GB201111164D0 - Low frequency acoustic source - Google Patents

Low frequency acoustic source

Info

Publication number
GB201111164D0
GB201111164D0 GB201111164A GB201111164A GB201111164D0 GB 201111164 D0 GB201111164 D0 GB 201111164D0 GB 201111164 A GB201111164 A GB 201111164A GB 201111164 A GB201111164 A GB 201111164A GB 201111164 D0 GB201111164 D0 GB 201111164D0
Authority
GB
United Kingdom
Prior art keywords
low frequency
acoustic source
frequency acoustic
source
low
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.)
Withdrawn
Application number
GB201111164A
Other versions
GB2492388A (en
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.)
Cirrus Logic International UK Ltd
Original Assignee
Wolfson Microelectronics PLC
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 Wolfson Microelectronics PLC filed Critical Wolfson Microelectronics PLC
Priority to GB201111164A priority Critical patent/GB2492388A/en
Publication of GB201111164D0 publication Critical patent/GB201111164D0/en
Priority to PCT/GB2012/051536 priority patent/WO2013001316A1/en
Publication of GB2492388A publication Critical patent/GB2492388A/en
Withdrawn legal-status Critical Current

Links

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
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB201111164A 2011-06-30 2011-06-30 Low frequency acoustic test source Withdrawn GB2492388A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201111164A GB2492388A (en) 2011-06-30 2011-06-30 Low frequency acoustic test source
PCT/GB2012/051536 WO2013001316A1 (en) 2011-06-30 2012-06-29 Test arrangement for microphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201111164A GB2492388A (en) 2011-06-30 2011-06-30 Low frequency acoustic test source

Publications (2)

Publication Number Publication Date
GB201111164D0 true GB201111164D0 (en) 2011-08-17
GB2492388A GB2492388A (en) 2013-01-02

Family

ID=44511878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201111164A Withdrawn GB2492388A (en) 2011-06-30 2011-06-30 Low frequency acoustic test source

Country Status (1)

Country Link
GB (1) GB2492388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112468950A (en) * 2020-12-21 2021-03-09 世邦通信股份有限公司 Device and method for testing volume of sound cavity of loudspeaker

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102769816B (en) * 2012-07-18 2015-05-13 歌尔声学股份有限公司 Device and method for testing noise-reduction earphone
CN104581603A (en) * 2013-10-09 2015-04-29 纬创资通股份有限公司 Automatic test system and auxiliary test apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876035A (en) * 1974-05-13 1975-04-08 Eckel Ind Inc Acoustical testing apparatus
US4205394A (en) * 1978-11-03 1980-05-27 The United States Of America As Represented By The Secretary Of The Navy Sealed cavity hydrophone array calibration
DE3636720A1 (en) * 1986-10-29 1988-05-05 Krupp Gmbh METHOD FOR FUNCTIONAL TESTING A MICROPHONE AND MICROPHONE TESTING DEVICE
DE102004046200A1 (en) * 2004-09-22 2006-04-06 Carcoustics Tech Center Gmbh Mobile test bench to determine the sound insulation or insertion loss of a test object

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112468950A (en) * 2020-12-21 2021-03-09 世邦通信股份有限公司 Device and method for testing volume of sound cavity of loudspeaker

Also Published As

Publication number Publication date
GB2492388A (en) 2013-01-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)