公开(公告)号：US11102580B2

公开(公告)日：2021-08-24

申请号：US15795721

申请日：2017-10-27

Applicant: AVNERA CORPORATION

Inventor： Manpreet S. Khaira ,  David McNeill ,  Eric Sorensen ,  Sydney Newton

IPC: H04R5/04 ,  H04R1/10 ,  B23P19/04 ,  H04R5/033

Abstract: The disclosure includes a headset including one or more earphones and a connector configured to couple data and charge between the headset and a user equipment (UE). The headset also includes a charge node. The charge node includes a charge port for receiving UE charge from a charge source. The charge node also includes a downstream port for coupling audio data toward the earphones. The charge node further includes an upstream port for coupling the audio data toward the earphones via the downstream port and coupling UE charge from the charge port toward the UE via the connector.

公开(公告)号：US10997960B2

公开(公告)日：2021-05-04

申请号：US16545917

申请日：2019-08-20

Applicant: Avnera Corporation

Inventor： Amit Kumar ,  Thomas Irrgang ,  Xudong Zhao

IPC: H04R3/00 ,  G10K11/178 ,  H04R1/10

Abstract: An audio processing system can include an Analog to Digital Converter structured to receive an analog input signal and convert the analog input signal to a digital input signal, a first processor coupled with the Analog to Digital Converter, the first processor including at least one programmable bi-quadratic filter chain structured to receive the digital input signal from the Analog to Digital Converter and perform audio processing on the received digital input signal at a first clock rate, and a second processor coupled with the first processor and the Analog to Digital Converter and structured to receive the digital input signal from the Analog to Digital Converter and perform audio processing on the received digital input signal at a second clock rate that is different from the first clock rate.

公开(公告)号：US10950214B2

公开(公告)日：2021-03-16

申请号：US16721529

申请日：2019-12-19

Applicant: Avnera Corporation

Inventor： Amit Kumar ,  Eric Sorensen

IPC: G10K11/178

Abstract: A system including an automatic noise canceling (ANC) headphone and a processor. The ANC headphone has a microphone configured to generate a microphone signal and at least two non-zero ANC gain levels. The processor is configured to receive the microphone signal, determine a characteristic of the microphone signal, and identify a revised ANC level from the ANC gain levels based on a comparison of the characteristic to at least one threshold. Methods are also disclosed.

公开(公告)号：US10667056B2

公开(公告)日：2020-05-26

申请号：US15599331

申请日：2017-05-18

Applicant: Avnera Corporation

Inventor： Chris O'Connor ,  Xudong Zhao

IPC: H04R3/12 ,  H04R1/10 ,  H04R29/00 ,  H04R5/04 ,  G10L19/012

Abstract: A low power, digital audio interface includes support for variable length coding depending on content of the audio data sent from the interface. A particularized coding system is implemented that uses techniques of silence detection, dynamic scaling, and periodic encoding to reduce sent data to a minimum. Other techniques include variable packet scaling based on an audio sample rate. Differential signaling techniques are also used. The digital audio interface may be used in a headphone interface to drive digital headphones. A detector in the interface may detect whether digital or analog headphones are coupled to a headphone jack and drive the headphone jack accordingly.

公开(公告)号：US10547944B2

公开(公告)日：2020-01-28

申请号：US16195340

申请日：2018-11-19

Applicant: Avnera Corporation

Inventor： Theodore Hetke ,  John Speth

IPC: H04R3/12 ,  H04W4/80

Abstract: A method for re-forming a complete ring network of a plurality of Bluetooth® speakers, after a speaker has left an original ring of speakers, the method including detecting that the speaker has left the ring, and reestablishing the ring without the departed speaker. The detection may include a timeout detection if the speaker left without notice, or include receiving notice that the speaker intends to leave.

