Amplification Control Responsive To Ambient Sound Patents (Class 381/57)
  • Patent number: 10540955
    Abstract: A system and method includes a loudspeaker having a first, low-frequency driver and a second, high-frequency driver. An error microphone is disposed near the loudspeaker and receives sound output by both drivers as well as noise. An estimation of the secondary path between the drivers and the microphones is determined, and playback audio is applied to the estimation. The output of the estimation is subtracted from the output of the microphone to determine anti-noise. This anti-noise is used to modify audio data sent to the first, low-frequency driver; the audio data is sent directly to the second, high-frequency driver.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: January 21, 2020
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Ali Abdollahzadeh Milani, Samuel Jesse Anderson
  • Patent number: 10522140
    Abstract: An information processing system includes an output controller that causes an output portion to output a start condition for speech recognition processing to be performed by a speech recognition portion on sound information input from a sound collecting portion, in which the output controller dynamically changes the start condition for the speech recognition processing to be output from the output portion.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: December 31, 2019
    Assignee: SONY CORPORATION
    Inventors: Shinichi Kawano, Yuhei Taki
  • Patent number: 10506328
    Abstract: A system includes a first earpiece having an earpiece housing configured to isolate an ambient environment from a tympanic membrane by physically blocking ambient sound, a microphone disposed within the housing and configured to receive a first ambient audio signal from the ambient environment, a processor operatively connected to the microphone wherein the processor is configured to receive the first ambient audio signal from the microphone and determine if the first ambient signal exceeds a threshold sound level, and a speaker operatively connected to the processor. In a first mode of operation the processor determines the first ambient audio signal exceeds the threshold sound level and processes the first ambient audio signal to modify the first ambient audio signal. In a second mode of operation the processor determines the first ambient audio signal does not exceed the threshold sound level and reproduces the first ambient audio signal at the speaker.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: December 10, 2019
    Assignee: BRAGI GmbH
    Inventors: Peter Vincent Boesen, Darko Dragicevic
  • Patent number: 10482756
    Abstract: Techniques for providing a notification to a user in a home network are provided. An example method according to the disclosure includes receiving an alert for the user, determining a location of the user, determining one or more proximate devices based on the location of the user, determining a location of one or more proximate non-interested users based on the proximate devices, determining an activity of the user, determining a preferred notification device based at least in part on the location of the user, the location of one or more proximate non-interested users, and the activity of the user, generating a notification message based at least in part on the preferred notification device, and sending the notification message to the preferred notification device.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: November 19, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Akash Kumar, Sai Pradeep Venkatraman
  • Patent number: 10441806
    Abstract: A system capable of self-adjusting both sound level and spectral content to improve audibility and intelligibility of medical device audible cues. Audible cues are stored as sound files. Ambient noise is detected, and the output of the audible cues is altered based on the ambient noise. Various embodiments include processed sound files that are more robust in noisy environments.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: October 15, 2019
    Assignee: PHYSIO-CONTROL, INC.
