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公开(公告)号：US20190141195A1
公开(公告)日：2019-05-09
申请号：US16242616
申请日：2019-01-08
Applicant: Bose Corporation
Inventor： Cristian Marius Hera , Vigneish Kathavarayan , Jeffery R. Vautin , Elie Bou Daher , Paraskevas Argyropoulos
IPC: H04M9/08 , H04B3/23 , H04B1/3822
CPC classification number: H04M9/082 , H04B1/3822 , H04B3/23
Abstract: Audio systems and methods are provided to reduce echo content in an audio signal. The systems and methods receive an audio signal and sound stage rendering parameter(s), and select a set of filter coefficients to filter the audio signal to provide an estimated echo signal. The estimated echo signal is subtracted from a microphone signal to provide an output signal with reduced echo content. The set of filter coefficients are selected based upon the sound stage rendering parameter(s) from among a plurality of stored sets of filter coefficients.
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公开(公告)号：US10200540B1
公开(公告)日：2019-02-05
申请号：US15667988
申请日：2017-08-03
Applicant: BOSE CORPORATION
Inventor： Cristian M. Hera , Vigneish Kathavarayan , Jeffery R. Vautin , Elie Bou Daher , Paraskevas Argyropoulos
IPC: H04M9/08 , H04B3/23 , H04B1/3822
Abstract: Audio systems and methods are provided to reduce echo content in an audio signal. The systems and methods receive an audio signal and sound stage rendering parameter(s), and select a set of filter coefficients to filter the audio signal to provide an estimated echo signal. The estimated echo signal is subtracted from a microphone signal to provide an output signal with reduced echo content. The set of filter coefficients are selected based upon the sound stage rendering parameter(s) from among a plurality of stored sets of filter coefficients.
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公开(公告)号：US20180233159A1
公开(公告)日：2018-08-16
申请号：US15431029
申请日：2017-02-13
Applicant: BOSE CORPORATION
Inventor： Cristian M. Hera , Jeffery R. Vautin , Elie Bou Daher , Paraskevas Argyropoulos , Vigneish Kathavarayan
IPC: G10L21/0232 , H03G5/16 , H04R1/40 , G10L21/0364 , G10L25/78 , H04R1/02 , H04R3/04
CPC classification number: G10L21/0232 , G10L21/0208 , G10L21/0364 , G10L25/78 , G10L2021/02082 , G10L2021/02087 , G10L2021/02166 , H03G5/165 , H04R1/025 , H04R1/406 , H04R3/005 , H04R3/04 , H04R2499/13
Abstract: Audio systems and methods for providing intelligible audio content within a vehicle cabin. In one example, the audio system includes a first speaker to provide first audio content to a first seating position based on an audio signal received from an audio signal source, a second speaker to provide second audio content to a second seating position, a first microphone assembly positioned to detect speech content originating at the second seating position, leaked second audio content from the second speaker, and road noise, and audio signal processing circuitry configured to determine a perturbing signal based at least in part on a combination of the first speech content, the leaked second audio content, and the road noise, and adjust the audio signal to the first speaker to compensate for an effect of the perturbing signal on the first audio content at the first seating position.
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公开(公告)号：US09913065B2
公开(公告)日：2018-03-06
申请号：US14946951
申请日：2015-11-20
Applicant: Bose Corporation
Inventor： Jeffery R. Vautin , Michael S. Dublin , Charles Oswald
CPC classification number: H04S5/00 , H04R5/023 , H04R2499/13 , H04S3/008 , H04S7/30 , H04S7/302 , H04S2400/11 , H04S2420/01
Abstract: An audio system includes a plurality of speakers and an audio signal processor. The audio signal processor receives an audio signal and source position data associated with the audio signal; and applies a set of speaker driver signals to the plurality of speakers. The set of speaker driver signals causes the plurality of speakers to generate acoustic output that simulates output of the audio signal by an audio source at a location corresponding to the source position data in each of a plurality of discrete acoustic areas.
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公开(公告)号：US20180035205A1
公开(公告)日：2018-02-01
申请号：US15225088
申请日：2016-08-01
Applicant: BOSE CORPORATION
Inventor： Jeffery R. Vautin , Michael S. Dublin
CPC classification number: H04R3/04 , H03G3/3005 , H03G3/3026 , H03G3/32 , H03G5/165 , H03G2201/307 , H04R2499/13 , H04S1/002 , H04S2400/13
Abstract: An entertainment audio processing system includes a music limiter configured to receive an audio signal, volume control information for music, and volume control information for announcement. The music limiter is further configured to calculate a gain parameter based on a music-to-announcement ratio. In another aspect, an entertainment audio processing system includes a mixer configured to substantially match a left audio signal channel and a right audio signal channel. The entertainment audio processing system further includes an equalizer configured to introduce magnitude and phase changes between the left audio signal channel and the right audio signal channel.
