SG11201601637PA - Adaptive bandwidth extension and apparatus for the same - Google Patents

Adaptive bandwidth extension and apparatus for the same

Info

Publication number
SG11201601637PA
SG11201601637PA SG11201601637PA SG11201601637PA SG11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA SG 11201601637P A SG11201601637P A SG 11201601637PA
Authority
SG
Singapore
Prior art keywords
same
bandwidth extension
adaptive bandwidth
adaptive
extension
Prior art date
Application number
SG11201601637PA
Other languages
English (en)
Inventor
Yang Gao
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11201601637PA publication Critical patent/SG11201601637PA/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SG11201601637PA 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same SG11201601637PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361875690P 2013-09-10 2013-09-10
US14/478,839 US9666202B2 (en) 2013-09-10 2014-09-05 Adaptive bandwidth extension and apparatus for the same
PCT/CN2014/086135 WO2015035896A1 (en) 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same

Publications (1)

Publication Number Publication Date
SG11201601637PA true SG11201601637PA (en) 2016-04-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201601637PA SG11201601637PA (en) 2013-09-10 2014-09-09 Adaptive bandwidth extension and apparatus for the same

Country Status (15)

Country Link
US (2) US9666202B2 (enrdf_load_stackoverflow)
EP (4) EP4258261B1 (enrdf_load_stackoverflow)
JP (1) JP6336086B2 (enrdf_load_stackoverflow)
KR (2) KR101871644B1 (enrdf_load_stackoverflow)
CN (2) CN105637583B (enrdf_load_stackoverflow)
AU (1) AU2014320881B2 (enrdf_load_stackoverflow)
BR (1) BR112016005111B1 (enrdf_load_stackoverflow)
CA (1) CA2923218C (enrdf_load_stackoverflow)
ES (2) ES2644967T3 (enrdf_load_stackoverflow)
MX (1) MX356721B (enrdf_load_stackoverflow)
MY (1) MY192508A (enrdf_load_stackoverflow)
PL (1) PL3301674T3 (enrdf_load_stackoverflow)
RU (1) RU2641224C2 (enrdf_load_stackoverflow)
SG (1) SG11201601637PA (enrdf_load_stackoverflow)
WO (1) WO2015035896A1 (enrdf_load_stackoverflow)

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EP3039676A4 (en) 2016-09-07
EP3039676A1 (en) 2016-07-06
US9666202B2 (en) 2017-05-30
RU2016113288A (ru) 2017-10-16
EP4546337A2 (en) 2025-04-30
AU2014320881A1 (en) 2016-04-07
BR112016005111B1 (pt) 2022-07-12
CN107393552B (zh) 2019-01-18
CN105637583B (zh) 2017-08-29
CA2923218C (en) 2017-12-05
JP2016535873A (ja) 2016-11-17
CN107393552A (zh) 2017-11-24
EP4258261A2 (en) 2023-10-11
CA2923218A1 (en) 2015-03-19
AU2014320881B2 (en) 2017-05-25
US20170221498A1 (en) 2017-08-03
EP4546337A3 (en) 2025-05-28
KR20160050071A (ko) 2016-05-10
CN105637583A (zh) 2016-06-01
ES3020834T3 (en) 2025-05-23
EP3039676B1 (en) 2017-09-06
EP4258261B1 (en) 2025-01-22
MY192508A (en) 2022-08-24
JP6336086B2 (ja) 2018-06-06
KR101785885B1 (ko) 2017-10-16
EP3301674A1 (en) 2018-04-04
ES2644967T3 (es) 2017-12-01
MX356721B (es) 2018-06-11
EP3301674B1 (en) 2023-08-30
WO2015035896A1 (en) 2015-03-19
US20150073784A1 (en) 2015-03-12
HK1220541A1 (zh) 2017-05-05
US10249313B2 (en) 2019-04-02
KR20170117207A (ko) 2017-10-20
MX2016003074A (es) 2016-05-31
RU2641224C2 (ru) 2018-01-16
KR101871644B1 (ko) 2018-06-26
BR112016005111A2 (enrdf_load_stackoverflow) 2017-08-01
PL3301674T3 (pl) 2024-03-04
EP4258261A3 (en) 2023-12-20

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