EP0794686A3 - Microphone with associated amplifier - Google Patents

Microphone with associated amplifier Download PDF

Info

Publication number
EP0794686A3
EP0794686A3 EP97250020A EP97250020A EP0794686A3 EP 0794686 A3 EP0794686 A3 EP 0794686A3 EP 97250020 A EP97250020 A EP 97250020A EP 97250020 A EP97250020 A EP 97250020A EP 0794686 A3 EP0794686 A3 EP 0794686A3
Authority
EP
European Patent Office
Prior art keywords
microphone
digital
associated amplifier
channel
amplifiers
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.)
Granted
Application number
EP97250020A
Other languages
German (de)
French (fr)
Other versions
EP0794686A2 (en
EP0794686B1 (en
Inventor
Helmut Dr. Jahne
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.)
Stage Tec Entwicklungsgesellschaft fur Professionelle Audiotechnik Mbh
Original Assignee
Stage Tec Entwicklungsgesellschaft fur Professionelle Audiotechnik Mbh
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 Stage Tec Entwicklungsgesellschaft fur Professionelle Audiotechnik Mbh filed Critical Stage Tec Entwicklungsgesellschaft fur Professionelle Audiotechnik Mbh
Publication of EP0794686A2 publication Critical patent/EP0794686A2/en
Publication of EP0794686A3 publication Critical patent/EP0794686A3/en
Application granted granted Critical
Publication of EP0794686B1 publication Critical patent/EP0794686B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Abstract

A cable (11) interconnects the digital circuits of the microphone and its associated amplifier, the microphone digital circuit comprises a sound converter (1), two pre-amplifiers (V1,2), and two A/D converters (6) for a two-channel digital audio format. The two pre-amplifiers are coupled to the sound converter output and are linked each to one A/D converter, connected to a digital driver stage. The associated amplifier has a receiver and a signal processor, which generates a single-channel signal from the digital two-channel audio format, with the signal used for computing amplifying and filtering for the microphone.
EP97250020A 1996-02-06 1997-02-02 Microphone with associated amplifier Expired - Lifetime EP0794686B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19606261A DE19606261C2 (en) 1996-02-06 1996-02-06 Microphone with assigned amplifier
DE19606261 1996-02-06

Publications (3)

Publication Number Publication Date
EP0794686A2 EP0794686A2 (en) 1997-09-10
EP0794686A3 true EP0794686A3 (en) 2002-09-25
EP0794686B1 EP0794686B1 (en) 2006-10-04

Family

ID=7785893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97250020A Expired - Lifetime EP0794686B1 (en) 1996-02-06 1997-02-02 Microphone with associated amplifier

Country Status (5)

Country Link
US (1) US6028946A (en)
EP (1) EP0794686B1 (en)
AT (1) ATE341920T1 (en)
DE (1) DE19606261C2 (en)
DK (1) DK0794686T3 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2330709B (en) * 1997-10-24 2001-07-04 Sony Uk Ltd Signal processors
NO20015983A (en) * 2001-12-06 2003-04-07 Meditron Asa Singing microphone
US20030223592A1 (en) * 2002-04-10 2003-12-04 Michael Deruginsky Microphone assembly with auxiliary analog input
DE10320190B4 (en) * 2003-05-07 2005-07-07 Sennheiser Electronic Gmbh & Co. Kg detection device
WO2005009072A2 (en) * 2003-11-24 2005-01-27 Sonion A/S Microphone comprising integral multi-level quantizer and single-bit conversion means
EP1565034A1 (en) * 2004-02-16 2005-08-17 STMicroelectronics S.r.l. Packaged digital microphone device with auxiliary line-in function
US7319768B2 (en) * 2004-03-16 2008-01-15 Phonak Ag Hearing aid and method for the detection and automatic selection of an input signal
EP1585359B1 (en) * 2004-03-30 2017-10-04 AKG Acoustics GmbH Remote control of phantom power supplied microphones
ATE520263T1 (en) * 2004-03-30 2011-08-15 Akg Acoustics Gmbh ADJUSTING THE POLARIZATION VOLTAGE OF MICROPHONES
US7620189B2 (en) * 2004-03-30 2009-11-17 Akg Acoustics Gmbh Polarization voltage setting of microphones
EP1908330A2 (en) * 2005-07-19 2008-04-09 Audioasics A/S Programmable microphone
US7848715B2 (en) * 2007-05-03 2010-12-07 Infineon Technologies Ag Circuit and method
US9467774B2 (en) 2012-02-10 2016-10-11 Infineon Technologies Ag System and method for a PCM interface for a capacitive signal source
US9356567B2 (en) * 2013-03-08 2016-05-31 Invensense, Inc. Integrated audio amplification circuit with multi-functional external terminals
EP2879300A1 (en) * 2013-11-28 2015-06-03 AKG Acoustics GmbH Antenna system of a radio microphone
CN104066036A (en) * 2014-06-19 2014-09-24 华为技术有限公司 Pick-up device and method
US10182296B2 (en) * 2014-11-11 2019-01-15 Invensense, Inc. Secure audio sensor
EP3259845B1 (en) 2015-02-16 2019-09-18 Sound Devices, LLC High dynamic range analog-to-digital conversion with selective regression based data repair

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051799A (en) * 1989-02-17 1991-09-24 Paul Jon D Digital output transducer
DE4420713A1 (en) * 1994-06-14 1996-01-11 Stage Tec Entwicklungsgesellsc Audio signal A=D converter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710598A (en) * 1980-06-20 1982-01-20 Sony Corp Transmitting circuit of microphone output
JPS57193198A (en) * 1981-05-22 1982-11-27 Toshiba Corp Electrostatic microphone
SE452083C (en) * 1983-02-25 1990-11-15 Rune Rosander MICROPHONE
US4817153A (en) * 1988-03-14 1989-03-28 Canamex Corporation Method and apparatus for transforming a monaural signal into stereophonic signals
FR2695277B1 (en) * 1992-08-28 1994-10-07 Inst Francais Du Petrole Method and device for digitally transmitting signals.
FI97001C (en) * 1993-05-05 1996-09-25 Nokia Mobile Phones Ltd Switching to process a speech signal
US5386438A (en) * 1993-09-14 1995-01-31 Intel Corporation Analog front end integrated circuit for communication applications

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051799A (en) * 1989-02-17 1991-09-24 Paul Jon D Digital output transducer
DE4420713A1 (en) * 1994-06-14 1996-01-11 Stage Tec Entwicklungsgesellsc Audio signal A=D converter

Also Published As

Publication number Publication date
DE19606261A1 (en) 1997-08-14
EP0794686A2 (en) 1997-09-10
US6028946A (en) 2000-02-22
ATE341920T1 (en) 2006-10-15
EP0794686B1 (en) 2006-10-04
DK0794686T3 (en) 2007-02-05
DE19606261C2 (en) 1998-04-09

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