WO1990013109A1 - Sound synthesizer in a vehicle - Google Patents

Sound synthesizer in a vehicle Download PDF

Info

Publication number
WO1990013109A1
WO1990013109A1 PCT/GB1990/000597 GB9000597W WO9013109A1 WO 1990013109 A1 WO1990013109 A1 WO 1990013109A1 GB 9000597 W GB9000597 W GB 9000597W WO 9013109 A1 WO9013109 A1 WO 9013109A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
signals
source
sound
desired sound
Prior art date
Application number
PCT/GB1990/000597
Other languages
French (fr)
Inventor
Anthony Malcolm Mcdonald
David Charles Quinn
David C. Perry
Original Assignee
Group Lotus Plc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10655385&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1990013109(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Group Lotus Plc filed Critical Group Lotus Plc
Priority to DE69023133T priority Critical patent/DE69023133T3/en
Priority to EP90906299A priority patent/EP0469023B2/en
Publication of WO1990013109A1 publication Critical patent/WO1990013109A1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves

Definitions

  • the invention relates to the treatment of noise in vehicles, in particular road vehicles.
  • the driver and passengers in the cabins of conventional passenger cars are exposed to a great deal of externally generated noise, due primarily to the vehicle engine.
  • Various proposals have been made for reduction of such ambient noise but the present invention is concerned with the enhancement of the vehicle noise experienced by the cabin occupants during normal driving conditions.
  • a noise enhancement system for use in a vehicle, the system comprising a source of signals representing desired sound related to vehicle operation, and means ' selectively operable and/or responsive to vehicle operation or experience to apply the signals to one or more loudspeakers or other transducers or vibration actuators so as to create for occupants of the vehicle a desired sound experience.
  • the source of the signals representing desired sound can be a prerecorded source and/or one or more transducers responsive to noise or to operation of the vehicle or its engine.
  • the transducer means can thus comprise for example one or more microphones or vibration sensors, preferably associated with signal treatment means.
  • the transducer outputs can thus be simply shaped to provide the desired sound.
  • the signals providing the desired sound can be obtained from a microprocessor-controlled synthesizer to which the transducer output is supplied, this output being employed to trigger the synthesizer to provide the desired signals at appropriate times.
  • One or more microphones can be located in the vehicle cabin to provide feedback to the signal treatment means.
  • the microprocessor controlling a synthesizer can store signals representing a desired sound to which the synthesizer can be arranged to adapt the transducer output.
  • the sounds heard by the user of a system embodying the invention can represent for example the sounds of a racing car or other high-performance road vehicle.
  • the system can then be such that these sounds are heard by the cabin occupants whilst the vehicle is being driven, so as to enhance the occupants driving experience.
  • the sounds of a high powered engine undergoing sharp acceleration can be produced in response to acceleration of a vehicle fitted with the system of the invention in ordinary driving conditions.
  • the system can be ⁇ responsive for example to gear changes and/or throttle movement.
  • the sounds need not be limited to engine noise; for example a warning sound, for example, the siren of a police car can be produced when a predetermined vehicle .engine speed is exceeded.
  • the one or more loudspeakers and/or one or more vibration actuators of the system arc typically located in the vehicle cabin but instead or as well one or more loudspeakers or actuators can be positioned in the engine compartment, or on appropriate engine or body parts to effect or to modify vibration thereof, so that the sound from them is heard by the vehicle cabin occupants, and by persons outside the vehicle by the same route as sound from the vehicle engine.
  • the system of the invention can stand alone, it is conveniently integrated with the in-car- entertainment (I.C.E) systems now typically provided in passenger cars.
  • the vehicle operation related sound can be integrated with entertainment sound but is preferably produced in alternation with it, either selectively or according to vehicle operation; for example the former may be heard during acceleration only, giving way to entertainment sound once cruising speed has been reached.
  • the system of the invention can also be integrated with an active noise reduction system which can reduce ambient noise by generating within the vehicle cabin sound vibrations of phase and amplitude such as to cancel or reduce unwanted noise. Noise reduction can thus be operative to prevent interference with the desired sound related to vehicle operation, as well as with entertainment sound, or it may be operative only as long as entertainment sound is being produced or when an integrated system is otherwise out of use.
  • Figure 1 is a block circuit diagram of a combined audio entertainment and noise control or processing system embodying the invention.
  • Figure 2 shows part only of a modified form of the system of Figure 1
  • the system illustrated in Figure 1 is an integrated system comprising all the components necessary to provide in the cabin of a passenger motor car one or more of enhanced vehicle operation noise, audio entertainment, and ambient noise reduction, as the operator of the system may desire.
  • the in-car entertainment (I.C.E.) components of the system comprise an audio signal source constituted by at least one of a radio tuner 2 connected to an aerial 4, and a deck or decks 5 for playing one or more of compact discs, digitally recorded tapes or cassettes.
