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9042569 Active noise control device  
An active noise control device detects composite vibration of a vibration transmitting route to which both vibration of a rotating body caused by generation or transmission of drive force of a...
9042570 Active vibration noise control apparatus  
An ANC apparatus using so-called adaptive control is provided with a cancellation sound output means which outputs front wheel cancellation sound that cancels front wheel vibration noise due to...
9025786 Active noise control system for exhaust systems and method for controlling the same  
An active noise control system for exhaust systems of a combustion engine operated vehicle comprises an anti-sound control connectable to an engine control of the vehicle and a loudspeaker...
9020159 Noise reduction device  
A noise control device includes the following structural elements. A signal memory records both of a noise signal supplied from a noise microphone and an error signal supplied from an error...
9008329 Noise reduction using multi-feature cluster tracker  
Provided are methods and systems for noise suppression within multiple time-frequency points of spectral representations. A multi-feature cluster tracker is used to track signal and noise sources...
8985287 Device for actively influencing vibrations in a component  
A device for actively influencing vibrations in a component, in particular vibrations in a component of a motor vehicle such as engine vibrations, for example. The device includes a sensor for...
8983677 Acoustic fingerprinting of mechanical devices  
A method and device are presented for identifying machines, such as vehicles, based on acoustic machine signatures. An acoustic sensor generates machine-acoustic data about the machine. A...
8958571 MIC covering detection in personal audio devices  
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise...
8948408 Active noise control apparatus for intake system of vehicle  
An active noise control apparatus for an intake system of a vehicle may include a filter mounted on a portion of the intake system for blocking foreign materials; and a speaker assembly detachably...
8897463 Dual high frequency driver canalphone system  
A canalphone system may include a canalphone housing, and a first high frequency driver carried within the canalphone housing. The system may also include a second high frequency driver carried...
8891781 Active vibration noise control device  
An active vibration noise control device having a pair of speakers, including: a basic signal generating unit generating a basic signal based on a vibration noise frequency; an adaptive notch...
8885843 Sound generator  
A sound generator is provided capable of generating vehicle sound that will be produced when a specific sound element is changed out of a plurality of sound elements arising from the operation of...
8855329 Quiet fan incorporating active noise control (ANC)  
An active noise control (ANC) system may be implemented to both sides of a fan, such that both directions of the noise emitting are treated to reduce the overall noise. The impact on airflow is...
8848938 Electrostatic planar loudspeaker arrangement in a motor vehicle  
A loudspeaker arrangement in a motor vehicle includes at least one loudspeaker, which is able to be driven by an audio processor, the loudspeaker being arranged as at least one electrostatic...
8798282 Active noise reduction adaptive filter leakage adjusting  
An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors. The frequency of a noise reduction...
8718292 Noise reduction device and noise reduction system  
It includes a microphone for detecting noise emitted from a noise source, a noise controller for generating control sound signal to reduce noise detected by the microphone based on information...
8712070 Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities  
A method and apparatus for providing simultaneous enhancement of transmission loss and absorption coefficient using activated cavities is presented. A layer of material is provided, and a backing...
8705761 Entertainment system and earphone  
There is provided an entertainment system comprising at least one seat, an electronic unit (100) for active noise reduction in the seat and at least one headphone (300). The headphone has an...
8705753 System for processing sound signals in a vehicle multimedia system  
The present invention relates to a method for processing sound signals in a vehicle multimedia system. A sound signal is recorded by a microphone. A voice signal component resulting from...
8682000 Method and device for narrow-band noise suppression in a vehicle passenger compartment  
A method and a device for suppressing noise in the passenger compartment of a vehicle, which include at least one transducer, a programmable computer, at least one acoustic sensor, the computer...
8666088 Tunable, sound enhancing air induction system for internal combustion engine  
A tunable, sound enhancing air induction system for an internal combustion engine includes an air supply duct extending between an air cleaner and a throttle body, and an acoustic amplifier...
8634571 Active type acoustic control system  
In an acoustic control system an operation range of an active type noise control device (an ANC device) and an operation range of an active type effect sound control device (an ASC device) are...
8625812 Acoustic dampening compensation system  
An acoustic management system configured to compensate for acoustical dampening is provided. The system includes a microphone configured to detect a first acoustic signal from an acoustic...
8625775 Method and system for reducing echo and noise in a vehicle passenger compartment environment  
An echo cancelling algorithm in a communication device initializes a step size value used in an adaptive echo filter based on a background noise signal power level relative to a power level of a...
8625815 Vehicular rearview mirror system  
A rearview mirror system for a vehicle includes an interior rearview mirror assembly including a control. The interior rearview mirror assembly may include a video display device operable to...
8607057 Secure outsourced aggregation with one-way chains  
Secure outsourced aggregation of data using one-way chains is discussed in this application. Each input data source such as a sensor generates a Verifiable Synopsis (“VS”) which includes sensor...
