[특허]Vehicle engine sound enhancement

[미국특허] Vehicle engine sound enhancement 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-001/00
출원번호	US-0716887 (2010-03-03)
등록번호	US-8320581 (2012-11-27)
발명자 / 주소	Hera, Cristian M. Pan, Davis Y.
출원인 / 주소	Bose Corporation
대리인 / 주소	Bose Corporation
인용정보	피인용 횟수 : 27 인용 특허 : 21

초록 ▼

A vehicle engine harmonic enhancement system. A method for operating the system includes providing a first engine harmonic enhancement audio signal and equalizing the first engine harmonic enhancement audio signal separately for each of the plurality of loudspeakers to provide individually equalized loudspeaker engine harmonic enhancement audio signals. A vehicle audio system includes a plurality of loudspeakers, an entertainment audio system, and an engine harmonic enhancement system. A method includes equalizing an entertainment audio signal to provide an equalized entertainment audio signal; providing an engine harmonic enhancement audio signal; equalizing the engine harmonic enhancement audio signal separately from the entertainment audio signal to provide an equalized engine harmonic enhancement audio signal; and combining the equalized entertainment audio signal with the equalized engine harmonic enhancement audio signal.

대표청구항 ▼

1. A method comprising: in a vehicle engine harmonic enhancement system, providing a first engine harmonic signal, comprisingproviding harmonics of a fundamental harmonic frequency;providing a first set of harmonics of the fundamental harmonic frequency;separately equalizing each of the first set of harmonics of the fundamental harmonic frequency to provide equalized harmonics so that at least one of the equalized harmonics has a different equalization that at least one of the other equalized harmonics;providing a second set of harmonics of the fundamental harmonic frequency; andseparately equalizing each of the second set of harmonics of the fundamental harmonic frequency,wherein the equalizing the first engine harmonic enhancement audio signal comprisesequalizing the first engine harmonic enhancement audio signal to provide a first equalized engine harmonic enhancement signal andtransducing the first engine harmonic enhancement audio signal so that the apparent source of the transduced first sound enhancement audio signal is a first vehicle location; andwherein the equalizing the second engine harmonic enhancement audio signal comprises equalizing the second engine harmonic enhancement audio signal to provide a second equalized engine harmonic enhancement signal so that the second equalized engine harmonic enhancement signal has a different equalization than the first equalized engine harmonic signal; andtransducing the second engine harmonic enhancement audio signal so that the second apparent source of the transduced second sound enhancement audio signal is a second vehicle location. 2. A method comprising: in a vehicle engine harmonic enhancement system, providing a first engine harmonic signal, comprisingproviding harmonics of a fundamental harmonic frequency;providing a first set of harmonics of the fundamental harmonic frequency;separately equalizing each of the first set of harmonics of the fundamental harmonic frequency to provide equalized harmonics so that at least one of the equalized harmonics has a different equalization that at least one of the other equalized harmonics, wherein the providing the first engine harmonic enhancement audio signal comprisesproviding a stream of engine harmonic enhancement gains;smoothing the stream of engine harmonic enhancement gains to provide a stream of smoothed engine harmonic enhancement gains; andapplying the stream of smoothing engine harmonic gains to the first engine harmonic enhancement audio signal. 3. A method according to claim 2, further comprising: determining if the engine load is increasing or decreasing; andif the engine load is decreasing, changing a smoothing parameter. 4. A method according to claim 2, wherein the smoothing comprises low pass filtering. 5. In an vehicle audio system comprising a plurality of loudspeakers, an entertainment audio system, and an engine harmonic enhancement system, a method comprising: in the vehicle audio system, equalizing an entertainment audio signal to provide an equalized entertainment audio signal;providing an engine harmonic enhancement audio signal;equalizing the engine harmonic enhancement audio signal separately from the entertainment audio signal to provide an equalized engine harmonic enhancement audio signal so that the equalized harmonic enhancement signal has a different equalization than the equalized entertainment signal; andcombining the equalized entertainment audio signal with the equalized engine harmonic enhancement audio signal. 6. A method according to claim 5, wherein the providing the engine harmonic enhancement audio signal comprises determining a fundamental harmonic frequency;providing harmonics of the fundamental harmonic frequency;separately equalizing each of the harmonics of the fundamental harmonic frequency. 7. A method according to claim 5, wherein the equalizing the engine harmonic enhancement audio signal comprises processing the engine enhancement audio signal to provide a plurality of engine enhancement audio signal each corresponding to one of the plurality of loudspeakers; andseparately equalizing each of the plurality of engine enhancement audio signals.

