Harman Becker Automotive Systems

Various embodiments disclose computer-implemented method for excitor protection in a multimedia system including receiving an audio output signal associated with an audio input signal, determining an excitor specification associated with an excitor, wherein the excitor specification specifies one or more operating parameters, and generating an excitor output signal based on the excitor specification.

An audio system (100, 200) comprises an ambience analysis unit (102, 202) configured to identify and/or analyze early reflections and reverberation present in a first plurality of audio input signals (IN) or in processed versions of the first plurality of audio input signals (INx), a weighting unit (106, 206) configured to weigh the early reflections identified in the first plurality of audio input signals (IN) or in the processed versions of the first plurality of audio input signals (INx), and the reverberation identified in the first plurality of audio input signals (IN) or in the processed versions of the first plurality of audio input signals (INx), and a merging unit (108, 208) configured to assign the weighted early reflections identified in the first plurality of audio input signals (IN) or in the processed versions of the first plurality of audio input signals (INx) to a first subset of a second plurality of audio output signals (OUT), and to assign the weighted reverberation identified in the first plurality of audio input signals (IN) or in the processed versions of the first plurality of audio input signals (INx) to a second subset of the second plurality of audio output signals (OUT).

An apparatus and a method for audio applications. The apparatus comprising a memory and a processor, the processor is configured to receive a first audio signal, receive metadata associated with the first audio signal, create a first profile associated with the first audio signal, the first profile comprising a plurality of adjustable audio parameters, and process the first audio signal with the plurality of adjustable audio parameters of the first profile. The processor is further configured to send the processed first audio signal with the first profile to one or more playback devices. The processor is further configured to receive, from one or more sensors, one or more first user inputs, analyse the one or more first user inputs, and adjust one or more of the plurality of audio parameters of the first profile based on the analysis, the metadata, or a combination of the analysis and the metadata. The processor is further configured to process the first audio signal with the adjusted first profile, and send the processed first audio signal with the adjusted first profile to the one or more channels.

In at least one embodiment, an audio system (100) including an audio arrangement (110), a power management circuit (106), and at least one controller (104) is provided. The audio arrangement (110) is programmed to transmit an audio output signal via at least one loudspeaker (130) in response to an audio input signal. The power management circuit (106) includes at least one first switch (107) being operably coupled to at least one battery (112). The power management circuit (106) is configured to transmit a voltage from the at least one battery (112) to the audio arrangement (110) to power the audio arrangement (110) to transmit the audio output signal. The at least one controller (104) is programmed to selectively activate the at least one first switch (107) to charge a capacitor (108) to a predetermined charge level to prevent an in-rush of current from being delivered to the electronics of the audio arrangement (110) while the at least one battery (112) experiences a fault condition.

A method of modifying an audio signal, a system comprising a processor operable to carry out the method, and a vehicle comprising a processor operable to carry out the method. The method comprising receiving an audio signal and extracting reverberation characteristics from the audio signal, the reverberation characteristics comprising a plurality of parameters. The method further comprising generating an artificial reverberation, the artificial reverberation comprising at least one of the parameters and applying the artificial reverberation to the audio signal. The method further comprising sending a modified audio signal to a plurality of speakers, the modified audio signal comprising the artificial reverberation applied to the audio signal.

A method for a vehicle includes outputting, via a loudspeaker, an audio content; providing a lighting effect output via a lighting device based on the audio content; determining an amplitude gradient using a minimum amplitude and a maximum amplitude of the audio content in a past time period, wherein the amplitude gradient includes a plurality of levels; determining a future amplitude of the audio content to be played at a future time; determining a corresponding level of the amplitude gradient that the future amplitude corresponds to; and adjusting the output of the lighting effect using the corresponding level, such that a speed of the output and the corresponding level of the lighting effect are positively correlated.

A microphone hub and a method of operating one or more microphone hubs, The microphone hub including an input operable to receive one or more analog audio signals from one or more microphones, an audio network interface (ANIF), at least one analogue to digital converter (ADC) coupled to the input and to the ANIF, and a power system operable to provide power to the microphone hub. The ADC is operable to convert each of the one or more analog audio signals to one or more digital audio signals. The ADC is further operable to send the one or more digital audio signals to the ANIF.

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.

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.

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.