PL1754222T3 - Uzależniona od energii kwantyzacja służąca do wydajnego kodowania parametrów dźwięku przestrzennego - Google Patents

Uzależniona od energii kwantyzacja służąca do wydajnego kodowania parametrów dźwięku przestrzennego

Info

Publication number
PL1754222T3
PL1754222T3 PL06724214T PL06724214T PL1754222T3 PL 1754222 T3 PL1754222 T3 PL 1754222T3 PL 06724214 T PL06724214 T PL 06724214T PL 06724214 T PL06724214 T PL 06724214T PL 1754222 T3 PL1754222 T3 PL 1754222T3
Authority
PL
Poland
Prior art keywords
channel
spatial audio
measure
efficient coding
channels
Prior art date
Application number
PL06724214T
Other languages
English (en)
Inventor
Jonas Roeden
Jonas Engdegard
Heiko Purnhagen
Jeroen Breebaart
Erik Schuijers
De Par Steven Van
Johannes Hilpert
Jürgen Herre
Original Assignee
Dolby Int Ab
Fraunhofer Ges Forschung
Koninl 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 Dolby Int Ab, Fraunhofer Ges Forschung, Koninl Philips Electronics Nv filed Critical Dolby Int Ab
Publication of PL1754222T3 publication Critical patent/PL1754222T3/pl

Links

Classifications

    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
PL06724214T 2005-04-19 2006-04-10 Uzależniona od energii kwantyzacja służąca do wydajnego kodowania parametrów dźwięku przestrzennego PL1754222T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US67294305P 2005-04-19 2005-04-19
PCT/EP2006/003284 WO2006111294A1 (en) 2005-04-19 2006-04-10 Energy dependent quantization for efficient coding of spatial audio parameters
EP06724214A EP1754222B1 (en) 2005-04-19 2006-04-10 Energy dependent quantization for efficient coding of spatial audio parameters

Publications (1)

Publication Number Publication Date
PL1754222T3 true PL1754222T3 (pl) 2008-04-30

Family

ID=36581679

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06724214T PL1754222T3 (pl) 2005-04-19 2006-04-10 Uzależniona od energii kwantyzacja służąca do wydajnego kodowania parametrów dźwięku przestrzennego

Country Status (15)

Country Link
US (1) US8054981B2 (pl)
EP (1) EP1754222B1 (pl)
JP (1) JP4521032B2 (pl)
KR (1) KR100878371B1 (pl)
CN (1) CN1993733B (pl)
AT (1) ATE378675T1 (pl)
BR (1) BRPI0605857A (pl)
DE (1) DE602006000239T2 (pl)
ES (1) ES2297825T3 (pl)
HK (1) HK1095993A1 (pl)
MY (1) MY141427A (pl)
PL (1) PL1754222T3 (pl)
RU (1) RU2376655C2 (pl)
TW (1) TWI327306B (pl)
WO (1) WO2006111294A1 (pl)

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US8352279B2 (en) 2008-09-06 2013-01-08 Huawei Technologies Co., Ltd. Efficient temporal envelope coding approach by prediction between low band signal and high band signal
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US9530422B2 (en) 2013-06-27 2016-12-27 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
TWI579831B (zh) * 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
EP3095117B1 (en) 2014-01-13 2018-08-22 Nokia Technologies Oy Multi-channel audio signal classifier
KR102482162B1 (ko) * 2014-10-01 2022-12-29 돌비 인터네셔널 에이비 오디오 인코더 및 디코더
BR112017006325B1 (pt) * 2014-10-02 2023-12-26 Dolby International Ab Método de decodificação e decodificador para o realce de diálogo
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
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EP3874492B1 (en) * 2018-10-31 2023-12-06 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
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Also Published As

Publication number Publication date
EP1754222A1 (en) 2007-02-21
JP4521032B2 (ja) 2010-08-11
WO2006111294A1 (en) 2006-10-26
KR100878371B1 (ko) 2009-01-15
EP1754222B1 (en) 2007-11-14
DE602006000239D1 (de) 2007-12-27
JP2008517339A (ja) 2008-05-22
HK1095993A1 (en) 2007-05-25
CN1993733A (zh) 2007-07-04
MY141427A (en) 2010-04-30
CN1993733B (zh) 2010-12-08
DE602006000239T2 (de) 2008-09-18
US8054981B2 (en) 2011-11-08
TW200703238A (en) 2007-01-16
ES2297825T3 (es) 2008-05-01
KR20070062502A (ko) 2007-06-15
BRPI0605857A (pt) 2007-12-18
US20070016416A1 (en) 2007-01-18
RU2376655C2 (ru) 2009-12-20
ATE378675T1 (de) 2007-11-15
TWI327306B (en) 2010-07-11
RU2007106874A (ru) 2008-08-27

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