guitars and music keyboards.
  • guitars could be provided with an illuminator array 120 comprising an array of light sources 230.
  • Individual controllable light sources 230 could be integrated in the neck of a guitar, for example a plurality of light sources 230 could be distributed along the neck below each of the strings.
  • a music keyboard could be provided with individual controllable light sources in each of the tangents.
  • the music input signal 111 provided to the controller 110 may have different formats.
  • the music input signal could be a digitally formatted script of music notes as are used by musicians for reading how the instrument should be played.
  • the music notes of the music input signal 111 are processed by the controller 110 for generating the control signal 121.
  • the controller 110 processes the music input signal 111 to determine how the instrument 150 should be played.
  • the obtained knowledge of how the instrument should be played is embedded in the control signal 121.
  • the controllable illuminator 120 uses the embedded music information in the control signal 121 to change characteristics of the emitted light 130, such as the color C, intensity I, spot location P, duration D and spot sixe S.
  • the characteristic of the emitted light is interpreted by the user and, thereby, teaches the user to play the instrument in a particular way so that sound from the instrument resembles that of the music notes.
  • the music input signal may contain information saying that the drum should be hit with the left hand at a given position.
  • the controller 110 then converts the "left hand” and "position” information into control information embedded in the control signal 121.
  • the "left hand” information may be embedded as control information for controlling the illuminator 120 to emit a red colored beam 201 and the "position” information may be embedded as control information for controlling the illuminator 120 to form a light spot 202 at a given position P on the drum.
  • information in the music input signal indicating how hard the drum should be hit may be converted and embedded as control information for controlling the illuminator 120 to emit a beam 201 with an intensity I corresponding to how hard the drum should be hit.
  • a rhythm in the music input signal may be embedded as control information controlling the illuminator 120 to emit light for a given duration D.
  • the size S of a beam spot 202 may be used to encode other music characteristics - here encode should be understood as how a given music information in the music input signal 111 is expressed as a corresponding optical characteristic (P, C, I, S, D) of the light beam 130,201 and the light spot 202.
  • music information contained in the music input signal may be encoded differently. That is, the color C of the beam may encode other music information than "left or right hand" information. It is understood that multiple beams 201 may be emitted and each beam 201 may be encoded independently. Similar encodings of the music input signal 111 can be used for other music instrument such as guitars and keyboards. For example, when light sources 230 of an illuminator 120 is provided in the keys of a keyboard, spot size S, color C, duration D, intensity I may be used for encoding music information similar to the example given above where the instrument is a drum.
  • the music input signal 111 is not limited to a music note signal, but may also be an audio signal, an audio signal with an embedded control signal, or a specific music control signal specifically encoded for the music teaching system 100.
  • an audio signal which as an example may be stored on a DVD an outputted by a media player 160, may be used as a music input signal for the controller 110.
  • the controller 110 is provided with a data processor for analyzing the audio information in the supplied audio signal and for converting the audio information to a control signal 121 by deriving control information to be embedded in the control signal 121.
  • the conversion of the audio signal 111 to a control signal 121 may comprise conversion of amplitudes in the audio signal to intensity (I) information and conversion of a rhythm to duration (D) information.
  • spectral information obtained by performing a spectral analysis of the audio signal may be compared with spectral sound characteristics of the drum for deriving position (P) information indicating where the drum should be hit.
  • the controller 110 may be dispensed with, since the embedded control information is equivalent with the control signal 121.
  • a music control signal 111 specifically encoded for the music teaching system 100 may comprise information which is equivalent with the control signal 121 so that the controller 110 may not be required for converting the music signal 111 to a control signal.
  • a music control signal 111 for a particular piece of music and for a particular instrument 150 may be determined by recording sound of that particular piece of music and from a similar instrument. The recording may be performed by arranging sensors, e.g. microphones or accelerometers, in vicinity of the instrument so that various musical parameters comprising intensity I, position P, duration D can be recorded.
  • the embedded control information of optical illumination characteristics may be contained in the control signal 121 as coded digital information which may be decoded by decoding electronics comprised by the illuminator 120.
  • the control signal 121 may be supplied to the illuminator via multiple wires, e.g. a 8-bit digital signal may be supplied via 8 wires or via an optical fiber.
  • the embedded control information of optical illumination characteristics may be contained in the control signal as analogue signals capable of controlling the illuminator 120 directly.
  • intensity information I may be embedded as voltage amplitude variations in a voltage signal supplied to a light source of an illuminator 120.
  • position information P may be embedded as a voltage signal supplied to a position actuator comprised by the illuminator 120 for adjusting the position of a light spot 202.
  • Fig. 3 illustrates an embodiment of the music teaching system 100 comprising a feedback system for providing the user of the teaching system 100 with information on how correct the instrument 150 is played.
  • the feedback comprises a sensor system 301 comprising one or more sensors 303, e.g. microphones or accelerometers, capable of sensing an output of the instrument 150. Accordingly, by sensing the output, the sensor system 301 is capable of sensing how the instrument is played, e.g. by sensing intensity I, position P where a drum, keyboard or guitar is hit or played or duration D of a tune.
  • the sensor system 301 may comprise processing electronics for processing signals from the sound sensor.
  • the sensors may be arranged in the vicinity of the music instrument or the sensors may be integrated with or in the instrument, for example within a drum or in the keys of a keyboard.
  • sensors such as accelerometers may be integrated in the sticks used for playing the drum, so that the sensors may provide information on where the instrument is played, how hard etc.
