公开(公告)号：US11967329B2

公开(公告)日：2024-04-23

申请号：US17180255

申请日：2021-02-19

Applicant: QUALCOMM Incorporated

Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen ,  Siddhartha Goutham Swaminathan ,  S M Akramus Salehin ,  Jason Filos

IPC: G10L19/02 ,  H04S3/00 ,  H04S7/00

CPC classification number: G10L19/02 ,  H04S7/303 ,  H04S2420/01

Abstract: An example audio decoding device includes a memory configured to store at least a portion of a coded audio bitstream; and one or more processors configured to: decode, based on the coded audio bitstream, a representation of a soundfield; decode, based on the coded audio bitstream, a syntax element indicating a selection of either a head-related transfer function (HRTF) or a binaural room impulse response (BRIR); and render, using the selected HRTF or BRIR, speaker feeds from the soundfield.

公开(公告)号：US11240623B2

公开(公告)日：2022-02-01

申请号：US16058760

申请日：2018-08-08

Applicant: QUALCOMM Incorporated

Inventor： Nils Gunther Peters ,  S M Akramus Salehin ,  Shankar Thagadur Shivappa ,  Moo Young Kim ,  Dipanjan Sen

IPC: H04S7/00 ,  G02B27/01 ,  H04R5/04

Abstract: One or more processors may obtain a first distance between a first audio zone of the two or more audio zones associated with the one or more interest points within the first audio zone, and a first device position of a device, obtain a second distance between a second audio zone of the two or more audio zones associated with the one or more interest points within the second audio zone, and the first device position of the device, and obtain an updated first distance and updated second distance after movement of the device has changed from the first device position to a second device position. The one or more processor(s) may independently control the first audio zone and the second audio zone, such that the audio data within the first audio zone and the second audio zone are adjusted based on the updated first distance and updated second distance.

公开(公告)号：US11146903B2

公开(公告)日：2021-10-12

申请号：US14289522

申请日：2014-05-28

Applicant: QUALCOMM Incorporated

Inventor： Dipanjan Sen ,  Sang-Uk Ryu

IPC: G10L21/04 ,  G10L21/00 ,  H04S5/00 ,  G10L19/008 ,  G06F17/16 ,  H04S7/00 ,  G10L19/06 ,  G10L25/18 ,  G10L19/002 ,  G10L19/038 ,  G10L19/02 ,  G10L19/16 ,  G10L19/20 ,  G10L19/00

Abstract: In general, techniques are described for compressing decomposed representations of a sound field. A device comprising one or more processors may be configured to perform the techniques. The one or more processors may be configured to obtain a bitstream comprising a compressed version of a spatial component of a sound field, the spatial component generated by performing a vector based synthesis with respect to a plurality of spherical harmonic coefficients.

公开(公告)号：US20200260210A1

公开(公告)日：2020-08-13

申请号：US16863626

申请日：2020-04-30

Applicant: QUALCOMM Incorporated

Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen

IPC: H04S7/00 ,  G10L19/008

Abstract: An example audio decoding device includes processing circuitry and a memory device coupled to the processing circuitry. The processing circuitry is configured to receive, in a bitstream, encoded representations of audio objects of a three-dimensional (3D) soundfield, to receive metadata associated with the bitstream, to obtain, from the received metadata, one or more transmission factors associated with one or more of the audio objects, and to apply the transmission factors to the one or more audio objects to obtain parallax-adjusted audio objects of the 3D soundfield. The memory device is configured to store at least a portion of the received bitstream, the received metadata, or the parallax-adjusted audio objects of the 3D soundfield.

公开(公告)号：US10659906B2

公开(公告)日：2020-05-19

申请号：US15868656

申请日：2018-01-11

Applicant: QUALCOMM Incorporated

Inventor： Moo Young Kim ,  Nils Günther Peters ,  Dipanjan Sen

IPC: A63F13/30 ,  A61B6/00 ,  G10L19/00 ,  H04S3/00 ,  H04S7/00 ,  G10L19/008 ,  H04R5/033

Abstract: An example audio decoding device includes processing circuitry and a memory device coupled to the processing circuitry. The processing circuitry is configured to receive, in a bitstream, encoded representations of audio objects of a three-dimensional (3D) soundfield, to receive metadata associated with the bitstream, to obtain, from the received metadata, one or more transmission factors associated with one or more of the audio objects, and to apply the transmission factors to the one or more audio objects to obtain parallax-adjusted audio objects of the 3D soundfield. The memory device is configured to store at least a portion of the received bitstream, the received metadata, or the parallax-adjusted audio objects of the 3D soundfield.

