EP2437258A3 - Verfahren und Vorrichtung zur Frequenzkompression mit selektiver Frequenzverschiebung - Google Patents

Verfahren und Vorrichtung zur Frequenzkompression mit selektiver Frequenzverschiebung Download PDF

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Publication number
EP2437258A3
EP2437258A3 EP20110183051 EP11183051A EP2437258A3 EP 2437258 A3 EP2437258 A3 EP 2437258A3 EP 20110183051 EP20110183051 EP 20110183051 EP 11183051 A EP11183051 A EP 11183051A EP 2437258 A3 EP2437258 A3 EP 2437258A3
Authority
EP
European Patent Office
Prior art keywords
frequency
channel
dominant instantaneous
compression
shifted
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
EP20110183051
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English (en)
French (fr)
Other versions
EP2437258A2 (de
EP2437258B1 (de
Inventor
Robert BÄUML
Ulrich Kornagel
Thomas Pilgrim
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.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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Publication date
Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2437258A2 publication Critical patent/EP2437258A2/de
Publication of EP2437258A3 publication Critical patent/EP2437258A3/de
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Publication of EP2437258B1 publication Critical patent/EP2437258B1/de
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/353—Frequency, e.g. frequency shift or compression
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)

Abstract

Bei der Frequenzkompression von Audiosignalen soll das Auftreten von Artefakten vermindert werden. Dazu wird ein Verfahren vorgeschlagen, bei dem das zu komprimierende Audiosignal in mehreren Frequenzkanälen bereitgestellt und ein Anteil des Audiosignals von einem ersten Frequenzkanal (14') der mehreren Frequenzkanäle in einen zweiten Frequenzkanal (11') der mehreren Frequenzkanäle verschoben wird. Eine dominante Momentanfrequenz (14") wird in dem ersten Frequenzkanal (14') ermittelt. Bei dem Verschieben oder Abbilden wird zunächst der gesamte erste Frequenzkanal (14') einschließlich der dominanten Momentanfrequenz in den zweiten Frequenzkanal (11') verschoben oder abgebildet, wobei die dominante Momentanfrequenz eine Zwischenfrequenzposition (fz) erhält. Eine endgültige Frequenzposition (fd) für die dominante Momentanfrequenz wird durch eine vorgegebene Kompressionskennlinie in dem zweiten Frequenzkanal (11'), ausgehend von der Frequenzposition (fs) der dominanten Momentanfrequenz in dem ersten Frequenzkanal (14'), ermittelt. Schließlich wird die dominante Momentanfrequenz von der Zwischenfrequenzposition (fz) auf die endgültige Frequenzposition (fd) geschoben oder abgebildet.
EP11183051.9A 2010-09-29 2011-09-28 Verfahren und Vorrichtung zur Frequenzkompression mit selektiver Frequenzverschiebung Active EP2437258B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010041653.3A DE102010041653B4 (de) 2010-09-29 2010-09-29 Verfahren und Vorrichtung zur Frequenzkompression mit selektiver Frequenzverschiebung

Publications (3)

Publication Number Publication Date
EP2437258A2 EP2437258A2 (de) 2012-04-04
EP2437258A3 true EP2437258A3 (de) 2013-09-04
EP2437258B1 EP2437258B1 (de) 2015-11-11

Family

ID=44720711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11183051.9A Active EP2437258B1 (de) 2010-09-29 2011-09-28 Verfahren und Vorrichtung zur Frequenzkompression mit selektiver Frequenzverschiebung

Country Status (4)

Country Link
US (1) US9031269B2 (de)
EP (1) EP2437258B1 (de)
DE (1) DE102010041653B4 (de)
DK (1) DK2437258T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2488167A (en) * 2011-02-18 2012-08-22 Nec Corp Handover procedure in a home base station connected to a home base station gateway
TWI504282B (zh) * 2012-07-20 2015-10-11 Unlimiter Mfa Co Ltd 增加聽障者聽到聲音正確性之方法及助聽器
US9084050B2 (en) * 2013-07-12 2015-07-14 Elwha Llc Systems and methods for remapping an audio range to a human perceivable range
TWI543634B (zh) * 2013-12-10 2016-07-21 元鼎音訊股份有限公司 處理聲音段之方法及其電腦程式產品及助聽器
KR102308541B1 (ko) * 2015-01-16 2021-10-05 삼성전자주식회사 필터뱅크 기반 다중 반송파 무선 통신 시스템에서 패킷 전송 방법 및 장치
KR102494080B1 (ko) * 2016-06-01 2023-02-01 삼성전자 주식회사 전자 장치 및 전자 장치의 사운드 신호 보정 방법
US11188292B1 (en) 2019-04-03 2021-11-30 Discovery Sound Technology, Llc System and method for customized heterodyning of collected sounds from electromechanical equipment
CN110265042B (zh) * 2019-05-31 2021-07-23 歌尔科技有限公司 声音信号处理方法、装置及设备
CN110491407B (zh) * 2019-08-15 2021-09-21 广州方硅信息技术有限公司 语音降噪的方法、装置、电子设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1333700A2 (de) * 2003-03-06 2003-08-06 Phonak Ag Verfahren zur Frequenzunsetzung in einem Hörgerät und ein solches Hörgerät
WO2005015952A1 (en) * 2003-08-11 2005-02-17 Vast Audio Pty Ltd Sound enhancement for hearing-impaired listeners
WO2007000161A1 (en) * 2005-06-27 2007-01-04 Widex A/S Hearing aid with enhanced high frequency reproduction and method for processing an audio signal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577739B1 (en) * 1997-09-19 2003-06-10 University Of Iowa Research Foundation Apparatus and methods for proportional audio compression and frequency shifting
FR2822000B1 (fr) * 2001-03-08 2003-05-23 Thomson Multimedia Sa Dispositif d'emission limitant les parasites hors de la bande de frequence allouee
DE102006019728A1 (de) * 2006-04-27 2007-11-15 Siemens Audiologische Technik Gmbh Zeit-adaptives Einstellen einer Hörhilfevorrichtung und entsprechendes Verfahren
DK2369859T3 (en) * 2008-05-30 2017-03-13 Sonova Ag Method of adapting sound in a hearing aid by frequency change and such a device / Method of adapting sound in a hearing aid device by frequency modification and such a device
FR2950497B1 (fr) * 2009-09-24 2011-10-21 Eutelsat Sa Charge utile pour satellite multifaisceaux

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1333700A2 (de) * 2003-03-06 2003-08-06 Phonak Ag Verfahren zur Frequenzunsetzung in einem Hörgerät und ein solches Hörgerät
WO2005015952A1 (en) * 2003-08-11 2005-02-17 Vast Audio Pty Ltd Sound enhancement for hearing-impaired listeners
WO2007000161A1 (en) * 2005-06-27 2007-01-04 Widex A/S Hearing aid with enhanced high frequency reproduction and method for processing an audio signal

Also Published As

Publication number Publication date
EP2437258A2 (de) 2012-04-04
DE102010041653A1 (de) 2012-03-29
DE102010041653B4 (de) 2015-04-02
DK2437258T3 (da) 2016-02-15
US20120076333A1 (en) 2012-03-29
US9031269B2 (en) 2015-05-12
EP2437258B1 (de) 2015-11-11

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