EP1047044A1 - Dispositif d'acquisition et de traitement de signaux pour la commande d'un appareil ou d'un processus - Google Patents
Dispositif d'acquisition et de traitement de signaux pour la commande d'un appareil ou d'un processus Download PDFInfo
- Publication number
- EP1047044A1 EP1047044A1 EP00400869A EP00400869A EP1047044A1 EP 1047044 A1 EP1047044 A1 EP 1047044A1 EP 00400869 A EP00400869 A EP 00400869A EP 00400869 A EP00400869 A EP 00400869A EP 1047044 A1 EP1047044 A1 EP 1047044A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- analog
- signals
- configuration
- control
- inputs
- 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.)
- Granted
Links
- 238000012545 processing Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 11
- 230000008569 process Effects 0.000 title claims description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000004048 modification Effects 0.000 claims abstract description 8
- 238000012986 modification Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010200 validation analysis Methods 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 206010049816 Muscle tightness Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
- G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
- G10H1/0058—Transmission between separate instruments or between individual components of a musical system
- G10H1/0066—Transmission between separate instruments or between individual components of a musical system using a MIDI interface
-
- 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
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
- G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
- G10H3/186—Means for processing the signal picked up from the strings
- G10H3/188—Means for processing the signal picked up from the strings for converting the signal to digital format
Definitions
- the invention relates to an acquisition device and signal processing for controlling a device or process, including means for data processing, conversion means analog-to-digital signals supplied by sensors and applying digitized signals to data processing means, these generating, in function of digitized signals, order developed in accordance with a determined communication and having predetermined configurations, and means of transmission of these control signals for their application to at least one device or process cited above.
- MIDI Musical Instrument Digital Interface
- MMA MIDI Manufacturers Association
- MIDI messages indicate the start and end of the generation of a particular note, its volume, its modulation, a change in value of a controller, a change of program, one press per channel and a variation in height.
- Other MIDI messages can be used to transmit any data, like for example the result of the conversion analog-digital of an analog input signal.
- the object of the invention is a device signal acquisition and processing, intended for transmission of signals or control messages of the aforementioned type, for example "MIDI", which allows a user to change the configuration of these control signals or messages and therefore modify the operation of the device or the course of the process controlled by this device.
- MIDI a device signal acquisition and processing
- the invention proposes, for this purpose, a device of the aforementioned type, comprising means of access to configuration parameters of said signals order, means of modification of these parameters and means for memorizing values modified these parameters, corresponding to a new configuration of at least some of the said control signals, characterized in that the means to access the configuration parameters include menus pre-recorded in a memory of the device and displayable on means of display, and means for selecting these menus.
- the means of access include a keyboard with a number reduced keys allowing essentially a selection, modification and validation of parameter values.
- the invention makes it possible to dynamically configure signals in real time or control messages which are transmitted by the device according to the signals provided by the sensors, these signals or control messages not being more frozen in time and allowing to change the real-time behavior of the device ordered or the process of the ordered process.
- the dynamic configuration of control signals can be executed remotely by a host system provided means of communication compatible with those of the device according to the invention.
- control signals are configured according to the "MIDI" protocol and are intended to be applied to one or more devices of sound generation.
- control signals are intended to be applied to processing means information to graphics software, for example CAD or CAD type.
- the device shown in Figure 1 includes basically a data processing unit 10 with analog inputs intended to be connected to sensors C1, C2, C3, ..., a analog multiplexer 12 and a converter analog-digital 14 connecting these inputs to processing means comprising a microprocessor or microcontroller, a unit 16 for transmitting data in serial form, RAM 18 data logging, read only memory 20 recording programs and memory not volatile 22 recording values of user-selected configuration.
- the transmission unit 16 is connected by a demultiplexer 24 to 26 digital outputs four in number in the example shown.
- a digital input serial 28 is connected directly to the microprocessor of the processing unit 10 and the latter has a number of binary inputs 30 and binary outputs 32.
- a link 34 between the processing unit 10 and the multiplexer 12 allows to control the latter by clock signals for time multiplexing of signals supplied by sensors C1, C2, C3, ...
- the device according to the invention also comprises a user interface 36 of the screen type 38 - keyboard 40 conventionally connected to the treatment 10.
- screen 38 is a liquid crystal display comprising four lines of twenty characters each.
