EP1047044B1 - 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
- EP1047044B1 EP1047044B1 EP00400869A EP00400869A EP1047044B1 EP 1047044 B1 EP1047044 B1 EP 1047044B1 EP 00400869 A EP00400869 A EP 00400869A EP 00400869 A EP00400869 A EP 00400869A EP 1047044 B1 EP1047044 B1 EP 1047044B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- analog
- signals
- control signals
- signal
- 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.)
- Expired - Lifetime
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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 the control of a apparatus or process, including means of data processing, conversion means analog-digital signals provided by sensors and application of digitized signals to means of data processing, these generating, in function of the digitized signals, developed in accordance with a protocol of determined communication and having predetermined configurations, and means of transmission of these control signals for their application to at least one apparatus or process supra.
- MIDI Musical Instrument Digital Interface
- MMA MIDI Manufacturers Association
- MIDI MIDI Manufacturers Association
- these messages indicate the beginning and the end of the generation of a particular note, its volume, its modulation, a change of value of a controller, a change of program, a pressure per channel and a variation of height.
- Other "MIDI" messages can be used to transmit any data, as for example the result of the conversion analog-digital signal of an analog input signal.
- EP-A-281214 An example of such a device is described in EP-A-281214.
- the object of the invention is a device acquisition and processing of signals intended for the transmission of signals or command messages of the aforementioned type, for example "MIDI", which allows a user to change the configuration of these signals or command messages and therefore to modify the operation of the apparatus or the course of the process controlled by this device.
- MIDI a device acquisition and processing of signals intended for the transmission of signals or command messages of the aforementioned type
- the invention proposes, for this purpose, a device as set forth in claim 1.
- the means of access include a keyboard with a number reduced keys allowing selection, modification and validation of parameter values.
- the invention makes it possible configure dynamically and in real time the signals or control messages that are transmitted by the device according to the signals provided by the sensors, these signals or control messages being more fixed in time and allowing to change the real-time behavior of the controlled device or the process of the ordered process.
- the dynamic configuration of the control signals can be remotely executed 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 for application to one or more devices of sound generation.
- control signals are intended to be applied to processing means from information to graphic software, for example from CAD or CAD type.
- the device represented in FIG. essentially a data processing unit 10 with analogue inputs intended to be connected to sensors C1, C2, C3, ..., a analog multiplexer 12 and a converter analog-digital 14 linking these inputs to processing means including a microprocessor or microcontroller, a transmission unit 16 of data in serial form, a RAM 18 data logging, a ROM 20 recording programs and a non memory volatile 22 recording values of configuration selected by the user.
- processing means including a microprocessor or microcontroller, a transmission unit 16 of data in serial form, a RAM 18 data logging, a ROM 20 recording programs and a non memory volatile 22 recording values of configuration selected by the user.
- the transmission unit 16 is connected by a demultiplexer 24 to 26 series digital outputs four in the example shown.
- a digital input serial 28 is connected directly to the microprocessor of the processing unit 10 and this 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 the time multiplexing of the signals provided by the sensors C1, C2, C3, ...
- the device according to the invention further comprises a user interface 36 of the screen type 38 - keyboard 40 connected in a conventional manner to the unit of treatment 10.
- screen 38 is a liquid crystal display consisting of four lines of twenty characters each.
- the keyboard 40 includes four keys 42 of moving a cursor on the screen 38 (towards the up, down, left and right), two keys 44 parameter modification by increase and decrease and a validation key 46.
- the analog inputs of the device destined to be connected to the sensors C1, C2, C3, ... are for example at the number of 32 and are connected by the multiplexer 12 to analog-to-digital converter 14 which, in this embodiment, works on eight bits by successive approximations.
- the logical inputs 30 are for example the number of eight, as well as the logic outputs 32.
- the memory non volatile 22 can save twenty sets configurations, each of which can be identified by name.
- the processing unit 10 allows to process and analyze signals provided by the sensors, transmitted by the multiplexer 12 and digitized by the converter 14 and convert them into signals or messages of command configured according to a protocol of predetermined communication such as "MIDI" by example, these control signals being transmitted by the unit 16 and the demultiplexer 24 at the outputs 26 that can each be connected to a apparatus for exploiting these signals or messages of ordered.
