MX367429B - Un aparato de procesamiento de señal de audio y metodo para filtrar una señal de audio. - Google Patents
Un aparato de procesamiento de señal de audio y metodo para filtrar una señal de audio.Info
- Publication number
- MX367429B MX367429B MX2017010463A MX2017010463A MX367429B MX 367429 B MX367429 B MX 367429B MX 2017010463 A MX2017010463 A MX 2017010463A MX 2017010463 A MX2017010463 A MX 2017010463A MX 367429 B MX367429 B MX 367429B
- Authority
- MX
- Mexico
- Prior art keywords
- audio signal
- target
- filter
- transfer function
- acoustic
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 7
- 238000001914 filtration Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011159 matrix material Substances 0.000 abstract 6
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- 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
-
- 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
- H04R3/14—Cross-over networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
La invención se refiere a un aparato de procesamiento de señal de audio (100) que comprende un determinador (101) que está configurado para determinar una matriz de filtro C sobre la base de una matriz de función de transferencia acústica H y una matriz de función de transferencia acústica objetivo VH, en donde la matriz de función de transferencia acústica H comprende funciones de transferencia de rutas de propagación acústica entre altavoces y un oyente y la matriz de función de transferencia acústica objetivo VH comprende funciones de transferencia objetivo de rutas de propagación acústica objetivo, en donde las rutas de propagación acústica objetivo son definidas por un arreglo objetivo de posiciones de altavoz virtual con relación al oyente, un filtro (103) está configurado para filtrar la señal de audio de entrada sobre la base de la matriz de filtro C para obtener señales de audio de entrada filtradas, y un combinador (105) que está configurado para combinar las señales de audio de entrada filtradas para obtener la señales de audio de salida.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/053351 WO2016131479A1 (en) | 2015-02-18 | 2015-02-18 | An audio signal processing apparatus and method for filtering an audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2017010463A MX2017010463A (es) | 2017-11-28 |
| MX367429B true MX367429B (es) | 2019-08-21 |
Family
ID=52589354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2017010463A MX367429B (es) | 2015-02-18 | 2015-02-18 | Un aparato de procesamiento de señal de audio y metodo para filtrar una señal de audio. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US10123144B2 (es) |
| EP (1) | EP3222059B1 (es) |
| JP (1) | JP6539742B2 (es) |
| KR (1) | KR101964107B1 (es) |
| CN (1) | CN107258090B (es) |
| AU (1) | AU2015383608B2 (es) |
| BR (1) | BR112017017332B1 (es) |
| CA (1) | CA2972300C (es) |
| MX (1) | MX367429B (es) |
| MY (1) | MY193418A (es) |
| RU (1) | RU2685041C2 (es) |
| WO (1) | WO2016131479A1 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6818591B2 (ja) * | 2017-02-27 | 2021-01-20 | 日本放送協会 | 制御器設計装置、制御器及びプログラム |
| US11172318B2 (en) | 2017-10-30 | 2021-11-09 | Dolby Laboratories Licensing Corporation | Virtual rendering of object based audio over an arbitrary set of loudspeakers |
| US10764704B2 (en) * | 2018-03-22 | 2020-09-01 | Boomcloud 360, Inc. | Multi-channel subband spatial processing for loudspeakers |
| CN110856095B (zh) | 2018-08-20 | 2021-11-19 | 华为技术有限公司 | 音频处理方法和装置 |
| US10841728B1 (en) | 2019-10-10 | 2020-11-17 | Boomcloud 360, Inc. | Multi-channel crosstalk processing |
| CN112788350B (zh) * | 2019-11-01 | 2023-01-20 | 上海哔哩哔哩科技有限公司 | 直播控制方法、装置及*** |
| GB202008547D0 (en) * | 2020-06-05 | 2020-07-22 | Audioscenic Ltd | Loudspeaker control |
