ATE352138T1 - Anpassungsverfahren für ein mehrraten-sprach- codec - Google Patents

Anpassungsverfahren für ein mehrraten-sprach- codec

Info

Publication number
ATE352138T1
ATE352138T1 AT04291360T AT04291360T ATE352138T1 AT E352138 T1 ATE352138 T1 AT E352138T1 AT 04291360 T AT04291360 T AT 04291360T AT 04291360 T AT04291360 T AT 04291360T AT E352138 T1 ATE352138 T1 AT E352138T1
Authority
AT
Austria
Prior art keywords
speech
ber
frame
determining
voice codec
Prior art date
Application number
AT04291360T
Other languages
English (en)
Inventor
Christian Georg Gerlach
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE352138T1 publication Critical patent/ATE352138T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0014Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203Details of error rate determination, e.g. BER, FER or WER

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
AT04291360T 2004-05-28 2004-05-28 Anpassungsverfahren für ein mehrraten-sprach- codec ATE352138T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04291360A EP1603262B1 (de) 2004-05-28 2004-05-28 Anpassungsverfahren für ein Mehrraten-Sprach-Codec

Publications (1)

Publication Number Publication Date
ATE352138T1 true ATE352138T1 (de) 2007-02-15

Family

ID=34931133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04291360T ATE352138T1 (de) 2004-05-28 2004-05-28 Anpassungsverfahren für ein mehrraten-sprach- codec

Country Status (5)

Country Link
US (1) US20050267743A1 (de)
EP (1) EP1603262B1 (de)
CN (1) CN100385842C (de)
AT (1) ATE352138T1 (de)
DE (1) DE602004004376T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
SE0402372D0 (sv) * 2004-09-30 2004-09-30 Ericsson Telefon Ab L M Signal coding
CN101056466B (zh) * 2007-02-12 2010-09-08 华为技术有限公司 一种呼叫过程中调整语音编解码方式的方法及装置
TWI370656B (en) * 2007-03-27 2012-08-11 Ind Tech Res Inst Resource allocation method of subscriber of service negotiation system
FR2922064B1 (fr) * 2007-10-05 2011-04-15 Thales Sa Procede de pilotage d'antennes intelligentes au sein d'un reseau de communication
US9047863B2 (en) 2012-01-12 2015-06-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for criticality threshold control
US9953655B2 (en) * 2014-09-29 2018-04-24 Qualcomm Incorporated Optimizing frequent in-band signaling in dual SIM dual active devices by comparing signal level (RxLev) and quality (RxQual) against predetermined thresholds
US10164893B2 (en) * 2015-08-19 2018-12-25 Samsung Electronics Co., Ltd. Data transfer apparatus, data transfer controlling method and data stream
CN108702237B (zh) * 2016-08-26 2021-08-31 荣耀终端有限公司 一种编码速率的调整方法及终端
CN106888071B (zh) * 2017-02-20 2020-08-07 华为技术有限公司 一种编码速率的调整方法及装置
CN110709927B (zh) * 2017-06-07 2022-11-01 日本电信电话株式会社 编码装置、解码装置、平滑化装置、逆平滑化装置、其方法及记录介质
CN109286533B (zh) * 2017-07-20 2021-02-12 展讯通信(上海)有限公司 语音数据包的验错方法及装置、存储介质、终端
CN112420059B (zh) * 2020-10-15 2022-04-19 杭州微帧信息科技有限公司 一种结合码率分层和质量分层的音频编码量化控制的方法