公开(公告)号：US10540954B2

公开(公告)日：2020-01-21

申请号：US16101192

申请日：2018-08-10

Applicant: Avnera Corporation

Inventor： Amit Kumar ,  Thomas Irrgang ,  Shankar Rathoud ,  Eric Sorensen

IPC: G10K11/178 ,  H04R29/00 ,  H04R1/10

Abstract: A fixture for calibrating an active noise canceling (ANC) earphone, the calibration fixture including an ear model and an acoustic path. The ear model is configured to support an ANC earphone and includes an ear canal extending from an outer end of the ear canal to an inner end of the ear canal. The acoustic path is external to the ear canal and extends from, at a first end of the acoustic path, the inner end of the ear canal of the ear model to an opposite, second end of the acoustic path. The acoustic path is configured to transmit a mechanical sound wave received from the inner end of the ear canal to a region external to the ear model and adjacent the outer end of the ear canal.

公开(公告)号：US10474420B2

公开(公告)日：2019-11-12

申请号：US16159333

申请日：2018-10-12

Applicant: Avnera Corporation

Inventor： Manpreet S. Khaira ,  Shawn O'Connor ,  Frank Prestrelski ,  Patrick Allen Quinn ,  Richard Andrew Sorensen ,  Eric Sorensen

IPC: G06F3/16 ,  G06F3/01 ,  G06F3/03 ,  G06F3/041 ,  G06F3/0346

Abstract: A speaker system includes a case, an audio input, speakers, an accelerometer, and a computer processor. The audio input is structured to receive a program audio signal from an audio device. The speakers are configured to play an audio output based on the program audio signal, the audio output causing a vibration of the case. The accelerometer is configured to detect the vibration of the case as well as a user tap on the case. The computer processor is configured to identify a user gesture that includes the tap on the case, to identify the tap apart from the case vibration by processing the detected vibration of the case and the detected user tap on the case based on information from the program audio signal to separate the detected user tap from the detected vibration, and to commence a particular function associated with the user gesture.

公开(公告)号：US10390135B2

公开(公告)日：2019-08-20

申请号：US15895591

申请日：2018-02-13

Applicant: Avnera Corporation

Inventor： Amit Kumar ,  Thomas Irrgang ,  Xudong Zhao

IPC: H04R3/00 ,  G10K11/178 ,  H04R1/10

Abstract: An audio system can include an analog portion having multiple input sensors and an output device, a first digital portion running at a first rate and having a first processor that is electrically coupled with the input sensors and the output device, and a second digital portion running at a second rate that is higher than the first rate and having a second processor that is electrically coupled with the first processor.

公开(公告)号：US10283103B2

公开(公告)日：2019-05-07

申请号：US15916885

申请日：2018-03-09

Applicant: Avnera Corporation

Inventor： Amit Kumar

IPC: G10K11/175 ,  G10K11/178

Abstract: The disclosure includes an acoustic processing network comprising a Digital Signal Processor (DSP) operating at a first frequency and a Real-Time Acoustic Processor (RAP) operating at a second frequency higher than the first frequency. The DSP receives a noise signal from at least one microphone. The DSP then generates a noise filter based on the noise signal. The RAP receives the noise signal from the microphone and the noise filter from the DSP. The RAP then generates an anti-noise signal based on the noise signal and the noise filter for use in Active Noise Cancellation (ANC).

公开(公告)号：US10243579B2

公开(公告)日：2019-03-26

申请号：US15832503

申请日：2017-12-05

Applicant: Avnera Corporation

Inventor： Wai Lee ,  Garry N. Link

IPC: H03M1/00 ,  H03M1/46 ,  H03M1/06 ,  H03M1/80 ,  H03M1/16 ,  H03M1/14 ,  H03M1/12 ,  H03M1/18

Abstract: The disclosure includes a successive approximation register (SAR) analog to digital converter (ADC). The SAR ADC includes a sampling network to store a sample of an analog signal. The SAR ADC also includes a comparator to successively compare the sample to reference values to determine a digital value corresponding to the sample of the analog signal. The comparator employs a plurality of comparator preamplifiers. The comparator also includes a programmable trim filter. The programmable trim filter is selectively set to adjust a bandwidth of the comparator preamplifiers to a bandwidth value corresponding with a preamplifier settling time subceeding a preamplifier settling threshold.