SE0001396D0 - Reduktion av kontrast i bakgrundsbrus vid överkopplingar - Google Patents

Reduktion av kontrast i bakgrundsbrus vid överkopplingar

Info

Publication number
SE0001396D0
SE0001396D0 SE0001396A SE0001396A SE0001396D0 SE 0001396 D0 SE0001396 D0 SE 0001396D0 SE 0001396 A SE0001396 A SE 0001396A SE 0001396 A SE0001396 A SE 0001396A SE 0001396 D0 SE0001396 D0 SE 0001396D0
Authority
SE
Sweden
Prior art keywords
communication system
noise
background noise
communication
sampled
Prior art date
Application number
SE0001396A
Other languages
English (en)
Other versions
SE0001396L (sv
SE522016C2 (sv
Original Assignee
Motorola Ltd
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 Motorola Ltd filed Critical Motorola Ltd
Publication of SE0001396D0 publication Critical patent/SE0001396D0/sv
Publication of SE0001396L publication Critical patent/SE0001396L/sv
Publication of SE522016C2 publication Critical patent/SE522016C2/sv

Links

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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/142—Reselecting a network or an air interface over the same radio air interface technology

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)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
SE0001396A 1997-10-16 2000-04-14 Reduktion av kontrast i bakgrundsbrus vid överkopplingar innefattande en ändring i talkodek SE522016C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9721885A GB2330485B (en) 1997-10-16 1997-10-16 Background noise contrast reduction for handovers involving a change of speech codec
PCT/EP1998/006645 WO1999021167A1 (en) 1997-10-16 1998-10-12 Background noise contrast reduction for handovers involving a change of speech codec

Publications (3)

Publication Number Publication Date
SE0001396D0 true SE0001396D0 (sv) 2000-04-14
SE0001396L SE0001396L (sv) 2000-06-16
SE522016C2 SE522016C2 (sv) 2004-01-07

Family

ID=10820618

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0001396A SE522016C2 (sv) 1997-10-16 2000-04-14 Reduktion av kontrast i bakgrundsbrus vid överkopplingar innefattande en ändring i talkodek

Country Status (11)

Country Link
US (1) US6549523B1 (sv)
JP (1) JP4234320B2 (sv)
KR (1) KR100564682B1 (sv)
CN (1) CN1122969C (sv)
AU (1) AU748117B2 (sv)
BR (1) BR9815207A (sv)
DE (1) DE19882753B4 (sv)
GB (1) GB2330485B (sv)
HK (1) HK1035423A1 (sv)
SE (1) SE522016C2 (sv)
WO (1) WO1999021167A1 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1139337A1 (en) * 2000-03-31 2001-10-04 Telefonaktiebolaget L M Ericsson (Publ) A method of transmitting voice information and an electronic communications device for transmission of voice information
AU2001260154A1 (en) * 2000-03-31 2001-10-15 Telefonaktiebolaget Lm Ericsson (Publ) A method of transmitting voice information and an electronic communications device for transmission of voice information
GB2372406B (en) * 2001-02-20 2004-08-04 Motorola Inc Preparing for handover in a communication system
AU2003253006A1 (en) 2003-08-15 2005-03-07 Research In Motion Uk Limited Apparatus, and an associated method, for preserving service quality levels during hand-off in a radio communication system
KR100555547B1 (ko) * 2004-01-15 2006-03-03 삼성전자주식회사 Ａｍｒ 배경잡음 제거방법
DE102004053093B4 (de) * 2004-11-03 2006-08-17 Siemens Ag Verfahren zur Ausgabe eines Nutzdatenstroms und Kommunikationsendgerät zum Empfang und zur Ausgabe eines Nutzdatenstroms
US8208516B2 (en) * 2006-07-14 2012-06-26 Qualcomm Incorporated Encoder initialization and communications
CN100550133C (zh) 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
JP5001983B2 (ja) * 2009-07-21 2012-08-15 株式会社エヌ・ティ・ティ・ドコモ 通信制御システム、及び通信制御方法
CN102614294B (zh) * 2011-01-27 2015-02-25 瑞普（天津）生物药业有限公司 一种复方阿莫西林混悬注射剂及其制备方法
US9794842B2 (en) 2015-05-21 2017-10-17 At&T Mobility Ii Llc Facilitation of handover coordination based on voice activity data

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947440A (en) * 1988-10-27 1990-08-07 The Grass Valley Group, Inc. Shaping of automatic audio crossfade
US5146609A (en) * 1990-02-27 1992-09-08 Motorola, Inc. Cellular radio system having reduced handover disruption and method for use in such a system
US5239675A (en) * 1991-04-10 1993-08-24 Motorola, Inc. Reduced noise interference during handoff
GB9300310D0 (en) * 1993-01-08 1993-03-03 Ncr Int Inc Handover method for mobile wireless station
DE4307905A1 (de) * 1993-03-12 1994-09-15 Thomson Brandt Gmbh Verfahren zur Speicherung und Wiedergabe eines Audiosignals
DE4342425A1 (de) * 1993-12-13 1995-06-14 Philips Patentverwaltung Verfahren und Anordnung zum Übertragen von Sprachsignalen
JP2586827B2 (ja) * 1994-07-20 1997-03-05 日本電気株式会社 受信装置
GB2296626B (en) * 1994-12-23 1999-07-28 Nokia Mobile Phones Ltd Multi-mode radio telephone

Also Published As

Publication number Publication date
US6549523B1 (en) 2003-04-15
GB9721885D0 (en) 1997-12-17
DE19882753T1 (de) 2001-03-08
CN1279807A (zh) 2001-01-10
BR9815207A (pt) 2001-12-26
AU748117B2 (en) 2002-05-30
JP2001521192A (ja) 2001-11-06
SE0001396L (sv) 2000-06-16
SE522016C2 (sv) 2004-01-07
GB2330485B (en) 2002-05-29
JP4234320B2 (ja) 2009-03-04
WO1999021167A1 (en) 1999-04-29
GB2330485A (en) 1999-04-21
KR100564682B1 (ko) 2006-03-30
KR20010024523A (ko) 2001-03-26
DE19882753B4 (de) 2004-01-29
AU1230399A (en) 1999-05-10
HK1035423A1 (en) 2001-11-23
CN1122969C (zh) 2003-10-01

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Legal Events

Date Code Title Description
NUG Patent has lapsed