- a protocol of predetermined communication such as "MIDI" by example
- the interface 36 allows a user to modify the configuration of these control signals.
- the access means to the parameters of configuration of the signals include menus, Displayable on the screen 38.
- Keyboard keys 40 allow the user to select a menu, select a configuration setting in this menu, modify its value and validate the modified value. Changing the settings of user configuration is applied immediately, in real time, to control signals generated by the device.
- the set of 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 FIG. 2, where reference numeral 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 52, such as an electric guitar equipped with M microphones connected to an input of a device 54 of generation of sounds, this apparatus 54 being designed to receive control signals of the "MIDI" type and comprising for this purpose an input connected to an output 26 series digital device 50.
- the device 54 is especially designed to generate sound effects predetermined, under control of the sensor C1 and the device 50, which are applied or added to the sounds produced by instrument 52 or which transform these sounds in a predetermined manner.
- Two audio outputs of the apparatus 54 are connected for example by a table mixer 56 and an audio amplifier 58 to sets of speakers 60.
- the C1 sensor is operated by the user and can be a variable resistance type pressure sensor in function of the pressure applied to a surface sensitive of this sensor, the latter delivering a signal analog voltage proportional to the pressure exercised.
- This pressure can be modulated by a finger guitarist, especially when the C1 sensor is mounted on the guitar table.
- the output signal of the sensor C1 is processed by the device 50 according to the invention which transmits a control message corresponding to the apparatus 54, in which this command signal is used to modify according to a predetermined algorithm the output signals of the microphones of the guitar, for example for the production of a sound effect particular.
- the output signals of the device 54 are transmitted by the mixer 56 and the amplifier 58 to the sets of speakers 60 which restore this particular sound effect.
- Sensors that can be connected to the inputs analog of the device 50 in this application are for example pressure sensors, breath, muscle tension, displacement, etc. They allow to realize a new controller gesture for real-time control of sound production using algorithms computer.
- the logic inputs 30 of the device 50 can be connected to control devices such as pedals for example, generating signals logical or binary (for example, voltages of zero and five volts respectively).
- the fourth logical inputs 30 allow, when they are used together, to convert into a "MIDI" signal a information coded in binary on eight bits.
- the logic inputs 30 are used separately, the signal received by one of them allows to act dynamically on a configuration parameter of a "MIDI" signal associated with an analog input supra.
- the signals entering the device 50 can be viewed on screen 38. You can either visualize an analog input among the 32 provided, either observe all signals simultaneously analog input, for example each on a small seven-segment meter-meter, to display variations of each input signal on a scale graduated from one to seven.
- the logic outputs 32 of the 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 him to receive signals or "MIDI" command messages from an external device, these signals being intended to change some configuration settings and to drive the outputs digital.
- the user interface of the device 50 allows to change configuration settings of a number of "MIDI" messages, for example as active note, active note plus pressure polyphonic, active note with threshold of trigger, change of value of a controller, change in the value of a controller with a threshold of trigger, change of program with threshold of trigger, change of height, pressure polyphonic, pressure per channel, exclusive message seven bits and exclusive eight-bit message.
- MIDI a number of "MIDI" messages
- the analog signal treated corresponds to an envelope evolving during time and having a maximum.
- the unit of processing 10 analyzes this envelope and locates the maximum. When it is reached, a message "MIDI" of the active note type is generated. Velocity associated with the score 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 analog signal remains above a threshold predetermined.
- a MIDI message of the inactive note type is sent to stop the generation of the note.
- the Inactive note threshold is calculated from the maximum of the analog signal envelope and is user-adjustable via the interface 36.
- Menus that are pre-recorded in memory of device according to the invention comprise for example, In addition to a welcome menu with fields of loading, saving, and selecting menus configuration of analog inputs and logical inputs of the device.
