CN1972525B - 超定向扬声器系统及其信号处理方法 - Google Patents

超定向扬声器系统及其信号处理方法 Download PDF

Info

Publication number
CN1972525B
CN1972525B CN2006101494818A CN200610149481A CN1972525B CN 1972525 B CN1972525 B CN 1972525B CN 2006101494818 A CN2006101494818 A CN 2006101494818A CN 200610149481 A CN200610149481 A CN 200610149481A CN 1972525 B CN1972525 B CN 1972525B
Authority
CN
China
Prior art keywords
signal
envelope
filter coefficient
produce
adaptive 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.)
Expired - Fee Related
Application number
CN2006101494818A
Other languages
English (en)
Chinese (zh)
Other versions
CN1972525A (zh
Inventor
罗景民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shijiazhuang Seoul voiceprint Technology Co. Ltd.
Original Assignee
Solitonix Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Solitonix Co Ltd filed Critical Solitonix Co Ltd
Publication of CN1972525A publication Critical patent/CN1972525A/zh
Application granted granted Critical
Publication of CN1972525B publication Critical patent/CN1972525B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN2006101494818A 2005-11-21 2006-11-21 超定向扬声器系统及其信号处理方法 Expired - Fee Related CN1972525B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2005-0111146 2005-11-21
KR1020050111146 2005-11-21
KR1020050111146A KR100622078B1 (ko) 2005-11-21 2005-11-21 초지향성 스피커 시스템 및 신호처리 방법

Publications (2)

Publication Number Publication Date
CN1972525A CN1972525A (zh) 2007-05-30
CN1972525B true CN1972525B (zh) 2011-12-07

Family

ID=37624591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006101494818A Expired - Fee Related CN1972525B (zh) 2005-11-21 2006-11-21 超定向扬声器系统及其信号处理方法

Country Status (6)

Country Link
US (1) US7929715B2 (enExample)
EP (1) EP1791390B1 (enExample)
JP (1) JP2007143157A (enExample)
KR (1) KR100622078B1 (enExample)
CN (1) CN1972525B (enExample)
AT (1) ATE544301T1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9219960B2 (en) 2009-12-16 2015-12-22 Trigence Semiconductor Inc. Acoustic playback system
US9226053B2 (en) 2008-06-16 2015-12-29 Trigence Semiconductor, Inc. Digital speaker driving apparatus
US9276540B2 (en) 2006-05-21 2016-03-01 Trigence Semiconductors, Inc. Digital/analogue conversion apparatus
US9300310B2 (en) 2009-12-09 2016-03-29 Trigence Semiconductor, Inc. Selection device