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06311078A (ja) * 1992-12-28 1994-11-04 Toshiba Corp 移動無線通信装置
CA2131674A1 (en) * 1993-09-10 1995-03-11 Kalyan Ganesan High performance error control coding in channel encoders and decoders
FI94810C (fi) * 1993-10-11 1995-10-25 Nokia Mobile Phones Ltd Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
US5469471A (en) * 1994-02-01 1995-11-21 Qualcomm Incorporated Method and apparatus for providing a communication link quality indication
DE4405659C1 (de) * 1994-02-22 1995-04-06 Fraunhofer Ges Forschung Verfahren zum kaskadierten Codieren und Decodieren von Audiodaten
US5757810A (en) * 1995-11-24 1998-05-26 Telefonaktiebolaget Lm Ericsson Transmission link supervision in radiocommunication systems
US6154499A (en) * 1996-10-21 2000-11-28 Comsat Corporation Communication systems using nested coder and compatible channel coding
FI964975A7 (fi) * 1996-12-12 1998-06-13 Nokia Mobile Phones Ltd Menetelmä ja laite puheen koodaamiseksi
FI116181B (fi) * 1997-02-07 2005-09-30 Nokia Corp Virheenkorjausta ja virheentunnistusta hyödyntävä informaationkoodausm enetelmä ja laitteet
US6163571A (en) * 1998-04-24 2000-12-19 Ericsson Inc. Method for measuring received signal quality in a mobile wireless communication system
GB2339123B (en) * 1998-07-03 2003-03-26 Nec Technologies Frame erasure for digital transmission systems
US6216107B1 (en) * 1998-10-16 2001-04-10 Ericsson Inc. High-performance half-rate encoding apparatus and method for a TDM system
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
KR100366637B1 (ko) * 2000-01-28 2003-01-09 삼성전자 주식회사 에러은닉을 이용하여 통화 거리를 개선하는 디지털 무선전화 시스템 및 통화 거리 개선을 위한 음성 통신 방법
EP1126651A1 (de) * 2000-02-16 2001-08-22 Lucent Technologies Inc. Verbindungsanpassung für RT-EGPRS
US7072336B2 (en) * 2000-05-26 2006-07-04 Nortel Networks Limited Communications using adaptive multi-rate codecs
FI20001577L (fi) * 2000-06-30 2001-12-31 Nokia Mobile Phones Ltd Puheenkoodaus
EP1330914A2 (de) * 2000-10-06 2003-07-30 Motorola, Inc. Verfahren und vorrichtung zur ratenanpassung in einem sprachpaketsystem
EP1199709A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Fehlerverdeckung in Bezug auf die Dekodierung von kodierten akustischen Signalen
US7031926B2 (en) * 2000-10-23 2006-04-18 Nokia Corporation Spectral parameter substitution for the frame error concealment in a speech decoder
DE60222445T2 (de) * 2001-08-17 2008-06-12 Broadcom Corp., Irvine Verfahren zum verbergen von bitfehlern für die sprachcodierung
SE0102849D0 (sv) * 2001-08-22 2001-08-22 Ericsson Telefon Ab L M Methods and arrangements in a telecommunicaton system
ATE332597T1 (de) * 2001-08-27 2006-07-15 Nokia Corp Verfahren und system zum transfer von amr- zeichengaberahmen auf halbratenkanälen
WO2003024137A1 (en) * 2001-09-13 2003-03-20 Nokia Corporation Signal processing device and signal processing method
EP1313253A1 (de) * 2001-11-15 2003-05-21 Evolium S.A.S. Verfahren zur Fehlerdetektion in Echtzeitdatenpaketen die mindestens zwei Bitsorten mit verschiedener Relevanz tragen
FI20012555A0 (fi) * 2001-12-21 2001-12-21 Nokia Corp Laitejärjestely, solukkoverkko, menetelmä ja solukkoverkon päätelaite muuttuvapituuksisten pakettien käsittelemiseksi
KR100711989B1 (ko) * 2002-03-12 2007-05-02 노키아 코포레이션 효율적으로 개선된 스케일러블 오디오 부호화
US7321559B2 (en) * 2002-06-28 2008-01-22 Lucent Technologies Inc System and method of noise reduction in receiving wireless transmission of packetized audio signals
US6789058B2 (en) * 2002-10-15 2004-09-07 Mindspeed Technologies, Inc. Complexity resource manager for multi-channel speech processing
US20040141572A1 (en) * 2003-01-21 2004-07-22 Johnson Phillip Marc Multi-pass inband bit and channel decoding for a multi-rate receiver
AU2003222397A1 (en) * 2003-04-30 2004-11-23 Nokia Corporation Support of a multichannel audio extension
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction

Also Published As

Publication number Publication date
CN1702994A (zh) 2005-11-30
US20050267743A1 (en) 2005-12-01
CN100385842C (zh) 2008-04-30
DE602004004376D1 (de) 2007-03-08
EP1603262B1 (de) 2007-01-17
DE602004004376T2 (de) 2007-05-24
EP1603262A1 (de) 2005-12-07

Similar Documents

Publication Publication Date Title
ATE352138T1 (de) Anpassungsverfahren für ein mehrraten-sprach- codec
JP3779320B2 (ja) 信号を群符号化するための方法および装置
ES2629727T3 (es) Sistema y método para la transmisión adaptativa de parámetros de ruido de confort durante la transmisión de habla discontinua
WO2006126964A3 (en) Enhanced voip media flow quality by adapting speech encoding based on selected modulation and coding scheme (mcs)
EP3175564B1 (de) System und verfahren zur redundanzbasierten paketübertragungsfehlerkorrektur
EP1288913A2 (de) Verfahrene und Vorrichtung zur Sprachtranskodierung
ATE491272T1 (de) Ratenregelung in offener schleife für ein tdd- kommunikationssystem
US20170187635A1 (en) System and method of jitter buffer management
FI20021936A7 (fi) Vaihtuvanopeuksinen puhekoodekki
TW200503467A (en) Method and apparatus for testing a wireless link using configurable channels and rates
AU2013366552B2 (en) Comfort noise addition for modeling background noise at low bit-rates
ATE259125T1 (de) Verfahren, system und media-gateway zur optimierung der erhaltung eines sprachsignals
ATE521961T1 (de) Verfahren und einrichtung zur sprachcodierung mit niedriger bitrate
BR0315179A (pt) Método e dispositivo para codificar um sinal de fala amostrado compreendendo quadros de fala
NO20053256L (no) Forbedrede veitapsmalinger i tradlose kommunikasjoner.
EP2091040A4 (de) Dekodierungsverfahren und einrichtung
KR20000022906A (ko) 무선 통신 설비로 전송된 음성 신호의 질을 향상시키기위한 방법 및 장치
EP1997101A4 (de) Verfahren und system zum verringern der auswirkungen von geräuschproduzierenden artefakten in einem sprach-codec
HUE025931T2 (en) Adaptive framing of source signal
DE602004013067D1 (de) Verfahren und System zur Verbindungsanpassung
CN100399419C (zh) 一种检测静音帧的方法
WO2002032097A3 (en) System and method for perceptual qos-based call admission for voip, voipow, and cdma systems
US20040039566A1 (en) Condensed voice buffering, transmission and playback
WO2005091273A3 (en) Method of comfort noise generation for speech communication
ES2354024T8 (es) Procedimiento de transmisión de un flujo de información por inserción en el interior de un flujo de datos de voz, y codec paramétrico para su implementación.

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties