PT3471096T - Codificação de posições de picos espectrais - Google Patents

Codificação de posições de picos espectrais

Info

Publication number
PT3471096T
PT3471096T PT182098822T PT18209882T PT3471096T PT 3471096 T PT3471096 T PT 3471096T PT 182098822 T PT182098822 T PT 182098822T PT 18209882 T PT18209882 T PT 18209882T PT 3471096 T PT3471096 T PT 3471096T
Authority
PT
Portugal
Prior art keywords
coding
peak positions
spectral peak
spectral
positions
Prior art date
Application number
PT182098822T
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PT3471096T publication Critical patent/PT3471096T/pt

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
    • G10L19/02Speech 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
    • 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031Fixed length to variable length coding

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)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PT182098822T 2013-10-18 2014-10-10 Codificação de posições de picos espectrais PT3471096T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361892652P 2013-10-18 2013-10-18

Publications (1)

Publication Number Publication Date
PT3471096T true PT3471096T (pt) 2020-07-06

Family

ID=51868288

Family Applications (2)

Application Number Title Priority Date Filing Date
PT147956908T PT3058567T (pt) 2013-10-18 2014-10-10 Codificação de posições de picos espectrais
PT182098822T PT3471096T (pt) 2013-10-18 2014-10-10 Codificação de posições de picos espectrais

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT147956908T PT3058567T (pt) 2013-10-18 2014-10-10 Codificação de posições de picos espectrais

Country Status (18)

Country Link
US (3) US9997165B2 (pt)
EP (3) EP3058567B1 (pt)
JP (3) JP6181863B2 (pt)
KR (3) KR101782278B1 (pt)
CN (3) CN110910894B (pt)
AU (3) AU2014337410B2 (pt)
BR (1) BR112016007515B1 (pt)
CA (1) CA2927877C (pt)
DK (1) DK3058567T3 (pt)
ES (3) ES2716756T3 (pt)
MX (3) MX350815B (pt)
MY (1) MY176776A (pt)
PL (3) PL3226242T3 (pt)
PT (2) PT3058567T (pt)
RU (3) RU2750644C2 (pt)
TR (1) TR201901696T4 (pt)
WO (1) WO2015057135A1 (pt)
ZA (2) ZA201801760B (pt)

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Also Published As

Publication number Publication date
AU2017203091A1 (en) 2017-06-01
RU2750644C2 (ru) 2021-06-30
CN110910894B (zh) 2023-03-24
EP3058567B1 (en) 2017-06-07
EP3471096A1 (en) 2019-04-17
CN110767241B (zh) 2023-04-21
MX350815B (es) 2017-09-21
CN110767241A (zh) 2020-02-07
PL3058567T3 (pl) 2017-11-30
MX368569B (es) 2019-10-08
CA2927877A1 (en) 2015-04-23
DK3058567T3 (en) 2017-08-21
ES2814601T3 (es) 2021-03-29
JP2019124947A (ja) 2019-07-25
US10796705B2 (en) 2020-10-06
CA2927877C (en) 2017-06-13
ZA201801760B (en) 2019-07-31
EP3226242B1 (en) 2018-12-19
CN105849803B (zh) 2019-10-15
JP2016533515A (ja) 2016-10-27
US20180247658A1 (en) 2018-08-30
AU2014337410A1 (en) 2016-05-12
CN105849803A (zh) 2016-08-10
JP6181863B2 (ja) 2017-08-16
RU2635876C1 (ru) 2017-11-16
BR112016007515B1 (pt) 2021-11-16
ZA201901522B (en) 2020-09-30
MX2016004448A (es) 2016-07-05
US20210050027A1 (en) 2021-02-18
AU2019201596A1 (en) 2019-04-04
PL3471096T3 (pl) 2020-11-16
EP3058567A1 (en) 2016-08-24
AU2019201596B2 (en) 2021-02-11
KR101782278B1 (ko) 2017-10-23
MX2019011955A (es) 2019-10-30
WO2015057135A1 (en) 2015-04-23
JP6486420B2 (ja) 2019-03-20
PT3058567T (pt) 2017-07-27
JP6698897B2 (ja) 2020-05-27
KR20170105129A (ko) 2017-09-18
TR201901696T4 (tr) 2019-02-21
RU2017138252A3 (pt) 2020-12-07
KR101870594B1 (ko) 2018-06-22
KR20160070148A (ko) 2016-06-17
ES2716756T3 (es) 2019-06-14
AU2014337410B2 (en) 2017-02-23
US9997165B2 (en) 2018-06-12
US20160225378A1 (en) 2016-08-04
JP2018022148A (ja) 2018-02-08
RU2765886C1 (ru) 2022-02-04
EP3471096B1 (en) 2020-05-27
ES2638201T3 (es) 2017-10-19
BR112016007515A2 (pt) 2017-08-01
RU2017138252A (ru) 2019-02-11
AU2017203091B2 (en) 2018-12-20
EP3226242A1 (en) 2017-10-04
PL3226242T3 (pl) 2019-06-28
KR20180071390A (ko) 2018-06-27
CN110910894A (zh) 2020-03-24
KR101940464B1 (ko) 2019-01-18
MY176776A (en) 2020-08-21

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