Harman Becker Automotive Systems Patente

In various embodiments, a method includes receiving an audio signal from a microphone system associated with a vehicle, receiving a video signal from a camera system associated with the vehicle, identify a facial classification model for classifying one or more facial makers in the video signal, determining that an occupant of the vehicle is speaking using the facial classification model, and generating an isolated audio signal corresponding to a speech signal in the audio signal using the facial classification model.

Systems and methods are herein provided for generation of video data based on previously recorded video data. In one example, a method for generating in-vehicle sensor data comprises obtaining recorded data from one or more in-vehicle sensors positioned in a first vehicle, wherein the recorded data is annotated to indicate one or more landmarks of a subject; determining a current sensor position of the one or more in-vehicle sensors when the recorded data was obtained; obtaining a three-dimensional (3D) model of a second vehicle; determining a target sensor position for newly generated sensor data; generating, based on the recorded data, the current sensor position, the 3D model, and the target sensor position, new sensor data; and outputting the new sensor data to a display device.

In at least one embodiment, an audio system is provided. The audio system includes one or more microphones and at least one controller. The one or more microphones are positioned within a listening space to provide a captured audio input signal. The at least one controller is programmed to receive the captured audio input signal and to receive a first signal indicative of an audio level in the listening space. The at least one controller determines a gain amount based on the audio level and to adjusts the captured audio input signal.

A method including obtaining sensor data from one or more sensors of a sensor suite associated with a vehicle, the display of a visual overlay associated with an environment corresponding to a location of the vehicle, the determination of one or more potential hazards present within the environment, and highlighting the one or more potential hazards in the displayed visual overlay of the environment.

A method is disclosed for a controller of a vehicle, for continuously acquiring images from a forward-facing camera (117, 118) of portions of a front environment of the vehicle that are obstructed by the hood of the vehicle, and continuously projecting the generated images onto screens (204a-204d) integrated within a windshield of the vehicle. The forward-facing camera (117, 118) may be positioned behind the windshield and above a line of sight of the operator, granting the camera increased visibility over the front environment of the vehicle. Each image of a video feed of the camera is processed to perform three-dimensional (3D) scene reconstruction, using depth estimation combined with mesh generation. At each of the screens (204a, 204d), a view of an image acquired by the camera is generated in a respective driver's eye point of view with appropriate model view and projection matrices.

A method including the display of an external environment of a vehicle, the detection of one or more hazards within a distance-related threshold from the vehicle, and the display of a hazard visualization corresponding to a location of the one or more hazards.

In various embodiments, a computer-implemented method comprises determining, by a voice recognition system included in a vehicle, a mask type of a mask worn by an occupant of the vehicle, acquiring a compensation curve corresponding to the mask type, acquiring an audio signal of the occupant speaking, and applying the compensation curve to the audio signal to generate a compensated audio signal.

In at least one embodiment, an emulator system including at least one first audio controller is provided. The at least one first audio controller includes a primary field programmable gate array (FPGA), a universal audio network interface sub-board and a secondary FPGA. The primary FPGA is programmed to one of transmit and receive at least one audio signal in a vehicle. The universal audio network interface sub-board is operably coupled to the primary FPGA and is programmed to one or more of transmit or receive the at least one audio signal in accordance with one or more audio network interfaces. The secondary FPGA includes a first communication block that is programmed to enable the primary FPGA to one of transmit or receive the at least one audio signal in accordance with the one or more audio network interfaces to or from the universal audio network interface.

Techniques for techniques for audio processing using auditory analysis are described. In some embodiments, the techniques include generating auditory bands based on an audio input, performing frequency domain processing on the auditory bands to generate processed auditory bands, and producing an audio output by reconstructing the processed auditory bands, where the where the auditory bands and the processed audio bands include exponentially spaced center frequencies.