  • the outputs from the tuner 2 and deck or decks 5 are fed to a pre-amplifier 6 fitted with conventional control arrangements 7 for signal source selection and for output adjustment, such as volume and bass and treble controls, or graphic equalization, and switching instruments to be described.
  • a pre-amplifier 6 fitted with conventional control arrangements 7 for signal source selection and for output adjustment, such as volume and bass and treble controls, or graphic equalization, and switching instruments to be described.
  • These I.C.E. components will typically provide signals on a plurality N of output channels and balance and fader controls will then be provided.
  • the pre-amplifier outputs are supplied by way of a mixer 9, preferably a balanced mixer, to power amplifier means 10 which powers one or more loudspeakers 11 operative in the vehicle cabin.
  • the system includes a prerecorded sound source 15 which can comprise a deck of one or other of the types of deck mentioned with reference to the deck 5, but which need not have the usual facility for selective replacement of the signal storage medium. Operation of the source 15 is dependent on a control signal related to vehicle operation, typically throttle movement or gear changes, derived from a transducer 16 and supplied to the source on line 17, so that the source delivers signals representing the sounds of acceleration of a high powered vehicle, or other such desirable sounds, during acceleration or other operation of the vehicle in which the system is installed.
  • a control signal related to vehicle operation typically throttle movement or gear changes
  • the system includes one or more microphones 20 providing outputs representing actual vehicle engine noise or the operating noise of some other vehicle component, which is fed to ' the pre-amplifier 6, after treatment in a signal treatment unit 21.
  • the signal treatment unit can comprise a relatively simple shaping circuit 21 where this can provide a satisfactory output to the pre-amplifier 6.
  • the system includes one or more transducers 22, for example vibration sensors, responsive to engine operation to provide signals to the preamplifier 6 after treatment in the signal treatment unit.
  • the signal treatment unit can be constituted as a synthesizer 24 controlled by a micro-processor 25.
  • the input from the or each microphone 20 or transducer 22 is then used to trigger the generation of a desired output from the synthesizer.
  • Enhanced engine or vehicle interior noise is again provided, again preferably at times dependent on vehicle operation, as by control from the transducer 16.
  • the outputs of the source 15 and the signal treatment unit are supplied to the pre-amplifier 6 on line 19 for sound production in the vehicle cabin by way of the amplifier means 10 and the loudspeakers 11.
  • the pre-amplifier output derived from the source 15 or the signal treatment unit can be used to drive one or more loudspeakers 26 located externally of the vehicle cabin, for example, in or near the engine co partment of the vehicle so as to enhance the sound actually produced by the vehicle engine, and/or a vibration actuator 27 operatively related to a vehicle panel 28.
  • the loudspeaker 26 and/or actuator 27 is powered by way of one or more power amplifiers 29.
  • the system includes an adaptive noise cancellation controller 30 which may advantageously be of the kind described in WO 88/02912, the contents of which are incorporated herein by reference.
  • the controller 30 provides, on L channels, output signals derived from a reference signal by adaptive filtering carried out by a programmed microprocessor and memory unit in dependence on error signals from one or more microphones 31.
  • the microphones 31 may be inconspicuously located in the cabin and the reference signal may be derived directly from the vehicle engine, as described in WO 88/02912.
  • the output of the one or more microphones 31 can be fed back to the signal treatment unit 21 or to the microprocessor 25, on line 32, so as to provide adaptive control of the unit, as towards a predetermined enhanced noise signal defined in a memory in the unit or in the microprocessor.
  • the outputs from the pre-amplifier 6 and the controller 30 are fed to the balanced mixer 9 operative to provide outputs for the power amplifier means 10 combining a desired audio signal from one or other of the sources 2 and 5 together with a noise cancelling signals from the controller 30, on which the amplifier control arrangements 7 have no effect.
  • the system is provided with an on/off switch controlling the power amplifiers 10 and 19 and the mixer 9, and selector switches for selecting any one or more of the enhanced noise facility, the entertainment facility, and the noise reduction facility.
  • the loudspeakers 11 will conveniently match in number the number of the output channels of the pre ⁇ amplifier 6, but there may be M channels between the balanced mixer 12 and the amplifiers 15, where M is equal to or greater than the larger of the N entertainment channels or the L noise reduction channels.
  • One or more of the sources 5 and 15 and the unit 21 may incorporate a pre-amplif ier and the output or outputs can then be supplied to the mixer 9 directly as indicated in the figure by broken lines.

Abstract

A noise enhancement system for use in a vehicle comprises a source (15, 20, 22) of signals representing desired sound related to vehicle operation for example the sound of a high power engine being accelerated. In dependence on sensed vehicle operation or experience, the signals are fed, to one or more loudspeakers (11, 26) or vibration actuators (27) so as to create for occupants of the vehicle a desired sound experience. The system can be integrated with one or both of an incar entertainment system and a noise cancellation system.

