NL1030280A1 - Werkwijze en inrichting voor het coderen en decoderen van een audiosignaal. - Google Patents

Werkwijze en inrichting voor het coderen en decoderen van een audiosignaal.

Info

Publication number
NL1030280A1
NL1030280A1 NL1030280A NL1030280A NL1030280A1 NL 1030280 A1 NL1030280 A1 NL 1030280A1 NL 1030280 A NL1030280 A NL 1030280A NL 1030280 A NL1030280 A NL 1030280A NL 1030280 A1 NL1030280 A1 NL 1030280A1
Authority
NL
Netherlands
Prior art keywords
decoding
coding
audio signal
audio
signal
Prior art date
Application number
NL1030280A
Other languages
English (en)
Other versions
NL1030280C2 (nl
Inventor
Yoon-Hark Oh
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1030280A1 publication Critical patent/NL1030280A1/nl
Application granted granted Critical
Publication of NL1030280C2 publication Critical patent/NL1030280C2/nl

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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L21/04—Time compression or expansion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NL1030280A 2004-10-26 2005-10-26 Werkwijze en inrichting voor het coderen en decoderen van een audiosignaal. NL1030280C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20040085806 2004-10-26
KR1020040085806A KR100750115B1 (ko) 2004-10-26 2004-10-26 오디오 신호 부호화 및 복호화 방법 및 그 장치

Publications (2)

Publication Number Publication Date
NL1030280A1 true NL1030280A1 (nl) 2006-04-27
NL1030280C2 NL1030280C2 (nl) 2009-09-30

Family

ID=36317457

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1030280A NL1030280C2 (nl) 2004-10-26 2005-10-26 Werkwijze en inrichting voor het coderen en decoderen van een audiosignaal.

Country Status (5)

Country Link
US (1) US20060100885A1 (nl)
JP (1) JP2006126826A (nl)
KR (1) KR100750115B1 (nl)
CN (1) CN1767394A (nl)
NL (1) NL1030280C2 (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070036228A1 (en) * 2005-08-12 2007-02-15 Via Technologies Inc. Method and apparatus for audio encoding and decoding
US8155972B2 (en) * 2005-10-05 2012-04-10 Texas Instruments Incorporated Seamless audio speed change based on time scale modification
KR20080072223A (ko) * 2007-02-01 2008-08-06 삼성전자주식회사 파라메트릭 부/복호화 방법 및 이를 위한 장치
KR101380170B1 (ko) * 2007-08-31 2014-04-02 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
MX2010009932A (es) 2008-03-10 2010-11-30 Fraunhofer Ges Forschung Metodo y dispositivo para manipular una señal de audio que tiene un evento transitorio.
PT2146344T (pt) * 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável
KR101211683B1 (ko) * 2008-12-31 2012-12-12 에스케이하이닉스 주식회사 반도체 집적회로
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
KR102422794B1 (ko) * 2015-09-04 2022-07-20 삼성전자주식회사 재생지연 조절 방법 및 장치와 시간축 변형방법 및 장치
CN107135443B (zh) * 2017-03-29 2020-06-23 联想(北京)有限公司 一种信号处理方法及电子设备
CN107424620B (zh) * 2017-07-27 2020-12-01 苏州科达科技股份有限公司 一种音频解码方法和装置
US10854209B2 (en) * 2017-10-03 2020-12-01 Qualcomm Incorporated Multi-stream audio coding
US11627361B2 (en) * 2019-10-14 2023-04-11 Meta Platforms, Inc. Method to acoustically detect a state of an external media device using an identification signal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189701A (en) * 1991-10-25 1993-02-23 Micom Communications Corp. Voice coder/decoder and methods of coding/decoding
US5920840A (en) * 1995-02-28 1999-07-06 Motorola, Inc. Communication system and method using a speaker dependent time-scaling technique
TW419645B (en) * 1996-05-24 2001-01-21 Koninkl Philips Electronics Nv A method for coding Human speech and an apparatus for reproducing human speech so coded
CA2242610C (en) * 1996-11-11 2003-01-28 Matsushita Electric Industrial Co., Ltd. Sound reproducing speed converter
JP3017715B2 (ja) * 1997-10-31 2000-03-13 松下電器産業株式会社 音声再生装置
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
JP3430968B2 (ja) * 1999-05-06 2003-07-28 ヤマハ株式会社 ディジタル信号の時間軸圧伸方法及び装置
ATE338333T1 (de) * 2001-04-05 2006-09-15 Koninkl Philips Electronics Nv Zeitskalenmodifikation von signalen mit spezifischem verfahren je nach ermitteltem signaltyp
EP1386312B1 (en) * 2001-05-10 2008-02-20 Dolby Laboratories Licensing Corporation Improving transient performance of low bit rate audio coding systems by reducing pre-noise
DE60204039T2 (de) * 2001-11-02 2006-03-02 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur kodierung und dekodierung von audiosignalen
US7065485B1 (en) * 2002-01-09 2006-06-20 At&T Corp Enhancing speech intelligibility using variable-rate time-scale modification
KR100462615B1 (ko) * 2002-07-11 2004-12-20 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
KR100501930B1 (ko) * 2002-11-29 2005-07-18 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
US6982377B2 (en) * 2003-12-18 2006-01-03 Texas Instruments Incorporated Time-scale modification of music signals based on polyphase filterbanks and constrained time-domain processing