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054930A1 (en) * 2007-10-22 2009-04-30 Wms Gaming Inc. Wagering game table audio system
JP4506873B2 (ja) * 2008-05-08 2010-07-21 ソニー株式会社 信号処理装置、信号処理方法
KR101128353B1 (ko) 2009-05-11 2012-03-27 제주대학교 산학협력단 블록단위 신호검출에 기반의 고효율 고지향성 스피커 시스템 및 신호처리 방법
KR101127035B1 (ko) * 2009-07-15 2012-03-26 국방과학연구소 자동 고지향 음향 시스템의 신호처리장치 및 신호처리방법
US8891783B2 (en) 2009-08-25 2014-11-18 Nanyang Technological University Directional sound system
SG181675A1 (en) * 2010-01-19 2012-07-30 Univ Nanyang Tech A system and method for processing an input signal to produce 3d audio effects
CN102185636A (zh) * 2011-03-16 2011-09-14 杭州华韵天略电子科技有限公司 利用线性调频信号调制解调声波的方法及系统
KR101947066B1 (ko) * 2011-09-15 2019-02-12 인텔 코포레이션 전치 왜곡 선형화 통신 시스템 및 송신기의 전치 왜곡 선형화 방법
EP2814026A4 (en) * 2012-02-08 2016-03-02 Kyushu Inst Technology MUTE DEVICE
JP6213916B2 (ja) * 2013-09-27 2017-10-18 国立大学法人九州工業大学 指向性音響システム
US9432785B2 (en) * 2014-12-10 2016-08-30 Turtle Beach Corporation Error correction for ultrasonic audio systems
KR101691078B1 (ko) 2015-12-24 2016-12-29 포항공과대학교 산학협력단 초음파를 이용한 특정 가청구역 마이크로폰
CN105979437A (zh) * 2016-07-13 2016-09-28 微鲸科技有限公司 音频播放装置以及音频系统
WO2018199347A1 (ko) * 2017-04-25 2018-11-01 주식회사 제이디솔루션 초지향성 및 무지향성 동시 신호출력이 가능한 복합스피커시스템
KR101882140B1 (ko) * 2017-04-25 2018-07-26 주식회사 제이디솔루션 초지향성 및 무지향성 동시 신호출력이 가능한 복합스피커시스템
KR101857390B1 (ko) * 2017-06-26 2018-05-11 김옥경 컬럼 스피커의 지향성패턴 조절장치
KR101859951B1 (ko) * 2017-07-03 2018-05-21 김옥경 스피커의 수직지향성 조절장치
US10672416B2 (en) * 2017-10-20 2020-06-02 Board Of Trustees Of The University Of Illinois Causing microphones to detect inaudible sounds and defense against inaudible attacks
KR102013068B1 (ko) 2018-05-04 2019-08-21 주식회사 제이디솔루션 안정성이 증가된 초지향성 스피커 회로
KR102001778B1 (ko) 2018-05-23 2019-07-18 주식회사 제이디솔루션 개선된 초음파 초지향성 스피커 시스템 및 이를 위한 주파수 변조 처리 방법
KR101981575B1 (ko) * 2018-10-29 2019-05-23 캐치플로우(주) 초지향성 초음파 스피커 장치의 음질개선 방법 및 이를 구비한 초음파 스피커 장치
KR101981576B1 (ko) 2018-10-29 2019-05-23 캐치플로우(주) 초지향성 초음파 스피커 장치의 다이나믹레인지 제어 방법 및 이를 구비한 초지향성 초음파 스피커 장치
KR102077472B1 (ko) 2018-12-28 2020-02-14 캐치플로우(주) 초지향성 초음파 스피커의 개선된 오디오 신호처리 방법 및 이를 구비한 초음파 스피커 장치
KR102022962B1 (ko) 2019-05-08 2019-09-19 캐치플로우(주) 하이브리드 초지향성 스피커
CN110267161A (zh) * 2019-06-17 2019-09-20 重庆清文科技有限公司 一种定向声音失真矫正方法和装置
CN110784799B (zh) * 2019-10-29 2021-01-22 中国电子科技集团公司第四十一研究所 一种声音定向传输方法及系统
KR102235797B1 (ko) 2019-12-04 2021-04-02 주식회사 제이디솔루션 초지향성 스피커를 이용한 사운드 태그 시스템
KR102236404B1 (ko) 2019-12-31 2021-04-05 주식회사 제이디솔루션 초지향성 스피커를 이용한 대중교통수단 운임결제용 사운드 태그 시스템
KR102402706B1 (ko) 2020-07-10 2022-05-26 (주)쏘티 초지향성 스피커를 이용한 사운드 태그 시스템 및 이에 사용되는 스피커
CN113395637B (zh) * 2021-06-10 2022-09-09 上海傅硅电子科技有限公司 一种音频功放芯片输出电压的控制方法
KR102921559B1 (ko) * 2024-10-28 2026-02-03 주식회사 제이디솔루션 초지향성 스피커 시스템 및 신호처리 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061770A2 (en) * 1999-06-14 2000-12-20 Nokia Mobile Phones Ltd. Audio apparatus
CN1378764A (zh) * 1999-08-26 2002-11-06 美国技术公司 用于参数扬声器系统的调制器处理

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093602A (enExample) * 1973-12-20 1975-07-25
US6573948B1 (en) * 1999-06-25 2003-06-03 Samsung Electronics Co., Ltd. Equalizing intermediate-frequency signals before demodulating them in a digital television receiver
US7343017B2 (en) * 1999-08-26 2008-03-11 American Technology Corporation System for playback of pre-encoded signals through a parametric loudspeaker system
US6631197B1 (en) 2000-07-24 2003-10-07 Gn Resound North America Corporation Wide audio bandwidth transduction method and device
US7054359B2 (en) * 2001-06-05 2006-05-30 Koninklijke Philips Electronics N.V. VSV-MOE pre-equalizer for 8-VSB DTV
SG98479A1 (en) 2002-03-18 2003-09-19 Sony Electronics Singapore Pte Methods and devices for preprocessing signals for a loudspeaker
KR200355341Y1 (ko) 2004-04-02 2004-07-06 주식회사 솔리토닉스 초음파 스피커 시스템을 구비하는 이동통신 단말기용 보드

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061770A2 (en) * 1999-06-14 2000-12-20 Nokia Mobile Phones Ltd. Audio apparatus
CN1378764A (zh) * 1999-08-26 2002-11-06 美国技术公司 用于参数扬声器系统的调制器处理

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9276540B2 (en) 2006-05-21 2016-03-01 Trigence Semiconductors, Inc. Digital/analogue conversion apparatus
US9681231B2 (en) 2006-05-21 2017-06-13 Trigence Semiconductor, Inc. Digital/analog conversion apparatus
US9226053B2 (en) 2008-06-16 2015-12-29 Trigence Semiconductor, Inc. Digital speaker driving apparatus
US9693136B2 (en) 2008-06-16 2017-06-27 Trigence Semiconductor Inc. Digital speaker driving apparatus
US9300310B2 (en) 2009-12-09 2016-03-29 Trigence Semiconductor, Inc. Selection device
US9735796B2 (en) 2009-12-09 2017-08-15 Trigence Semiconductor, Inc. Selection device
US9219960B2 (en) 2009-12-16 2015-12-22 Trigence Semiconductor Inc. Acoustic playback system
US9544691B2 (en) 2009-12-16 2017-01-10 Trigence Semiconductor, Inc. Acoustic playback system