Description

Sound synthesizer in a vehicle
DESCRIPTION
The invention relates to the treatment of noise in vehicles, in particular road vehicles. The driver and passengers in the cabins of conventional passenger cars are exposed to a great deal of externally generated noise, due primarily to the vehicle engine. Various proposals have been made for reduction of such ambient noise but the present invention is concerned with the enhancement of the vehicle noise experienced by the cabin occupants during normal driving conditions.
According to the invention, there is provided a noise enhancement system for use in a vehicle, the system comprising a source of signals representing desired sound related to vehicle operation, and means' selectively operable and/or responsive to vehicle operation or experience to apply the signals to one or more loudspeakers or other transducers or vibration actuators so as to create for occupants of the vehicle a desired sound experience.
The source of the signals representing desired sound can be a prerecorded source and/or one or more transducers responsive to noise or to operation of the vehicle or its engine. The transducer means can thus comprise for example one or more microphones or vibration sensors, preferably associated with signal treatment means. The transducer outputs can thus be simply shaped to provide the desired sound. Instead, the signals providing the desired sound can be obtained from a microprocessor-controlled synthesizer to which the transducer output is supplied, this output being employed to trigger the synthesizer to provide the desired signals at appropriate times. One or more microphones can be located in the vehicle cabin to provide feedback to the signal treatment means. The microprocessor controlling a synthesizer can store signals representing a desired sound to which the synthesizer can be arranged to adapt the transducer output.
The sounds heard by the user of a system embodying the invention can represent for example the sounds of a racing car or other high-performance road vehicle. The system can then be such that these sounds are heard by the cabin occupants whilst the vehicle is being driven, so as to enhance the occupants driving experience.
In particular, the sounds of a high powered engine undergoing sharp acceleration can be produced in response to acceleration of a vehicle fitted with the system of the invention in ordinary driving conditions. The system can be ^responsive for example to gear changes and/or throttle movement. The sounds need not be limited to engine noise; for example a warning sound, for example, the siren of a police car can be produced when a predetermined vehicle .engine speed is exceeded.
The one or more loudspeakers and/or one or more vibration actuators of the system arc typically located in the vehicle cabin but instead or as well one or more loudspeakers or actuators can be positioned in the engine compartment, or on appropriate engine or body parts to effect or to modify vibration thereof, so that the sound from them is heard by the vehicle cabin occupants, and by persons outside the vehicle by the same route as sound from the vehicle engine.
Although the system of the invention can stand alone, it is conveniently integrated with the in-car- entertainment (I.C.E) systems now typically provided in passenger cars. The vehicle operation related sound can be integrated with entertainment sound but is preferably produced in alternation with it, either selectively or according to vehicle operation; for example the former may be heard during acceleration only, giving way to entertainment sound once cruising speed has been reached. The system of the invention can also be integrated with an active noise reduction system which can reduce ambient noise by generating within the vehicle cabin sound vibrations of phase and amplitude such as to cancel or reduce unwanted noise. Noise reduction can thus be operative to prevent interference with the desired sound related to vehicle operation, as well as with entertainment sound, or it may be operative only as long as entertainment sound is being produced or when an integrated system is otherwise out of use.
The invention is further described below, by way of example, with reference to the accompanying drawing in which: Figure 1 is a block circuit diagram of a combined audio entertainment and noise control or processing system embodying the invention; and
Figure 2 shows part only of a modified form of the system of Figure 1 , The system illustrated in Figure 1 is an integrated system comprising all the components necessary to provide in the cabin of a passenger motor car one or more of enhanced vehicle operation noise, audio entertainment, and ambient noise reduction, as the operator of the system may desire. The in-car entertainment (I.C.E.) components of the system comprise an audio signal source constituted by at least one of a radio tuner 2 connected to an aerial 4, and a deck or decks 5 for playing one or more of compact discs, digitally recorded tapes or cassettes. The outputs from the tuner 2 and deck or decks 5 are fed to a pre-amplifier 6 fitted with conventional control arrangements 7 for signal source selection and for output adjustment, such as volume and bass and treble controls, or graphic equalization, and switching instruments to be described. These I.C.E. components will typically provide signals on a plurality N of output channels and balance and fader controls will then be provided. The pre-amplifier outputs are supplied by way of a mixer 9, preferably a balanced mixer, to power amplifier means 10 which powers one or more loudspeakers 11 operative in the vehicle cabin.
For enhanced vehicle sound production, the system includes a prerecorded sound source 15 which can comprise a deck of one or other of the types of deck mentioned with reference to the deck 5, but which need not have the usual facility for selective replacement of the signal storage medium. Operation of the source 15 is dependent on a control signal related to vehicle operation, typically throttle movement or gear changes, derived from a transducer 16 and supplied to the source on line 17, so that the source delivers signals representing the sounds of acceleration of a high powered vehicle, or other such desirable sounds, during acceleration or other operation of the vehicle in which the system is installed.
Instead of or as well as the source 15, the system includes one or more microphones 20 providing outputs representing actual vehicle engine noise or the operating noise of some other vehicle component, which is fed to' the pre-amplifier 6, after treatment in a signal treatment unit 21. The signal treatment unit can comprise a relatively simple shaping circuit 21 where this can provide a satisfactory output to the pre-amplifier 6. Instead of or as well as the microphone or microphones 20, the system includes one or more transducers 22, for example vibration sensors, responsive to engine operation to provide signals to the preamplifier 6 after treatment in the signal treatment unit.
Instead of the shaping circuit 21 , as shown in Figure 2, the signal treatment unit can be constituted as a synthesizer 24 controlled by a micro-processor 25. The input from the or each microphone 20 or transducer 22 is then used to trigger the generation of a desired output from the synthesizer. Enhanced engine or vehicle interior noise is again provided, again preferably at times dependent on vehicle operation, as by control from the transducer 16.
The outputs of the source 15 and the signal treatment unit are supplied to the pre-amplifier 6 on line 19 for sound production in the vehicle cabin by way of the amplifier means 10 and the loudspeakers 11. In addition or instead the pre-amplifier output derived from the source 15 or the signal treatment unit can be used to drive one or more loudspeakers 26 located externally of the vehicle cabin, for example, in or near the engine co partment of the vehicle so as to enhance the sound actually produced by the vehicle engine, and/or a vibration actuator 27 operatively related to a vehicle panel 28. The loudspeaker 26 and/or actuator 27 is powered by way of one or more power amplifiers 29. For noise reduction, the system includes an adaptive noise cancellation controller 30 which may advantageously be of the kind described in WO 88/02912, the contents of which are incorporated herein by reference. The controller 30 provides, on L channels, output signals derived from a reference signal by adaptive filtering carried out by a programmed microprocessor and memory unit in dependence on error signals from one or more microphones 31. The microphones 31 may be inconspicuously located in the cabin and the reference signal may be derived directly from the vehicle engine, as described in WO 88/02912.
The output of the one or more microphones 31 , or of one or more similarly located microphones if no noise reduction facilities are provided, can be fed back to the signal treatment unit 21 or to the microprocessor 25, on line 32, so as to provide adaptive control of the unit, as towards a predetermined enhanced noise signal defined in a memory in the unit or in the microprocessor. The outputs from the pre-amplifier 6 and the controller 30 are fed to the balanced mixer 9 operative to provide outputs for the power amplifier means 10 combining a desired audio signal from one or other of the sources 2 and 5 together with a noise cancelling signals from the controller 30, on which the amplifier control arrangements 7 have no effect. •
The system is provided with an on/off switch controlling the power amplifiers 10 and 19 and the mixer 9, and selector switches for selecting any one or more of the enhanced noise facility, the entertainment facility, and the noise reduction facility.
The loudspeakers 11 will conveniently match in number the number of the output channels of the pre¬ amplifier 6, but there may be M channels between the balanced mixer 12 and the amplifiers 15, where M is equal to or greater than the larger of the N entertainment channels or the L noise reduction channels.
One or more of the sources 5 and 15 and the unit 21 may incorporate a pre-amplif ier and the output or outputs can then be supplied to the mixer 9 directly as indicated in the figure by broken lines.
It will be evident that the invention can be embodied in a variety of ways other than as herein described.