A method and system for analyzing over-the-air (OTA) client logs from vehicles includes receiving OTA client log files comprising error logs generated during OTA software updates, preprocessing the log files to generate cleaned log files by removing duplicated log lines and standardizing formats, segmenting the cleaned log files into log chunks, and analyzing the chunks using both rule-based and artificial intelligence (AI) approaches. The AI analysis includes generating vector embeddings for error-related log lines, comparing embeddings with an insignificant error database to filter out insignificant errors, retrieving error context information from a vector database, and generating error summaries using a large language model. The system displays analysis results via a failure analysis engineer (FAE) review interface and updates databases based on FAE feedback. This hybrid approach enables efficient processing of OTA client logs while maintaining accuracy through rule-based filtering and contextual AI analysis.

Embodiments are disclosed for an example telematics system for a vehicle. The telematics system includes a reconfigurable antenna including an antenna portion, a coupling portion, a radiation switch, and a frequency switch. The telematics system further includes a plurality of antennas, and a processor with instructions stored in non-volatile memory to link one antenna of the plurality of antennas to the satellite based on a predicted overlap between a stored radiation pattern of the one antenna and a calculated azimuth and elevation angle of the satellite.

A system, such as a driver monitoring system (DMS) for a vehicle, includes a first infrared (IR) camera, a second IR camera, a sensor, and a controller. The first camera is configured to output a first IR light, such as to illuminate a driver of the vehicle with the first IR light for use of the first camera in monitoring the driver. The second camera is configured to output a second IR light, such as to illuminate the driver with a second IR light for use of the second camera in monitoring the driver. The sensor is configured to detect the first IR light being outputted by the first camera. The controller is configured to control the second camera to not output the second IR light while the sensor detects the first IR light being outputted by the first camera.

A system is described that comprises a computing device having one or more processors and a memory. The computing device is configured to receive a first stream of first data. The computing device is further configured to perform an analysis on the first stream of first data at a first time and at a second time that is different from the first time and determine whether there is a change in the first stream of first data between the first time and the second time. In addition, the computing device is configured to, if there is a change in the first stream of first data between the first time and the second time, adjust at least one tuning parameter of an audio tuning algorithm of an audio processing system. The audio processing system is configured to process audio input by means of the audio tuning algorithm to generate audio output.

A sound reproduction method comprises receiving an input audio signal representative of audio content to be reproduced; generating at least two sound zones using multiple loudspeakers, the multiple loudspeakers being configured, positioned and operated to spatially limit audibility of audio content to be reproduced to one of the at least two sound zones, and reproducing in the one of the at least two sound zones the audio content to be reproduced using at least some of the multiple loudspeakers, wherein the at least some of the multiple loudspeakers are configured, positioned and operated to generate from the input audio signal sound that creates three-dimensional audio effects, the three-dimensional audio effects including placement of virtual sound sources anywhere in a three-dimensional space, and the three-dimensional space being the one of the at least two sound zones.

Systems and methods are herein provided for in-vehicle respiratory characteristic estimation. In one example, a vehicle computing system of a vehicle comprises one or more processors; memory storing instructions that when executed cause the one or more processors to: obtain video data comprising a plurality of frames from one or more visual sensing devices within the vehicle; extract motion data from the video data; determine, from the motion data, a breathing wave and one or more respiratory characteristics of a subject within the vehicle; and output the breathing wave and one or more respiratory characteristics to one or more of an advanced driver assistance system (ADAS) and a health and wellbeing system.

A loudspeaker arrangement comprises a loudspeaker (110) including a diaphragm to transmit an audio output, at least one light source (130), and an acoustic lens (120) coupled to the loudspeaker (110) and defining a first opening to enable the first audio output to pass from the first opening at a first predetermined angle, wherein the acoustic lens (120) comprises at least one first light guide (122) extending through the first opening, each light source (130) of the at least one light source (130) is coupled to at least one of the at least one first light guide (122) such that light emitted by a light source (130) is internally reflected along the respective at least one first light guide (122), and each light guide (122) of the at least one first light guide (122) comprises a plurality of extraction elements arranged successively along a length of the light guide (122), each of the plurality of extraction elements configured to direct light emitted by a respective one of the at least one light source (130) and internally reflected along the respective at least one first light guide (122) in a direction away from the loudspeaker (110).

