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SG163556A1 - Systems, methods, and apparatus for wideband speech coding - Google Patents

Systems, methods, and apparatus for wideband speech coding

Info

Publication number
SG163556A1
SG163556A1 SG201004744-7A SG2010047447A SG163556A1 SG 163556 A1 SG163556 A1 SG 163556A1 SG 2010047447 A SG2010047447 A SG 2010047447A SG 163556 A1 SG163556 A1 SG 163556A1
Authority
SG
Singapore
Prior art keywords
highband
encoder
wideband speech
signal
narrowband
Prior art date
Application number
SG201004744-7A
Other languages
English (en)
Inventor
Koen Bernard Vos
Ananthapadmanabhan A Kandhadai
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36588741&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG163556(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG163556A1 publication Critical patent/SG163556A1/en

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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L19/16—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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Control Of Eletrric Generators (AREA)
  • Amplitude Modulation (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Image Analysis (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtration Of Liquid (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Filters And Equalizers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Air Conditioning Control Device (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Telephonic Communication Services (AREA)
  • Transmitters (AREA)
SG201004744-7A 2005-04-01 2006-04-03 Systems, methods, and apparatus for wideband speech coding SG163556A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66790105P 2005-04-01 2005-04-01
US67396505P 2005-04-22 2005-04-22

Publications (1)

Publication Number Publication Date
SG163556A1 true SG163556A1 (en) 2010-08-30

Family

ID=36588741

Family Applications (4)

Application Number Title Priority Date Filing Date
SG201004744-7A SG163556A1 (en) 2005-04-01 2006-04-03 Systems, methods, and apparatus for wideband speech coding
SG201002303-4A SG161224A1 (en) 2005-04-01 2006-04-03 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
SG201002300-0A SG161223A1 (en) 2005-04-01 2006-04-03 Method and apparatus for vector quantizing of a spectral envelope representation
SG201004741-3A SG163555A1 (en) 2005-04-01 2006-04-03 Systems, methods, and apparatus for highband burst suppression

Family Applications After (3)

Application Number Title Priority Date Filing Date
SG201002303-4A SG161224A1 (en) 2005-04-01 2006-04-03 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
SG201002300-0A SG161223A1 (en) 2005-04-01 2006-04-03 Method and apparatus for vector quantizing of a spectral envelope representation
SG201004741-3A SG163555A1 (en) 2005-04-01 2006-04-03 Systems, methods, and apparatus for highband burst suppression

Country Status (24)

Country Link
US (8) US8364494B2 (zh)
EP (8) EP1869673B1 (zh)
JP (8) JP5203929B2 (zh)
KR (8) KR101019940B1 (zh)
CN (1) CN102411935B (zh)
AT (4) ATE485582T1 (zh)
AU (8) AU2006232360B2 (zh)
BR (8) BRPI0608305B1 (zh)
CA (8) CA2603231C (zh)
DE (4) DE602006018884D1 (zh)
DK (2) DK1864101T3 (zh)
ES (3) ES2391292T3 (zh)
HK (5) HK1113848A1 (zh)
IL (8) IL186439A0 (zh)
MX (8) MX2007012189A (zh)
NO (7) NO20075503L (zh)
NZ (6) NZ562186A (zh)
PL (4) PL1866915T3 (zh)
PT (2) PT1864282T (zh)
RU (9) RU2381572C2 (zh)
SG (4) SG163556A1 (zh)
SI (1) SI1864282T1 (zh)
TW (8) TWI324335B (zh)
WO (8) WO2006107834A1 (zh)

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PL1864282T3 (pl) 2017-10-31
RU2007140429A (ru) 2009-05-20
NZ562183A (en) 2010-09-30
KR20070118174A (ko) 2007-12-13
AU2006232358B2 (en) 2010-11-25
RU2007140426A (ru) 2009-05-10
EP1864283A1 (en) 2007-12-12

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