8588429 Sound device and sound control device  
The sound device includes an audio-information output unit, an analysis unit, an audio-division-spectrum output unit, a noise-division-spectrum output unit and a correction unit. The analysis unit...
8577045 Apparatus and method for encoding a multi-channel audio signal  
An encoding apparatus comprises a frame processor (105) which receives a multi channel audio signal comprising at least a first audio signal from a first microphone (101) and a second audio signal...
8565442 Noise reduction device  
A noise reduction device including a noise detection microphone including a high-frequency noise detection microphone and a low-frequency noise detection microphone for respectively detecting a...
8559648 Active noise control using bass management  
An active noise cancellation system reduces, at a listening position, the power of a noise signal being radiated from a noise source to the listening position. The system includes an adaptive...
8542846 Vehicle sound enhancing system and method of producing  
Methods, systems and storage media are disclosed for enhancing the sounds of any vehicle, motorized conveyance, vehicle simulator, video game or vehicle like device by feeding the output of a...
8542844 Sound modification system and method  
A sound modification system and a method of managing sound in a vehicle. The system includes an active noise reduction (ANR) controller, an engine sound enhancement (ESE) controller and a sound...
8532828 Gearbox noise reduction by electrical drive control  
A system for damping audible noise from a drive train. One embodiment is a system with an audible noise signal from a drive train wherein a damping circuit produces a damping torque that is a...
8526627 Noise reduction device  
A noise reduction device of the present invention comprises a control filter unit for generating a control sound signal to cancel out a noise, a control speaker for outputting a control sound...
8509452 Noise reduction apparatus and audio reproduction apparatus  
A noise reduction apparatus includes: a speaker with a speaker unit held by holding means to make it possible to mix sounds emitted from front and rear of a vibration plate of the speaker; a...
8494175 Noise reduction device and noise reduction system  
A noise reduction device is disclosed, in which noise reduction device, a controlling sound generator outputs a white noise generated by a white-noise generator, and this white noise is sensed by...
8472635 System and method for countering noise when operating an address system in a passenger transport  
A system for countering ambient noise when operating an address system in at least one compartment of a passenger transport unit includes: (a) a noise control unit; and (b) at least one memory...
8462193 Method and system for processing audio signals  
A multimedia conferencing system includes a loud speaker system, one or more microphones for receiving a local audio signal and a remote audio signal, a state machine and an echo canceller that...
8451143 Vehicle presence notification apparatus  
A vehicle presence notification apparatus notifies a presence of a vehicle by providing easily-perceivable and less uncomfortable notification sound outside of the vehicle. The vehicle presence...
8421641 Object detection system and method using sub-sampling  
An object detection system, controller, and method using sub-sampling for detecting a presence of an object at the location. An electrode arranged near the location radiates an electric field that...
8416963 System for providing a personalized driving sound  
The present invention relates to a system for providing a personalized driving sound by using an active sound design. The system includes a sound design tool, a memory card, and an audio system....
8401204 Method for the active reduction of sound disturbance  
A method and a system for the active reduction, at a predetermined area, of the energy of a sound signal (dk(n)), also called a diffused noise signal, generated at the area by a primary signal...
8384528 Method and apparatus for selectively varying motor vehicle sounds  
An apparatus and method for customizing the sound emitted from an automotive vehicle during operation. Specifically, the vehicle operator uses a controller to vary the sound emitted from the...
8379879 Active noise reduction system  
An active noise reduction system is provided for receiving an audio input signal and a noise interference signal and calculating an audio broadcasting signal according to a Feedback Filtered-X...
8378804 Active acoustic control apparatus  
An active acoustic control apparatus includes an alert sound signal generator configured to generate an alert sound signal. An alert sound output device is configured to output an alert sound to...
8374356 Noise canceling apparatus and noise canceling method  
Disclosed herein is a noise canceling apparatus including: a microphone configured to pick up ambient sound as noise; a first signal generator configured to receive a signal from the microphone to...
8340963 Echo suppressing system, echo suppressing method, recording medium, echo suppressor, sound output device, audio system, navigation system and mobile object  
An echo suppressing system includes: a sound output device for outputting sound based on a sound signal, including a passing section for allowing passage of a component of a different frequency...
8335318 Active noise reduction adaptive filtering  
An active noise reduction system that reduces the incidence of divergence in the presence of high amplitude interfering noise. A limited frequency range threshold is established.
8325938 Handsfree call apparatus, acoustic reproducing apparatus with handsfree call function, and handsfree call method  
A handsfree call apparatus includes: a speaker held in the vicinity of a user's ear by a holding unit with a speaker unit thereof not being attached to a baffle board so as to mix sounds emitted...
8315385 Digital entroping for digital audio reproductions  
The present invention provides a system and method for introducing white noises into a digital audio signal so that there is progressive and cumulative degradation in audio quality after each...
Matches 1 - 50 out of 224 1 2 3 4 5 >