    Inventor: Robert Eugene Smith
  • Patent number: 10409930
    Abstract: A software application uncovers phase spreading that corrupts the linear response filters of a nonlinear system and executes a corrective algorithm that generates true-phase filters of the response over all nonlinear orders used in the analysis. The application first outputs a signal with logarithmically changing frequency, as a stimulus to generate a set of Farina harmonic response filters. The application then constructs an identity model and excites the identity model with an identical input under identical conditions, to generate a set of spreading function filters. The application computes the inverse of the spreading function filters and convolves the inverse spreading function filters with the Farina harmonic response filters to generate a set of spreading corrected filters. Finally, the application constructs the unmixing Chebyshev matrix and convolves the spreading correction filters with the unmixing Chebyshev matrix to remove the spreading and generate harmonically pure and phase-corrected filters.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: September 10, 2019
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventor: Russell H. Lambert
  • Patent number: 10366587
    Abstract: An audible sensor chip that includes: a base border; speakers on opposing sides of the chip; a control processor; and a camera. The speakers may include four speakers, where two speakers are on each side of a center console. Preferably, the camera is positioned at the center of the console.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: July 30, 2019
    Inventors: Mobel Fadeyi, Segun Oke
  • Patent number: 10360894
    Abstract: In response to commencement of a meeting, embodiments select audio signals provided by the host of a meeting as a primary audio data source broadcast to a first meeting participant through a speaker of headphones worn by the first participant; determine a direction of gaze of the first meeting participant as a function of orientation data of the headphones; in response to determining that a second meeting participant is located within the gaze and that attention of the first participant is focused upon the second participant, initiate a side conversation between the first and second participants and set audio signals provided by the second participant as the primary source to the first participant through the headphones speaker.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: July 23, 2019
    Assignee: International Business Machines Corporation
    Inventors: Sarbajit K. Rakshit, John M. Ganci, Jr., Martin G. Keen, James E. Bostick
  • Patent number: 10349176
    Abstract: A method for processing signals, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes the following. When a user talks through the headphone, a first sound signal of external environment and a second sound signal of a talking party are alternately recorded with a headphone. A third sound signal of external environment is obtained, by eliminating voices in the first sound signal according to the second sound signal. Feature audio in the third sound signal of external environment is identified and reminding information corresponding to the feature audio is acquired. Inquire of the user whether the third sound signal is critical according to the reminding information, when the talk ends. An input operation of the user is detected and the third sound signal is processed according to the input operation of the user.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 9, 2019
    Assignee: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
    Inventor: Bixiang Yan
  • Patent number: 10339952
    Abstract: Systems and apparatuses are described to automatically balance acoustic channel sensitivity. A computer readable medium containing executable computer program instructions, which when executed by an acoustic signal processing system, cause the acoustic signal processing system to perform a process that includes calculating a long-term power level of a main acoustic signal to obtain an averaged main acoustic signal. Segments of the main acoustic signal are excluded from the averaged main acoustic signal using a desired voice activity detection signal. A long-term power level of a reference acoustic signal is calculated to obtain an averaged reference acoustic signal. Segments of the reference acoustic signal are excluded from the averaged reference acoustic signal using the desired voice activity detection signal. An amplitude correction signal is created using the averaged main acoustic signal and the averaged reference acoustic signal.
    Type: Grant
    Filed: October 14, 2017
    Date of Patent: July 2, 2019
    Assignee: KOPIN CORPORATION
    Inventor: Dashen Fan
  • Patent number: 10319389
    Abstract: A system and method for automatically controlling the timbre of a sound signal in a listening room are also disclosed, which include the following: producing sound in the time domain from a re-transformed electrical sound signal in the time domain, in which an electrical sound signal in the time domain being transformed into electrical sound signal in the frequency domain and the electrical sound signal in the frequency domain being re-transformed into the re-transformed electrical sound signal; generating a total sound signal representative of the total sound in the room, processing the total sound signal to extract an estimated ambient noise signal representing the ambient noise in the room; and adjusting the spectral gain of the electrical sound signal in the frequency domain dependent on the estimated ambient noise signal, the electrical sound signal and a room dependent gain signal.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: June 11, 2019
    Assignee: Harman Becker Automotive Systems GmbH
    Inventor: Markus Christoph
  • Patent number: 10311401
    Abstract: Embodiments relate generally to a system having one or more computerized kiosks (102, 150, 160, 180, 192) operable to associate a personal protection device (104) to a worker's personal information. In some embodiments, the kiosk (102, 150, 160, 180, 192) can use the worker's personal information to custom configure the personal protection device (104), so that the device (104) will better suit the needs of the specific worker.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: June 4, 2019
    Assignee: Honeywell International Inc.
