SE0202159D0 - Efficientand scalable parametric stereo coding for low bitrate applications - Google Patents
Efficientand scalable parametric stereo coding for low bitrate applicationsInfo
- Publication number
- SE0202159D0 SE0202159D0 SE0202159A SE0202159A SE0202159D0 SE 0202159 D0 SE0202159 D0 SE 0202159D0 SE 0202159 A SE0202159 A SE 0202159A SE 0202159 A SE0202159 A SE 0202159A SE 0202159 D0 SE0202159 D0 SE 0202159D0
- Authority
- SE
- Sweden
- Prior art keywords
- stereo
- coding
- efficientand
- parametric stereo
- stereo coding
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0204—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 using subband decomposition
Priority Applications (82)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
EP05017007A EP1603117B1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
EP02741611A EP1410687B1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate applications |
CNB028136462A CN1279790C (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
AT05017013T ATE456124T1 (de) | 2001-07-10 | 2002-07-10 | Adaptive steuerung eines echo-nachlaufs für die pseudo-stereo audiosynthese. |
JP2003513284A JP4447317B2 (ja) | 2001-07-10 | 2002-07-10 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
EP05017012.5A EP1603118B1 (en) | 2001-07-10 | 2002-07-10 | Receiver and method for decoding parametric stereo encoded bitstream |
EP16181505.5A EP3104367B1 (en) | 2001-07-10 | 2002-07-10 | Parametric stereo audio decoding |
ES05017007T ES2344145T3 (es) | 2001-07-10 | 2002-07-10 | Codificacion estereofonica parametrica eficaz y ampliable para aplicaciones de baja velocidad de transferencia de bits. |
DE60233835T DE60233835D1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und Skalierbare Parametrische Stereocodierung für Audiocodierungsanwendungen mit niedriger bitrate |
CN2005101099570A CN1758335B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
CN2010102129767A CN101996634B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
AT05017011T ATE499675T1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate |
CN2005101099602A CN1758338B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
AT02741611T ATE305715T1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate |
ES16181505T ES2714153T3 (es) | 2001-07-10 | 2002-07-10 | Decodificación de audio estéreo paramétrico |
CN2010101629421A CN101887724B (zh) | 2001-07-10 | 2002-07-10 | 编码功率频谱包络的解码方法 |
DE60239299T DE60239299D1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische Stereocodierung für Anwendungen mit niedriger Bitrate |
ES10174492T ES2394768T3 (es) | 2001-07-10 | 2002-07-10 | Método y receptor para la reconstrucción de alta frecuencia de una señal de audio estereofónica |
DK16181505.5T DK3104367T3 (en) | 2001-07-10 | 2002-07-10 | Parametric stereo audio decoding |
KR1020057018212A KR100666815B1 (ko) | 2001-07-10 | 2002-07-10 | 스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법 |
US10/483,453 US7382886B2 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
ES05017012.5T ES2650715T3 (es) | 2001-07-10 | 2002-07-10 | Receptor y método para decodificar flujo de datos codificado estéreofónico paramétrico |
PCT/SE2002/001372 WO2003007656A1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate applications |
KR1020057018171A KR100679376B1 (ko) | 2001-07-10 | 2002-07-10 | 스테레오 신호 또는 멀티채널 신호의 전력 스펙트럼 포락선을 인코딩 그리고 디코딩하는 방법 및 장치 |
KR1020057018180A KR100666814B1 (ko) | 2001-07-10 | 2002-07-10 | 스테레오 폭 파라미터를 보간하는 장치 및 방법, 그리고 의사 스테레오 발생기 |
KR1020047000072A KR100649299B1 (ko) | 2001-07-10 | 2002-07-10 | 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치 |
ES02741611T ES2248570T3 (es) | 2001-07-10 | 2002-07-10 | Codificacion estereofonica prametrica eficaz y ampliable para aplicaciones de baja velocidad de transferencia de bits. |
DK05017012.5T DK1603118T3 (en) | 2001-07-10 | 2002-07-10 | Receiver and method for decoding a parametric stereocoded bit stream |
EP18212610.2A EP3477640B1 (en) | 2001-07-10 | 2002-07-10 | Parametric stereo audio decoding |
DK08016926T DK2015292T3 (da) | 2001-07-10 | 2002-07-10 | Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed |
PT50170125T PT1603118T (pt) | 2001-07-10 | 2002-07-10 | Recetor e método para descodificar o fluxo de bits codificado em estéreo paramétrico |
EP08016926A EP2015292B1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
PT16181505T PT3104367T (pt) | 2001-07-10 | 2002-07-10 | Codificação de áudio em estéreo paramétrico |
EP05017013A EP1603119B1 (en) | 2001-07-10 | 2002-07-10 | Adaptive control of echo tail for pseudo stereo audio synthesis |
DE60206390T DE60206390T2 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische stereocodierung für anwendungen mit niedriger bitrate |
DE60235208T DE60235208D1 (de) | 2001-07-10 | 2002-07-10 | Adaptive Steuerung eines Echo-Nachlaufs für die Pseudo-Stereo Audiosynthese. |
CN2005101099585A CN1758336B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
ES05017013T ES2338891T3 (es) | 2001-07-10 | 2002-07-10 | Control adaptativo de cola de eco para sintesis de audio pseudoestereofonica. |
ES08016926T ES2333278T3 (es) | 2001-07-10 | 2002-07-10 | Codificacion estereofonica parametrica eficaz y ajustable a escala para aplicaciones de codificacion de audio a baja velocidad de transferencia de bits. |
EP10174492A EP2249336B1 (en) | 2001-07-10 | 2002-07-10 | Method and receiver for high frequency reconstruction of a stereo audio signal |
DK10174492.8T DK2249336T3 (da) | 2001-07-10 | 2002-07-10 | Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal |
EP05017011A EP1600945B1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
AT05017007T ATE464636T1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische stereocodierung für audiocodierungsanwendungen mit niedriger bitrate |
CN200510109959XA CN1758337B (zh) | 2001-07-10 | 2002-07-10 | 用于低比特率音频编码应用的高效可标度参数立体声编码 |
AT08016926T ATE443909T1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische stereocodierung für audiocodierungsanwendungen mit niedriger bitrate |
KR1020057018175A KR100666813B1 (ko) | 2001-07-10 | 2002-07-10 | 스테레오 신호 또는 멀티채널 신호로부터 유도된 밸런스 값을 보간하는 방법 및 장치 |
DE60236028T DE60236028D1 (de) | 2001-07-10 | 2002-07-10 | Effiziente und skalierbare parametrische Stereocodierung für Audiocodierungsanwendungen mit niedriger Bitrate |
HK04105508A HK1062624A1 (en) | 2001-07-10 | 2004-07-27 | Efficient and scalable parametric stereo coding for low bitrate applications. |
US11/237,174 US8014534B2 (en) | 2001-07-10 | 2005-09-27 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US11/237,133 US8073144B2 (en) | 2001-07-10 | 2005-09-27 | Stereo balance interpolation |
US11/237,127 US8059826B2 (en) | 2001-07-10 | 2005-09-27 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US11/238,982 US8116460B2 (en) | 2001-07-10 | 2005-09-28 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
JP2005289552A JP4786987B2 (ja) | 2001-07-10 | 2005-10-03 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2005289553A JP2006087130A (ja) | 2001-07-10 | 2005-10-03 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2005289554A JP4700467B2 (ja) | 2001-07-10 | 2005-10-03 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2005289556A JP4474347B2 (ja) | 2001-07-10 | 2005-10-03 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
HK06100060.9A HK1080979B (zh) | 2001-07-10 | 2006-01-04 | 用於低比特率音頻編碼應用高效可標度參數立體聲編碼 |
HK06100114.5A HK1080208B (zh) | 2001-07-10 | 2006-01-04 | 用於低比特率音頻編碼應用的高效可標度參數立體聲編碼 |
HK17105908.1A HK1232335A1 (zh) | 2001-07-10 | 2006-01-04 | 參數立體聲音頻解碼 |
HK06100113.6A HK1080207B (zh) | 2001-07-10 | 2006-01-04 | 接收機和用於對參數立體聲編碼的比特流進行解碼的方法 |
HK06100111.8A HK1080206B (zh) | 2001-07-10 | 2006-01-04 | 用於偽立體聲音頻合成的回聲尾部自適應控製 |
HK09101999.0A HK1124950A1 (en) | 2001-07-10 | 2009-03-03 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
JP2009156836A JP5186444B2 (ja) | 2001-07-10 | 2009-07-01 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
US12/496,926 US8081763B2 (en) | 2001-07-10 | 2009-07-02 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
JP2009241929A JP4878384B2 (ja) | 2001-07-10 | 2009-10-21 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
US12/610,193 US8243936B2 (en) | 2001-07-10 | 2009-10-30 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US12/610,186 US8605911B2 (en) | 2001-07-10 | 2009-10-30 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
JP2010236053A JP5186543B2 (ja) | 2001-07-10 | 2010-10-21 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
JP2010290917A JP5133397B2 (ja) | 2001-07-10 | 2010-12-27 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
HK10112237.6A HK1145728A1 (en) | 2001-07-10 | 2010-12-30 | Method and receiver for high frequency reconstruction of a stereo audio signal |
