PT2939235T - Quantização de sinal de áudio de tonalidade adaptativa de baixa complexidade - Google Patents

Quantização de sinal de áudio de tonalidade adaptativa de baixa complexidade

Info

Publication number
PT2939235T
PT2939235T PT147015580T PT14701558T PT2939235T PT 2939235 T PT2939235 T PT 2939235T PT 147015580 T PT147015580 T PT 147015580T PT 14701558 T PT14701558 T PT 14701558T PT 2939235 T PT2939235 T PT 2939235T
Authority
PT
Portugal
Prior art keywords
tonality
complexity
low
audio signal
adaptive audio
Prior art date
Application number
PT147015580T
Other languages
English (en)
Inventor
Dietz Martin
Fuchs Guillaume
Helmrich Christian
Markovic Goran
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PT2939235T publication Critical patent/PT2939235T/pt

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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/555—Tonality processing, involving the key in which a musical piece or melody is played
    • G10H2210/561—Changing the tonality within a musical piece
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PT147015580T 2013-01-29 2014-01-28 Quantização de sinal de áudio de tonalidade adaptativa de baixa complexidade PT2939235T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361758191P 2013-01-29 2013-01-29

Publications (1)

Publication Number Publication Date
PT2939235T true PT2939235T (pt) 2017-02-07

Family

ID=50023575

Family Applications (1)

Application Number Title Priority Date Filing Date
PT147015580T PT2939235T (pt) 2013-01-29 2014-01-28 Quantização de sinal de áudio de tonalidade adaptativa de baixa complexidade

Country Status (19)

Country Link
US (3) US10468043B2 (pt)
EP (1) EP2939235B1 (pt)
JP (3) JP6334564B2 (pt)
KR (1) KR101757341B1 (pt)
CN (2) CN105103226B (pt)
AR (1) AR095087A1 (pt)
AU (1) AU2014211539B2 (pt)
BR (1) BR112015018050B1 (pt)
CA (1) CA2898789C (pt)
ES (1) ES2613651T3 (pt)
MX (1) MX346732B (pt)
MY (1) MY172848A (pt)
PL (1) PL2939235T3 (pt)
PT (1) PT2939235T (pt)
RU (1) RU2621003C2 (pt)
SG (1) SG11201505922XA (pt)
TW (1) TWI524331B (pt)
WO (1) WO2014118171A1 (pt)
ZA (1) ZA201506319B (pt)

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CN113539281B (zh) 2020-04-21 2024-09-06 华为技术有限公司 音频信号编码方法和装置
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WO2022119304A1 (ko) * 2020-12-01 2022-06-09 현대자동차주식회사 적응적 데드존 양자화를 이용하는 포인트 클라우드 코딩 장치 및 방법
CN118395096B (zh) * 2024-06-27 2024-09-17 江西飞尚科技有限公司 信号频率修正、装置、可读存储介质及电子设备

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Also Published As

Publication number Publication date
CN105103226B (zh) 2019-04-16
TWI524331B (zh) 2016-03-01
MX2015009753A (es) 2015-11-06
RU2621003C2 (ru) 2017-05-30
US10468043B2 (en) 2019-11-05
AU2014211539A1 (en) 2015-09-17
CA2898789C (en) 2017-12-05
EP2939235B1 (en) 2016-11-16
AU2014211539B2 (en) 2017-04-20
MX346732B (es) 2017-03-30
JP2017151454A (ja) 2017-08-31
US20200090671A1 (en) 2020-03-19
TW201440039A (zh) 2014-10-16
JP6526091B2 (ja) 2019-06-05
KR20150118954A (ko) 2015-10-23
CN105103226A (zh) 2015-11-25
CN110047499B (zh) 2023-08-29
JP2019164367A (ja) 2019-09-26
US11094332B2 (en) 2021-08-17
MY172848A (en) 2019-12-12
HK1216263A1 (en) 2016-10-28
JP2016510426A (ja) 2016-04-07
CA2898789A1 (en) 2014-08-07
WO2014118171A1 (en) 2014-08-07
JP6979048B2 (ja) 2021-12-08
AR095087A1 (es) 2015-09-30
ZA201506319B (en) 2016-07-27
US20210366499A1 (en) 2021-11-25
ES2613651T3 (es) 2017-05-25
SG11201505922XA (en) 2015-08-28
KR101757341B1 (ko) 2017-07-14
US20160027448A1 (en) 2016-01-28
BR112015018050A2 (pt) 2017-07-18
EP2939235A1 (en) 2015-11-04
JP6334564B2 (ja) 2018-05-30
BR112015018050B1 (pt) 2021-02-23
CN110047499A (zh) 2019-07-23
US11694701B2 (en) 2023-07-04
PL2939235T3 (pl) 2017-04-28
RU2015136242A (ru) 2017-03-07

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