- a first input configuration menu analogically allows you to select the number or name of a pre-recorded set of values of parameters of all analog inputs and all the logical inputs of the device, and includes a selection field of the analog input which one wishes to modify the configuration and parameter configuration fields of a signal from command developed from the signal present on this analog input. For example, a first field allows to decide if the signal on the input analogue must be converted or not into a signal of ordered. Another field allows you to select how the variations of the signal present on the input analogue will be interpreted for the elaboration of the control signal, which may vary in the same meaning as the signal on the analog input or in the opposite direction.
- Another field makes it possible to determine the type of control signal that the device will generate in response to variations of the analog signal present on the selected entry.
- 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 depressed, note released, pressure polyphonic, change of value of a controller, program change, pressure per channel and variation of height.
- 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 fixed parameter of a MIDI message associated with an input analogue, this parameter value being correspond to a MIDI note number, a number of MIDI controller or a MIDI program number, depending on the type of MIDI message that has been chosen.
- a another field allows to select the MIDI channel on which MIDI message applies.
- a second input configuration menu analogs includes a field allowing for select the number of a logic input driving a parameter of the control signal, for example the fixed parameter of the MIDI message. Another field of this second menu allows you to set the alternative value of the control signal parameter, for example the fixed parameter of a MIDI message.
- Several entries analog can be driven by the same input logic, the control logic signal allowing transpose or reconfigure all the signals present on these analog inputs.
- Another field in the second menu allows you to configure parameter values, such as a velocity of note or a controller value of message with trigger threshold.
- a field addition allows to configure the thresholds of triggering these messages.
- a third input configuration menu analogically allows you to select a coefficient of scaling of the value resulting from the analog-to-digital conversion of the signal present on the analog input selected, this value digital that 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 the analog-to-digital conversion. Another field of this third menu allows to give priority to different inputs active analogs by means of a period of Refreshing corresponding to the number of cycles during which an entry is not observed, a cycle corresponding to the acquisition of the totality active inputs. This configuration is particularly interesting when an entry analogue receives a slow signal or one of which do not want to buy at high speed.
- Another menu allows you to configure the inputs logical and includes a field of selection of logical inputs that will be taken into account. A another field makes it possible to determine the signal of command that will be associated with logical inputs when used together or variations of the logical inputs that are taken in account. Another field in this menu allows you to set the values of the parameters of the control signals associates.
- the invention is also applicable to many other areas, for example in the field graphic for color management, shine, positions, etc. on a screen of visualization; in this case, appropriate sensors, for example pressure and speed of movement allow the user to change the characteristics of the images appearing on the screen of visualization.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
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 moyens (42) de sélection de menus préenregistrés dans une mémoire du dispositif et affichables sur des moyens de visualisation (38) afin de sélectionner et modifier en temps réel des paramètres et appliquer immédiatement les paramètres modifiés auxdits signaux de commande.
- 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) 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 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 EP1047044A1 (fr) | 2000-10-25 |
EP1047044B1 true 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 |
---|---|---|---|---|
US6888057B2 (en) * | 1999-04-26 | 2005-05-03 | Gibson Guitar Corp. | Digital guitar processing circuit |
US7220912B2 (en) | 1999-04-26 | 2007-05-22 | Gibson Guitar Corp. | Digital guitar system |
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 |
US8180063B2 (en) * | 2007-03-30 | 2012-05-15 | Audiofile Engineering Llc | Audio signal processing system for live music performance |
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 |
CN115132157A (zh) * | 2021-03-24 | 2022-09-30 | 雅马哈株式会社 | 弦乐器及音响效果装置 |
Family Cites Families (8)
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 |
EP0281214A3 (fr) * | 1987-02-19 | 1989-10-18 | 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 |
US5296641A (en) * | 1992-03-12 | 1994-03-22 | Stelzel Jason A | Communicating between the infrared and midi domains |
US5576507A (en) * | 1994-12-27 | 1996-11-19 | Lamarra; Frank | Wireless remote channel-MIDI switching device |
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
Also Published As
Publication number | Publication date |
---|---|
DE60021142T2 (de) | 2006-05-11 |
FR2792747B1 (fr) | 2001-06-22 |
DE60021142D1 (de) | 2005-08-11 |
US6281830B1 (en) | 2001-08-28 |
FR2792747A1 (fr) | 2000-10-27 |
EP1047044A1 (fr) | 2000-10-25 |
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