Abstract: Systems and method are provided for controlling a vehicle. A method of soundscape selection in a vehicle includes receiving a number of biometric parameters from sensors provided within an interior of the vehicle, and determining a state-of-mind of an occupant within the interior of the vehicle based on the biometric parameters. The method further includes selecting, with a soundscape determination module including a processor, a soundscape responsive to the state of mind of the occupant, and providing to the vehicle a set of vehicle parameters based on the selected soundscape.

Abstract: The present disclosure is directed to a system and a method for spectral shaping of vehicle noise cancellation. In an example implementation, the method includes determining a center frequency of an expected tonal peak within a selected noise band based upon vehicle data, generating a noise cancellation signal using a weighted shaping filter to shape the noise band, and outputting the noise cancellation signal to smooth the expected tonal peak.

Abstract: A system that determines a road surface profile based upon filter coefficient data from noise cancellation systems is disclosed. The system includes a filter coefficient monitoring module that is configured to receive a first set of filter coefficient data from an noise cancellation module. The system also includes a road surface profile module that is configured to receive an input representing a road surface type and generate a road surface profile based upon the road surface type and the first set of filter coefficient data and to store the road surface profile including a correspondence between the road surface type and the first set of filter coefficient data.

Abstract: An audio system of a vehicle includes a selection module configured to, based on whether a gear shift of a transmission of the vehicle is occurring, set a selected torque to one of: a torque output of an engine of the vehicle; and a predicted torque output of the engine. A sound control module is configured to: determine frequencies for outputting a predetermined engine sound; and based on the selected torque, determine magnitudes for outputting the predetermined engine sound at the frequencies, respectively. An audio driver module is configured to apply power to speakers to output sound within a passenger cabin of the vehicle at the magnitudes and frequencies, respectively.

Abstract: A noise cancellation system for a vehicle includes an excitation device mountable to a vehicle body component. The excitation device is operable to produce a low frequency response of the vehicle body component.

Abstract: A noise cancellation system for a vehicle includes an excitation device mountable to a vehicle body component. The excitation device is operable to produce a low frequency response of the vehicle body component.

Abstract: A system for cancelling objectionable wind noise in a vehicle cabin includes a wind noise identification module that is configured to receive data from a microphone indicating a noise measured in a cabin of a vehicle and determine whether the noise is objectionable wind noise based on (i) a position of a moveable panel configured to cover an opening in a body of the vehicle and (ii) at least one of an amplitude of the noise and a frequency of the noise. The system also includes a first noise cancellation module that is configured to generate a noise cancellation waveform to mitigate the noise based on at least one of the amplitude of the noise and the frequency of the noise when the noise is objectionable wind noise.

Abstract: A powertrain component for a vehicle including a housing, and a mechanical system arranged in the housing. The mechanical system provides motive power to the vehicle. A passive sound enhancement system includes a bracket mounted to the housing. The bracket is selectively tuned to respond to one or more selected frequencies of the powertrain component.

Abstract: The present disclosure is directed to a system and a method for spectral shaping of vehicle noise cancellation. In an example implementation, the method includes determining a center frequency of an expected tonal peak within a selected noise band based upon vehicle data, generating a noise cancellation signal using a weighted shaping filter to shape the noise band, and outputting the noise cancellation signal to smooth the expected tonal peak.

Abstract: A method and apparatus that cancel component noise are provided. The method includes: detecting a trigger to activate component noise cancellation, in response to detecting the trigger, receiving feedforward information from a component, generating noise cancellation information based on the feedforward information, and outputting a noise cancellation sound according to the noise cancellation information.

Abstract: A system for cancelling objectionable wind noise in a vehicle cabin includes a wind noise identification module that is configured to receive data from a microphone indicating a noise measured in a cabin of a vehicle and determine whether the noise is objectionable wind noise based on (i) a position of a moveable panel configured to cover an opening in a body of the vehicle and (ii) at least one of an amplitude of the noise and a frequency of the noise. The system also includes a first noise cancellation module that is configured to generate a noise cancellation waveform to mitigate the noise based on at least one of the amplitude of the noise and the frequency of the noise when the noise is objectionable wind noise.

Abstract: Methods and apparatus are provided for controlling noise in a cabin of a vehicle. In various embodiments, a method for controlling noise in a cabin of a vehicle includes measuring a first sound via a microphone in the cabin; obtaining a second sound from a loudspeaker of the cabin; estimating, via a processor, a third sound at a virtual location that is remote from both the microphone and the loudspeaker, using the first sound, the second sound, and one or more transfer functions; and applying active noise cancellation for the cabin based on the third sound at the virtual location.

