ES2690749T3 - Corrección de errores para sistemas de audio ultrasónicos - Google Patents
Corrección de errores para sistemas de audio ultrasónicos Download PDFInfo
- Publication number
- ES2690749T3 ES2690749T3 ES15805371.0T ES15805371T ES2690749T3 ES 2690749 T3 ES2690749 T3 ES 2690749T3 ES 15805371 T ES15805371 T ES 15805371T ES 2690749 T3 ES2690749 T3 ES 2690749T3
- Authority
- ES
- Spain
- Prior art keywords
- audio signal
- error function
- preconditioned
- error
- audio
- 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.)
- Active
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
-
- 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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
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)
- Circuit For Audible Band Transducer (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201414566592 | 2014-12-10 | ||
| US14/566,592 US9432785B2 (en) | 2014-12-10 | 2014-12-10 | Error correction for ultrasonic audio systems |
| PCT/US2015/062207 WO2016094075A1 (en) | 2014-12-10 | 2015-11-23 | Error correction for ultrasonic audio systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2690749T3 true ES2690749T3 (es) | 2018-11-22 |
Family
ID=54784035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES15805371.0T Active ES2690749T3 (es) | 2014-12-10 | 2015-11-23 | Corrección de errores para sistemas de audio ultrasónicos |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9432785B2 (enExample) |
| EP (1) | EP3231192B1 (enExample) |
| JP (1) | JP6559237B2 (enExample) |
| CN (1) | CN107211209B (enExample) |
| ES (1) | ES2690749T3 (enExample) |
| WO (1) | WO2016094075A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10181314B2 (en) | 2013-03-15 | 2019-01-15 | Elwha Llc | Portable electronic device directed audio targeted multiple user system and method |
| US10291983B2 (en) | 2013-03-15 | 2019-05-14 | Elwha Llc | Portable electronic device directed audio system and method |
| US10575093B2 (en) | 2013-03-15 | 2020-02-25 | Elwha Llc | Portable electronic device directed audio emitter arrangement system and method |
| US20140269196A1 (en) * | 2013-03-15 | 2014-09-18 | Elwha Llc | Portable Electronic Device Directed Audio Emitter Arrangement System and Method |
| US20140269214A1 (en) | 2013-03-15 | 2014-09-18 | Elwha LLC, a limited liability company of the State of Delaware | Portable electronic device directed audio targeted multi-user system and method |
| US20140269207A1 (en) * | 2013-03-15 | 2014-09-18 | Elwha Llc | Portable Electronic Device Directed Audio Targeted User System and Method |
| WO2018227059A1 (en) | 2017-06-09 | 2018-12-13 | Revolution Display, Llc | Visual-display structure having a metal contrast enhancer, and visual displays made therewith |
| US10154149B1 (en) * | 2018-03-15 | 2018-12-11 | Motorola Solutions, Inc. | Audio framework extension for acoustic feedback suppression |
| KR101981575B1 (ko) * | 2018-10-29 | 2019-05-23 | 캐치플로우(주) | 초지향성 초음파 스피커 장치의 음질개선 방법 및 이를 구비한 초음파 스피커 장치 |
| CN113300783A (zh) * | 2021-04-27 | 2021-08-24 | 厦门亿联网络技术股份有限公司 | 超声波传递数据方法、装置及存储介质 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7391872B2 (en) | 1999-04-27 | 2008-06-24 | Frank Joseph Pompei | Parametric audio system |
| US6584205B1 (en) * | 1999-08-26 | 2003-06-24 | American Technology Corporation | Modulator processing for a parametric speaker system |
| WO2005043771A1 (en) * | 2003-10-23 | 2005-05-12 | American Technology Corporation | Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
| SG115665A1 (en) | 2004-04-06 | 2005-10-28 | Sony Corp | Method and apparatus to generate an audio beam with high quality |
| KR100622078B1 (ko) * | 2005-11-21 | 2006-09-13 | 주식회사 솔리토닉스 | 초지향성 스피커 시스템 및 신호처리 방법 |
| US8866559B2 (en) * | 2010-03-17 | 2014-10-21 | Frank Joseph Pompei | Hybrid modulation method for parametric audio system |
| RU2569914C2 (ru) * | 2010-07-22 | 2015-12-10 | Конинклейке Филипс Электроникс Н.В. | Возбуждение параметрических громкоговорителей |
| GB2491130B (en) * | 2011-05-23 | 2013-07-10 | Sontia Logic Ltd | Reducing distortion |
-
2014
- 2014-12-10 US US14/566,592 patent/US9432785B2/en active Active
-
2015
- 2015-11-23 EP EP15805371.0A patent/EP3231192B1/en active Active
- 2015-11-23 ES ES15805371.0T patent/ES2690749T3/es active Active
- 2015-11-23 WO PCT/US2015/062207 patent/WO2016094075A1/en not_active Ceased
- 2015-11-23 CN CN201580075695.2A patent/CN107211209B/zh active Active
- 2015-11-23 JP JP2017531308A patent/JP6559237B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017537564A (ja) | 2017-12-14 |
| JP6559237B2 (ja) | 2019-08-14 |
| EP3231192B1 (en) | 2018-09-12 |
| CN107211209A (zh) | 2017-09-26 |
| CN107211209B (zh) | 2019-06-28 |
| WO2016094075A1 (en) | 2016-06-16 |
| US20160174003A1 (en) | 2016-06-16 |
| EP3231192A1 (en) | 2017-10-18 |
| US9432785B2 (en) | 2016-08-30 |
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