Also Published As

Publication number Publication date
NL1030280C2 (nl) 2009-09-30
JP2006126826A (ja) 2006-05-18
CN1767394A (zh) 2006-05-03
US20060100885A1 (en) 2006-05-11
KR20060036724A (ko) 2006-05-02
KR100750115B1 (ko) 2007-08-21

Similar Documents

Publication Publication Date Title
NL1030280A1 (nl) Werkwijze en inrichting voor het coderen en decoderen van een audiosignaal.
NL1032500A1 (nl) Apparaat en werkwijze voor het opheffen van een vocale component in een audiosignaal.
NL1031057A1 (nl) Werkwijze en inrichting voor het coderen en decoderen van een stereobeeld.
EP1905003A4 (en) METHOD AND DEVICE FOR DECODING AUDIO SIGNALS
EP1946297A4 (en) METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL
NL1031698A1 (nl) Werkwijze en inrichting voor het verbeteren van kwaliteit van samengesteld videosignaal en werkwijze en inrichting voor het decoderen van samengesteld videosignaal.
PL1735779T3 (pl) Urządzenie kodujące, dekodujące, sposoby z nimi powiązane oraz powiązany system audio
BRPI0718614A2 (pt) Método e aparelho para decodificar sinal de áudio.
EP1749420A4 (en) AUDIO APPARATUS AND METHOD
EP1926083A4 (en) AUDIOCODING DEVICE AND AUDIOCODING METHOD
EP1913577A4 (en) DEVICE FOR CODING AND DECODING AN AUDIO SIGNAL AND METHOD THEREFOR
HK1123623A1 (en) Apparatus for encoding and decoding audio signal and method thereof
HK1126071A1 (en) Method and apparatus for processing audio signal
EP1814358A4 (en) AUDIO SIGNAL PROCESSING DEVICE AND AUDIO SIGNAL PROCESSING METHOD
ZA200703205B (en) Method and apparatus for audio signal enhancement
EP1876586A4 (en) AUDIOCODING DEVICE AND AUDIOCODING METHOD
EP1920438A4 (en) METHOD FOR PRODUCING A CODED AUDIO SIGNAL AND METHOD FOR PROCESSING AN AUDIO SIGNAL
NL1029428A1 (nl) Werkwijze en inrichting voor het schaalbaar coderen en decoderen van video.
EP1960999A4 (en) METHOD, SUPPORT AND DEVICE FOR ENCODING AND / OR DECODING AN AUDIO SIGNAL
NL1030748A1 (nl) Werkwijze en inrichting voor het opnemen van een signaal gebruikmakend van een bundelvormingsalgoritme.
HK1097662A1 (en) Method and apparatus for preserving an audio signal
EP1949369A4 (en) METHOD AND DEVICE FOR CODING / DECODING AUDIO DATA AND EXPANSION DATA
EP1699043A4 (en) METHOD AND DEVICE FOR DECODING SIGNALS
HK1119823A1 (en) Method and apparatus for decoding an audio signal
EP1933305A4 (en) AUDIO CODING DEVICE AND AUDIO CODING METHOD

Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20090729

PD2B A search report has been drawn up
V1 Lapsed because of non-payment of the annual fee

Effective date: 20100501