- the keyboard 40 includes four keys 42 of moving a cursor on screen 38 (towards the top, bottom, left and right), two keys 44 modification of parameters by increase and decrease and a validation key 46.
- the analog inputs of the device intended to be connected to sensors C1, C2, C3, ... are for example the number of 32 and are connected by the multiplexer 12 to analog to digital converter 14 which, in this embodiment, operates on eight bits by successive approximations.
- the logic inputs 30 are for example the number of eight, as well as logic outputs 32.
- Memory non-volatile 22 saves twenty sets configurations, each of which can be identified by name.
- the processing unit 10 allows to process and analyze signals analog provided by the sensors, transmitted by the multiplexer 12 and digitized by converter 14 and convert them into signals or messages from control configured in accordance with a predetermined communication such as "MIDI" by example, these control signals being transmitted by unit 16 and demultiplexer 24 at the outputs digital 26 which can each be connected to a device for operating these signals or messages from ordered.
- a predetermined communication such as "MIDI" by example
- Interface 36 allows a user to modify the configuration of these control signals.
- the means of access to the parameters of signal configuration include menus, viewable on screen 38. Keys on the keyboard 40 allow the user to select a menu, select a configuration parameter in this menu, modify its value and confirm the modified value. Changing the parameters of user configuration is applied immediately, in real time, at control signals generated by the device. All parameters defining a configuration of the control signals can be saved in memory 22, to be then reused.
- FIG. 2 An example of application of the invention is shown in Figure 2, where the reference 50 denotes a device according to the invention, such as that of the figure 1.
- An analog input of the device 50 is connected to a C1 sensor mounted on a music 52, such as an electric guitar equipped with microphones M connected to an input of a device 54 of generation of sounds, this apparatus 54 being designed for receive "MIDI" type control signals and comprising for this purpose an input connected to an output digital device 26 series 50.
- the device 54 is especially designed to generate sound effects predetermined, under control of sensor C1 and device 50, which are applied or added to sounds produced by instrument 52 or which transform these sounds in a predetermined way.
- Two audio outputs from the device 54 are connected for example by a table mixer 56 and an audio amplifier 58 at speaker sets 60.
- the C1 sensor is user operated and can be a variable resistance type pressure sensor in function of the pressure applied to a surface sensitive to this sensor, the latter delivering a signal analog voltage proportional to pressure exercised.
- This pressure is adjustable by a finger of the guitarist, especially when the C1 sensor is fitted on the guitar table.
- the output signal from sensor C1 is processed by the device 50 according to the invention which transmits a command message corresponding to the device 54, in which this control signal is used to modify according to a predetermined algorithm the output signals of the guitar microphones, for example for producing a sound effect particular.
- the device output signals 54 are transmitted by mixer 56 and amplifier 58 to speaker sets 60 which restore this particular sound effect.
- Sensors that can be connected to the inputs device 50 analog in this app are for example pressure sensors, breath, muscle tension, movement, etc. They allow to realize a new controller gestures for real-time control of sound production using algorithms IT.
- the logic inputs 30 of the device 50 can be connected to control devices such as pedals for example, generating signals logic or binary (for example voltages of zero and five volts respectively).
- the fourth logic inputs 30 allow, when they are used together, to convert a MIDI signal into eight bit binary coded information.
- the signal received by one of them allows to act dynamically on a configuration parameter of a "MIDI" signal associated with an analog input cited above.
- the signals entering the device 50 can be viewed on screen 38. You can either view an analog input among the 32 either observe all the signals simultaneously analog inputs, for example each on a small seven-segment VU meter for displaying variations of each input signal on a scale graduated from one to seven.
- Logic outputs 32 of device 50 deliver all-or-nothing signals for the control of devices whose operation is binary, for example lamps or diodes bright.
- the digital input 28 (figure 1) of the device according to the invention allows it to receive signals or "MIDI" command messages from an external device, these signals being intended to change certain configuration parameters and control the outputs digital.
- the user interface of the device 50 allows to modify configuration parameters of a certain number of "MIDI" messages such as for example than active note, active note plus pressure polyphonic, active note with threshold of triggering, change of value of a controller, change in value of a controller with threshold of trigger, program change with threshold trigger, height change, pressure polyphonic, pressure per channel, exclusive message seven bits and eight bit exclusive message.
- MIDI a certain number of "MIDI" messages
- the analog signal treated corresponds to an envelope evolving during of time and presenting a maximum.
