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公开(公告)号：US10013981B2
公开(公告)日：2018-07-03
申请号：US14732711
申请日：2015-06-06
Applicant: Apple Inc.
Inventor： Sean A. Ramprashad , Harvey D. Thornburg , Arvindh Krishnaswamy , Aram M. Lindahl
Abstract: A speech recognition system for resolving impaired utterances can have a speech recognition engine configured to receive a plurality of representations of an utterance and concurrently to determine a plurality of highest-likelihood transcription candidates corresponding to each respective representation of the utterance. The recognition system can also have a selector configured to determine a most-likely accurate transcription from among the transcription candidates. As but one example, the plurality of representations of the utterance can be acquired by a microphone array, and beamforming techniques can generate independent streams of the utterance across various look directions using output from the microphone array.
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公开(公告)号：US20180033447A1
公开(公告)日：2018-02-01
申请号：US15225707
申请日：2016-08-01
Applicant: Apple Inc.
Inventor： Sean A. Ramprashad , Esge B. Andersen , Joshua D. Atkins , Sorin V. Dusan , Vasu Iyengar , Tarun Pruthi , Lalin S. Theverapperuma
IPC: G10L21/028 , G10L25/21 , G10L21/0232
Abstract: An audio system has a housing in which are integrated a number of microphones. A programmed processor accesses the microphone signals and produces a number of acoustic pick up beams based groups of microphones, an estimation of voice activity and an estimation of noise characteristics on each beam. Two or more beams including a voice beam that is used to pick up a desired voice and a noise beam that is used to provide information to estimate ambient noise are adaptively selected from among the plurality of beams, based on thresholds for voice separation and thresholds for noise-matching. Other embodiments are also described and claimed.
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公开(公告)号：US09865265B2
公开(公告)日：2018-01-09
申请号：US14732715
申请日：2015-06-06
Applicant: Apple Inc.
Inventor： Sean A. Ramprashad , Harvey D. Thornburg , Arvindh Krishnaswamy , Aram M. Lindahl
CPC classification number: G10L15/34 , G10L15/16 , G10L15/20 , G10L2015/022 , G10L2021/02166
Abstract: A speech recognition system for resolving impaired utterances can have a speech recognition engine configured to receive a plurality of representations of an utterance and concurrently to determine a plurality of highest-likelihood transcription candidates corresponding to each respective representation of the utterance. The recognition system can also have a selector configured to determine a most-likely accurate transcription from among the transcription candidates. As but one example, the plurality of representations of the utterance can be acquired by a microphone array, and beamforming techniques can generate independent streams of the utterance across various look directions using output from the microphone array.
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公开(公告)号：US20130329909A1
公开(公告)日：2013-12-12
申请号：US13790666
申请日：2013-03-08
Applicant: APPLE INC.
Inventor： Arvindh Krishnaswamy , Sean A. Ramprashad
IPC: H04R3/00
CPC classification number: H04R3/002 , G10L21/0324 , H04R3/00 , H04R5/04
Abstract: Improved systems and methods for psychoacoustic adaptive notch filtering are provided. By accounting for psychoacoustic properties of an audio signal as well as finer characteristics of noise which may be present in the audio signal (e.g., the shape of the spectral density of the noise), more effective strategies for dealing with undesirable components of the audio signal may be realized.
Abstract translation: 提供了用于心理声学自适应陷波滤波的改进的系统和方法。 通过考虑音频信号的心理声学特性以及可能存在于音频信号中的更精细的噪声特性（例如，噪声的频谱密度的形状），用于处理音频信号的不期望的分量的更有效的策略 可以实现。
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公开(公告)号：US20220059123A1
公开(公告)日：2022-02-24
申请号：US17514694
申请日：2021-10-29
Applicant: Apple Inc.
Inventor： Jonathan D. Sheaffer , Joshua D. Atkins , Mehrez Souden , Symeon Delikaris Manias , Sean A. Ramprashad
IPC: G10L25/78 , G10L21/0272 , G06T7/246 , H04R3/00
Abstract: Processing of ambience and speech can include extracting from audio signals, ambience and speech signals. One or more spatial parameters can be generated that define spatial characteristics of ambience sound in the one or more ambience audio signals. The primary speech signal, the one or more ambience audio signals, and the spatial parameters can be encoded into one or more encoded data streams. Other aspects are described and claimed.
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Patent Agency Ranking
公开(公告)号：US20210358515A1
公开(公告)日：2021-11-18
申请号：US17232027
申请日：2021-04-15
Applicant: Apple Inc.
Inventor： Joseph M. Williams , Sean A. Ramprashad , Nathan de Vries , Nicholas Felton
IPC: G10L25/51 , G10L21/0232 , H04R1/08 , H04R29/00 , G10L25/06
Abstract: A method performed by a processor of an audio source device. The method drives an audio output device of the audio source device to output a sound with an audio output signal. The method obtains a microphone signal from a microphone of the audio source device, the microphone signal capturing the outputted sound. The method determines whether the audio output device is a headset or a loudspeaker based on the microphone signal and configures an acoustic dosimetry process based on the determination.