Claims

1. A sound enhancement system for use in a vehicle, the system comprising a source (15,20,22) of signals representing desired sound related to vehicle operation, and means (6,16) selectively operable and/or responsive to vehicle operation and/or experience to employ the signals to provide outputs to transducer means (11,17) so as to create for an occupant of the vehicle a desired sound experience.
2. A system as claimed in claim 1 wherein the source of signals representing the desired sound comprises at least one of a prerecorded sound source (15), at least one microphone (20) responsive to vehicle or engine noise, and a vibration sensor (22) responsive to vehicle or engine-generated vibrations.
3. A system as claimed in claim 2 wherein the source of signals representing the desired sound comprises one or both of the microphone (20) and the sensor (22), and wherein a signal treatment unit 21 is arranged to shape the signals therefrom to provide the outputs.
4. A system as claimed in claim 2 wherein the source of the signals representing the desired sound comprises one or both of the microphone (20) and the sensor (22) and wherein a signal treatment unit receiving the signals comprises a synthesizer (24) arranged to provide the outputs.
5. A system as claimed in claim 4 wherein a microprocessor (25) controlling the synthesizer (24) includes a store in which are stored signals representing a desired sound, and the synthesizer is arranged to adapt the signals from the source to the stored signals.
6. A system as claimed in claim 3, 4 or 5 in association with a noise cancellation system (25) including an error sensing microphone (31 ), the microphone output being supplied to the signal treatment unit (21;24,25) for adaptive control thereof.
7. A system as claimed in any preceding claim wherein the signals are employed to provide the outputs in response to signals from a transducer (16) responsive to vehicle operation.
8. A system as claimed in any preceding claim wherein the transducer means comprises one or more loudspeakers (27) located in the region of the vehicle engine.
9. A system as claimed in any preceding claim wherein the transducer means comprises one or more loudspeakers (11) located in the vehicle cabin.
10. A system as claimed in claim 8 wherein the loudspeakers (11) form part of at least one of an in¬ car entertainment system and a noise cancellation system.
11. A system as claimed in any preceding claim wherein the transducer means comprises at least one actuator for causing vibration of a vehicle panel.
PCT/GB1990/000597 1989-04-20 1990-04-19 Sound synthesizer in a vehicle WO1990013109A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69023133T DE69023133T3 (en) 1989-04-20 1990-04-19 NOISE SYNTHETIZER IN A VEHICLE.
EP90906299A EP0469023B2 (en) 1989-04-20 1990-04-19 Sound synthesizer in a vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8908980.9 1989-04-20
GB898908980A GB8908980D0 (en) 1989-04-20 1989-04-20 Treatment of noise in vehicles

