SE9901001D0 - Method, devices and system for generating background noise in a telecommunications system - Google Patents

Method, devices and system for generating background noise in a telecommunications system

Info

Publication number
SE9901001D0
SE9901001D0 SE9901001A SE9901001A SE9901001D0 SE 9901001 D0 SE9901001 D0 SE 9901001D0 SE 9901001 A SE9901001 A SE 9901001A SE 9901001 A SE9901001 A SE 9901001A SE 9901001 D0 SE9901001 D0 SE 9901001D0
Authority
SE
Sweden
Prior art keywords
inverse filter
background noise
devices
output signal
computing
Prior art date
Application number
SE9901001A
Other languages
English (en)
Inventor
Ingemar Johansson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9901001A priority Critical patent/SE9901001D0/xx
Publication of SE9901001D0 publication Critical patent/SE9901001D0/xx
Priority to AU39922/00A priority patent/AU3992200A/en
Priority to PCT/SE2000/000531 priority patent/WO2000057400A1/fr

Links

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
SE9901001A 1999-03-19 1999-03-19 Method, devices and system for generating background noise in a telecommunications system SE9901001D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9901001A SE9901001D0 (en) 1999-03-19 1999-03-19 Method, devices and system for generating background noise in a telecommunications system
AU39922/00A AU3992200A (en) 1999-03-19 2000-03-17 Method, devices and system for generating background noise in a telecommunications system
PCT/SE2000/000531 WO2000057400A1 (fr) 1999-03-19 2000-03-17 Procede, dispositifs et systeme de production de bruit de fond dans un systeme de telecommunications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9901001A SE9901001D0 (en) 1999-03-19 1999-03-19 Method, devices and system for generating background noise in a telecommunications system

Publications (1)

Publication Number Publication Date
SE9901001D0 true SE9901001D0 (en) 1999-03-19

Family

ID=20414918

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9901001A SE9901001D0 (en) 1999-03-19 1999-03-19 Method, devices and system for generating background noise in a telecommunications system

Country Status (3)

Country Link
AU (1) AU3992200A (fr)
SE (1) SE9901001D0 (fr)
WO (1) WO2000057400A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8592361B2 (en) 2002-11-25 2013-11-26 Colgate-Palmolive Company Functional fragrance precursor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2776050B2 (ja) * 1991-02-26 1998-07-16 日本電気株式会社 音声符号化方式

Also Published As

Publication number Publication date
WO2000057400A1 (fr) 2000-09-28
AU3992200A (en) 2000-10-09

Similar Documents

Publication Publication Date Title
US6522746B1 (en) Synchronization of voice boundaries and their use by echo cancellers in a voice processing system
US7002913B2 (en) Packet loss compensation method using injection of spectrally shaped noise
DE60029453T2 (de) Messen der Übertragungsqualität einer Telefonverbindung in einem Fernmeldenetz
HU0101288D0 (en) Method of time-domain noise suppression in telecommunication systems
WO2013183928A1 (fr) Procédé et dispositif de codage audio, procédé et dispositif de décodage audio, et dispositif multimédia les employant
CA2167025A1 (fr) Estimation de parametres d'excitation
HK1069247A1 (en) Speech bandwidth extension apparatus and speech bandwidth extension method
DE60030137T2 (de) Verfahren und vorrichtung zur leistungsverbesserung eines adaptiven filters mittels nicht hörbarer information
KR100250561B1 (ko) 잡음소거기 및 이 잡음소거기를 사용한 통신장치
CA2328006C (fr) Suppression d'echo acoustique basee sur un codage predictif lineaire
Antweiler et al. Perfect sequence excitation of the NLMS algorithm and its application to acoustic echo control
CN1194507A (zh) 产生舒适噪声的设备和包括其部件的语音编解码器
SE9901001D0 (en) Method, devices and system for generating background noise in a telecommunications system
KR101035736B1 (ko) 이동통신 시스템의 단말 장치에서 반향 제거 장치 및 방법
JPH08278800A (ja) 音声通信システム
CN101751928A (zh) 应用音频帧频谱平坦度简化声学模型分析的方法及其装置
Myllylä Residual echo filter for enhanced acoustic echo control
Fingscheidt et al. Towards objective quality assessment of speech enhancement systems in a black box approach
EP1395982B1 (fr) Systeme de codage de la parole adpcm dote de filtres de trainage de phase et de detrainage de phase
JP2597271B2 (ja) 合成による分析技術に基づく音声コーダの改良
JPH08321792A (ja) 音声信号帯域圧縮伝送方法
Lu et al. Pitch analysis-based acoustic echo cancellation over a nonlinear channel
KR100531891B1 (ko) 이동 통신 단말기의 주변 잡음 억제 장치 및 방법
KR0155320B1 (ko) 정규 여기펄스 검색법을 이용한 celp 보코더의 불규칙 코드북 검색방법
JPH07273656A (ja) 信号処理方法及び装置