이 특허에 인용된 특허 (21) 인용/피인용 타임라인 분석

Eatwell Graham P. (Cambridge GBX), Active control system for noise shaping.
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Daly,Paul D., Active noise cancellation for a vehicle induction system having selectable engine noise profile.
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Daly, Paul D., Active noise cancellation system with integrated horn function.
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Kobayashi, Yasunori; Inoue, Toshio; Takahashi, Akira; Sakamoto, Kosuke, Active sound effect generating apparatus.
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Stothers Ian MacGregor (Norfolk GBX), Adaptive control system.
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Stothers Ian MacGregor (Nr. Thethford GBX), Adaptive control system.
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Fischer Matthias,DEX ; Feldhaus Reinhard,DEX ; Orlamunder Andreas,DEX, Apparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and met.
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Kobayashi, Yasunori; Inoue, Toshio; Takahashi, Akira; Sakamoto, Kosuke, Apparatus for producing sound effect for mobile object.
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Blind Henry F. (Grosse Pointe Woods MI) Campagne Anthony J. (Brighton MI) Czekaj James L. (Madison MI) Difiore Nicholas L. (Farmington Hills MI) Geddes Earl R. (Livonia MI) Krochmal Andrew C. (Canton, Arbitration adjustment for acoustic reproduction systems.
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Christoph,Markus, Audio enhancement system.
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Jay Sterling Plugge ; Jason Carl Plugge, Classic automobile sound processor.
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Costello, Sean M.; Stilson, Timothy S., Crossfade sample playback engine with digital signal processing for vehicle engine sound simulator.
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Freymann,Raymond; Spannheimer,Helmut, Device for electroacoustic sound generation in a motor vehicle.
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Kunimoto Toshifumi,JPX, Engine exhaust sound synthesizer.
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Prus Robert S., Engine noise simulating novelty device.
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Schick,Bernhard; Dormeier,Herbert; Spannheimer,Helmut; Lischo,Bernd; Freymann,Raymond, Method and apparatus for producing sounds that depend on the operation of an internal combustion engine in the interior space of a motor vehicle.
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Koike Makoto (Wako JPX) Kitagawa Masashi (Wako JPX) Ishiguro Kazunari (Wako JPX), Simulated sound generator for electric vehicles.
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Miller Walter (6851 Roswell Rd. ; Apartment I-18 Atlanta GA 30328), Sound effects generating system for automobiles.
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McDonald Anthony M. (Norfolk GBX) Quinn David C. (Norfolk GBX) Perry David C. (Norfolk GBX), Sound synthesizer in a vehicle.
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Toba,Nobukazu; Sugii,Kiyohisa; Tada,Yukio; Miyabe,Motoaki; Maeda,Osamu; Yoshizawa,Akihiro, Vehicle capable of auditorily informing its state and method for auditorily informing state of vehicle.
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Sakamoto, Kosuke; Inoue, Toshio; Takahashi, Akira; Kobayashi, Yasunori, Vehicular active sound control system.
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이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Lin, Zhuohua; Petersen, Klaus; Schlüter, Tobias; Yap, Huei Ee, Affective sound augmentation for automotive applications.
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Hera, Cristian, Automobile communication system.
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Hera, Cristian, Automobile communication system.
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Misra, Saswat; Lang, Andrew K.; Charkow, Jason; Cohen, David, Cognitive radio system and cognitive radio carrier device.
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Misra, Saswat; Lang, Andrew K.; Charkow, Jason; Cohen, David, Cognitive radio system and cognitive radio carrier device.
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Tanaka, Junichi; Sugiyama, Masayuki, Device and method for pseudonoise generation.
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Misra, Saswat; Lang, Andrew K., Device-to-device based content delivery for time-constrained communications.
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Reilly, Scott M.; Valeri, Frank C.; Barlow, Jr., Roger C., Electric vehicle sound enhancement systems and methods.
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Pan, Davis Y., Engine harmonic cancellation system afterglow mitigation.
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Valeri, Frank C.; Reilly, Scott M.; Hartleip, Larry G.; Hull, William L.; Richter, Stephane; Yost, John Randall, Engine sound enhancement implementation through varying vehicle conditions.
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Hera, Cristian M.; Feng, Ben J., Engine sound management.
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Hera, Cristian Marius; Feng, Ben J., Engine sound management.
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Pan, Davis Y.; Ganeshkumar, Alaganandan, Motor vehicle active noise reduction.
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Weber, Martin Amandus, Motor vehicle noise management.
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Weber, Martin Amandus, Motor vehicle noise management.
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Misra, Saswat; Lang, Andrew K., Server function for device-to-device based content delivery.
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Christoph, Markus, Sound system including an engine sound synthesizer.
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Teknos, Athanasios; Vong, Chin Lim; Mongeau, Michael Peter, Systems and methods for electronic sound enhancement tuning.
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Teknos, Athanasios; Vong, Jr., Chin Lim; Mongeau, Michael Peter, Systems and methods for electronic sound enhancement tuning.
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Valeri, Frank C.; Reilly, Scott M.; Close, Richard A., Systems and methods for variable engine and electric motor sound control.
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Hera, Cristian M., Vehicle engine harmonic sound control.
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Hera, Cristian M., Vehicle engine sound enhancement.
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Hera, Cristian M.; Klug, Dennis D., Vehicle engine sound enhancement.
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Hera, Cristian Marius, Vehicle engine sound extraction.
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Hera, Cristian M., Vehicle engine sound extraction and reproduction.
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Hera, Cristian; Raymond, Peter; Rhee, Samuel, Vehicle engine sound management.
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Valeri, Frank C.; Reilly, Scott M.; Barlow, Jr., Roger C., Vehicle sound enhancement systems and methods for vehicle deceleration.
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[미국특허] Vehicle engine sound enhancement 원문보기