Publications (1)

Publication Number Publication Date
WO1990013109A1 true WO1990013109A1 (en) 1990-11-01

Family

ID=10655385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1990/000597 WO1990013109A1 (en) 1989-04-20 1990-04-19 Sound synthesizer in a vehicle

Country Status (7)

Country Link
EP (1) EP0469023B2 (en)
JP (1) JP3261128B2 (en)
AT (1) ATE129352T1 (en)
DE (1) DE69023133T3 (en)
ES (1) ES2078341T5 (en)
GB (1) GB8908980D0 (en)
WO (1) WO1990013109A1 (en)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018385A1 (en) * 1990-05-16 1991-11-28 Wilhelm Hennl Sound generating device
WO1992008225A1 (en) * 1990-10-24 1992-05-14 Lotus Cars Limited Treatment of acoustic noise generated by vehicles
EP0512445A2 (en) * 1991-05-08 1992-11-11 Adam Opel Aktiengesellschaft Active noise attenuation system using the radio signal for the calibration cycle
GB2261103A (en) * 1991-10-21 1993-05-05 El Khazen Fouad Victor Audio frequency signal generating apparatus
US5271062A (en) * 1991-03-27 1993-12-14 Tsudakoma Kogyo Kabushiki Kaisha Device for noise attenuation of weaving machine
WO1999013453A1 (en) * 1997-09-10 1999-03-18 Pro-Vision Audio Pty. Ltd. Signal generator
GB2338584A (en) * 1998-02-23 1999-12-22 Ricky Raymond Morris Device simulating the sound of a dump valve of a turbocharged engine
WO2000004532A1 (en) * 1998-07-14 2000-01-27 Tüv Automotive Gmbh Unternehmensgruppe Tüv Süddeutschland Method and device for producing sounds corresponding to the operation of an internal combustion engine in the inner space of a motor vehicle
FR2783562A1 (en) * 1998-09-23 2000-03-24 Ecia Equip Composants Ind Auto Automobile exhaust noise reduction system, generates an anti-noise signal via a loudspeaker
GB2351634A (en) * 1999-06-26 2001-01-03 Thomas Brendan Francis Clarke Audio processing system
GB2354872A (en) * 1999-07-30 2001-04-04 Video Tech Designs Plc Noise simulator
EP0916817A3 (en) * 1997-11-18 2002-10-30 Faurecia Abgastechnik GmbH Active silencer
DE19746523B4 (en) * 1996-11-02 2006-06-08 Volkswagen Ag Method for generating sound in motor vehicles and a circuit arrangement for carrying out the method
EP1698488A1 (en) * 2005-03-02 2006-09-06 Peugeot Citroen Automobiles Vibrating device and method for its control
WO2006097188A1 (en) * 2005-03-18 2006-09-21 Audi Ag Method for complementing engine noise of a motor vehicle
WO2008010834A2 (en) * 2005-12-27 2008-01-24 Caterpillar Inc. Audible feedback of machine load
EP1923865A1 (en) * 2006-11-14 2008-05-21 E.M.J. Van Zomeren Electronic conversion/enrichment of engine sound
WO2010050264A1 (en) 2008-10-28 2010-05-06 本田技研工業株式会社 Active type acoustic control system
US7876913B2 (en) 2005-03-22 2011-01-25 Honda Motor Co., Ltd. Apparatus for producing sound effect for mobile object
US7876910B2 (en) 2005-05-30 2011-01-25 Honda Motor Co., Ltd. Vehicular active noise/vibration/sound control system, and vehicle incorporating such system
US8041053B2 (en) 2006-03-27 2011-10-18 Honda Motor Co., Ltd. Vehicular sound effect generating apparatus
US8130974B2 (en) 2006-03-23 2012-03-06 Honda Motor Co., Ltd. Vehicular active sound control system
CN102667917A (en) * 2009-11-25 2012-09-12 奥迪股份公司 Method for synthesizing an engine noise and device for carrying out the method
US8299904B2 (en) 2010-08-31 2012-10-30 Nissan North America, Inc. System and method for producing an audible alert for a vehicle
US8320581B2 (en) 2010-03-03 2012-11-27 Bose Corporation Vehicle engine sound enhancement
US8542846B2 (en) 2007-02-23 2013-09-24 John Lloyd Matejczyk Vehicle sound enhancing system and method of producing
US8730020B2 (en) 2010-08-31 2014-05-20 Nissan North America, Inc. System and method for producing an audible alert for a vehicle
CN104859533A (en) * 2014-02-25 2015-08-26 宝马股份公司 System for artificial change of perceived engine noise of motor vehicle
US9299337B2 (en) 2011-01-11 2016-03-29 Bose Corporation Vehicle engine sound enhancement
US20160205472A1 (en) * 2015-01-13 2016-07-14 Ask Industries Societa' Per Azioni Engine sound enhancement system of a vehicle
GB2538737A (en) * 2015-05-26 2016-11-30 Jaguar Land Rover Ltd Active vibration control apparatus and method
WO2017089041A1 (en) 2015-11-27 2017-06-01 Robert Bosch Gmbh Motor vehicle and method for operating a motor vehicle
DE102015223523A1 (en) 2015-11-27 2017-06-01 Robert Bosch Gmbh Motor vehicle and method for operating a motor vehicle
US10068620B1 (en) 2017-06-20 2018-09-04 Lp-Research Inc. Affective sound augmentation for automotive applications