    Inventors: Venkata Subbaiah Y, Ashok Giri, Kuldeep Sharma, Rachana K J, Sudeesh Thatha, Neal Anthony Muggleton, Sudhir Kamath, Vishnu Vardhan, Kushagra Thakur, Praveen Galagali, Pierre Van Neste, Chinmaya Kar, Liana Maria Kiff, Mohammed Ibrahim Mohideen
  • Patent number: 10304448
    Abstract: Environmental conditions, along with other information, are used to adjust a response of a conversational dialog system. The environmental conditions may be used at different times within the conversational dialog system. For example, the environmental conditions can be used to adjust the dialog manager's output (e.g., the machine action). The dialog state information that is used by the dialog manager includes environmental conditions for the current turn in the dialog as well as environmental conditions for one or more past turns in the dialog. The environmental conditions can also be used after receiving the machine action to adjust the response that is provided to the user. For example, the environmental conditions may affect the machine action that is determined as well as how the action is provided to the user. The dialog manager and the response generation components in the conversational dialog system each use the available environmental conditions.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 28, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Daniel Boies, Larry Heck, Tasos Anastasakos, Ruhi Sarikaya
  • Patent number: 10224019
    Abstract: Broadly speaking, embodiments of the present invention provide a wearable audio device including one or a plurality of microphones, a sound recognition systems and a controller to control the device based on one or more recognized sounds or classes of sound. Embodiments use stored sound models.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: March 5, 2019
    Assignee: AUDIO ANALYTIC LTD.
    Inventors: Chris James Mitchell, Joe Patrick Lynas, Julian Harris, Arnoldas Jasonas, Sacha Krstulovic
  • Patent number: 10224016
    Abstract: A noise cancelling headset includes an earpiece, the earpiece including a feedback microphone, a feed-forward microphone, and an output driver. A first feedback filter receives an input from at least the first feedback microphone and produces a first filtered feedback signal. A first feed-forward filter receives an input from at least the first feed-forward microphone and produces a first filtered feed-forward signal. A first summer combines the first filtered feedback signal and the first filtered feed-forward signal and produces a first output signal. An output interface provides the first output signal as an output from the headset.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: March 5, 2019
    Assignee: Bose Corporation
    Inventors: Daniel M. Gauger, Jr., Jahn Dmitri Eichfeld, Steven H. Isabelle, John Allen Rule
  • Patent number: 10154332
    Abstract: A system, method and wireless earpieces for managing power utilized by a pair of wireless earpieces. Ambient light conditions and noise levels in an environment of the pair of wireless earpieces are determined. The low power settings are activated for the pair of wireless earpieces in response to determining the ambient light conditions are below a light threshold or the noise levels are below a noise threshold; signal activity is below an activity threshold.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: December 11, 2018
    Assignee: BRAGI GmbH
    Inventors: Eric Christian Hirsch, Peter Vincent Boesen, Matthias Lackus, Martin Steiner
  • Patent number: 10141903
    Abstract: An audio system for a vehicle is described. The audio system includes an audio control computer device and an exterior audio assembly. The audio control computer device is in communication with a memory device. The audio control computer device is configured to store, in the memory device, at least one limited volume level and a corresponding speed range, receive a speed-related parameter indicative of an actual speed of the vehicle from a vehicle control system, determine if the actual speed of the vehicle is within the stored speed range based on the speed-related parameter, and permit operation of the exterior audio assembly at the at least one limited volume level when the actual speed of the vehicle is within the speed range.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: November 27, 2018
    Assignee: Honda Motor Co., Ltd.
    Inventor: Andrew T. Goeppner
  • Patent number: 10104472
    Abstract: An acoustic capture device includes an acoustic transducer, an acoustic detector, an analog-to-digital converter, and a processing element. The acoustic transducer captures an acoustic wave to generate an analog signal. The acoustic detector detects, according to the analog signal, a specific event to generate a trigger signal. The analog-to-digital converter converts the analog signal to generate a digital signal. The processing element receives the trigger signal to execute a control process. The control process includes: analyzing the digital signal to determine ambient information; determining a first set of parameters of the acoustic detector according to the ambient information; performing a control information protocol to adjust the acoustic detector according to the first set of parameters; and performing, according to the ambient information, an enhancement processing on the digital signal to generate an enhanced digital signal.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: October 16, 2018
    Assignee: FORTEMEDIA, INC.
    Inventors: Qiang Wei, Lung-Chu Joseph Chen, Powen Ru, Qing-Guang Liu, Yen-Son Paul Huang
  • Patent number: 10084423
    Abstract: Systems and methods provide a solution to a common nuisance of loud background noise encountered when watching television, allowing the issue to be solved with little or no user interaction. Systems and methods automatically modulate device volume based on background noise level. The systems and methods record a background level of noise, and if that background level of noise increases, the systems and methods automatically increase the content volume which had been set by the user. Exceptions are made for brief sounds or for viewer conversations.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 25, 2018
    Assignee: CRACKLE, INC.
