ATE407422T1 - Bandbreitenadaptive quantisierung - Google Patents

Bandbreitenadaptive quantisierung

Info

Publication number
ATE407422T1
ATE407422T1 AT03785141T AT03785141T ATE407422T1 AT E407422 T1 ATE407422 T1 AT E407422T1 AT 03785141 T AT03785141 T AT 03785141T AT 03785141 T AT03785141 T AT 03785141T AT E407422 T1 ATE407422 T1 AT E407422T1
Authority
AT
Austria
Prior art keywords
allocated
acoustic signal
parameters
bits
type
Prior art date
Application number
AT03785141T
Other languages
English (en)
Inventor
Khaled Helmi El-Maleh
Ananthapadmanabhan Kandhadai
Sharath Manjunath
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 ATE407422T1 publication Critical patent/ATE407422T1/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
    • G10L19/002—Dynamic bit allocation
    • 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
    • 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 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
    • 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 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
    • G10L19/12—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 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
  • Optical Communication System (AREA)
AT03785141T 2002-08-08 2003-08-08 Bandbreitenadaptive quantisierung ATE407422T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE407422T1 true ATE407422T1 (de) 2008-09-15

Family

ID=31494889

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03785141T ATE407422T1 (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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US7953595B2 (en) * 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
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WO2010003563A1 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding audio samples
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
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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
CA2494956A1 (en) 2004-02-19
JP2011188510A (ja) 2011-09-22
IL166700A0 (en) 2006-01-15
JP2006510922A (ja) 2006-03-30
RU2005106296A (ru) 2005-08-27
US8090577B2 (en) 2012-01-03
JP5280480B2 (ja) 2013-09-04
EP1535277B1 (de) 2008-09-03
WO2004015689A1 (en) 2004-02-19
DE60323377D1 (de) 2008-10-16
TW200417262A (en) 2004-09-01
KR101081781B1 (ko) 2011-11-09
KR20060016071A (ko) 2006-02-21
EP1535277A1 (de) 2005-06-01
BR0313317A (pt) 2005-07-12
AU2003255247A1 (en) 2004-02-25
US20040030548A1 (en) 2004-02-12

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