AU2003201640A1 - Digital loudspeaker system - Google Patents

Digital loudspeaker system

Info

Publication number: AU2003201640A1
Authority: AU; Australia
Prior art keywords: loudspeaker system; digital loudspeaker; digital; loudspeaker
Prior art date: 2002-01-08
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.): Abandoned

Application number

AU2003201640A

Other versions

AU2003201640A8 (en

Inventor

Irving Alexander Bienek

James Davies

Mark George Easton

Angus Gavin Goudie

Anthony Hooley

Damon Thomas Ryan

Paul Thomas Troughton

Paul Raymond Windle

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.)

1 Ltd

Original Assignee

1 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.)

2002-01-08

Filing date

2003-01-08

Publication date

2003-07-24

2003-01-08 Application filed by 1 Ltd filed Critical 1 Ltd

2003-07-24 Publication of AU2003201640A8 publication Critical patent/AU2003201640A8/en

2003-07-24 Publication of AU2003201640A1 publication Critical patent/AU2003201640A1/en

Status Abandoned legal-status Critical Current

Links

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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
- 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
- H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
- 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
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
- H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure

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)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

AU2003201640A 2002-01-08 2003-01-08 Digital loudspeaker system Abandoned AU2003201640A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0200291.3		2002-01-08
GB0200291A GB0200291D0 (en)	2002-01-08	2002-01-08	Digital loudspeaker system
PCT/GB2003/000040 WO2003059005A2 (en)	2002-01-08	2003-01-08	Digital loudspeaker system

Publications (2)

Publication Number	Publication Date
AU2003201640A8 AU2003201640A8 (en)	2003-07-24
AU2003201640A1 true AU2003201640A1 (en)	2003-07-24

Family

ID=9928726

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2003201640A Abandoned AU2003201640A1 (en)	2002-01-08	2003-01-08	Digital loudspeaker system

Country Status (3)

Country	Link
AU (1)	AU2003201640A1 (en)
GB (2)	GB0200291D0 (en)
WO (1)	WO2003059005A2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001023104A2 (en)	1999-09-29	2001-04-05	1...Limited	Method and apparatus to direct sound using an array of output transducers
WO2002078388A2 (en)	2001-03-27	2002-10-03	1... Limited	Method and apparatus to create a sound field
GB2393601B (en) *	2002-07-19	2005-09-21	1 Ltd	Digital loudspeaker system
JP4567049B2 (en) *	2004-03-11	2010-10-20	ピーエスエス・ベルギー・エヌブイ	Method for processing audio signal, delay management unit, system, unit, computer program, and memory medium
JP2006340057A (en) *	2005-06-02	2006-12-14	Yamaha Corp	Array speaker system
AU2007252847A1 (en)	2006-05-22	2007-11-29	Audio Pixels Ltd.	Direct digital speaker apparatus having a desired directivity pattern
US8457338B2 (en)	2006-05-22	2013-06-04	Audio Pixels Ltd.	Apparatus and methods for generating pressure waves
WO2007135679A2 (en)	2006-05-22	2007-11-29	Audio Pixels Ltd.	Volume and tone control in direct digital speakers
KR101411183B1 (en)	2007-05-21	2014-06-23	오디오 픽셀즈 리미티드	Direct digital speaker apparatus having a desired directivity pattern
JP5335807B2 (en)	2007-11-21	2013-11-06	オーディオピクセルズリミテッド	Improved speaker device and useful method linked therewith
WO2011111042A1 (en)	2010-03-11	2011-09-15	Audio Pixels Ltd.	Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
US9425708B2 (en)	2010-11-26	2016-08-23	Audio Pixels Ltd.	Apparatus and methods for individual addressing and noise reduction in actuator arrays
DK2856769T3 (en)	2012-05-25	2018-10-22	Audio Pixels Ltd	SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT TO CONTROL A GROUP OF ACTUATOR SYSTEMS FOR CREATING A PHYSICAL EFFECT
WO2013175477A1 (en)	2012-05-25	2013-11-28	Audio Pixels Ltd.	A system, a method and a computer program product for controlling a set of actuator elements
US10070211B2 (en)	2013-06-28	2018-09-04	Kopin Corporation	Digital voice processing method and system for headset computer
JP6760960B2 (en)	2015-04-15	2020-09-23	オーディオピクセルズエルティーディー．ＡｕｄｉｏＰｉｘｅｌｓＬｔｄ．	Methods and systems for at least detecting the position of an object in space
CN116320901B (en) *	2023-05-15	2023-08-29	之江实验室	Sound field regulating and controlling system and method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4769848A (en) *	1980-05-05	1988-09-06	Howard Krausse	Electroacoustic network
GB9506725D0 (en) *	1995-03-31	1995-05-24	Hooley Anthony	Improvements in or relating to loudspeakers
WO2001023104A2 (en) *	1999-09-29	2001-04-05	1...Limited	Method and apparatus to direct sound using an array of output transducers

2002
- 2002-01-08 GB GB0200291A patent/GB0200291D0/en not_active Ceased
2003
- 2003-01-08 GB GB0414900A patent/GB2398959A/en not_active Withdrawn
- 2003-01-08 WO PCT/GB2003/000040 patent/WO2003059005A2/en not_active Ceased
- 2003-01-08 AU AU2003201640A patent/AU2003201640A1/en not_active Abandoned

Also Published As

Publication number	Publication date
WO2003059005A3 (en)	2003-12-04
AU2003201640A8 (en)	2003-07-24
GB0200291D0 (en)	2002-02-20
GB0414900D0 (en)	2004-08-04
GB2398959A (en)	2004-09-01
WO2003059005A2 (en)	2003-07-17

Legal Events

Date	Code	Title	Description
2004-09-23	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase

Publication	Publication Date	Title
GB2393601B (en)	2005-09-21	Digital loudspeaker system
AU2002327021A1 (en)	2003-04-01	Digital audio system
AU2003290933A1 (en)	2004-06-15	Digital karyotyping
AU2003293248A1 (en)	2004-06-23	Distributed digital antenna system
AU2003270644A1 (en)	2004-04-08	Complex-if digital receiver
AU2003291235A1 (en)	2004-06-07	Mobile video system
AU2003226437A1 (en)	2003-07-30	Digital cockpit
AU2003270592A1 (en)	2004-04-23	Anti-entrapment system
AU2003262722A1 (en)	2004-03-03	Subwoofer
AU2003208218A1 (en)	2003-09-16	Digital microphone
AU2003289395A1 (en)	2004-07-09	Interface system
AU2003299588A1 (en)	2004-07-29	Pipe-inspection system
AU2002313267A1 (en)	2004-01-19	Loudspeaker edge
AU2003247836A1 (en)	2004-01-23	Digital project management system
AU2003201640A1 (en)	2003-07-24	Digital loudspeaker system
AU2003275368A1 (en)	2004-05-04	Prosthodontia system
AU2003210111A1 (en)	2003-07-24	Microphone support system
AU2003239113A1 (en)	2003-09-09	Digital network
AU2003200750A1 (en)	2003-09-18	Telephone System
AU2003272820A1 (en)	2004-05-04	Multispeaker sound imaging system
AU2003285696A1 (en)	2004-08-10	Loudspeaker
AU2003269151A1 (en)	2004-04-08	Loudspeaker
GB0219244D0 (en)	2002-09-25	Loudspeaker system
AU2003302346A1 (en)	2004-06-18	Call connection system
AU2003274338A1 (en)	2004-05-13	Polytunnel system