    Inventors: Aaron Goldstein, Christine Coner, Ihor Yaskiw
  • Patent number: 10079030
    Abstract: A device may be configured to alert a user while the user is listening to audio over headphones. For example, the device may be configured to alert the user of the device, such as by reducing the volume of an audio signal output through the headphones and/or by providing a visual alert to the user on a display of the device. The device may compare a volume level of an outputted audio signal to a threshold. The device may activate a microphone based on the comparison of the volume level to the threshold. When the microphone is activated, the device may provide an alert to a user based on a determination that a received audio signal includes a portion that corresponds to a predetermined value.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: September 18, 2018
    Assignee: Qualcomm Incorporated
    Inventors: Vishnu Vardhan Kasilya Sudarsan, Raja Chitikela, Debesh Kumar Sahu, Chaitanya Sarayavalasa
  • Patent number: 10045116
    Abstract: A system includes a first earpiece having an earpiece housing configured to isolate an ambient environment from a tympanic membrane by physically blocking ambient sound, a microphone disposed within the housing and configured to receive a first ambient audio signal from the ambient environment, a processor operatively connected to the microphone wherein the processor is configured to receive the first ambient audio signal from the microphone and determine if the first ambient signal exceeds a threshold sound level, and a speaker operatively connected to the processor. In a first mode of operation the processor determines that the first ambient audio signal exceeds the threshold sound level and processes the first ambient audio signal to modify the first ambient audio signal. In a second mode of operation the processor determines that the first ambient audio signal does not exceed the threshold sound level and reproduces the first ambient audio signal at the speaker.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: August 7, 2018
    Assignee: BRAGI GmbH
    Inventors: Peter Vincent Boesen, Darko Dragicevic
  • Patent number: 9893697
    Abstract: Systems and methods for automatically adjusting volume in a vehicle are provided. One method includes generating a noise prediction based on images received from a vehicle camera; determining a cabin noise level based on the noise prediction and an audio signal detected by a cabin microphone; and selectively amplifying a quiet passage within the detected audio signal to above the cabin noise level while maintaining volume level of remaining passages within the detected signal. A vehicle system includes a cabin microphone for detecting an audio signal; a camera for capturing images; and a processor configured to: generate a noise prediction based on the images; determine a cabin noise level based on the noise prediction and the detected audio signal; and selectively amplify a quiet passage within the detected signal to above the cabin noise level while maintaining volume level of remaining passages within the detected signal.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: February 13, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Howard E. Churchwell, II, Mahmoud Yousef Ghannam, John Jensen
  • Patent number: 9877128
    Abstract: An electronic device (200) includes a user interface (205), a communication circuit (206), and an audio capture device (212) to receive ambient audio signals from an environment about the electronic device. A voice control interface engine (214) is operable with the audio capture device to process signals received from the audio capture device to identify at least some speech from the ambient audio signals. One or more processors (203) are operable with the voice control interface engine to compute a noise index as a function of the ambient audio signals and the at least some speech. The one or more processors can optionally identify a source of the at least some speech. Where the noise index exceeds a predefined criterion, the one or more processors can execute a communication operation on one or more of the user interface or the communication circuit.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: January 23, 2018
    Assignee: Motorola Mobility LLC
    Inventors: Dusan Macho Cierna, Robert T. Love
  • Patent number: 9818423
    Abstract: Disclosed is a headset including at least one in-ear microphone; at least one out-ear microphone; a control unit including an in-ear signal processing module for extracting low frequency components from a signal sensed through the in-ear microphone, an out-ear signal processing module for extracting high frequency components from a signal sensed through the out-ear microphone, and a mixing module for mixing the extracted low frequency components and high frequency components and outputting the mixed signal; and a communication unit for transmitting the signal output from the mixing module of the control unit to an external device, and sound quality can be improved by removing noises in a voice signal of a user transferred through the headset and creating a signal close to the voice of the user.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: November 14, 2017
    Assignee: ORFEO SOUNDWORKS CORPORATION
    Inventor: Eundong Kim
  • Patent number: 9807500
