SG10201900071XA - Method for generating customized spatial audio with head tracking - Google Patents
Method for generating customized spatial audio with head trackingInfo
- Publication number
- SG10201900071XA SG10201900071XA SG10201900071XA SG10201900071XA SG10201900071XA SG 10201900071X A SG10201900071X A SG 10201900071XA SG 10201900071X A SG10201900071X A SG 10201900071XA SG 10201900071X A SG10201900071X A SG 10201900071XA SG 10201900071X A SG10201900071X A SG 10201900071XA
- Authority
- SG
- Singapore
- Prior art keywords
- impulse response
- spatial audio
- head
- filters
- headphone
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000005070 sampling Methods 0.000 abstract 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/012—Head tracking input arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/752—Contour matching
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
- H04S3/004—For headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
- H04S7/303—Tracking of listener position or orientation
- H04S7/304—For headphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
- H04S7/306—For headphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Otolaryngology (AREA)
- Stereophonic System (AREA)
Abstract
METHOD FOR GENERATING CUSTOMIZED SPATIAL AUDIO WITH HEAD TRACKING OF THE DISCLOSURE A headphone for spatial audio rendering includes a first database having an impulse response pair corresponding to a reference speaker location. A head sensor provides head 5 orientation information to a second database having rotation filters, the filters corresponding to different azimuth and elevation positions relative to the reference speaker location. A digital signal processor combines the rotation filters with the impulse response pair to generate an output binaural audio signal to transducers of the headphone. Efficiencies in creating impulse response or HRTF databases are achieved by sampling the impulse response less frequently than 10 in conventional methods. This sampling at coarser intervals reduces the number of data measurements required to generate a spherical grid and reduces the time involved in capturing the impulse responses. Impulse responses for data points falling between the sampled data points are generated by interpolating in the frequency domain. 15 Fig. 1A and 1B
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862614482P | 2018-01-07 | 2018-01-07 | |
US16/136,211 US10390171B2 (en) | 2018-01-07 | 2018-09-19 | Method for generating customized spatial audio with head tracking |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201900071XA true SG10201900071XA (en) | 2019-08-27 |
Family
ID=64755219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201900071XA SG10201900071XA (en) | 2018-01-07 | 2019-01-03 | Method for generating customized spatial audio with head tracking |
Country Status (9)
Country | Link |
---|---|
US (5) | US10390171B2 (en) |
EP (1) | EP3509327B1 (en) |
JP (1) | JP7071297B2 (en) |
KR (1) | KR102574082B1 (en) |
CN (1) | CN110021306B (en) |
DK (1) | DK3509327T3 (en) |
PL (1) | PL3509327T3 (en) |
SG (1) | SG10201900071XA (en) |
TW (1) | TWI797230B (en) |
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2018
- 2018-09-19 US US16/136,211 patent/US10390171B2/en active Active
- 2018-12-20 EP EP18214729.8A patent/EP3509327B1/en active Active
- 2018-12-20 PL PL18214729T patent/PL3509327T3/en unknown
- 2018-12-20 DK DK18214729.8T patent/DK3509327T3/en active
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2019
- 2019-01-03 SG SG10201900071XA patent/SG10201900071XA/en unknown
- 2019-01-04 CN CN201910007403.1A patent/CN110021306B/en active Active
- 2019-01-04 TW TW108100316A patent/TWI797230B/en active
- 2019-01-07 KR KR1020190001875A patent/KR102574082B1/en active IP Right Grant
- 2019-01-07 JP JP2019000508A patent/JP7071297B2/en active Active
- 2019-08-19 US US16/544,746 patent/US11006235B2/en active Active
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2021
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2022
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2023
- 2023-08-02 US US18/364,261 patent/US20230379650A1/en active Pending
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DK3509327T3 (en) | 2020-12-21 |
EP3509327A1 (en) | 2019-07-10 |
US11445321B2 (en) | 2022-09-13 |
US20230379650A1 (en) | 2023-11-23 |
PL3509327T3 (en) | 2021-04-06 |
TWI797230B (en) | 2023-04-01 |
JP2019146160A (en) | 2019-08-29 |
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US20190215637A1 (en) | 2019-07-11 |
JP7071297B2 (en) | 2022-05-18 |
EP3509327B1 (en) | 2020-10-07 |
US20230007433A1 (en) | 2023-01-05 |
US20190379995A1 (en) | 2019-12-12 |
KR102574082B1 (en) | 2023-09-01 |
CN110021306B (en) | 2023-12-12 |
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US11006235B2 (en) | 2021-05-11 |
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