  • the sensor system 301 supplies a sensor signal 311 obtained from the sensor(s) 303 to a feedback processor 302.
  • the feedback processor 302 compares the sensor signal 311 with the music signal 111 for determining a feedback output 313, that is, a result of the comparison.
  • the music signal 111 may be supplied to the feedback processor 302 by connecting the music signal 11 to the input 312.
  • the feedback output 313 is used for informing the user of system 100 how correct the instrument is played.
  • the feedback output 313 may be derived and used real time and presented to the user e.g. as an audible signal, such as an audible signal or optical signal that generates a error sound or light when the instrument is not played correct.
  • the feedback output 313 may be used subsequent to playing the instrument, and reproduced as an audible or optical error signal simultaneously with reproducing a recorded version of the music played by the user.
  • the comparison between the music input signal and the sensor signal 311 may also be used for generating a statistical result showing how well the instrument was played.
  • the statistical result may as an example show a percentage of hits on a drum where the position P of the hit was correct or was comparable with the corresponding positional P information in the input music signal 111.
  • Fig. 4 illustrates an embodiment of the music teaching system 100 for converting the sounds of a teacher instrument 450 played by a teacher to a reference music signal 411.
  • the reference music signal 411 has the same format as the music input signal 111 and may, therefore by supplied to the controller 110 equivalently to the music input signal 111.
  • the teacher and the teacher instrument 450 may be placed distant from the teaching system 100 and, therefore, the reference music signal 411 could be transferred over a data network 412, such as the Internet, to the controller 110 or the data interface 160.
  • the reference music signal 411 is generated by recording an output from the instrument 450 with a sensor system 401 connected to one or more sensors 403. Thus, the output from the instrument corresponds to the music played at the teacher instrument 450 by the teacher.
  • the sensor system 401, sensors 403 and the sensor signal 402 generated by the sensor system 401 are functionally equivalent to the sensor system 301, sensor 303 and sensor signal 311 described in connection with Fig. 3.
  • the sensor system 401 supplies the sensor signal 402 to a reference signal processor 410 which processes the sensor signal 402 by extracting information from the sensor signal 402 on how the instrument 450 is played. For example, information on the position P where the instrument is hit could be extracted by comparing amplitudes from two or more microphones arranged with the instrument 450 or from accelerometers integrated with the drum sticks. Information on how hard the instrument is hit could be extracted from amplitudes of the sensor signal 202.
  • the user of the teaching system 100 is provided with optical illumination characteristics (P, C, I, S, D) so that the user can practice playing the instrument similarly to the teacher.
  • the controller 110 of the music teaching system 100 may be implemented on hardware or firmware as a dedicated control device comprising electronic components and data processors on an electronic circuit board.
  • the controller 110 may be implemented on a computer system comprising at least one computer having data processors and data storage means associated therewith.
  • the controller 110 may be implemented as a computer program product being adapted to enable the computer to perform the function of the controller 110.
  • some of the functions and devices of the controller such a current amplification circuits and relays, may be implemented in an interface device connectable to the computer.
  • the computer program product may be provided on any kind of computer readable medium, e.g. magnetically or optically based medium, or through a computer based network, e.g. the Internet.
  • the controller 110 may be provided with an input for receiving the music input signal.
  • the media player 160 or data interface 160 may be contained by the controller 110, e.g. the controller 110 may contain a DVD player for reproducing a music input signal 111 stored on the DVD media. In this case an input for receiving the music input signal may be dispensed with.
  • the controller 110 may be provided with an output connectable to the illuminator 120 for supplying the control signal 121 to the illuminator.
  • the controller 110 may be integrated with the illuminator 120 and, therefore, the illuminator 120 may be provided with an input for receiving a music input signal 111.
  • the illuminator 120 may contain one or more light sources, such as candescent lamps or LEDs. Alternatively, or additionally the illuminator may be connectable with such light sources.
  • the processor 302 for comparing an output of a music instrument with the music input signal 111, and the processor 410 for converting a sensed output of a music instrument to the music input signal 411, may be implemented in hardware or firmware as an electronic circuit device, possibly together with the controller 110.
  • the processor 302 and the processor 410 may be implemented as a computer program product on a computer system, possibly on the same computer system as the controller 110.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Auxiliary Devices For Music (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention porte sur un système d'enseignement de musique qui est apte à guider un utilisateur pour qu'il joue d'un instrument. L'utilisateur est guidé par l'éclairage de l'instrument en réponse à un signal musical, par exemple des notes de musique fournies au système. Le signal musical est utilisé pour commander la manière dont un dispositif de lumière commandable éclaire l'instrument. Par exemple, le dispositif de lumière commandable peut être commandé pour modifier une dimension d'un point lumineux sur l'instrument, une couleur de la lumière émise ou une période de temps durant laquelle le dispositif lumineux éclaire l'instrument. Ainsi, la manière dont l'instrument est éclairé guide le l'utilisateur pour qu'il joue de l'instrument selon le signal musical.
PCT/IB2009/051808 2008-05-08 2009-05-04 Système d'enseignement optique pour instruments de musique WO2009136343A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08155867 2008-05-08
EP08155867.8 2008-05-08

Publications (1)

Publication Number Publication Date
WO2009136343A1 true WO2009136343A1 (fr) 2009-11-12

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TW (1) TW200951895A (fr)
WO (1) WO2009136343A1 (fr)

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CN102831796B (zh) * 2012-07-10 2015-04-01 浙江大学 激光标识键盘乐器示教系统和示教方法
CN102842251B (zh) * 2012-07-10 2014-12-31 浙江大学 激光标识乐器示教系统和示教方法
CN106997770B (zh) 2016-01-22 2023-01-03 鼎卓创意科技股份有限公司 影音同步控制方法、影音同步控制系统及相关的电子装置

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USD952026S1 (en) 2020-01-21 2022-05-17 Paul William Wells Piano teaching aid

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