| CN111641899B (zh) * | 2020-06-09 | 2022-11-04 | 京东方科技集团股份有限公司 | 虚拟环绕声发声电路、平面音源装置及平面显示设备 |
| CN112019994B (zh) * | 2020-08-12 | 2022-02-08 | 武汉理工大学 | 一种基于虚拟扬声器构建车内扩散声场环境的方法及装置 |
| CN114339582B (zh) * | 2021-11-30 | 2024-02-06 | 北京小米移动软件有限公司 | 双通道音频处理、方向感滤波器生成方法、装置以及介质 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06291741A (ja) * | 1993-04-01 | 1994-10-18 | Fujitsu Ten Ltd | ステレオ放送の送信装置 |
| GB9417185D0 (en) * | 1994-08-25 | 1994-10-12 | Adaptive Audio Ltd | Sounds recording and reproduction systems |
| US6449368B1 (en) * | 1997-03-14 | 2002-09-10 | Dolby Laboratories Licensing Corporation | Multidirectional audio decoding |
| US6011851A (en) * | 1997-06-23 | 2000-01-04 | Cisco Technology, Inc. | Spatial audio processing method and apparatus for context switching between telephony applications |
| GB0015419D0 (en) * | 2000-06-24 | 2000-08-16 | Adaptive Audio Ltd | Sound reproduction systems |
| TWI230024B (en) | 2001-12-18 | 2005-03-21 | Dolby Lab Licensing Corp | Method and audio apparatus for improving spatial perception of multiple sound channels when reproduced by two loudspeakers |
| KR20050060789A (ko) * | 2003-12-17 | 2005-06-22 | 삼성전자주식회사 | 가상 음향 재생 방법 및 그 장치 |
| NL1032538C2 (nl) * | 2005-09-22 | 2008-10-02 | Samsung Electronics Co Ltd | Apparaat en werkwijze voor het reproduceren van virtueel geluid van twee kanalen. |
| KR100739776B1 (ko) * | 2005-09-22 | 2007-07-13 | 삼성전자주식회사 | 입체 음향 생성 방법 및 장치 |
| MX2010003807A (es) * | 2007-10-09 | 2010-07-28 | Koninkl Philips Electronics Nv | Metodo y aparato para generar una señal de audio binaural. |
| US9107021B2 (en) * | 2010-04-30 | 2015-08-11 | Microsoft Technology Licensing, Llc | Audio spatialization using reflective room model |
| JP5993373B2 (ja) | 2010-09-03 | 2016-09-14 | ザ トラスティーズ オヴ プリンストン ユニヴァーシティー | ラウドスピーカを通した音声のスペクトル的色付けのない最適なクロストーク除去 |
| WO2013124446A1 (en) | 2012-02-24 | 2013-08-29 | Dolby International Ab | Audio processing |
| EP3081013A1 (en) | 2013-12-09 | 2016-10-19 | Huawei Technologies Co., Ltd. | Apparatus and method for enhancing a spatial perception of an audio signal |
-
2015
- 2015-02-18 KR KR1020177019508A patent/KR101964107B1/ko active IP Right Grant
- 2015-02-18 MX MX2017010463A patent/MX367429B/es active IP Right Grant
- 2015-02-18 MY MYPI2017702968A patent/MY193418A/en unknown
- 2015-02-18 WO PCT/EP2015/053351 patent/WO2016131479A1/en active Application Filing
- 2015-02-18 CA CA2972300A patent/CA2972300C/en active Active
- 2015-02-18 AU AU2015383608A patent/AU2015383608B2/en active Active
- 2015-02-18 RU RU2017131853A patent/RU2685041C2/ru active
- 2015-02-18 EP EP15706412.2A patent/EP3222059B1/en active Active
- 2015-02-18 JP JP2017538729A patent/JP6539742B2/ja active Active
- 2015-02-18 BR BR112017017332-8A patent/BR112017017332B1/pt active IP Right Grant
- 2015-02-18 CN CN201580076232.8A patent/CN107258090B/zh active Active
-
2017
- 2017-08-01 US US15/666,237 patent/US10123144B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BR112017017332B1 (pt) | 2022-11-16 |
| CN107258090A (zh) | 2017-10-17 |
| US20170332184A1 (en) | 2017-11-16 |
| CA2972300C (en) | 2019-12-31 |
| JP2018508138A (ja) | 2018-03-22 |
| MY193418A (en) | 2022-10-12 |
| CN107258090B (zh) | 2019-07-19 |
| BR112017017332A2 (pt) | 2018-04-03 |
| KR20170094436A (ko) | 2017-08-17 |
| CA2972300A1 (en) | 2016-08-25 |
| RU2017131853A3 (es) | 2019-03-18 |
| AU2015383608B2 (en) | 2018-09-13 |
| MX2017010463A (es) | 2017-11-28 |
| EP3222059B1 (en) | 2020-04-08 |
| RU2685041C2 (ru) | 2019-04-16 |
| JP6539742B2 (ja) | 2019-07-03 |
| WO2016131479A1 (en) | 2016-08-25 |
| US10123144B2 (en) | 2018-11-06 |
| EP3222059A1 (en) | 2017-09-27 |
| AU2015383608A1 (en) | 2017-08-24 |
| RU2017131853A (ru) | 2019-03-18 |
| KR101964107B1 (ko) | 2019-04-01 |
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| FG | Grant or registration |