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19810124B4 (en) * 1998-03-09 2007-09-13 Bayerische Motoren Werke Ag Active noise control system for sonicating the interior or driver's area of a motor vehicle
DE19945259C1 (en) 1999-09-21 2001-01-11 Bayerische Motoren Werke Ag Electroacoustic noise generation device e.g. for simulating automobile engine noise uses signal processing device with synthesizer for mixing signal from sound pressure sensor in air intake with synthetic tones
DE10016104C2 (en) * 2000-03-31 2002-03-21 Audi Ag Device for sound reinforcement in the passenger compartment of a motor vehicle
JP2007274138A (en) * 2006-03-30 2007-10-18 Honda Motor Co Ltd Active acoustic control/in-vehicle amusement integration system
DE102007021880A1 (en) * 2007-05-10 2008-11-13 Ford Global Technologies, LLC, Dearborn Noise sensation optimizing method for passenger compartment of motor vehicle, involves fading noise based on operation of hybrid-drive when hybrid-drive is detected for from noisy operational mode to muted operational mode
DE102007055477B4 (en) 2007-11-21 2017-06-22 Audi Ag Process for the synthetic production of engine noise, in particular an internal combustion engine
DE102009007333A1 (en) * 2009-02-04 2010-10-14 Karl-Heinz Probst Device for imitative generation of engine- and driving noises in vehicles, particularly in motor driven motor vehicles, has measuring device, which is activated by vehicle speed
DE102009040898A1 (en) * 2009-09-11 2011-03-17 Volkswagen Ag Vehicle, particularly electric vehicle or hybrid vehicle, comprises audio system for production of engine noise, where audio system comprises engine noise production unit
FR2968053B1 (en) 2010-11-26 2013-08-23 Hutchinson ACTIVE VIBRATION CONTROL DEVICE, VEHICLE COMPRISING SUCH A DEVICE AND ACTIVATED CAP FOR SUCH A DEVICE.
DE102011102709B4 (en) 2011-05-20 2020-08-06 RocketAudio Traffic GmbH Device for simulating the generation of operating noises of a vehicle, in particular a motor vehicle
DE102012024615A1 (en) 2012-12-17 2014-06-18 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Device for influencing the cabin noise
DE102013202890B4 (en) 2013-02-22 2018-12-06 Schaeffler Technologies AG & Co. KG A method for generating an audio signal for a synthetic noise of a motor vehicle
FR3039694B1 (en) 2015-07-27 2018-06-15 Hutchinson ACTIVE VIBRATION CONTROL DEVICE
DE102016201984A1 (en) * 2016-02-10 2017-08-10 Bayerische Motoren Werke Aktiengesellschaft Reproduction device for a motor vehicle and method for operating such a display device
GB202206523D0 (en) * 2022-05-04 2022-06-15 Mclaren Automotive Ltd Automotive sound amplification

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734948A1 (en) * 1977-08-03 1979-02-15 Industrieanlagen Betriebsges Real time noise signal synthesiser - has spectral details held in data store and summed by amplifying stage
GB2018144A (en) * 1978-03-15 1979-10-17 Mabuchi Motor Co Mobile model toy
US4219962A (en) * 1978-08-28 1980-09-02 Scienco, Inc. Toy vehicle
US4274225A (en) * 1978-09-11 1981-06-23 Revell, Incorporated Model with two-pole motor actuated siren and flashing lights
US4289307A (en) * 1979-02-09 1981-09-15 Cbs Inc. Riding toy with sound effects
DE3420463A1 (en) * 1984-06-01 1985-12-05 Uwe 6500 Mainz Brückner Device for acoustic irradiation
WO1988002912A1 (en) * 1986-10-07 1988-04-21 Adaptive Control Limited Active vibration control

