ATE425533T1 - Audiocodierung mit niedriger bitrate - Google Patents

Audiocodierung mit niedriger bitrate

Info

Publication number
ATE425533T1
ATE425533T1 AT04744533T AT04744533T ATE425533T1 AT E425533 T1 ATE425533 T1 AT E425533T1 AT 04744533 T AT04744533 T AT 04744533T AT 04744533 T AT04744533 T AT 04744533T AT E425533 T1 ATE425533 T1 AT E425533T1
Authority
AT
Austria
Prior art keywords
quantised
phase
low bit
frequency
bit rate
Prior art date
Application number
AT04744533T
Other languages
English (en)
Inventor
Andreas Gerrits
Brinker Albertus Den
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE425533T1 publication Critical patent/ATE425533T1/de

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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT04744533T 2003-07-18 2004-07-08 Audiocodierung mit niedriger bitrate ATE425533T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03102225 2003-07-18

Publications (1)

Publication Number Publication Date
ATE425533T1 true ATE425533T1 (de) 2009-03-15

Family

ID=34072659

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04744533T ATE425533T1 (de) 2003-07-18 2004-07-08 Audiocodierung mit niedriger bitrate

Country Status (11)

Country Link
US (1) US7640156B2 (de)
EP (1) EP1649453B1 (de)
JP (1) JP4782006B2 (de)
KR (1) KR101058064B1 (de)
CN (1) CN1826634B (de)
AT (1) ATE425533T1 (de)
BR (1) BRPI0412717A (de)
DE (1) DE602004019928D1 (de)
ES (1) ES2322264T3 (de)
RU (1) RU2368018C2 (de)
WO (1) WO2005008628A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
KR101315075B1 (ko) 2005-02-10 2013-10-08 코닌클리케 필립스 일렉트로닉스 엔.브이. 사운드 합성
EP1905008A2 (de) * 2005-07-06 2008-04-02 Koninklijke Philips Electronics N.V. Parametrische multikanal-dekodierung
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
KR20080073925A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치
KR101149448B1 (ko) * 2007-02-12 2012-05-25 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
KR101317269B1 (ko) * 2007-06-07 2013-10-14 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치
KR20090008611A (ko) * 2007-07-18 2009-01-22 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치
KR101410229B1 (ko) * 2007-08-20 2014-06-23 삼성전자주식회사 오디오 신호의 연속 정현파 신호 정보를 인코딩하는 방법및 장치와 디코딩 방법 및 장치
KR101425355B1 (ko) * 2007-09-05 2014-08-06 삼성전자주식회사 파라메트릭 오디오 부호화 및 복호화 장치와 그 방법
US9082397B2 (en) 2007-11-06 2015-07-14 Nokia Technologies Oy Encoder
KR101325760B1 (ko) * 2009-12-17 2013-11-08 한국전자통신연구원 오디오/음성 신호 처리 장치의 복부호화 장치 및 방법
CA3012134C (en) 2013-01-08 2019-10-15 Dolby International Ab Model based prediction in a critically sampled filterbank
WO2015077641A1 (en) * 2013-11-22 2015-05-28 Qualcomm Incorporated Selective phase compensation in high band coding
PL232466B1 (pl) 2015-01-19 2019-06-28 Zylia Spolka Z Ograniczona Odpowiedzialnoscia Sposób kodowania, sposób dekodowania, koder oraz dekoder sygnału audio
WO2017064264A1 (en) 2015-10-15 2017-04-20 Huawei Technologies Co., Ltd. Method and appratus for sinusoidal encoding and decoding
EP3483886A1 (de) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl einer grundfrequenz
US10957331B2 (en) 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
US10847172B2 (en) 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
KR20220054645A (ko) * 2019-09-03 2022-05-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 저지연, 저주파 효과 코덱
CN114627882B (zh) * 2022-04-12 2025-06-06 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、电子设备及计算机可读存储介质
CN116993799A (zh) * 2023-04-17 2023-11-03 中国科学院长春光学精密机械与物理研究所 一种相位展开误差校正方法、系统及终端

