SG11201509526SA - Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction - Google Patents

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

Info

Publication number
SG11201509526SA
SG11201509526SA SG11201509526SA SG11201509526SA SG11201509526SA SG 11201509526S A SG11201509526S A SG 11201509526SA SG 11201509526S A SG11201509526S A SG 11201509526SA SG 11201509526S A SG11201509526S A SG 11201509526SA SG 11201509526S A SG11201509526S A SG 11201509526SA
Authority
SG
Singapore
Prior art keywords
encoding algorithm
selecting
harmonics reduction
harmonics
reduction
Prior art date
Application number
SG11201509526SA
Other languages
English (en)
Inventor
Emmanuel Ravelli
Markus Multrus
Stefan Doehla
Bernhard Grill
Manuel Jander
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 SG11201509526SA publication Critical patent/SG11201509526SA/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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
    • 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
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mathematical Physics (AREA)
SG11201509526SA 2014-07-28 2015-07-21 Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction SG11201509526SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14178809 2014-07-28
PCT/EP2015/066677 WO2016016053A1 (en) 2014-07-28 2015-07-21 Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

Publications (1)

Publication Number Publication Date
SG11201509526SA true SG11201509526SA (en) 2017-04-27

Family

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SG11201509526SA SG11201509526SA (en) 2014-07-28 2015-07-21 Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction

Country Status (19)

Country Link
US (3) US9818421B2 (pl)
EP (1) EP3000110B1 (pl)
JP (1) JP6086999B2 (pl)
KR (1) KR101748517B1 (pl)
CN (2) CN105451842B (pl)
AR (1) AR101347A1 (pl)
AU (1) AU2015258241B2 (pl)
BR (1) BR112015029172B1 (pl)
ES (1) ES2614358T3 (pl)
HK (1) HK1222943A1 (pl)
MX (1) MX349256B (pl)
MY (1) MY174028A (pl)
PL (1) PL3000110T3 (pl)
PT (1) PT3000110T (pl)
RU (1) RU2632151C2 (pl)
SG (1) SG11201509526SA (pl)
TW (1) TWI582758B (pl)
WO (1) WO2016016053A1 (pl)
ZA (1) ZA201508541B (pl)

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Also Published As

Publication number Publication date
TW201606755A (zh) 2016-02-16
US20170309285A1 (en) 2017-10-26
AU2015258241A1 (en) 2016-02-11
MX349256B (es) 2017-07-19
TWI582758B (zh) 2017-05-11
EP3000110A1 (en) 2016-03-30
ES2614358T3 (es) 2017-05-30
ZA201508541B (en) 2017-07-26
MY174028A (en) 2020-03-04
US20190272839A1 (en) 2019-09-05
CN105451842B (zh) 2019-06-11
HK1222943A1 (zh) 2017-07-14
MX2015015684A (es) 2016-04-28
PT3000110T (pt) 2017-02-15
CN105451842A (zh) 2016-03-30
JP2016535286A (ja) 2016-11-10
CN110444219A (zh) 2019-11-12
US10706865B2 (en) 2020-07-07
WO2016016053A1 (en) 2016-02-04
CN110444219B (zh) 2023-06-13
US9818421B2 (en) 2017-11-14
BR112015029172B1 (pt) 2022-08-23
RU2632151C2 (ru) 2017-10-02
AU2015258241B2 (en) 2016-09-15
US20160078878A1 (en) 2016-03-17
KR20160030477A (ko) 2016-03-18
JP6086999B2 (ja) 2017-03-01
AR101347A1 (es) 2016-12-14
BR112015029172A2 (pl) 2017-08-22
EP3000110B1 (en) 2016-12-07
US10224052B2 (en) 2019-03-05
RU2015149810A (ru) 2017-05-23
KR101748517B1 (ko) 2017-06-16
PL3000110T3 (pl) 2017-05-31

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