US13/458,492 US9218818B2 (en) | 2001-07-10 | 2012-04-27 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
JP2012104864A JP5427270B2 (ja) | 2001-07-10 | 2012-05-01 | 低ビットレートオーディオ符号化用の効率的かつスケーラブルなパラメトリックステレオ符号化 |
US14/078,456 US20140074485A1 (en) | 2001-07-10 | 2013-11-12 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US15/458,150 US9799341B2 (en) | 2001-07-10 | 2017-03-14 | Efficient and scalable parametric stereo coding for low bitrate applications |
US15/458,143 US9865271B2 (en) | 2001-07-10 | 2017-03-14 | Efficient and scalable parametric stereo coding for low bitrate applications |
US15/458,135 US9799340B2 (en) | 2001-07-10 | 2017-03-14 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US15/458,126 US9792919B2 (en) | 2001-07-10 | 2017-03-14 | Efficient and scalable parametric stereo coding for low bitrate applications |
US16/157,899 US10297261B2 (en) | 2001-07-10 | 2018-10-11 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US16/399,705 US10540982B2 (en) | 2001-07-10 | 2019-04-30 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US16/744,586 US10902859B2 (en) | 2001-07-10 | 2020-01-16 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
US17/155,372 US20210217425A1 (en) | 2001-07-10 | 2021-01-22 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0102481A SE0102481D0 (sv) | 2001-07-10 | 2001-07-10 | Parametric stereo coding for low bitrate applications |
SE0200796A SE0200796D0 (sv) | 2002-03-15 | 2002-03-15 | Parametic Stereo Coding for Low Bitrate Applications |
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0202159D0 true SE0202159D0 (sv) | 2002-07-09 |
Family
ID=27354735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
Country Status (13)
Country | Link |
---|---|
US (8) | US7382886B2 (sv) |
EP (9) | EP3104367B1 (sv) |
JP (10) | JP4447317B2 (sv) |
KR (5) | KR100679376B1 (sv) |
CN (7) | CN1279790C (sv) |
AT (5) | ATE464636T1 (sv) |
DE (5) | DE60206390T2 (sv) |
DK (4) | DK3104367T3 (sv) |
ES (7) | ES2714153T3 (sv) |
HK (8) | HK1062624A1 (sv) |
PT (2) | PT3104367T (sv) |
SE (1) | SE0202159D0 (sv) |
WO (1) | WO2003007656A1 (sv) |
Families Citing this family (188)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7660424B2 (en) | 2001-02-07 | 2010-02-09 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
JP3870193B2 (ja) | 2001-11-29 | 2007-01-17 | コーディング テクノロジーズ アクチボラゲット | 高周波再構成に用いる符号器、復号器、方法及びコンピュータプログラム |
DE60311794C5 (de) | 2002-04-22 | 2022-11-10 | Koninklijke Philips N.V. | Signalsynthese |
KR101021079B1 (ko) * | 2002-04-22 | 2011-03-14 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 파라메트릭 다채널 오디오 표현 |
SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
ATE357043T1 (de) * | 2002-10-14 | 2007-04-15 | Thomson Licensing | Verfahren zum kodieren und dekodieren von der breite einer schallquelle in einer audioszene |
KR101049751B1 (ko) | 2003-02-11 | 2011-07-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 코딩 |
FI118247B (sv) | 2003-02-26 | 2007-08-31 | Fraunhofer Ges Forschung | Förfarande för att åstadkomma ett naturligt eller modifierat utrymmesintryck i flerkanallyssning |
US7787632B2 (en) | 2003-03-04 | 2010-08-31 | Nokia Corporation | Support of a multichannel audio extension |
KR20050116828A (ko) * | 2003-03-24 | 2005-12-13 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 다채널 신호를 나타내는 주 및 부 신호의 코딩 |
DE602004005020T2 (de) * | 2003-04-17 | 2007-10-31 | Koninklijke Philips Electronics N.V. | Audiosignalsynthese |
KR100717607B1 (ko) * | 2003-04-30 | 2007-05-15 | 코딩 테크놀러지스 에이비 | 스테레오 인코딩 및 디코딩 장치와 방법 |
AU2003222397A1 (en) | 2003-04-30 | 2004-11-23 | Nokia Corporation | Support of a multichannel audio extension |
SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
FR2857552B1 (fr) * | 2003-07-11 | 2006-05-05 | France Telecom | Procede de decodage d'un signal permettant de reconstituer une scene sonore a transformation temps-frequence faible complexite, et dispositif correspondant |
FR2853804A1 (fr) * | 2003-07-11 | 2004-10-15 | France Telecom | Procede de decodage d'un signal permettant de reconstituer une scene sonore et dispositif de decodage correspondant |
US7844451B2 (en) * | 2003-09-16 | 2010-11-30 | Panasonic Corporation | Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums |
US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
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