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公开(公告)号：US11778383B2
公开(公告)日：2023-10-03
申请号：US17459197
申请日：2021-08-27
CPC分类号： H04R5/04 , H04R5/023 , H04R2499/13
摘要： A device for reducing crosstalk in an audio system that has first and second pairs of loudspeakers and first and second audio sources. The device is connected to each audio source and to at least the first pair of loudspeakers. The device includes a module for acquiring first audio signals from the first source and second audio signals from the second source, a module for determining crosstalk reduction filters resulting from a loudspeaker of the second pair, a module for calculating corrective signals, by applying the reduction filters to the second audio signals, and a module for generating corrected audio signals for the first pair, obtained from the first audio signals and corrective signals. Each reduction filter is obtained from transfer functions, each representing an acoustic path between a loudspeaker and a user's ear.
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公开(公告)号：US11523217B2
公开(公告)日：2022-12-06
申请号：US16912036
申请日：2020-06-25
发明人： Nicolas Lopez Zuleta , Mounira Rigaud-Maazaoui , Jérôme Noirot , Xenofon Doukopoulos , Gaël Laqueille , Jérémie Leclere
摘要： An audio system for a seat headrest includes N speaker(s), each configured to be integrated into a seat headrest, N being an integer greater than or equal to 1, and an audio processing device including an electronic transmission channel connected to the speaker(s) and configured to transmit at least one audio stream via the speaker(s). The audio system comprises P microphone(s), each configured to be integrated into the headrest, P being an integer greater than or equal to 1. The audio processing device further includes an electronic receiving channel connected to the microphone(s) and configured to receive at least one sound signal via the P microphone(s).
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公开(公告)号：US11673512B2
公开(公告)日：2023-06-13
申请号：US17536016
申请日：2021-11-27
CPC分类号： B60R11/0217 , H04R1/025 , H04R1/20 , H04R3/12 , H04R5/023 , H04S7/303 , H04S7/307 , H04R2205/024 , H04R2499/13
摘要： An audio processing method and system for a seat headrest audio system, the audio system including at least two speakers positioned on opposite sides of the headrest, the method including detecting a position of the user's head and adjusting a first set of parameters of at least one audio processing operation as a function of that position. The method includes determining a user characteristic and/or temporary state of the user, selecting an audio settings profile related to that characteristic, the audio settings profile including a second set of prerecorded audio profile parameters, and adjusting a third set of audio parameters effectively applied to control the audio rendering of each speaker, based on the first and second sets of parameters.
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公开(公告)号：US11259120B2
公开(公告)日：2022-02-22
申请号：US16905442
申请日：2020-06-18
发明人： Nicolas Lopez Zuleta , Mounira Rigaud-Maazaoui , Jérôme Noirot , Xenofon Doukopoulos , Gaël Laqueille , Jérémie Leclere
摘要： An audio system for a headrest having a set of R right speaker(s), a set of L left speaker(s), and an electronic chain configured to emit a sound signal from at least a right input signal and a left input signal. The electronic chain includes a separating module configured to obtain, from the right input signal and the left input signal (LIN), at least four mono audio components, and a sound spatialization module configured to apply, to each mono audio component delivered by the separating module, a binaural filter previously selected from the plurality of binaural filters, and dedicated to the audio component, producing a sound whose source position is associated with the previously selected binaural filter.
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