CL2015001037A1 - Sistema de cancelación de eco acústico, que comprende medios para: entrada de audio, generar una señal de audio, transmitir dicha señal de audio, convertir dicha señal de audio en un dominio de frecuencia, realizar una medición de similitud, realizar estimación de retardo, realizar una estimación de parámetros de eco, realizar una validación estadística de eco, detectar una voz, y detectar una doble voz; sistema alternativo; métodos asociados - Google Patents

Sistema de cancelación de eco acústico, que comprende medios para: entrada de audio, generar una señal de audio, transmitir dicha señal de audio, convertir dicha señal de audio en un dominio de frecuencia, realizar una medición de similitud, realizar estimación de retardo, realizar una estimación de parámetros de eco, realizar una validación estadística de eco, detectar una voz, y detectar una doble voz; sistema alternativo; métodos asociados

Info

Publication number
CL2015001037A1
CL2015001037A1 CL2015001037A CL2015001037A CL2015001037A1 CL 2015001037 A1 CL2015001037 A1 CL 2015001037A1 CL 2015001037 A CL2015001037 A CL 2015001037A CL 2015001037 A CL2015001037 A CL 2015001037A CL 2015001037 A1 CL2015001037 A1 CL 2015001037A1
Authority
CL
Chile
Prior art keywords
audio signal
detect
perform
echo
voice
Prior art date
Application number
CL2015001037A
Other languages
English (en)
Inventor
Felix Immanuel Wyss
Ananth Nagaraja Iyer
Rivarol Vergin
Aravind Ganapathiraju
Kevin Charles Vlack
Srinath Cheluvaraja
Original Assignee
Interactive Intelligence Inc
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 Interactive Intelligence Inc filed Critical Interactive Intelligence Inc
Publication of CL2015001037A1 publication Critical patent/CL2015001037A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/234—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using double talk detection
    • 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
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephonic Communication Services (AREA)
CL2015001037A 2012-10-23 2015-04-22 Sistema de cancelación de eco acústico, que comprende medios para: entrada de audio, generar una señal de audio, transmitir dicha señal de audio, convertir dicha señal de audio en un dominio de frecuencia, realizar una medición de similitud, realizar estimación de retardo, realizar una estimación de parámetros de eco, realizar una validación estadística de eco, detectar una voz, y detectar una doble voz; sistema alternativo; métodos asociados CL2015001037A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261717156P 2012-10-23 2012-10-23

Publications (1)

Publication Number Publication Date
CL2015001037A1 true CL2015001037A1 (es) 2015-08-21

Family

ID=50485330

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2015001037A CL2015001037A1 (es) 2012-10-23 2015-04-22 Sistema de cancelación de eco acústico, que comprende medios para: entrada de audio, generar una señal de audio, transmitir dicha señal de audio, convertir dicha señal de audio en un dominio de frecuencia, realizar una medición de similitud, realizar estimación de retardo, realizar una estimación de parámetros de eco, realizar una validación estadística de eco, detectar una voz, y detectar una doble voz; sistema alternativo; métodos asociados

Country Status (9)

Country Link
US (1) US9628141B2 (es)
EP (1) EP2912833B1 (es)
JP (1) JP6291501B2 (es)
AU (3) AU2013334829B2 (es)
BR (1) BR112015007306B1 (es)
CA (2) CA3073412C (es)
CL (1) CL2015001037A1 (es)
NZ (1) NZ706162A (es)
WO (1) WO2014066367A1 (es)

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WO2018163328A1 (ja) * 2017-03-08 2018-09-13 三菱電機株式会社 音響信号処理装置、音響信号処理方法、及びハンズフリー通話装置
CN109215672B (zh) * 2017-07-05 2021-11-16 苏州谦问万答吧教育科技有限公司 一种声音信息的处理方法、装置及设备
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CN108198551A (zh) * 2018-01-15 2018-06-22 深圳前海黑鲸科技有限公司 回声消除延时的处理方法及装置
KR20200033617A (ko) 2018-09-20 2020-03-30 현대자동차주식회사 차량용 음성 인식 장치 및 그 제어 방법
CN110687523B (zh) * 2019-08-29 2023-07-11 中国科学技术大学 一种障碍物检测系统、方法及存储介质
CN114303188A (zh) * 2019-08-30 2022-04-08 杜比实验室特许公司 针对机器感知预调节音频
CN111402868B (zh) * 2020-03-17 2023-10-24 阿波罗智联(北京)科技有限公司 语音识别方法、装置、电子设备及计算机可读存储介质
US11122160B1 (en) * 2020-07-08 2021-09-14 Lenovo (Singapore) Pte. Ltd. Detecting and correcting audio echo
CN111933166B (zh) * 2020-07-31 2024-01-26 广州视源电子科技股份有限公司 回声抑制方法、装置、存储介质和电子设备
CN113724722B (zh) * 2021-08-18 2023-12-26 杭州网易智企科技有限公司 回声延迟估计方法、装置、存储介质和计算设备
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Also Published As

Publication number Publication date
AU2017245314A1 (en) 2017-11-02
US9628141B2 (en) 2017-04-18
AU2013334829B2 (en) 2017-06-15
CA2888894A1 (en) 2014-05-01
CA2888894C (en) 2021-08-17
WO2014066367A8 (en) 2014-07-31
JP6291501B2 (ja) 2018-03-14
EP2912833A4 (en) 2016-06-22
EP2912833B1 (en) 2017-06-21
AU2013334829A1 (en) 2015-04-09
WO2014066367A1 (en) 2014-05-01
AU2017203053B2 (en) 2017-07-13
BR112015007306A2 (pt) 2020-04-22
BR112015007306B1 (pt) 2022-10-18
AU2017245314B2 (en) 2019-04-11
AU2017203053A1 (en) 2017-06-01
CA3073412A1 (en) 2014-05-01
US20140112467A1 (en) 2014-04-24
CA3073412C (en) 2022-05-24
EP2912833A1 (en) 2015-09-02
JP2016502779A (ja) 2016-01-28
NZ706162A (en) 2018-07-27

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