JPS59146231A - エコ−・キヤンセラ−装置 - Google Patents

エコ−・キヤンセラ−装置

Info

Publication number
JPS59146231A
JPS59146231A JP2029483A JP2029483A JPS59146231A JP S59146231 A JPS59146231 A JP S59146231A JP 2029483 A JP2029483 A JP 2029483A JP 2029483 A JP2029483 A JP 2029483A JP S59146231 A JPS59146231 A JP S59146231A
Authority
JP
Japan
Prior art keywords
signal
echo
pseudo
hybrid circuit
echo signal
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
JP2029483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6343012B2 (enExample
Inventor
Kazuhiko Yamamori
和彦 山森
Tadamichi Kawasaki
川崎　忠道
Shigenobu Minami
重信 南
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone Corp
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 Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP2029483A priority Critical patent/JPS59146231A/ja
Publication of JPS59146231A publication Critical patent/JPS59146231A/ja
Publication of JPS6343012B2 publication Critical patent/JPS6343012B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2029483A 1983-02-09 1983-02-09 エコ−・キヤンセラ−装置 Granted JPS59146231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2029483A JPS59146231A (ja) 1983-02-09 1983-02-09 エコ−・キヤンセラ−装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2029483A JPS59146231A (ja) 1983-02-09 1983-02-09 エコ−・キヤンセラ−装置

Publications (2)

Publication Number Publication Date
JPS59146231A true JPS59146231A (ja) 1984-08-22
JPS6343012B2 JPS6343012B2 (enExample) 1988-08-26

Family

ID=12023139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2029483A Granted JPS59146231A (ja) 1983-02-09 1983-02-09 エコ−・キヤンセラ−装置

Country Status (1)

Country Link
JP (1) JPS59146231A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61256833A (ja) * 1985-01-29 1986-11-14 ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ 雑音キヤンセル方法および装置ならびに全二重モデム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120327A (ja) * 1982-01-11 1983-07-18 Toshiba Corp エコ−・キヤンセラ−装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120327A (ja) * 1982-01-11 1983-07-18 Toshiba Corp エコ−・キヤンセラ−装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61256833A (ja) * 1985-01-29 1986-11-14 ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ 雑音キヤンセル方法および装置ならびに全二重モデム
US5113389A (en) * 1985-01-29 1992-05-12 British Telecommunications Public Limited Company Noise cancellation

Also Published As

Publication number Publication date
JPS6343012B2 (enExample) 1988-08-26

Similar Documents

Publication Publication Date Title
US8675883B2 (en) Apparatus and associated methodology for suppressing an acoustic echo
TWI458331B (zh) 用於計算回聲抑制濾波器的控制資訊的裝置和方法，以及用於計算延遲值的裝置和方法
JPH0748681B2 (ja) エコー消去器の係数制御方法
JPS59211313A (ja) 自動等化器
CN101689371A (zh) 处理音频信号的设备和方法
JP2934110B2 (ja) フィルタ構造体
JPH0527287B2 (enExample)
CN103493384B (zh) 回声消除装置、回声消除方法及通话装置
JP2654894B2 (ja) 反響消去装置およびその方法
US8259928B2 (en) Method and apparatus for reducing timestamp noise in audio echo cancellation
JPS59146231A (ja) エコ−・キヤンセラ−装置
JPS5860835A (ja) 反響打消し装置
JPH01215130A (ja) エコーキャンセラー装置
JP3304119B2 (ja) エコーキャンセラ
CN108011643B (zh) 回波反射或近端串扰的相消器与相消方法
JPS5961232A (ja) ブリツジドタツプ等化器の引き込みタイミング検出回路
JPH0275229A (ja) エコーキャンセラ
CN120071947A (zh) 语音处理方法、装置、存储介质及电子设备
JP2841950B2 (ja) エコー消去器
JPS63234732A (ja) 音響エコ−キヤンセラ
JPH0447720A (ja) エコーキャンセラー
JPS6053490B2 (ja) 適応型反響打消装置
JP2003198434A (ja) エコーキャンセラおよびエコーキャンセラのトレーニング法ならびにａｄｓｌシステム
JPH04284030A (ja) エコー消去器の収束時間短縮方法
JPS6010820A (ja) エコ−キヤンセラ−の駆動方法