Also Published As

Publication number Publication date
US20070121968A1 (en) 2007-05-31
EP1791390A2 (en) 2007-05-30
EP1791390A3 (en) 2009-09-23
KR100622078B1 (ko) 2006-09-13
US7929715B2 (en) 2011-04-19
EP1791390B1 (en) 2012-02-01
JP2007143157A (ja) 2007-06-07
ATE544301T1 (de) 2012-02-15
CN1972525A (zh) 2007-05-30

Similar Documents

Publication Publication Date Title
CN1972525B (zh) 超定向扬声器系统及其信号处理方法
US8891783B2 (en) Directional sound system
US10015593B2 (en) Digital signal processor for audio extensions and correction of nonlinear distortions in loudspeakers
CN102714486B (zh) 放大设备和信号处理设备
US9078062B2 (en) Driving of parametric loudspeakers
EP1681901A1 (en) Method and apparatus for audio bass enhancement
JP6559237B2 (ja) 超音波によるオーディオシステムのエラー訂正
JP2007143157A5 (enExample)
CN103167376B (zh) 一种定向扬声器及其信号处理方法
KR101981575B1 (ko) 초지향성 초음파 스피커 장치의 음질개선 방법 및 이를 구비한 초음파 스피커 장치
CN112584276B (zh) 参量阵扬声器声失真频域矫正方法及系统
CN111741409A (zh) 扬声器的非线性补偿方法、扬声器设备、装置和存储介质
KR102921559B1 (ko) 초지향성 스피커 시스템 및 신호처리 방법
KR101882140B1 (ko) 초지향성 및 무지향성 동시 신호출력이 가능한 복합스피커시스템
KR20260062901A (ko) 초지향성 스피커 시스템 및 신호처리 방법
KR101128353B1 (ko) 블록단위 신호검출에 기반의 고효율 고지향성 스피커 시스템 및 신호처리 방법
RU2778274C1 (ru) Способ обработки аудиосигнала
Ji et al. Inverse system design based on the Volterra modeling of a parametric loudspeaker system
WO2026095257A1 (ko) 초지향성 스피커 시스템 및 신호처리 방법
CN115842982A (zh) 一种片上扬声器阻抗曲线补偿方法
CN119781327A (zh) 信号处理方法、装置、设备、系统、存储介质和程序产品
CN1082237A (zh) 录音信号保真慢放技术

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20090116

Address after: Gyeongnam, South Korea

Applicant after: Solitonix Co., Ltd.

Address before: Seoul, South Kerean

Applicant before: Solitonix Co., Ltd.

ASS Succession or assignment of patent right

Owner name: SONIKASITE CO., LTD.

Free format text: FORMER OWNER: SORITONIX CO., LTD.

Effective date: 20090116

C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JD SOLUTION INC.

Free format text: FORMER OWNER: SONICAST INC.

Effective date: 20130321

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130321

Address after: Seoul, South Kerean

Patentee after: JD Solutions Ltd

Address before: Gyeongnam, South Korea

Patentee before: Solitonix Co., Ltd.

ASS Succession or assignment of patent right

Owner name: BEIJING TIANYU HUAXING AVIATION TECHNOLOGY CO., LT

Free format text: FORMER OWNER: JD SOLUTION INC.

Effective date: 20140312

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; TO: 100015 CHAOYANG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20140312

Address after: 100015, Beijing, Jiuxianqiao, Chaoyang District East Road, No. 1, M6 building, West three

Patentee after: Beijing Tianyu Huaxing Aviation Technology Co., Ltd.

Address before: Seoul, South Kerean

Patentee before: JD Solutions Ltd

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Ultra directional speaker system and signal processing method thereof

Effective date of registration: 20150421

Granted publication date: 20111207

Pledgee: Qiaoxi District brocade electronic products distributors

Pledgor: Beijing Tianyu Huaxing Aviation Technology Co., Ltd.

Registration number: 2015990000304

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20150706

Granted publication date: 20111207

Pledgee: Qiaoxi District brocade electronic products distributors

Pledgor: Beijing Tianyu Huaxing Aviation Technology Co., Ltd.

Registration number: 2015990000304

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151015

Address after: 050000 room A2020, No. 176, South China Street, Qiaoxi District, Hebei, China

Patentee after: Qiaoxi District brocade electronic products distributors

Address before: 100015, Beijing, Jiuxianqiao, Chaoyang District East Road, No. 1, M6 building, West three

Patentee before: Beijing Tianyu Huaxing Aviation Technology Co., Ltd.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20161213

Address after: 050000 Shijiazhuang province high tech Zone, Yangtze River Road, No., run the headquarters of the international building, room 5, No. 201, room 319

Patentee after: Shijiazhuang Seoul voiceprint Technology Co. Ltd.

Address before: 050000 room A2020, No. 176, South China Street, Qiaoxi District, Hebei, China

Patentee before: Qiaoxi District brocade electronic products distributors

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111207

Termination date: 20181121

CF01 Termination of patent right due to non-payment of annual fee