    Abstract: A interface circuit for an acoustic transducer provided with a first detection structure and a second detection structure has: a first input and a second input; a first processing path and a second processing path coupled, respectively, to the first input and second input and supply a first processed signal and a second processed signal; and a recombination stage, which supplies a mixed signal by combining the first processed signal and the second processed signal with a respective weight that is a function of a first level value of the first processed signal. The first and second inputs receive a respective detection signal associated, respectively, to the first detection structure and to the second detection structure of the acoustic transducer; and an output stage the first processed signal, the second processed signal or the mixed signal, on the basis of a second level value of the first processed signal.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: October 31, 2017
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Martino Zerbini, Luca Molinari
  • Patent number: 9788101
    Abstract: A method for providing elected sounds to a user—isolated from sounds of the environment—of a mobile device to increase his awareness regarding entities or events in his vicinity. The user wears sound isolating headphones connected to his mobile device. A mobile application is installed on the mobile device, and is automatically activated when the headphones are connected to his mobile device. The application is adapted to automatically activate the device's microphone when the isolating headphones are plugged into the device and periodically compare in real-time, sounds received from the environment, to a predefined collection of reference sounds. Sounds of the environment, which match one or more reference sounds from the collection are selectively filtered out and as long as the sounds received from the environment match the one or more reference sounds from the collection, the filtered sounds are continuously passed to the isolating headphones.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: October 10, 2017
    Assignee: DEUTSCHE TELEKOM AG
    Inventors: Barak Chizi, David (Dudu) Mimran, Bracha Shapira, Gil Rosen
  • Patent number: 9763003
    Abstract: Audio systems for a vehicle and methods for increasing auditory situation awareness in a vehicle are provided. An audio system includes at least one ambient microphone disposed on the vehicle, a processor and at least one loudspeaker. The at least one ambient microphone is configured to capture ambient sound external to the vehicle and to produce an ambient sound signal. The processor is configured to receive the ambient sound signal and an audio content signal, and to mix the ambient sound signal with the audio content signal to generate a mixed output signal. The at least one loudspeaker is configured to reproduce the mixed output signal in the vehicle cabin.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: September 12, 2017
    Assignee: Staten Techiya, LLC
    Inventors: John Usher, Steven W. Goldstein, John G. Casall
  • Patent number: 9748913
    Abstract: An apparatus and method are disclosed, which separates ambient noise from a voice signal in a Bluetooth headset with dual microphones, switches the connection path between the dual microphones and automatically controls output audio gain, based on the ambient noise. The method for outputting the voice signal includes receiving/comparing the first and second input signals from the first and second microphones, extracting the voice signal of substantially identical intensity from the first and second input signals, and transmitting the voice signal from the portable terminal communicating with the Bluetooth headset.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: August 29, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Young Kim, Do Hwan Choi
  • Patent number: 9716952
    Abstract: Disclosed herein are methods, systems, and devices for mitigating the impact of noise, such a low-frequency noise caused by wind, on sounds received at a hearing prosthesis. An example method includes receiving an external sound signal transduced externally to a recipient from an ambient sound and an internal sound signal transduced internally to the recipient from the ambient sound. The example method also includes determining that a triggering condition is present in the external sound signal. The triggering condition may be indicative of a condition in that more adversely affects externally-received sounds than internally-received sounds. In response to determining that the triggering condition is present in the external sound signal, the example method further includes generating a stimulation signal that is based at least in part on spectral information of the internally-transduced sound.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 25, 2017
    Assignee: Cochlear Limited
    Inventor: Stefan Mauger
  • Patent number: 9674330
    Abstract: A mobile communication terminal is disclosed. The mobile communication terminal has Receiver Mode and hands-free mode and switchable between the modes. The terminal includes a first sound generator, which works under Receiver Mode and used for receiving and playing voice signal; a second sound generator, which works under Receiver Mode and Hands-free Mode and used for receiving and playing voice signal; when the mobile communication terminal works under Receiver Mode, the first sound generator and the second sound generator receive and play voice signal at the same time. A method of improving sound quality of the mobile communication terminal is also provided.