- the unit of processing 10 analyzes this envelope and identifies the maximum. When this is reached, a message "MIDI" of the active note type is generated. Velocity associated with the note is equal to the maximum of the envelope.
- the note number (defining the note) which is contained in the message is adjustable by the user by means of the aforementioned interface 36.
- the note issued is maintained as long as the envelope of the analog signal remains above a threshold predetermined.
- an inactive note “MIDI” message is sent to stop generating the note.
- the inactive score threshold is calculated from maximum of the analog signal envelope and is user adjustable via interface 36.
- the menus which are pre-stored in the memory of device according to the invention include for example, in addition to a home menu with fields of loading, saving, and selecting menus configuration of analog inputs and device logic inputs.
- a first menu for configuring the inputs analog selects the number or name of a prerecorded set of values of parameters of all analog inputs and all the logic inputs of the device, and includes an analog input selection field whose configuration you want to modify and configuration fields for the parameters of a signal command developed from the signal on this analog input. For example, a first field allows to decide if the signal on the input analog must be converted or not into signal ordered. Another field allows you to select how the variations of the signal present on the input analog will be interpreted for the elaboration of the control signal, which may vary in the same direction as the signal on the analog input or in the opposite direction.
- the device is capable of generating eleven different messages, which are based on seven messages MIDI channels and on system MIDI messages exclusive, the seven channel messages being for example : note pressed, note released, pressure polyphonic, change of value of a controller, program change, pressure per channel and height variation.
- Exclusive messages allow to transmit the result of the analog to digital signal conversion, out of seven bits or eight bits.
- a parameter of the control signal for example the fixed parameter of a MIDI message associated with an input analog
- this parameter value can correspond to a MIDI note number, to a number of MIDI controller or to a MIDI program number, in depending on the type of MIDI message that was chosen.
- a another field allows you to select the MIDI channel on to which the MIDI message applies.
- a second input configuration menu analog includes a field for select the number of a logic input controlling a control signal parameter, for example the fixed parameter of the MIDI message. Another field of this second menu allows to set the alternative value the control signal parameter, for example the fixed parameter of a MIDI message.
- Multiple entrances analog can be controlled by the same input logic, the logic control signal allowing transpose or reconfigure all signals present on these analog inputs.
- Another field in the second menu allows you to configure parameter values, such as note velocity or controller value of message with triggering threshold.
- a field additional allows you to configure the triggering of these messages.
- a third input configuration menu analog selects a coefficient of scaling of the value resulting from the analog-digital conversion of the signal present on the selected analog input, this value digital can be used as is if it is wish. Another field allows you to select a positive or negative value that is added to the value resulting from analog-to-digital conversion. Another field in this third menu allows to give priority to the different inputs analog active through a period of refresh corresponding to the number of cycles during which an entry is not observed, a cycle corresponding to the acquisition of all active inputs. This configuration is particularly interesting when an entry analog receives a slow signal or one not want to acquire at high speed.
- Another menu allows you to configure the inputs logical and includes a selection field for logic inputs that will be taken into account. A other field is used to determine the signal command which will be associated with the logic inputs when used together or when variations of the logic inputs that are taken into account. Another field in this menu allows you to adjust the values of the parameters of the control signals associated.
- the invention is also applicable to many other areas, for example in the area graphic for color management, brilliance, positions, etc. on a screen of visualization; in this case, suitable sensors, for example pressure and speed of movement allow the user to change the characteristics of the images appearing on the screen of visualization.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Description
- la figure 1 représente schématiquement les composants essentiels d'un dispositif selon l'invention ;
- la figure 2 représente schématiquement l'application de ce dispositif à la commande d'un appareil de génération de sons à partir d'un instrument de musique et des signaux fournis par un capteur.
Claims (13)
- Dispositif d'acquisition et de traitement de signaux pour la commande d'un appareil ou d'un processus, comprenant des moyens (10) de traitement de données, des moyens (14) de conversion analogique-numérique de signaux fournis par des capteurs (C1, C2, C3) et d'application des signaux numérisés aux moyens de traitement de données, ces derniers générant, en fonction des signaux numérisés, des signaux de commande élaborés conformément à un protocole de communication déterminé et ayant des configurations prédéterminées, et des moyens (16) de transmission de ces signaux de commande pour leur application à au moins un appareil ou processus précité (54), le dispositif comprenant également des moyens (36, 38, 40) d'accès à des paramètres de configuration desdits signaux de commande, des moyens (44) de modification de ces paramètres et des moyens (22) de mémorisation des valeurs modifiées de ces paramètres, correspondant à une nouvelle configuration d'au moins certains desdits signaux de commande, caractérisé en ce que les moyens d'accès aux paramètres de configuration comprennent des menus préenregistrés dans une mémoire du dispositif et affichables sur des moyens de visualisation (38), et des moyens (42) de sélection de ces menus.
