KR20230021580A - 동적 음성 향상을 위한 방법 및 시스템 - Google Patents

동적 음성 향상을 위한 방법 및 시스템 Download PDF

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Publication number
KR20230021580A
KR20230021580A KR1020220088509A KR20220088509A KR20230021580A KR 20230021580 A KR20230021580 A KR 20230021580A KR 1020220088509 A KR1020220088509 A KR 1020220088509A KR 20220088509 A KR20220088509 A KR 20220088509A KR 20230021580 A KR20230021580 A KR 20230021580A
Authority
KR
South Korea
Prior art keywords
source input
gain control
control parameter
channel
audio source
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.)
Pending
Application number
KR1020220088509A
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English (en)
Korean (ko)
Inventor
샤오-푸 시
지안웬 정
이 샤오
에빈 자오
Original Assignee
하만인터내셔날인더스트리스인코포레이티드
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.)
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Application filed by 하만인터내셔날인더스트리스인코포레이티드 filed Critical 하만인터내셔날인더스트리스인코포레이티드
Publication of KR20230021580A publication Critical patent/KR20230021580A/ko
Pending legal-status Critical Current

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Classifications

    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0324—Details of processing therefor
    • G10L21/034—Automatic adjustment
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
KR1020220088509A 2021-08-05 2022-07-18 동적 음성 향상을 위한 방법 및 시스템 Pending KR20230021580A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110895493.XA CN115881146A (zh) 2021-08-05 2021-08-05 用于动态语音增强的方法及系统
CN202110895493.X 2021-08-05

Publications (1)

Publication Number Publication Date
KR20230021580A true KR20230021580A (ko) 2023-02-14

Family

ID=82608415

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020220088509A Pending KR20230021580A (ko) 2021-08-05 2022-07-18 동적 음성 향상을 위한 방법 및 시스템

Country Status (5)

Country Link
US (1) US20230040743A1 (https=)
EP (1) EP4131265B1 (https=)
JP (1) JP2023024295A (https=)
KR (1) KR20230021580A (https=)
CN (1) CN115881146A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116701921B (zh) * 2023-08-08 2023-10-20 电子科技大学 多通道时序信号自适应抑噪电路
CN119889331A (zh) * 2023-10-24 2025-04-25 哈曼国际工业有限公司 智能动态语音增强的方法及系统

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JP2001237920A (ja) * 2000-02-23 2001-08-31 Hitachi Kokusai Electric Inc 入力レベル調整回路
FI20045315L (fi) * 2004-08-30 2006-03-01 Nokia Corp Ääniaktiivisuuden havaitseminen äänisignaalissa
US7464029B2 (en) * 2005-07-22 2008-12-09 Qualcomm Incorporated Robust separation of speech signals in a noisy environment
JP2010539792A (ja) * 2007-09-12 2010-12-16 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチ増強
JP5094427B2 (ja) * 2008-01-09 2012-12-12 アルパイン株式会社 音声再生方法およびマルチプロセスシステム
US8856049B2 (en) * 2008-03-26 2014-10-07 Nokia Corporation Audio signal classification by shape parameter estimation for a plurality of audio signal samples
EP2107553B1 (en) * 2008-03-31 2011-05-18 Harman Becker Automotive Systems GmbH Method for determining barge-in
MY159890A (en) * 2008-04-18 2017-02-15 Dolby Laboratories Licensing Corp Method and apparatus for maintaining speech audibiliy in multi-channel audio with minimal impact on surround experience
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
US8503694B2 (en) * 2008-06-24 2013-08-06 Microsoft Corporation Sound capture system for devices with two microphones
US20110058676A1 (en) * 2009-09-07 2011-03-10 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dereverberation of multichannel signal
US9324337B2 (en) * 2009-11-17 2016-04-26 Dolby Laboratories Licensing Corporation Method and system for dialog enhancement
TWI459828B (zh) * 2010-03-08 2014-11-01 Dolby Lab Licensing Corp 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統
US8989403B2 (en) * 2010-03-09 2015-03-24 Mitsubishi Electric Corporation Noise suppression device
US8744091B2 (en) * 2010-11-12 2014-06-03 Apple Inc. Intelligibility control using ambient noise detection
JP5604275B2 (ja) * 2010-12-02 2014-10-08 富士通テン株式会社 相関低減方法、音声信号変換装置および音響再生装置
JP5762549B2 (ja) * 2011-09-15 2015-08-12 三菱電機株式会社 ダイナミックレンジ制御装置
WO2013118192A1 (ja) * 2012-02-10 2013-08-15 三菱電機株式会社 雑音抑圧装置
WO2013184520A1 (en) * 2012-06-04 2013-12-12 Stone Troy Christopher Methods and systems for identifying content types
WO2014043024A1 (en) * 2012-09-17 2014-03-20 Dolby Laboratories Licensing Corporation Long term monitoring of transmission and voice activity patterns for regulating gain control
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US11164592B1 (en) * 2019-05-09 2021-11-02 Amazon Technologies, Inc. Responsive automatic gain control

Also Published As

Publication number Publication date
EP4131265A3 (en) 2023-04-19
EP4131265A2 (en) 2023-02-08
US20230040743A1 (en) 2023-02-09
JP2023024295A (ja) 2023-02-16
EP4131265B1 (en) 2025-06-11
CN115881146A (zh) 2023-03-31

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