EP4235664C0 - Verfahren zur unterdrückung eines akustischen nachhalls in einem audiosignal - Google Patents

Verfahren zur unterdrückung eines akustischen nachhalls in einem audiosignal

Info

Publication number
EP4235664C0
EP4235664C0 EP23155326.4A EP23155326A EP4235664C0 EP 4235664 C0 EP4235664 C0 EP 4235664C0 EP 23155326 A EP23155326 A EP 23155326A EP 4235664 C0 EP4235664 C0 EP 4235664C0
Authority
EP
European Patent Office
Prior art keywords
audio signal
acoustic reverberation
suppressing acoustic
suppressing
reverberation
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.)
Active
Application number
EP23155326.4A
Other languages
English (en)
French (fr)
Other versions
EP4235664B1 (de
EP4235664A1 (de
Inventor
Oliver Dressler
Tobias Daniel Rosenkranz
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
Sivantos Pte 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.)
Filing date
Publication date
Application filed by Sivantos Pte Ltd filed Critical Sivantos Pte Ltd
Publication of EP4235664A1 publication Critical patent/EP4235664A1/de
Application granted granted Critical
Publication of EP4235664C0 publication Critical patent/EP4235664C0/de
Publication of EP4235664B1 publication Critical patent/EP4235664B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
EP23155326.4A 2022-02-24 2023-02-07 Verfahren zur unterdrückung eines akustischen nachhalls in einem audiosignal Active EP4235664B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022201943.1A DE102022201943B4 (de) 2022-02-24 2022-02-24 Verfahren zur Unterdrückung eines akustischen Nachhalls in einem Audiosignal

Publications (3)

Publication Number Publication Date
EP4235664A1 EP4235664A1 (de) 2023-08-30
EP4235664C0 true EP4235664C0 (de) 2025-07-16
EP4235664B1 EP4235664B1 (de) 2025-07-16

Family

ID=85199406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23155326.4A Active EP4235664B1 (de) 2022-02-24 2023-02-07 Verfahren zur unterdrückung eines akustischen nachhalls in einem audiosignal

Country Status (4)

Country Link
US (1) US12212928B2 (de)
EP (1) EP4235664B1 (de)
CN (1) CN116647788A (de)
DE (1) DE102022201943B4 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7508948B2 (en) 2004-10-05 2009-03-24 Audience, Inc. Reverberation removal
DE102018210143A1 (de) * 2018-06-21 2019-12-24 Sivantos Pte. Ltd. Verfahren zur Unterdrückung eines akustischen Nachhalls in einem Audiosignal

Also Published As

Publication number Publication date
CN116647788A (zh) 2023-08-25
DE102022201943A1 (de) 2023-08-24
EP4235664B1 (de) 2025-07-16
DE102022201943B4 (de) 2025-05-08
US20230269546A1 (en) 2023-08-24
EP4235664A1 (de) 2023-08-30
US12212928B2 (en) 2025-01-28

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