    Type: Grant
    Filed: January 24, 2016
    Date of Patent: June 6, 2017
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventors: Hongxing Wang, Bingke Zhu
  • Patent number: 9673767
    Abstract: The present invention concerns a MEMS Microphone (1) comprising, a transducer element (2) for providing an electrical signal, a first part (3) for receiving the electrical signal from the transducer element (2) and for providing a processed signal, a second part (4) for receiving the processed signal from the first part (3) and for providing an output signal of the MEMS microphone (1), and a gain control unit (5) that is enabled to adjust a gain setting of the first part (3) and to adjust a gain setting of the second part (4). Further, another aspect of the present invention concerns a method of operating said MEMS microphone (1) comprising the step of adjusting a gain setting of the first part (3) and adjusting a gain setting of the second part (4).
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: June 6, 2017
    Assignee: TDK Corporation
    Inventor: Ivan Riis Nielsen
  • Patent number: 9673768
    Abstract: Multipath digital microphone systems comprising a multipath digital audio combiner component are described. Exemplary multipath digital microphone systems can switch from conveying one digital audio signal to conveying another digital audio signal based on one or more switching criteria determined by an exemplary multipath digital audio combiner component. Provided implementations can be configured to switch from conveying one digital audio signal to conveying digital audio signal according to an algorithm to provide low-power, high dynamic range digital microphone systems, without audible artifacts associated with conventional digital microphone systems.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: June 6, 2017
    Assignee: INVENSENSE, INC.
    Inventor: Michael H. Perrott
  • Patent number: 9668287
    Abstract: A wireless communication device and method for same, including: a first communication unit configured to use a non-IP-based wireless communication protocol, a second communication unit configured to use an IP-based wireless communication protocol, and a controller configured to: search for a wireless device for communication, the wireless communication device configured to provide a universal plug and play (UPnP) service, the search being by use of the first communication unit, and initiate the UPnP service with respect to a found wireless device for communication by use of the second communication unit.
    Type: Grant
    Filed: February 2, 2010
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jin-mook Lim
  • Patent number: 9647620
    Abstract: A method for controlling a gain applied to an audio signal. The method comprises applying a gain step to a gain setting at defined time intervals, and upon detection of at least one zero crossing point within the audio signal, applying the gain setting to a gain control signal for controlling the gain applied to the audio signal.
    Type: Grant
    Filed: January 17, 2010
    Date of Patent: May 9, 2017
    Assignee: MediaTek Pte Ltd.
    Inventors: Patrick Alan O'Connell, Niall McDermott, Frederick Carnegie Thompson
  • Patent number: 9631996
    Abstract: According to an embodiment, a method of sensing motion includes receiving a first signal from a first pressure sensor and a second signal from a second pressure sensor, comparing the first signal and the second signal, and characterizing a motion based on the comparing.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: April 25, 2017
    Assignee: Infineon Technologies AG
    Inventors: Andreas Wiesbauer, Christian Mandl, Andreas Kopetz, Roland Helm
  • Patent number: 9565506
    Abstract: An interface for expanding a signal starting from a first sensing signal and a second sensing signal, wherein a receiving intensity measuring element generates an intensity signal; and a selector is controlled to select each time the first sensing signal, the second sensing signal, or a combined signal deriving from a weighted combination of these signals. The selector uses a plurality of thresholds variable as a function of the intensity signal.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: February 7, 2017
    Assignee: STMicroelectronics S.r.l.
