CN111566934B - 低延迟抽取滤波器和内插器滤波器 - Google Patents
低延迟抽取滤波器和内插器滤波器 Download PDFInfo
- Publication number
- CN111566934B CN111566934B CN201880084913.2A CN201880084913A CN111566934B CN 111566934 B CN111566934 B CN 111566934B CN 201880084913 A CN201880084913 A CN 201880084913A CN 111566934 B CN111566934 B CN 111566934B
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- signal
- filter
- noise
- sampling frequency
- noise signal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
- H04R3/04—Circuits for transducers for correcting frequency response
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17855—Methods, e.g. algorithms; Devices for improving speed or power requirements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
- G10K2210/30281—Lattice filters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3051—Sampling, e.g. variable rate, synchronous, decimated or interpolated
-
- 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
- G10L2021/02163—Only one microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Human Computer Interaction (AREA)
- General Health & Medical Sciences (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762579809P | 2017-10-31 | 2017-10-31 | |
| US62/579809 | 2017-10-31 | ||
| PCT/US2018/058574 WO2019089845A1 (en) | 2017-10-31 | 2018-10-31 | Low delay decimator and interpolator filters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111566934A CN111566934A (zh) | 2020-08-21 |
| CN111566934B true CN111566934B (zh) | 2024-04-09 |
Family
ID=66245756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880084913.2A Active CN111566934B (zh) | 2017-10-31 | 2018-10-31 | 低延迟抽取滤波器和内插器滤波器 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10904661B2 (https=) |
| EP (1) | EP3704796B1 (https=) |
| JP (1) | JP7282761B2 (https=) |
| CN (1) | CN111566934B (https=) |
| WO (1) | WO2019089845A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111801727B (zh) * | 2018-02-01 | 2024-07-23 | 思睿逻辑国际半导体有限公司 | 具有可选择采样率的主动噪声消除(anc)系统 |
| US10848131B1 (en) * | 2019-05-29 | 2020-11-24 | Synaptics Incorporated | Low power lattice wave filter systems and methods |
| TWI760676B (zh) * | 2020-01-07 | 2022-04-11 | 瑞昱半導體股份有限公司 | 具有抗噪機制的音訊播放裝置及方法 |
| GB2595647A (en) | 2020-05-28 | 2021-12-08 | Nokia Technologies Oy | Decimator for audio signals |
| WO2022119990A1 (en) | 2020-12-03 | 2022-06-09 | Dolby Laboratories Licensing Corporation | Audibility at user location through mutual device audibility |
| CN112929780B (zh) * | 2021-03-08 | 2024-07-02 | 东莞市七倍音速电子有限公司 | 一种降噪处理的音频芯片及耳机 |
| EP4097714B1 (en) * | 2021-04-22 | 2025-04-09 | Google LLC | Reduced complexity implementation for acoustic noise canceling |
| CN119727665B (zh) * | 2024-12-06 | 2025-11-25 | 西安交通大学 | 一种σ-δadc降采样数字滤波器浮点系数定点化单元设计方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257729A (zh) * | 2007-03-02 | 2008-09-03 | 索尼株式会社 | 信号处理装置和信号处理方法 |
| CN101740023A (zh) * | 2008-11-20 | 2010-06-16 | 哈曼国际工业有限公司 | 具有音频信号补偿的有源噪声控制系统 |
| CN103597542A (zh) * | 2011-06-03 | 2014-02-19 | 美国思睿逻辑有限公司 | 一种用于个人音频设备的自适应噪声消除框架结构 |
| CN104040888A (zh) * | 2012-01-10 | 2014-09-10 | Actiwave公司 | 多速率滤波器系统 |
| CN107112003A (zh) * | 2014-09-30 | 2017-08-29 | 爱浮诺亚股份有限公司 | 具有低时延的声学处理器 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3416477B2 (ja) * | 1997-08-22 | 2003-06-16 | 三洋電機株式会社 | デルタ・シグマ型d/a変換器 |
| US6442581B1 (en) * | 1999-09-21 | 2002-08-27 | Creative Technologies Ltd. | Lattice structure for IIR and FIR filters with automatic normalization |
| JP2004120182A (ja) | 2002-09-25 | 2004-04-15 | Sanyo Electric Co Ltd | デシメーションフィルタおよびインターポレーションフィルタ |
| US8094046B2 (en) * | 2007-03-02 | 2012-01-10 | Sony Corporation | Signal processing apparatus and signal processing method |
| GB0725111D0 (en) | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Lower rate emulation |
| EP2216774B1 (en) * | 2009-01-30 | 2015-09-16 | Harman Becker Automotive Systems GmbH | Adaptive noise control system and method |
| US8737636B2 (en) * | 2009-07-10 | 2014-05-27 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation |
| US10115386B2 (en) * | 2009-11-18 | 2018-10-30 | Qualcomm Incorporated | Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients |
| US8526628B1 (en) * | 2009-12-14 | 2013-09-03 | Audience, Inc. | Low latency active noise cancellation system |
| US9053697B2 (en) | 2010-06-01 | 2015-06-09 | Qualcomm Incorporated | Systems, methods, devices, apparatus, and computer program products for audio equalization |
| US9609451B2 (en) * | 2015-02-12 | 2017-03-28 | Dts, Inc. | Multi-rate system for audio processing |
-
2018
- 2018-10-31 CN CN201880084913.2A patent/CN111566934B/zh active Active
- 2018-10-31 US US16/177,308 patent/US10904661B2/en active Active
- 2018-10-31 EP EP18873787.8A patent/EP3704796B1/en active Active
- 2018-10-31 WO PCT/US2018/058574 patent/WO2019089845A1/en not_active Ceased
- 2018-10-31 JP JP2020522813A patent/JP7282761B2/ja active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257729A (zh) * | 2007-03-02 | 2008-09-03 | 索尼株式会社 | 信号处理装置和信号处理方法 |
| CN101740023A (zh) * | 2008-11-20 | 2010-06-16 | 哈曼国际工业有限公司 | 具有音频信号补偿的有源噪声控制系统 |
| CN103597542A (zh) * | 2011-06-03 | 2014-02-19 | 美国思睿逻辑有限公司 | 一种用于个人音频设备的自适应噪声消除框架结构 |
| CN104040888A (zh) * | 2012-01-10 | 2014-09-10 | Actiwave公司 | 多速率滤波器系统 |
| CN107112003A (zh) * | 2014-09-30 | 2017-08-29 | 爱浮诺亚股份有限公司 | 具有低时延的声学处理器 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019089845A1 (en) | 2019-05-09 |
| EP3704796A4 (en) | 2021-10-27 |
| EP3704796B1 (en) | 2024-03-06 |
| JP2021501359A (ja) | 2021-01-14 |
| US10904661B2 (en) | 2021-01-26 |
| CN111566934A (zh) | 2020-08-21 |
| US20190132679A1 (en) | 2019-05-02 |
| EP3704796A1 (en) | 2020-09-09 |
| JP7282761B2 (ja) | 2023-05-29 |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20210531 Address after: California, USA Applicant after: Google Inc. Address before: California, USA Applicant before: SYNAPTICS Inc. |
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| GR01 | Patent grant |