DE60323377D1 - Bandbreitenadaptive quantisierung - Google Patents

Bandbreitenadaptive quantisierung

Info

Publication number
DE60323377D1
DE60323377D1 DE60323377T DE60323377T DE60323377D1 DE 60323377 D1 DE60323377 D1 DE 60323377D1 DE 60323377 T DE60323377 T DE 60323377T DE 60323377 T DE60323377 T DE 60323377T DE 60323377 D1 DE60323377 D1 DE 60323377D1
Authority
DE
Germany
Prior art keywords
allocated
acoustic signal
parameters
bits
type
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60323377T
Other languages
English (en)
Inventor
Khaled Helmi El-Maleh
Ananthapadmanabhan A Kandhadai
Sharath Manjunath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60323377D1 publication Critical patent/DE60323377D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/0208—Subband vocoders
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
DE60323377T 2002-08-08 2003-08-08 Bandbreitenadaptive quantisierung Expired - Lifetime DE60323377D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/215,533 US8090577B2 (en) 2002-08-08 2002-08-08 Bandwidth-adaptive quantization
PCT/US2003/025034 WO2004015689A1 (en) 2002-08-08 2003-08-08 Bandwidth-adaptive quantization

Publications (1)

Publication Number Publication Date
DE60323377D1 true DE60323377D1 (de) 2008-10-16

Family

ID=31494889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60323377T Expired - Lifetime DE60323377D1 (de) 2002-08-08 2003-08-08 Bandbreitenadaptive quantisierung

Country Status (13)

Country Link
US (1) US8090577B2 (de)
EP (1) EP1535277B1 (de)
JP (2) JP2006510922A (de)
KR (1) KR101081781B1 (de)
AT (1) ATE407422T1 (de)
AU (1) AU2003255247A1 (de)
BR (1) BR0313317A (de)
CA (1) CA2494956A1 (de)
DE (1) DE60323377D1 (de)
IL (1) IL166700A0 (de)
RU (1) RU2005106296A (de)
TW (1) TW200417262A (de)
WO (1) WO2004015689A1 (de)

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US8532984B2 (en) 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
US7966175B2 (en) * 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
CN101335004B (zh) * 2007-11-02 2010-04-21 华为技术有限公司 一种多级量化的方法及装置
PL2311032T3 (pl) 2008-07-11 2016-06-30 Fraunhofer Ges Forschung Koder i dekoder audio do kodowania i dekodowania próbek audio
US7889721B2 (en) 2008-10-13 2011-02-15 General Instrument Corporation Selecting an adaptor mode and communicating data based on the selected adaptor mode
RU2523035C2 (ru) * 2008-12-15 2014-07-20 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аудио кодер и декодер, увеличивающий полосу частот
PL4053838T3 (pl) 2008-12-15 2023-11-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
MX354812B (es) * 2011-04-21 2018-03-22 Samsung Electronics Co Ltd Método para cuantificar coeficientes de codificación predictiva lineal, método de codificación de sonido, método para decuantificar coeficientes de codificación predictiva lineal, método de decodificación de sonido y medio de grabación.
BR122021000241B1 (pt) * 2011-04-21 2022-08-30 Samsung Electronics Co., Ltd Aparelho de quantização de coeficientes de codificação preditiva linear
BR112015018050B1 (pt) 2013-01-29 2021-02-23 Fraunhofer-Gesellschaft zur Förderung der Angewandten ForschungE.V. Quantização de sinal de áudio de tonalidade adaptativa de baixacomplexidade
WO2015069177A1 (en) * 2013-11-07 2015-05-14 Telefonaktiebolaget L M Ericsson (Publ) Methods and devices for vector segmentation for coding
US11704312B2 (en) * 2021-08-19 2023-07-18 Microsoft Technology Licensing, Llc Conjunctive filtering with embedding models

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Also Published As

Publication number Publication date
IL166700A0 (en) 2006-01-15
WO2004015689A1 (en) 2004-02-19
ATE407422T1 (de) 2008-09-15
TW200417262A (en) 2004-09-01
JP2011188510A (ja) 2011-09-22
BR0313317A (pt) 2005-07-12
US20040030548A1 (en) 2004-02-12
US8090577B2 (en) 2012-01-03
AU2003255247A1 (en) 2004-02-25
JP5280480B2 (ja) 2013-09-04
KR101081781B1 (ko) 2011-11-09
RU2005106296A (ru) 2005-08-27
JP2006510922A (ja) 2006-03-30
EP1535277A1 (de) 2005-06-01
EP1535277B1 (de) 2008-09-03
KR20060016071A (ko) 2006-02-21
CA2494956A1 (en) 2004-02-19

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