Abstract: Methods and apparatus are provided for controlling noise in a cabin of a vehicle. In various embodiments, a method for controlling noise in a cabin of a vehicle includes measuring a first sound via a microphone in the cabin; obtaining a second sound from a loudspeaker of the cabin; estimating, via a processor, a third sound at a virtual location that is remote from both the microphone and the loudspeaker, using the first sound, the second sound, and one or more transfer functions; and applying active noise cancellation for the cabin based on the third sound at the virtual location.

Abstract: A Fourier Transform (FT) module configured to determine amplitudes of acceleration at predetermined orders, respectively, by performing a FT on a plurality of values of acceleration associated with a wheel. An order module is configured to identify one of the predetermined orders where one of the amplitudes is greater than a predetermined value and to, based on the one of the amplitudes and a rotational speed of the wheel, determine an order of a frequency corresponding to the rotational speed of the wheel. A sound control module is configured to set characteristics for outputting sound at the order of the frequency corresponding to the rotational speed of the wheel. An audio driver module is configured to, based on the characteristics, apply power to a speaker within a passenger cabin of the vehicle at the order of the frequency corresponding to the rotational speed of the wheel.

Abstract: A sound control module is configured to, based on a type of road over which a vehicle is traveling and a smoothness of the road, at least one of: determine a first frequency and a first increase at which to increase a first magnitude of a microphone signal; and determine a second frequency and a first decrease at which to decrease a second magnitude of the microphone signal. An audio driver module is configured to: receive the microphone signal from a microphone of the vehicle; generate an adjusted microphone signal by at least one of: increasing the first magnitude of the microphone signal at the first frequency based on the first increase; and decreasing the second magnitude of the microphone signal at the second frequency based on the first decrease; and apply power to a speaker of the vehicle based on the adjusted microphone signal.

Abstract: A sound control module is configured to, based on a type of road over which a vehicle is traveling and a smoothness of the road, at least one of: determine a first frequency and a first increase at which to increase a first magnitude of a microphone signal; and determine a second frequency and a first decrease at which to decrease a second magnitude of the microphone signal. An audio driver module is configured to: receive the microphone signal from a microphone of the vehicle; generate an adjusted microphone signal by at least one of: increasing the first magnitude of the microphone signal at the first frequency based on the first increase; and decreasing the second magnitude of the microphone signal at the second frequency based on the first decrease; and apply power to a speaker of the vehicle based on the adjusted microphone signal.

Abstract: Systems and method are provided for controlling a vehicle. A method of soundscape selection in a vehicle includes receiving a number of biometric parameters from sensors provided within an interior of the vehicle, and determining a state-of-mind of an occupant within the interior of the vehicle based on the biometric parameters. The method further includes selecting, with a soundscape determination module including a processor, a soundscape responsive to the state of mind of the occupant, and providing to the vehicle a set of vehicle parameters based on the selected soundscape.

Abstract: An audio system of a vehicle includes a detection module configured to detect an occurrence of a sound when a pressure measured by an exhaust pressure sensor in an exhaust system is greater than a predetermined pressure. A sound control module is configured to, in response to the detection of the sound, increase a magnitude of a predetermined sound to be output within a passenger cabin of the vehicle. An audio driver module is configured to apply power to a speaker of the passenger cabin of the vehicle based on the predetermined sound.

Abstract: When the engine is off and not combusting fuel for one of an auto-stop portion of an auto-stop/start event and operation in a sail mode, a selection module sets at least one of: a selected torque based on a pseudo torque output of the engine; and a selected engine speed based on a pseudo engine speed determined for the one of the auto-stop portion of the auto-stop/start event and the operation in the sail mode. A sound control module, based on the at least one of the selected engine speed and the selected torque, sets at least one of: a frequency at which to output a predetermined engine sound; and a magnitude for outputting the predetermined engine sound at the frequency. An audio driver module applies power to at least one speaker of the vehicle to output the predetermined engine sound at the frequency and the magnitude.

Abstract: A method of controlling a vehicle having an automated driving system configured to control a vehicle subsystem includes determining an autonomous actuation event for the vehicle subsystem. The method additionally includes detecting a presence of a vehicle occupant. The method also includes, in response to an anticipated change in vehicle dynamics based on the determined actuation event and to the detected presence of the vehicle occupant, providing a notification to the occupant before initiation of the actuation event. The method further includes generating an actuation command based on the actuation event and controlling the vehicle subsystem according to the actuation command via the automated driving system.