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
DE3943879B4 (de) * 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
CA2137926C (en) * 1993-05-05 2005-06-28 Rudolf Hofmann Transmission system comprising at least a coder
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
AU4201100A (en) * 1999-04-05 2000-10-23 Hughes Electronics Corporation Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system
KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법
KR100363259B1 (ko) * 2000-05-16 2002-11-30 삼성전자 주식회사 인지 특성 가중 함수를 이용한 음성신호의 위상 양자화장치 및 방법
WO2001099097A1 (en) * 2000-06-20 2001-12-27 Koninklijke Philips Electronics N.V. Sinusoidal coding
BR0109237A (pt) * 2001-01-16 2002-12-03 Koninkl Philips Electronics Nv Codificador paramétrico, método de codificação paramétrica, decodificador paramétrico, método de decodificação, fluxo de dados incluindo dados de código senoidais, e, meio de armazenamento
ATE330309T1 (de) * 2001-01-16 2006-07-15 Koninkl Philips Electronics Nv Verknüpfen von signalkomponenten bei der parametrischen codierung
PL365018A1 (en) * 2001-04-18 2004-12-27 Koninklijke Philips Electronics N.V. Audio coding
BR0205527A (pt) * 2001-06-08 2003-07-08 Koninkl Philips Electronics Nv Métodos para editar um sinal de áudio original, e para decodificar um fluxo de áudio, editor de áudio, reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenagem
JP2006526161A (ja) * 2003-05-27 2006-11-16 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ オーディオ符号化

Also Published As

Publication number Publication date
KR20060037375A (ko) 2006-05-03
EP1649453B1 (de) 2009-03-11
RU2006105017A (ru) 2006-06-27
RU2368018C2 (ru) 2009-09-20
CN1826634B (zh) 2010-12-01
JP2007519027A (ja) 2007-07-12
ES2322264T3 (es) 2009-06-18
US7640156B2 (en) 2009-12-29
EP1649453A1 (de) 2006-04-26
DE602004019928D1 (de) 2009-04-23
CN1826634A (zh) 2006-08-30
BRPI0412717A (pt) 2006-09-26
US20070112560A1 (en) 2007-05-17
JP4782006B2 (ja) 2011-09-28
KR101058064B1 (ko) 2011-08-22
WO2005008628A1 (en) 2005-01-27

Similar Documents

Publication Publication Date Title
ATE425533T1 (de) Audiocodierung mit niedriger bitrate
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
AU2003252727A1 (en) Audio decoding apparatus and audio decoding method based on spectral band repliction
JP2022110116A (ja) オーディオエンコーダ、オーディオデコーダ、オーディオ信号を符号化する方法、および符号化されたオーディオ信号を復号化する方法
MY203778A (en) Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
SE0400998D0 (sv) Method for representing multi-channel audio signals
TW200642298A (en) Multilevel low density parity-check coded modulation
EP1515446A4 (de) Signalcodierungsverfahren, signaldecodierungsverfahren, signalcodierungseinrichtung, signaldecodierungseinrichtung, signalcodierungsprogramm und signaldecodierungsprogramm
MX2016000943A (es) Aparato y método para codificar y decodificar una señal de audio con relleno inteligente de separaciones en el dominio espectral.
ES2150313T3 (es) Procedimiento para señalizar una sustitucion de ruido en la codificacion de una señal audio.
DE602006015294D1 (de) Mehrkanal-audiocodierung
ATE486348T1 (de) Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch
WO2005024783A8 (en) Low bit-rate audio encoding
DE60317982D1 (de) Entropische Kodierung mittels Anpassung des Kodierungsmodus zwischen Niveau- und Lauflängenniveau-Modus
DE602007012116D1 (de) Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation
MX2007003063A (es) Codificacion combinada de audio que minimiza la distorsion perceptual.
ATE474310T1 (de) Mehrkanalige audio-erweiterung
RU2016105517A (ru) Заполнение шумом при многоканальном кодировании аудио
DE60234891D1 (de) Videocodierung mit variabler Bitrate mit Minimierung der totalen Mittelverzerrung
ES2327566T3 (es) Procedimiento y dispositivo para la supresion de ruidos.
EP1367565A4 (de) Klangcodierungsvorrichtung und verfahren und klangdecodierungsvorrichtung und -verfahren
DE602004024703D1 (de) Audiocodierung
ATE303646T1 (de) Sinusoidale kodierung
FI20010532A0 (fi) Kanavakoodekkien testisilmukoita
TW200707275A (en) Method and apparatus for audio encoding and decoding

Legal Events

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