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Patent Agency Ranking
公开(公告)号：US11012775B2
公开(公告)日：2021-05-18
申请号：US16362190
申请日：2019-03-22
Applicant: Bose Corporation
Inventor： Jeffery R. Vautin , Nicholas Lade , Muhammad Haris Usmani
Abstract: An audio system, including at least one approximating circuit, the at least one approximating circuit configured to apply an approximated gain to the input signal, the least one approximating circuit outputting an approximated signal; a limiter configured to reduce a magnitude of the input signal by a gain determined by an amount the magnitude of the approximated filtered signal exceeds a predetermined threshold, the limiter outputting a limited input signal; a filter being respectively configured to receive the limited input signal and to respectively apply a filter gain, the filters outputting a plurality of filtered signals, wherein the approximated gain is substantially similar to the filter gain of one of the plurality of equalization filters; and a speaker array comprising a plurality of speakers, each speaker configured to receive a respective filtered signal of the plurality of filtered signals and to transduce the filtered signal to an audio signal.
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公开(公告)号：US20200304911A1
公开(公告)日：2020-09-24
申请号：US16362190
申请日：2019-03-22
Applicant: Bose Corporation
Inventor： Jeffery R. Vautin , Nicholas Lade , Muhammad Haris Usmani
Abstract: An audio system, including at least one approximating circuit, the at least one approximating circuit configured to apply an approximated gain to the input signal, the least one approximating circuit outputting an approximated signal; a limiter configured to reduce a magnitude of the input signal by a gain determined by an amount the magnitude of the approximated filtered signal exceeds a predetermined threshold, the limiter outputting a limited input signal; a filter being respectively configured to receive the limited input signal and to respectively apply a filter gain, the filters outputting a plurality of filtered signals, wherein the approximated gain is substantially similar to the filter gain of one of the plurality of equalization filters; and a speaker array comprising a plurality of speakers, each speaker configured to receive a respective filtered signal of the plurality of filtered signals and to transduce the filtered signal to an audio signal.
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公开(公告)号：US10742187B2
公开(公告)日：2020-08-11
申请号：US15879989
申请日：2018-01-25
Applicant: Bose Corporation
Inventor： Zukui Song , Michael S. Dublin , Christopher J. Cheng , Jeffery R. Vautin
Abstract: A system is provided for limiting distortion of an audio speaker. The system includes a first lowpass filter circuitry that is configured to receive a system input signal and generate a first lowpass filtered output signal. The system also includes a first limiter circuitry that is configured to limit the first lowpass filtered output signal. Limiting the first low pass filtered output signal includes reducing an amplitude of the first lowpass filtered output signal below a first predetermined threshold value, thereby to generate a first limited output signal. A second lowpass filter circuitry is configured to receive the first limited output signal and to generate a second lowpass filtered output signal.
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公开(公告)号：US10257613B2
公开(公告)日：2019-04-09
申请号：US15829407
申请日：2017-12-01
Applicant: Bose Corporation
Inventor： Jeffery R. Vautin , Eduardo T. Salvador , Ryo Maiguma , Tobe Z. Barksdale , Douglas J. Holmi , Charles Oswald , Zukui Song , Shiufun Cheung , Michael S. Dublin
IPC: H04B3/00 , H04R3/12 , H04M9/08 , H04B3/20 , G10L15/26 , B60R11/02 , H04M1/60 , H04R5/02 , G10L21/0208 , G10L25/78
Abstract: A signal input module receives at least one of an entertainment audio signal and a telephony audio signal from vehicle sound circuitry. A level control module executes gain level control logic to balance the entertainment audio signal and a telephony audio signal according to a ratio. A gain control signal is applied to at least one of the entertainment audio signal and the telephony audio signal. A routing module mixes the entertainment audio signal and the telephony audio signal and routes the mixed signal to an output channel associated with a speaker.
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公开(公告)号：US20190045064A1
公开(公告)日：2019-02-07
申请号：US15667988
申请日：2017-08-03
Applicant: BOSE CORPORATION
Inventor： Cristian M. Hera , Vigneish Kathavarayan , Jeffery R. Vautin , Elie Bou Daher , Paraskevas Argyropoulos
IPC: H04M9/08 , H04B3/23 , H04B1/3822
Abstract: Audio systems and methods are provided to reduce echo content in an audio signal. The systems and methods receive an audio signal and sound stage rendering parameter(s), and select a set of filter coefficients to filter the audio signal to provide an estimated echo signal. The estimated echo signal is subtracted from a microphone signal to provide an output signal with reduced echo content. The set of filter coefficients are selected based upon the sound stage rendering parameter(s) from among a plurality of stored sets of filter coefficients.
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