- Dispositif selon la revendication 1, caractérisé en ce que les moyens d'accès comprennent un clavier (40) avec un nombre réduit de touches (42, 44, 46) essentiellement pour une sélection, une modification et une validation des paramètres de configuration.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'au moins un des capteurs précités est un moyen de commande actionnable par un utilisateur.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend des entrées de signaux analogiques, reliées aux capteurs précités et des entrées (30) de signaux logiques.
- Dispositif selon la revendication 4, caractérisé en ce que les menus préenregistrés en mémoire comprennent au moins un menu de configuration des entrées de signaux analogiques et un menu de configuration des entrées de signaux logiques.
- Dispositif selon la revendication 5, caractérisé en ce qu'il comprend un premier menu de configuration des entrées analogiques comprenant un champ de sélection d'entrée analogique et des champs de configuration des paramètres d'un signal de commande élaboré à partir du signal analogique de l'entrée sélectionnée, un deuxième menu de configuration des entrées analogiques, comprenant des champs de sélection d'un numéro d'entrée logique pour le pilotage d'un paramètre dudit signal de commande et des champs de réglage des valeurs de ce paramètre, et un troisième menu de configuration des entrées analogiques, comprenant des champs de sélection de mise à l'échelle d'une valeur de signal résultant d'une conversion analogique-numérique, de réglage d'une valeur ajoutée à la valeur résultant de la conversion analogique numérique, et de réglage d'une période de rafraíchissement de l'entrée analogique.
- Dispositif selon la revendication 5 ou 6, caractérisé en ce que le menu de configuration des entrées de signaux logiques comprend des champs de prise en compte de ces entrées, de sélection des signaux de commande associés à ces entrées et de paramétrage des signaux de commande.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend également au moins une entrée (28) de signaux numériques, en particulier de signaux du même type que les signaux de commande précités.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend des moyens (12) de multiplexage temporel des signaux fournis par les capteurs (C1, C2, C3, ...) et d'application des signaux multiplexés aux moyens (14) de conversion analogique-numérique.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que les sorties (26) des signaux de commande précités sont des sorties série.
- Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend également des sorties logiques (32).
- Dispositif selon l'une des revendications précédentes, caractérisé en ce que les signaux de commande sont configurés conformément au protocole de communication "MIDI" et sont destinés à être appliqués à un ou plusieurs appareils(54) de génération de sons.
- Dispositif selon l'une des revendications 1 à 11, caractérisé en ce que les signaux de commande précités sont destinés à être appliqués à des moyens de traitement de l'information à logiciel graphique, par exemple de DAO ou de CAO.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9905151 | 1999-04-22 | ||
| FR9905151A FR2792747B1 (fr) | 1999-04-22 | 1999-04-22 | Dispositif d'acquisition et de traitement de signaux pour la commande d'un appareil ou d'un processus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1047044A1 true EP1047044A1 (fr) | 2000-10-25 |
| EP1047044B1 EP1047044B1 (fr) | 2005-07-06 |
Family
ID=9544774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00400869A Expired - Lifetime EP1047044B1 (fr) | 1999-04-22 | 2000-03-29 | Dispositif d'acquisition et de traitement de signaux pour la commande d'un appareil ou d'un processus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6281830B1 (fr) |
| EP (1) | EP1047044B1 (fr) |
| DE (1) | DE60021142T2 (fr) |
