HK1113848A1 - Systems, methods, and apparatus for wideband speech coding - Google Patents

Systems, methods, and apparatus for wideband speech coding

Info

Publication number
HK1113848A1
HK1113848A1 HK08109568.5A HK08109568A HK1113848A1 HK 1113848 A1 HK1113848 A1 HK 1113848A1 HK 08109568 A HK08109568 A HK 08109568A HK 1113848 A1 HK1113848 A1 HK 1113848A1
Authority
HK
Hong Kong
Prior art keywords
highband
encoder
wideband speech
signal
narrowband
Prior art date
Application number
HK08109568.5A
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=HK1113848(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 HK1113848A1 publication Critical patent/HK1113848A1/xx

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
    • G10L19/02—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
    • G10L21/0208—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
    • 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)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (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)
  • Control Of Amplification And Gain Control (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Control Of Eletrric Generators (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Image Analysis (AREA)
  • Amplitude Modulation (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Air Conditioning Control Device (AREA)
  • Telephonic Communication Services (AREA)
  • Peptides Or Proteins (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filters And Equalizers (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtration Of Liquid (AREA)
  • Transmitters (AREA)
HK08109568.5A 2005-04-01 2008-08-28 Systems, methods, and apparatus for wideband speech coding HK1113848A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66790105P 2005-04-01 2005-04-01
US67396505P 2005-04-22 2005-04-22
PCT/US2006/012235 WO2006107840A1 (en) 2005-04-01 2006-04-03 Systems, methods, and apparatus for wideband speech coding

Publications (1)

Publication Number Publication Date
HK1113848A1 true HK1113848A1 (en) 2008-10-17

Family

ID=36588741

Family Applications (5)

Application Number Title Priority Date Filing Date
HK08109568.5A HK1113848A1 (en) 2005-04-01 2008-08-28 Systems, methods, and apparatus for wideband speech coding
HK08110384.5A HK1115023A1 (en) 2005-04-01 2008-09-19 Methods and apparatus for encoding and decoding an highband portion of a speech signal
HK08110465.7A HK1114901A1 (en) 2005-04-01 2008-09-22 Systems, methods, and apparatus for highband excitation generation
HK12110024.5A HK1169509A1 (en) 2005-04-01 2008-09-24 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
HK08110589.8A HK1115024A1 (en) 2005-04-01 2008-09-24 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal

Family Applications After (4)

Application Number Title Priority Date Filing Date
HK08110384.5A HK1115023A1 (en) 2005-04-01 2008-09-19 Methods and apparatus for encoding and decoding an highband portion of a speech signal
HK08110465.7A HK1114901A1 (en) 2005-04-01 2008-09-22 Systems, methods, and apparatus for highband excitation generation
HK12110024.5A HK1169509A1 (en) 2005-04-01 2008-09-24 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
HK08110589.8A HK1115024A1 (en) 2005-04-01 2008-09-24 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal

Country Status (24)

Country Link
US (8) US8069040B2 (ru)
EP (8) EP1869670B1 (ru)
JP (8) JP5129117B2 (ru)
KR (8) KR100982638B1 (ru)
CN (1) CN102411935B (ru)
AT (4) ATE492016T1 (ru)
AU (8) AU2006232364B2 (ru)
BR (8) BRPI0607690A8 (ru)
CA (8) CA2603255C (ru)
DE (4) DE602006018884D1 (ru)
DK (2) DK1864282T3 (ru)
ES (3) ES2636443T3 (ru)
HK (5) HK1113848A1 (ru)
IL (8) IL186442A (ru)
MX (8) MX2007012184A (ru)
NO (7) NO20075503L (ru)
NZ (6) NZ562182A (ru)
PL (4) PL1866915T3 (ru)
PT (2) PT1864101E (ru)
RU (9) RU2413191C2 (ru)
SG (4) SG163556A1 (ru)
SI (1) SI1864282T1 (ru)
TW (8) TWI321777B (ru)
WO (8) WO2006107840A1 (ru)

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