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734948A1 (en) * 1977-08-03 1979-02-15 Industrieanlagen Betriebsges Real time noise signal synthesiser - has spectral details held in data store and summed by amplifying stage
GB2018144A (en) * 1978-03-15 1979-10-17 Mabuchi Motor Co Mobile model toy
US4219962A (en) * 1978-08-28 1980-09-02 Scienco, Inc. Toy vehicle
US4274225A (en) * 1978-09-11 1981-06-23 Revell, Incorporated Model with two-pole motor actuated siren and flashing lights
US4289307A (en) * 1979-02-09 1981-09-15 Cbs Inc. Riding toy with sound effects
DE3420463A1 (en) * 1984-06-01 1985-12-05 Uwe 6500 Mainz Brückner Device for acoustic irradiation
WO1988002912A1 (en) * 1986-10-07 1988-04-21 Adaptive Control Limited Active vibration control

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018385A1 (en) * 1990-05-16 1991-11-28 Wilhelm Hennl Sound generating device
WO1992008225A1 (en) * 1990-10-24 1992-05-14 Lotus Cars Limited Treatment of acoustic noise generated by vehicles
GB2252657A (en) * 1990-10-24 1992-08-12 Lotus Car Vibration and sound generation in vehicles
US5271062A (en) * 1991-03-27 1993-12-14 Tsudakoma Kogyo Kabushiki Kaisha Device for noise attenuation of weaving machine
EP0512445A2 (en) * 1991-05-08 1992-11-11 Adam Opel Aktiengesellschaft Active noise attenuation system using the radio signal for the calibration cycle
EP0512445A3 (en) * 1991-05-08 1993-09-01 Adam Opel Aktiengesellschaft Active noise attenuation system using the radio signal for the calibration cycle
GB2261103A (en) * 1991-10-21 1993-05-05 El Khazen Fouad Victor Audio frequency signal generating apparatus
GB2261103B (en) * 1991-10-21 1995-09-27 El Khazen Fouad Victor In-car entertainment
DE19746523B4 (en) * 1996-11-02 2006-06-08 Volkswagen Ag Method for generating sound in motor vehicles and a circuit arrangement for carrying out the method
WO1999013453A1 (en) * 1997-09-10 1999-03-18 Pro-Vision Audio Pty. Ltd. Signal generator
EP0916817A3 (en) * 1997-11-18 2002-10-30 Faurecia Abgastechnik GmbH Active silencer
GB2338584B (en) * 1998-02-23 2000-05-24 Ricky Raymond Morris Electronic dummy dump valve
GB2338584A (en) * 1998-02-23 1999-12-22 Ricky Raymond Morris Device simulating the sound of a dump valve of a turbocharged engine
WO2000004532A1 (en) * 1998-07-14 2000-01-27 Tüv Automotive Gmbh Unternehmensgruppe Tüv Süddeutschland Method and device for producing sounds corresponding to the operation of an internal combustion engine in the inner space of a motor vehicle
US7088829B1 (en) 1998-07-14 2006-08-08 Tuv Automotive Gmbh Method and apparatus for producing sounds that depend on the operation of an internal combustion engine in the interior space of a motor vehicle
FR2783562A1 (en) * 1998-09-23 2000-03-24 Ecia Equip Composants Ind Auto Automobile exhaust noise reduction system, generates an anti-noise signal via a loudspeaker
GB2351634A (en) * 1999-06-26 2001-01-03 Thomas Brendan Francis Clarke Audio processing system
GB2354872A (en) * 1999-07-30 2001-04-04 Video Tech Designs Plc Noise simulator
EP1698488A1 (en) * 2005-03-02 2006-09-06 Peugeot Citroen Automobiles Vibrating device and method for its control
FR2882666A1 (en) * 2005-03-02 2006-09-08 Peugeot Citroen Automobiles Sa VIBRATION DEVICE AND METHOD FOR CONTROLLING A VIBRATION ELEMENT
WO2006097188A1 (en) * 2005-03-18 2006-09-21 Audi Ag Method for complementing engine noise of a motor vehicle
US7876913B2 (en) 2005-03-22 2011-01-25 Honda Motor Co., Ltd. Apparatus for producing sound effect for mobile object
US7876910B2 (en) 2005-05-30 2011-01-25 Honda Motor Co., Ltd. Vehicular active noise/vibration/sound control system, and vehicle incorporating such system
WO2008010834A2 (en) * 2005-12-27 2008-01-24 Caterpillar Inc. Audible feedback of machine load
WO2008010834A3 (en) * 2005-12-27 2008-07-31 Caterpillar Inc Audible feedback of machine load
US8300844B2 (en) 2005-12-27 2012-10-30 Caterpillar Inc. Audible feedback of machine load
US8130974B2 (en) 2006-03-23 2012-03-06 Honda Motor Co., Ltd. Vehicular active sound control system
US8041053B2 (en) 2006-03-27 2011-10-18 Honda Motor Co., Ltd. Vehicular sound effect generating apparatus
EP1923865A1 (en) * 2006-11-14 2008-05-21 E.M.J. Van Zomeren Electronic conversion/enrichment of engine sound
US8542846B2 (en) 2007-02-23 2013-09-24 John Lloyd Matejczyk Vehicle sound enhancing system and method of producing
WO2010050264A1 (en) 2008-10-28 2010-05-06 本田技研工業株式会社 Active type acoustic control system
US8634571B2 (en) 2008-10-28 2014-01-21 Honda Motor Co., Ltd. Active type acoustic control system
CN102667917A (en) * 2009-11-25 2012-09-12 奥迪股份公司 Method for synthesizing an engine noise and device for carrying out the method
US8320581B2 (en) 2010-03-03 2012-11-27 Bose Corporation Vehicle engine sound enhancement
US8299904B2 (en) 2010-08-31 2012-10-30 Nissan North America, Inc. System and method for producing an audible alert for a vehicle
US8730020B2 (en) 2010-08-31 2014-05-20 Nissan North America, Inc. System and method for producing an audible alert for a vehicle
US9299337B2 (en) 2011-01-11 2016-03-29 Bose Corporation Vehicle engine sound enhancement
CN104859533A (en) * 2014-02-25 2015-08-26 宝马股份公司 System for artificial change of perceived engine noise of motor vehicle
GB2536108A (en) * 2015-01-13 2016-09-07 Ask Ind Societa'per Azioni Engine sound enhancement system of a vehicle
US20160205472A1 (en) * 2015-01-13 2016-07-14 Ask Industries Societa' Per Azioni Engine sound enhancement system of a vehicle
US9686611B2 (en) * 2015-01-13 2017-06-20 Ask Industries Societa' Per Azioni Engine sound enhancement system of a vehicle
GB2536108B (en) * 2015-01-13 2020-07-08 Ask Industries Soc Azioni Engine sound enhancement system of a vehicle
GB2538737A (en) * 2015-05-26 2016-11-30 Jaguar Land Rover Ltd Active vibration control apparatus and method
GB2538737B (en) * 2015-05-26 2019-03-13 Jaguar Land Rover Ltd Active vibration control apparatus and method
WO2017089041A1 (en) 2015-11-27 2017-06-01 Robert Bosch Gmbh Motor vehicle and method for operating a motor vehicle
DE102015223517A1 (en) 2015-11-27 2017-06-01 Robert Bosch Gmbh Motor vehicle and method for operating a motor vehicle
DE102015223523A1 (en) 2015-11-27 2017-06-01 Robert Bosch Gmbh Motor vehicle and method for operating a motor vehicle
US10068620B1 (en) 2017-06-20 2018-09-04 Lp-Research Inc. Affective sound augmentation for automotive applications