    Inventors: Marco Veneri, Alessandro Morcelli
  • Patent number: 9548713
    Abstract: Volume leveler controller and controlling method are disclosed. In one embodiment, A volume leveler controller includes an audio content classifier for identifying the content type of an audio signal in real time; and an adjusting unit for adjusting a volume leveler in a continuous manner based on the content type as identified. The adjusting unit may configured to positively correlate the dynamic gain of the volume leveler with informative content types of the audio signal, and negatively correlate the dynamic gain of the volume leveler with interfering content types of the audio signal.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: January 17, 2017
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Jun Wang, Lie Lu, Alan Seefeldt
  • Patent number: 9532136
    Abstract: An audio mixer for mixing a plurality of audio tracks to a mixture signal has a semantic command interpreter for receiving a semantic mixing command and for deriving a plurality of mixing parameters for the plurality of audio tracks from the semantic mixing command; an audio track processor for processing the plurality of audio tracks in accordance with the plurality of mixing parameters; and an audio track combiner for combining the plurality of audio tracks processed by the audio track processor into the mixture signal. A corresponding method has: receiving a semantic mixing command; deriving a plurality of mixing parameters for the plurality of audio tracks from the semantic mixing command; processing the plurality of audio tracks in accordance with the plurality of mixing parameters; and combining the plurality of audio tracks resulting from the processing of the plurality of audio tracks to form the mixture signal.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: December 27, 2016
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Christian Uhle, Juergen Herre, Harald Popp, Falko Ridderbusch
  • Patent number: 9513866
    Abstract: Systems and methods may provide for determining a usage context of a headset and detecting one or more danger-related conditions based on the usage context. Additionally, one or more settings of the headset may be adjusted in response to at least one of the one or more danger-related conditions. In one example, adjusting the one or more settings includes one or more of deactivating noise cancellation, adjusting noise cancellation to increase an intensity of at least one of the one or more danger-related sounds, or adjusting one or more audio playback settings associated with the headset.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: December 6, 2016
    Assignee: Intel Corporation
    Inventors: Mei Lu, Jonathan J. Huang, Stephen E. Rich, Noah Fishel
  • Patent number: 9503813
    Abstract: A system and method for dynamic residual noise shaping configured to reduce hiss noise in an audio signal. The system and method may detect an amount and type of hiss noise. The system and method may limit calculated noise suppression gains responsive to the detected amount and type of hiss noise. The limited noise suppression gains may be applied to the audio signal and may reduce the hiss noise.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: November 22, 2016
    Assignee: 2236008 Ontario Inc.
    Inventors: Xueman Li, Phillip Alan Hetherington
  • Patent number: 9481326
    Abstract: Embodiments are described for an in-vehicle computing system, and methods of controlling vehicle settings using the in-vehicle computing system based on input received from a wearable device. Input may also be received from a mobile device. The in-vehicle computing system may automatically adjust one or more vehicle settings based on the received input.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: November 1, 2016
    Assignee: Harman International Industries, Incorporated
    Inventor: Dibyendu Chatterjee
  • Patent number: 9473096
    Abstract: Systems and methods for dynamically adjusting transmit gain in a transceiver. The gain is adjusted in order to provide the maximum gain. The amount of distortion is measured. The gain is increased until the distortion reaches a predetermined limit. The gain of several components can be adjusted independently.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: October 18, 2016
    Assignee: Entropic Communications, LLC
    Inventor: Branislav Petrovic
  • Patent number: 9472180
    Abstract: A headset and a method configured to process audio signals from multiple microphones, comprising: a first pair of microphones (101,102) outputting a first pair of microphone signals and a second pair of microphones (103, 104) outputting a second pair of microphone signals; a first near-field beamformer (105) and a second near-field beamformer (106) each configured to receive a pair of microphone signals and adapt the spatial sensitivity of a respective pair of microphones as measured in a respective beamformed signal (XL; XR) output from a respective beamformer (105; 106); wherein the spatial sensitivity is adapted to suppress noise relative to a desired signal; a third beamformer (107) configured to dynamically combine the signals (XL; XR) output from the first beamformer (105) and the second beamformer (106) into a combined signal (XC); wherein the signals are combined such that signal energy in the combined signal is minimized while a desired signal is preserved; and a noise reduction unit (109) configured
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 18, 2016
    Assignee: GN Netcom A/S
    Inventor: Rasmus Kongsgaard Olsson
  • Patent number: 9467769
    Abstract: The invention discloses a headset communication method under a strong-noise environment and a headset.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: October 11, 2016
    Assignee: GOERTEK, INC.
