GB2218300B - Artificial ear - Google Patents

Artificial ear

Info

Publication number
GB2218300B
GB2218300B GB8730347A GB8730347A GB2218300B GB 2218300 B GB2218300 B GB 2218300B GB 8730347 A GB8730347 A GB 8730347A GB 8730347 A GB8730347 A GB 8730347A GB 2218300 B GB2218300 B GB 2218300B
Authority
GB
United Kingdom
Prior art keywords
artificial ear
ear
artificial
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
GB8730347A
Other versions
GB2218300A (en
GB8730347D0 (en
Inventor
Robin Christopher Cross
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications 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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB8730347A priority Critical patent/GB2218300B/en
Publication of GB8730347D0 publication Critical patent/GB8730347D0/en
Publication of GB2218300A publication Critical patent/GB2218300A/en
Application granted granted Critical
Publication of GB2218300B publication Critical patent/GB2218300B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
GB8730347A 1987-12-31 1987-12-31 Artificial ear Expired - Fee Related GB2218300B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8730347A GB2218300B (en) 1987-12-31 1987-12-31 Artificial ear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8730347A GB2218300B (en) 1987-12-31 1987-12-31 Artificial ear

Publications (3)

Publication Number Publication Date
GB8730347D0 GB8730347D0 (en) 1988-02-03
GB2218300A GB2218300A (en) 1989-11-08
GB2218300B true GB2218300B (en) 1991-06-19

Family

ID=10629189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8730347A Expired - Fee Related GB2218300B (en) 1987-12-31 1987-12-31 Artificial ear

Country Status (1)

Country Link
GB (1) GB2218300B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890104A (en) * 1992-06-24 1999-03-30 British Telecommunications Public Limited Company Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
GB9213459D0 (en) * 1992-06-24 1992-08-05 British Telecomm Characterisation of communications systems using a speech-like test stimulus
AU677401B2 (en) * 1993-06-21 1997-04-24 British Telecommunications Public Limited Company Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
CA2171864A1 (en) * 1993-11-25 1995-06-01 Michael Peter Hollier Method and apparatus for testing telecommunications equipment
GB9604315D0 (en) * 1996-02-29 1996-05-01 British Telecomm Training process
US6119083A (en) * 1996-02-29 2000-09-12 British Telecommunications Public Limited Company Training process for the classification of a perceptual signal
FR2810116A1 (en) * 2000-06-07 2001-12-14 Arf Test Test device for a mobile phone, has microphone and loud speaker mounted in separate test heads with annular covers at the bottom of the heads to ensure good coupling to the phone under test so that background noise is suppressed
GB2456846B (en) * 2008-07-31 2013-03-13 Wolfson Microelectronics Plc Ear simulator
CN104469651A (en) * 2014-12-08 2015-03-25 惠州市联韵电子科技有限公司 General artificial ear test device

Also Published As

Publication number Publication date
GB2218300A (en) 1989-11-08
GB8730347D0 (en) 1988-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961231