JP2021501359A5 - - Google Patents
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- JP2021501359A5 JP2021501359A5 JP2020522813A JP2020522813A JP2021501359A5 JP 2021501359 A5 JP2021501359 A5 JP 2021501359A5 JP 2020522813 A JP2020522813 A JP 2020522813A JP 2020522813 A JP2020522813 A JP 2020522813A JP 2021501359 A5 JP2021501359 A5 JP 2021501359A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sample frequency
- noise signal
- noise
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762579809P | 2017-10-31 | 2017-10-31 | |
| US62/579,809 | 2017-10-31 | ||
| PCT/US2018/058574 WO2019089845A1 (en) | 2017-10-31 | 2018-10-31 | Low delay decimator and interpolator filters |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021501359A JP2021501359A (ja) | 2021-01-14 |
| JP2021501359A5 true JP2021501359A5 (enExample) | 2021-09-30 |
| JP7282761B2 JP7282761B2 (ja) | 2023-05-29 |
Family
ID=66245756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020522813A Active JP7282761B2 (ja) | 2017-10-31 | 2018-10-31 | 低遅延デシメータ及びインターポレータフィルタ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10904661B2 (enExample) |
| EP (1) | EP3704796B1 (enExample) |
| JP (1) | JP7282761B2 (enExample) |
| CN (1) | CN111566934B (enExample) |
| WO (1) | WO2019089845A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3747004A1 (en) * | 2018-02-01 | 2020-12-09 | Cirrus Logic International Semiconductor, Ltd. | Active noise cancellation (anc) system with selectable sample rates |
| 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 |
| US12395809B2 (en) | 2020-12-03 | 2025-08-19 | 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 |
| 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 |
Family Cites Families (16)
| 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 |
| JP5439707B2 (ja) * | 2007-03-02 | 2014-03-12 | ソニー株式会社 | 信号処理装置、信号処理方法 |
| GB0725111D0 (en) * | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Lower rate emulation |
| US8135140B2 (en) * | 2008-11-20 | 2012-03-13 | Harman International Industries, Incorporated | System for active noise control with audio signal compensation |
| 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 |
| US9318094B2 (en) * | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
| WO2013106370A1 (en) * | 2012-01-10 | 2013-07-18 | Actiwave Ab | Multi-rate filter system |
| EP3201911B1 (en) * | 2014-09-30 | 2024-06-05 | Avnera Corporation | Acoustic processor having low latency |
| US9609451B2 (en) * | 2015-02-12 | 2017-03-28 | Dts, Inc. | Multi-rate system for audio processing |
-
2018
- 2018-10-31 WO PCT/US2018/058574 patent/WO2019089845A1/en not_active Ceased
- 2018-10-31 JP JP2020522813A patent/JP7282761B2/ja active Active
- 2018-10-31 EP EP18873787.8A patent/EP3704796B1/en active Active
- 2018-10-31 US US16/177,308 patent/US10904661B2/en active Active
- 2018-10-31 CN CN201880084913.2A patent/CN111566934B/zh active Active
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