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公开(公告)号：US20190222931A1
公开(公告)日：2019-07-18
申请号：US16362048
申请日：2019-03-22
Applicant: Apple Inc.
Inventor： Adam E. Kriegel , Afrooz Family , Sean A. Ramprashad , Sylvain J. Choisel
CPC classification number: H04R3/04 , G10L21/0208 , G10L2021/02082 , H04R1/403 , H04R3/12 , H04R27/00 , H04R29/002 , H04R29/007 , H04R2227/005 , H04S7/305 , H04S7/307
Abstract: An audio system includes one or more loudspeaker cabinets, each having loudspeakers. Sensing logic determines an acoustic environment of the loudspeaker cabinets. The sensing logic may include an echo canceller. A low frequency filter corrects an audio program based on the acoustic environment of the loudspeaker cabinets. The system outputs an omnidirectional sound pattern, which may be low frequency sound, to determine the acoustic environment. The system may produce a directional pattern superimposed on an omnidirectional pattern, if the acoustic environment is in free space. The system may aim ambient content toward a wall and direct content away from the wall, if the acoustic environment is not in free space. The sensing logic automatically determines the acoustic environment upon initial power up and when position changes of loudspeaker cabinets are detected. Accelerometers may detect position changes of the loudspeaker cabinets.
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公开(公告)号：US10299039B2
公开(公告)日：2019-05-21
申请号：US15613049
申请日：2017-06-02
Applicant: Apple Inc.
Inventor： Adam E. Kriegel , Afrooz Family , Sean A. Ramprashad , Sylvain J. Choisel
Abstract: An audio system includes one or more loudspeaker cabinets, each having loudspeakers. Sensing logic determines an acoustic environment of the loudspeaker cabinets. The sensing logic may include an echo canceller. A low frequency filter corrects an audio program based on the acoustic environment of the loudspeaker cabinets. The system outputs an omnidirectional sound pattern, which may be low frequency sound, to determine the acoustic environment. The system may produce a directional pattern superimposed on an omnidirectional pattern, if the acoustic environment is in free space. The system may aim ambient content toward a wall and direct content away from the wall, if the acoustic environment is not in free space. The sensing logic automatically determines the acoustic environment upon initial power up and when position changes of loudspeaker cabinets are detected. Accelerometers may detect position changes of the loudspeaker cabinets.
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公开(公告)号：US20180352333A1
公开(公告)日：2018-12-06
申请号：US15636967
申请日：2017-06-29
Applicant: Apple Inc.
Inventor： Adam E. Kriegel , Afrooz Family , Sean A. Ramprashad , Sylvain J. Choisel
IPC: H04R3/04 , G10L21/0208 , H04R1/40 , H04R29/00 , H04R3/12
CPC classification number: H04R3/04 , G10L21/0208 , G10L2021/02082 , H04R1/403 , H04R3/12 , H04R27/00 , H04R29/002 , H04R29/007 , H04R2227/005 , H04S7/305 , H04S7/307
Abstract: An audio system includes one or more loudspeaker cabinets, each having loudspeakers. The system outputs an omnidirectional sound pattern to determine the acoustic environment. Sensing logic determines an acoustic environment of the loudspeaker cabinets. The sensing logic may include an echo canceller. A playback mode processor adjusts an audio program according to a playback mode determined from the acoustic environment of the audio system. The system may produce a directional pattern superimposed on an omnidirectional pattern, if the acoustic environment is in free space. The system may aim ambient content toward a wall and direct content away from the wall, if the acoustic environment is not in free space. The sensing logic automatically determines the acoustic environment upon initial power up and when position changes of loudspeaker cabinets are detected. Accelerometers may detect position changes of the loudspeaker cabinets.
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20.发明授权公开(公告)号：US09432787B2
公开(公告)日：2016-08-30
申请号：US15019521
申请日：2016-02-09
Applicant: Apple Inc.
Inventor： Arvindh Krishnaswamy , David T. Yeh , Juha O. Merimaa , Sean A. Ramprashad
CPC classification number: H04R29/005 , H04R3/00 , H04R29/004 , H04R2499/11
Abstract: Systems and methods for determining the operating condition of multiple microphones of an electronic device are disclosed. A system can include a plurality of microphones operative to receive signals, a microphone condition detector, and a plurality of microphone condition determination sources. The microphone condition detector can determine a condition for each of the plurality of microphones by using the received signals and accessing at least one microphone condition determination source.
Abstract translation: 公开了用于确定电子设备的多个麦克风的操作条件的系统和方法。 系统可以包括可操作以接收信号的多个麦克风，麦克风条件检测器和多个麦克风条件确定源。 麦克风条件检测器可以通过使用接收到的信号并访问至少一个麦克风条件确定源来确定多个麦克风中的每一个的条件。
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