AU2003201640A8 - Digital loudspeaker system - Google Patents

Digital loudspeaker system

Info

Publication number: AU2003201640A8
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

AU2003201640A1 (en

Inventor

Damon Thomas Ryan

Mark George Easton

Anthony Hooley

Irving Alexander Bienek

James Davies

Paul Raymond Windle

Paul Thomas Troughton

Angus Gavin Goudie

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

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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
GB0200291A GB0200291D0 (en)	2002-01-08	2002-01-08	Digital loudspeaker system
GB0200291.3		2002-01-08
PCT/GB2003/000040 WO2003059005A2 (en)	2002-01-08	2003-01-08	Digital loudspeaker system

Publications (2)

Publication Number	Publication Date
AU2003201640A8 true AU2003201640A8 (en)	2003-07-24
AU2003201640A1 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
AU7538000A (en)	1999-09-29	2001-04-30	1... Limited	Method and apparatus to direct sound
CN100539737C (en)	2001-03-27	2009-09-09	1...有限公司	Method and apparatus for generating sound field
GB2393601B (en) *	2002-07-19	2005-09-21	1 Ltd	Digital loudspeaker system
US7688989B2 (en) *	2004-03-11	2010-03-30	Pss Belgium N.V.	Method and system for processing sound signals for a surround left channel and a surround right channel
JP2006340057A (en) *	2005-06-02	2006-12-14	Yamaha Corp	Array speaker system
MY151910A (en)	2006-05-22	2014-07-31	Audio Pixels Holdings Ltd	Volume and tone control in direct digital speakers
JP5335774B2 (en) *	2006-05-22	2013-11-06	オーディオピクセルズエルティーディー．	Direct digital speaker device having desired directional pattern
US8457338B2 (en)	2006-05-22	2013-06-04	Audio Pixels Ltd.	Apparatus and methods for generating pressure waves
KR101411183B1 (en)	2007-05-21	2014-06-23	오디오 픽셀즈 리미티드	Direct digital speaker apparatus having a desired directivity pattern
US8780673B2 (en)	2007-11-21	2014-07-15	Audio Pixels Ltd.	Digital speaker apparatus
US9391541B2 (en)	2010-03-11	2016-07-12	Audio Pixels Ltd.	Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
KR101831013B1 (en)	2010-11-26	2018-02-21	오디오 픽셀즈 리미티드	Apparatus and methods for individual addressing and noise reduction in actuator arrays
WO2013175476A1 (en)	2012-05-25	2013-11-28	Audio Pixels Ltd.	A system, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
DK2856770T3 (en)	2012-05-25	2018-10-22	Audio Pixels Ltd	SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT TO CONTROL A SET OF ACTUATOR ELEMENTS
WO2014210530A1 (en) *	2013-06-28	2014-12-31	Kopin Corporation	Digital voice processing method and system for headset computer
US10520601B2 (en)	2015-04-15	2019-12-31	Audio Pixels Ltd.	Methods and systems for detecting at least 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
AU7538000A (en) *	1999-09-29	2001-04-30	1... Limited	Method and apparatus to direct sound

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

Also Published As

Publication number	Publication date
AU2003201640A1 (en)	2003-07-24
WO2003059005A3 (en)	2003-12-04
GB0414900D0 (en)	2004-08-04
GB2398959A (en)	2004-09-01
WO2003059005A2 (en)	2003-07-17
GB0200291D0 (en)	2002-02-20

Publication	Publication Date	Title
GB2393601B (en)	2005-09-21	Digital loudspeaker system
AU2003290933A8 (en)	2004-06-15	Digital karyotyping
AU2003293248A8 (en)	2004-06-23	Distributed digital antenna system
GB2386280B (en)	2005-09-14	Digital microphone
AU2003270644A8 (en)	2004-04-08	Complex-if digital receiver
GB2386526B (en)	2004-02-25	Digital watermark system
GB2380091B (en)	2005-03-30	Loudspeaker system
AU2003201640A8 (en)	2003-07-24	Digital loudspeaker system
GB0321676D0 (en)	2003-10-15	Digital loudspeaker
GB0312567D0 (en)	2003-07-09	Audio system
AU2003239113A8 (en)	2003-09-09	Digital network
AU2003200750A1 (en)	2003-09-18	Telephone System
SG111094A1 (en)	2005-05-30	Digital receiver
GB0219244D0 (en)	2002-09-25	Loudspeaker system
GB2409125B (en)	2005-11-09	Loudspeaker
GB2394847B (en)	2005-09-07	Digital receiver
GB2386026B (en)	2005-06-08	Loudspeaker
AU2003220826A1 (en)	2003-10-20	Digital broadcast system
GB0202118D0 (en)	2002-03-20	Electrodynamical loudspeaker
PL362733A1 (en)	2005-04-18	Digital system
GB0117662D0 (en)	2001-09-12	Loudspeaker system
GB0200628D0 (en)	2002-02-27	Loudspeakers
GB0205246D0 (en)	2002-04-17	Loudspeakers
GB0205750D0 (en)	2002-04-24	Loudspeaker
GB0217360D0 (en)	2002-09-04	Loudspeaker

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