RESIDUAL ECHO CANCELLATION Russian patent published in 2025 - IPC H04M9/08 G10K11/178 H04B3/23 

Abstract RU 2834267 C1

FIELD: physics.

SUBSTANCE: invention relates to audio processing and, in particular, to echo cancellation. Disclosed audio processing method includes calculating the estimated residual echo power based on the long-term echo cancellation value indicated by the estimated power gain profile, wherein the estimated power gain profile is based on the reference signal and the residual echo signal. Echo cancellation of the residual echo can then be performed based on the estimated residual echo power. Also disclosed is a computer-readable medium and a device for implementing the method.

EFFECT: improved echo cancellation system, reduced residual echo signal.

15 cl, 8 dwg

Similar patents RU2834267C1

Title Year Author Number
ECHO SUPPRESSION COMPRISING SIMULATION OF LATE REVERBERATION COMPONENTS 2011
  • Kjukh Fabian
  • Shmidt Markus
  • Faller Kristof
  • Favro Aleksis
RU2569006C2
ECHO CANCELLATION DEVICE, ECHO CANCELLATION METHOD AND ECHO CANCELLATION PROGRAM 2018
  • Satomi, Yuki
RU2732362C1
APPARATUS AND METHOD FOR COMPUTING FILTER COEFFICIENTS FOR ECHO SUPPRESSION 2009
  • Kjukh Fabian
  • Kallinger Markus
  • Faller Kristof
  • Favrot Aleksis
RU2485607C2
ECHO CANCELLING DEVICE, ECHO CANCELLING METHOD AND ECHO CANCELLING PROGRAM 2020
  • Satomi, Yuki
RU2799561C2
DEVICE FOR MULTICHANNEL ADAPTIVE ECHO SIGNAL COMPENSATION 2019
  • Belov Aleksej Anatolevich
  • Kropotov Yurij Anatolevich
  • Proskuryakov Aleksandr Yurevich
RU2722220C1
LINE ECHO SUPPRESSOR 1993
  • Gilbert S.Sikh[Us]
RU2109408C1
APPARATUS AND METHOD OF CALCULATING CONTROL PARAMETERS OF ECHO SUPPRESSION FILTER AND APPARATUS AND METHOD OF CALCULATING DELAY VALUE 2009
  • Kjukh Fabian
  • Kallinger Markus
  • Faller Kristof
  • Favrot Aleksis
RU2495506C2
ACOUSTIC ECHO SUPPRESSING DEVICE AND FRONT-END CONFERENCE CALL DEVICE 2009
  • Kjukh Fabian
  • Kallinger Markus
  • Shmidt Markus
  • Zourub Meraj
  • Diatshuk Marko
  • Mozer Oliver
RU2520359C2
DOUBLE-TALK DETECTION USING UPSAMPLING 2021
  • Wang, Ning
RU2832721C1
MULTICHANNEL ACOUSTIC ECHO CANCELLATION 2010
  • Triki Makhdi
  • Janse Kornelis Piter
RU2546717C2

RU 2 834 267 C1

Authors

Wang, Ning

Dates

2025-02-04Published

2021-03-19Filed