公开(公告)号：US20200013426A1

公开(公告)日：2020-01-09

申请号：US16450682

申请日：2019-06-24

Applicant: QUALCOMM Incorporated

Inventor： Dipanjan Sen ,  Shankar Thagadur Shivappa ,  Nils Günther Peters ,  Ferdinando Olivieri

IPC: G10L21/055 ,  H04L29/06

Abstract: In general, techniques are described by which to synchronize enhanced audio transports with backward compatible audio transports. A device comprising a memory and one or more processors may be configured to perform the techniques. The memory may store a backward compatible bitstream conforming to a legacy transport format. The processor may obtain, from the backward compatible bitstream, a first audio transport stream, and obtain, from the backward compatible bitstream, a second audio transport stream. The processor(s) may also obtain, from the backward compatible bitstream, indications representative of synchronization information for the first audio transport stream and the second audio transport stream. The processor(s) may synchronize, based on the indications, the first audio transport stream and the second audio transport to obtain synchronized audio data stream. The processor(s) may obtain, based the synchronized audio data, enhanced audio data, and output the enhanced audio data to one or more speakers.

公开(公告)号：US20190387348A1

公开(公告)日：2019-12-19

申请号：US16557798

申请日：2019-08-30

Applicant: Qualcomm Incorporated

Inventor： Nils Günther Peters ,  Dipanjan Sen ,  Thomas Stockhammer

IPC: H04S7/00 ,  G06F3/01 ,  G06F3/16 ,  H04R1/02 ,  H04R1/40 ,  H04S3/00

Abstract: An example device includes a memory device, and a processor coupled to the memory device. The memory is configured to store a plurality of representations of a soundfield. The processor is configured to track a steering angle provided by one or more angles associated with the device, and to select, based on the steering angle, a representation of the soundfield from the plurality of representations stored to the memory device.

公开(公告)号：US10477310B2

公开(公告)日：2019-11-12

申请号：US15836660

申请日：2017-12-08

Applicant: QUALCOMM Incorporated

Inventor： S M Akramus Salehin ,  Ricardo De Jesus Bernal Castillo ,  Michael Ericson ,  Ferdinando Olivieri ,  Nils Gunther Peters ,  Dipanjan Sen

IPC: H04R3/00 ,  H04S7/00 ,  H04R1/40

Abstract: A method includes performing, at a processor, signal processing operations on signals captured by each microphone in a microphone array. The method also includes performing a first directivity adjustment by applying a first set of multiplicative factors to the signals to generate a first set of ambisonic signals. The first set of multiplicative factors is determined based on a position of each microphone in the microphone array, an orientation of each microphone in the microphone array, or both.

公开(公告)号：US10433087B2

公开(公告)日：2019-10-01

申请号：US15266776

申请日：2016-09-15

Applicant: QUALCOMM Incorporated

Inventor： Ricardo De Jesus Bernal Castillo ,  Daniel Weber ,  Dipanjan Sen ,  Eric Mattis ,  Mark Cherry ,  Nils Günther Peters

IPC: H04R29/00 ,  H04R3/04 ,  G01H17/00 ,  H04R3/00 ,  H04R1/40 ,  G01P15/097 ,  G01P15/125

Abstract: A method for reducing vibration noise by an electronic device is described. The method includes obtaining an audio signal. The audio signal includes vibration noise. The method also includes obtaining vibration data from one or more motion sensor signals. The method further includes processing the vibration data to produce microphone-response matched vibration data based on a transfer function. The method additionally includes reducing the vibration noise based on the microphone-response matched vibration data.

公开(公告)号：US20190116440A1

公开(公告)日：2019-04-18

申请号：US15782252

申请日：2017-10-12

Applicant: QUALCOMM Incorporated

Inventor： Nils Günther Peters ,  S M Akramus Salehin ,  Shankar Thagadur Shivappa ,  Moo Young Kim ,  Dipanjan Sen

IPC: H04S3/00 ,  G02B27/00 ,  H04S3/02 ,  G10L19/008

Abstract: In general, techniques are described for adapting higher order ambisonic audio data to include three degrees of freedom plus effects. An example device configured to perform the techniques includes a memory, and a processor coupled to the memory. The memory may be configured to store higher order ambisonic audio data representative of a soundfield. The processor may be configured to obtain a translational distance representative of a translational head movement of a user interfacing with the device. The processor may further be configured to adapt, based on the translational distance, higher order ambisonic audio data to provide three degrees of freedom plus effects that adapt the soundfield to account for the translational head movement, and generate speaker feeds based on the adapted higher order ambient audio data.