An acoustic system includes an acoustic vehicle alerting system (AVAS) and a vehicle cabin sound system. The AVAS has an external speaker arrangeable on an exterior portion of a vehicle to output audio alerts of the AVAS for persons in an external environment of the vehicle to hear to be alerted to the presence of the vehicle. An audio source device, such as a radio, audio streaming system, microphone, etc., of the vehicle cabin sound system is arranged as an audio source of the AVAS. The audio source device generates or receives an audio sound typically outputted by the vehicle cabin sound system for persons in an interior portion of the vehicle to hear. As the audio source device is arranged as an audio source of the AVAS, the external speaker may output the audio sound of the audio source device for persons in the external environment to hear.

The application relates to speaker configured to emit sound in a main sound emission direction, the speaker comprising a movable diaphragm; a drive unit comprising a magnet generating a magnetic field, a first pole piece comprising a through hole arranged to contact the magnet on a first surface of the magnet, a second pole piece arranged to contact the magnet on a second surface of the magnet opposite the first surface, wherein the first and second pole pieces are configured to generate a magnetic field in an air gap between the first and second pole piece where the diaphragm is located. The speaker includes a light source configured to emit light and a light guide configured to guide the light emitted by the light source through the through hole in direction of the main sound emission direction to the movable diaphragm, the light guide comprising an elongated first section with a longitudinal axis parallel to the main sound emission direction and a second section extending substantially perpendicular to the elongated first section, the light guide being configured to guide the light through the elongated first section to the second section where the light is guided in direction of the movable diaphragm, wherein the elongated first section comprises a first connecting element and a second connecting element to provide an interference fit between the light guide and the first pole piece.

Systems and methods are herein provided for V2X message forwarding. In one example, a method comprises a network receiving message data from one or more units via a long range interface; identifying, based on determined communication capabilities, a first subset of units capable of both long short range communication and a second subset of units capable of only long range communication; forwarding first message data from the second subset of units to one or more short range units via one or more first elected units of the first subset of units based on location; and forwarding second message data received from one or more second elected units of the first subset of units to the second subset of units, wherein the second message data comprises data of the one or more short range units received by the second elected units of the first subset of units based on location.

Embodiments are disclosed for an example telematics system for a vehicle. The example telematics system comprises a plurality of antennas capable of sending and receiving wireless signals and a telematics unit configured to select an antenna from the plurality of antennas based on network information and dynamic vehicle information and connect the selected antenna to the telematics unit to send and/or receive wireless signals via the selected antenna.

An audio system in a vehicle includes at least one controller including one or more processors being programmed to provide an output audio signal; a first integrated circuit (IC) configured to drive a first loudspeaker; and a first switch including: a first terminal being operably coupled to a first feedback wire from the first loudspeaker, a second terminal being operably coupled to a component of the first IC, and a third terminal being operably coupled with the one or more processors, wherein the first switch is configured to selectively connect the first terminal to one of the second terminal or the third terminal.

An audio system for a vehicle, the system includes a first loudspeaker of a plurality of loudspeakers configured to transmit a first audio test signal including at least one first audio property into a listening environment; one or more microphones configured to capture the first audio test signal; and at least one controller programmed to employ a beamforming operation to adjust a direction of the microphone toward the first loudspeaker; store information corresponding to at least one first predetermined audio property that is indicative of the first loudspeaker properly functioning; compare the at least one first audio property of the captured first audio test signal to the first predetermined audio property; and transmit a message indicative of the first loudspeaker exhibiting a failure based on the at least one first audio property not being similar to the first predetermined audio property.

In at least one embodiment, an audio system is provided. The audio system includes an audio controller and a measurement controller. The audio controller is programmed to transmit a control signal and an audio input signal. The amplifier is programmed to process the control signal and transmit the processed control signal on a control bus. The amplifier is further programmed to execute the processed control signal at at least one processor to perform an operation on the audio input signal. The measurement controller is programmed to determine a total time delay for performing the operation on the audio input signal at the amplifier. The total time delay corresponds to (i) a first-time delay associated with at least processing the control signal; (ii) a second time delay associated with at least transmitting the processed control signal; and (iii) a third time delay associated with at least executing the processed control signal.

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