| FR (1) | FR2792747B1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7220912B2 (en) * | 1999-04-26 | 2007-05-22 | Gibson Guitar Corp. | Digital guitar system |
| US6888057B2 (en) * | 1999-04-26 | 2005-05-03 | Gibson Guitar Corp. | Digital guitar processing circuit |
| US20040016338A1 (en) * | 2002-07-24 | 2004-01-29 | Texas Instruments Incorporated | System and method for digitally processing one or more audio signals |
| US7166794B2 (en) * | 2003-01-09 | 2007-01-23 | Gibson Guitar Corp. | Hexaphonic pickup for digital guitar system |
| US7220913B2 (en) * | 2003-01-09 | 2007-05-22 | Gibson Guitar Corp. | Breakout box for digital guitar |
| US7285714B2 (en) * | 2005-09-09 | 2007-10-23 | Gibson Guitar Corp. | Pickup for digital guitar |
| WO2008121650A1 (fr) * | 2007-03-30 | 2008-10-09 | William Henderson | Système de traitement de signaux audio destiné à de la musique en direct |
| US7808413B2 (en) * | 2009-01-23 | 2010-10-05 | Honeywell International Inc. | System and method for processing signals from multiple input devices |
| DE102011003976B3 (de) * | 2011-02-11 | 2012-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Eingabeschnittstelle zur Erzeugung von Steuersignalen durch akustische Gesten |
| CN115132157B (zh) * | 2021-03-24 | 2025-10-10 | 雅马哈株式会社 | 弦乐器及音响效果装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748887A (en) * | 1986-09-03 | 1988-06-07 | Marshall Steven C | Electric musical string instruments and frets therefor |
| EP0281214A2 (fr) * | 1987-02-19 | 1988-09-07 | Zyklus Limited | Dispositif de commande de données acoustiques et méthode de fonctionnement |
| WO1992009070A1 (fr) * | 1990-11-19 | 1992-05-29 | Kabushiki Kaisha Kawai Gakki Seisakusho | Unite de commande d'instrument de musique electronique |
| US5245130A (en) * | 1991-02-15 | 1993-09-14 | Yamaha Corporation | Polyphonic breath controlled electronic musical instrument |
| WO1993018504A1 (fr) * | 1992-03-12 | 1993-09-16 | Stelzel Jason A | Communication entre les domaines infrarouge et midi |
| US5576507A (en) * | 1994-12-27 | 1996-11-19 | Lamarra; Frank | Wireless remote channel-MIDI switching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5874909A (en) * | 1996-02-13 | 1999-02-23 | Texas Instruments Incorporated | Analog to digital video converter |
| US5801657A (en) * | 1997-02-05 | 1998-09-01 | Stanford University | Serial analog-to-digital converter using successive comparisons |
-
1999
- 1999-04-22 FR FR9905151A patent/FR2792747B1/fr not_active Expired - Fee Related
-
2000
- 2000-03-29 DE DE60021142T patent/DE60021142T2/de not_active Expired - Lifetime
- 2000-03-29 EP EP00400869A patent/EP1047044B1/fr not_active Expired - Lifetime
- 2000-04-18 US US09/551,886 patent/US6281830B1/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748887A (en) * | 1986-09-03 | 1988-06-07 | Marshall Steven C | Electric musical string instruments and frets therefor |
| EP0281214A2 (fr) * | 1987-02-19 | 1988-09-07 | Zyklus Limited | Dispositif de commande de données acoustiques et méthode de fonctionnement |
| WO1992009070A1 (fr) * | 1990-11-19 | 1992-05-29 | Kabushiki Kaisha Kawai Gakki Seisakusho | Unite de commande d'instrument de musique electronique |
| US5245130A (en) * | 1991-02-15 | 1993-09-14 | Yamaha Corporation | Polyphonic breath controlled electronic musical instrument |
| WO1993018504A1 (fr) * | 1992-03-12 | 1993-09-16 | Stelzel Jason A | Communication entre les domaines infrarouge et midi |
| US5576507A (en) * | 1994-12-27 | 1996-11-19 | Lamarra; Frank | Wireless remote channel-MIDI switching device |
Non-Patent Citations (1)
| Title |
|---|
| ANDERTON C: "KEYBOARD REPORTS", KEYBOARD,US,MILLER FREEMAN PUBLICATIONS, SAN FRANCISCO, vol. 23, no. 8, pages 109-110,112, XP000720150, ISSN: 0730-0158 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US6281830B1 (en) | 2001-08-28 |
| DE60021142T2 (de) | 2006-05-11 |
| DE60021142D1 (de) | 2005-08-11 |
| FR2792747B1 (fr) | 2001-06-22 |
| FR2792747A1 (fr) | 2000-10-27 |
| EP1047044B1 (fr) | 2005-07-06 |
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