    Inventors: Song Liu, Jian Zhao
  • Patent number: 9456274
    Abstract: A interface circuit for an acoustic transducer provided with a first detection structure and a second detection structure has: a first input and a second input; a first processing path and a second processing path coupled, respectively, to the first input and second input and supply a first processed signal and a second processed signal; and a recombination stage, which supplies a mixed signal by combining the first processed signal and the second processed signal with a respective weight that is a function of a first level value of the first processed signal. The first and second inputs receive a respective detection signal associated, respectively, to the first detection structure and to the second detection structure of the acoustic transducer; and an output stage the first processed signal, the second processed signal or the mixed signal, on the basis of a second level value of the first processed signal.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: September 27, 2016
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Martino Zerbini, Luca Molinari
  • Patent number: 9398366
    Abstract: Thus there is provided an earphone or headset comprising a housing, an internal microphone, an external microphone and a signal processing unit. The signal processing unit is connected to the internal microphone and the external microphone. The signal processing unit serves for signal processing of an audio signal of the external microphone and for adding the signal-processed audio signal to an audio signal from the internal microphone. The signal processing unit is adapted to perform band pass limitation of the audio signal of the external microphone and to output the added signal as an output signal.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: July 19, 2016
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Achim Gleiβner
  • Patent number: 9386146
    Abstract: In one aspect, the present invention facilitates the investigation of networks of criminals, by gathering associations between phone numbers, the names of persons reached at those phone numbers, and voice print data. In another aspect the invention automatically detects phone calls from a prison where the voiceprint of the person called matches the voiceprint of a past inmate. In another aspect the invention detects identity scams in prisons, by monitoring for known voice characteristics of likely imposters on phone calls made by prisoners. In another aspect, the invention automatically does speech-to-text conversion of phone numbers spoken within a predetermined time of detecting data indicative of a three-way call event while monitoring a phone call from a prison inmate. In another aspect, the invention automatically thwarts attempts of prison inmates to use re-dialing services.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 5, 2016
    Assignee: SECURUS TECHNOLOGIES, INC.
    Inventors: Jay Gainsboro, Lee Weinstein
  • Patent number: 9318090
    Abstract: An adaptive noise canceling (ANC) circuit adaptively generates an anti-noise signal from a reference microphone signal that is injected into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone proximate the speaker provides an error signal. A secondary path estimating adaptive filter estimates the electro-acoustical path from the noise canceling circuit through the transducer so that source audio can be removed from the error signal. Tones in the source audio, such as remote ringtones, present in downlink audio during initiation of a telephone call, are detected by a tone detector using accumulated tone persistence and non-silence hangover counting, and adaptation of the secondary path estimating adaptive filter is halted to prevent adapting to the tones. Adaptation of the adaptive filters is then sequenced so any disruption of the secondary path adaptive filter response is removed before allowing the anti-noise generating filter to adapt.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 19, 2016
    Assignee: CIRRUS LOGIC, INC.
    Inventors: Dayong Zhou, Yang Lu, Jon D. Hendrix, Jeffrey Alderson, Antonio John Miller, Chin Yong, Gautham Devendra Kamath
  • Patent number: 9294059
    Abstract: An acoustic device, which reproduces an acoustic signal of one acoustic source selected from a plurality of acoustic sources. A first averaging unit averages signal levels of the acoustic signal for a first time period to obtain a first average signal. A second averaging unit averages the signal levels for a second time period shorter than the first time period to obtain a second average signal. A selecting unit selects either the first average signal or the second average signal as one signal having a signal level higher than the other. A gain decreasing unit decreases a gain of the acoustic signal according to the signal level of the one signal if the signal level of the one signal is higher than a threshold value determined according to the one acoustic source. A correcting unit corrects the signal levels of the acoustic signal according to the gain.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: March 22, 2016
    Assignee: FUJITSU TEN LIMITED
    Inventors: Masahiko Kubo, Yuji Tomita, Masanobu Maeda, Nahoko Akai
  • Patent number: 9278654
    Abstract: An interior rearview mirror system suitable for use in a vehicle includes an interior rearview mirror assembly having a mirror head and a reflective element. The mirror head includes a first microphone operable to generate a first analog signal and a second microphone operable to generate a second analog signal. The first analog signal is converted to a first digital signal by at least one analog to digital converter and the second analog signal is converted to a second digital signal by the at least one analog to digital converter. A digital sound processor is operable to process the first and second digital signals. Responsive to the processing of the first and second digital signals, the digital sound processor generates a digital output, and the digital output, at least in part, distinguishes a human voice present in the vehicle from noise present in the vehicle.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: March 8, 2016
    Assignee: DONNELLY CORPORATION
    Inventors: Timothy G. Skiver, Joseph P. McCaw, John T. Uken, Jonathan E. DeLine, Niall R. Lynam