Also Published As

Publication number Publication date
ATE129352T1 (en) 1995-11-15
EP0469023A1 (en) 1992-02-05
ES2078341T3 (en) 1995-12-16
ES2078341T5 (en) 2000-02-16
EP0469023B1 (en) 1995-10-18
DE69023133T3 (en) 2000-06-29
JP3261128B2 (en) 2002-02-25
JPH04504916A (en) 1992-08-27
DE69023133T2 (en) 1996-03-21
DE69023133D1 (en) 1995-11-23
GB8908980D0 (en) 1989-06-07
EP0469023B2 (en) 1999-12-01

Similar Documents

Publication Publication Date Title
US5371802A (en) Sound synthesizer in a vehicle
EP0469023B2 (en) Sound synthesizer in a vehicle
GB2252657A (en) Vibration and sound generation in vehicles
US5635903A (en) Simulated sound generator for electric vehicles
JP4140607B2 (en) Engine sound processing device
EP0631383B1 (en) Acoustic reproduction systems
EP2180464A3 (en) Active vibratory noise control apparatus for cancelling noise inside a vehicle
JP3719690B2 (en) In-vehicle audio equipment
WO1990009655A1 (en) Noise suppression in vehicles
US6891954B2 (en) Vehicle-mounted noise control apparatus
JPH05208636A (en) Warning sound generating device
CN111613201A (en) In-vehicle sound management device and method
EP0856238B1 (en) Sound reproduction system for vehicles
JPH06161466A (en) Sound eliminating device
WO2001005188A1 (en) Sound reproducing unit
JP4126990B2 (en) Vehicle interior sound control device
US6150733A (en) Method and device for influencing an impression which is subjectively perceived by an occupant of a vehicle, in particular of a passenger car, when the vehicle is being operated
JP4600948B2 (en) In-vehicle sound reproduction device
JPH11321459A (en) Alarm sound device for vehicle
JP2555788Y2 (en) Noise reduction device
JP2768603B2 (en) Automotive sound reproduction system
JP3144569B2 (en) Vehicle noise control device
JP3278173B2 (en) Vehicle noise control device
JP3275662B2 (en) In-car audio equipment
JP2023092265A (en) sound output device

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB IT LU NL SE

WR Later publication of a revised version of an international search report
WWE Wipo information: entry into national phase

Ref document number: 1990906299

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1990906299

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1990906299

Country of ref document: EP