AR101347A1 - Aparato y método para seleccionar uno de un primer algoritmo de codificación y un segundo algoritmo de codificación usando reducción de armónicos - Google Patents

Aparato y método para seleccionar uno de un primer algoritmo de codificación y un segundo algoritmo de codificación usando reducción de armónicos

Info

Publication number
AR101347A1
AR101347A1 ARP150102402A ARP150102402A AR101347A1 AR 101347 A1 AR101347 A1 AR 101347A1 AR P150102402 A ARP150102402 A AR P150102402A AR P150102402 A ARP150102402 A AR P150102402A AR 101347 A1 AR101347 A1 AR 101347A1
Authority
AR
Argentina
Prior art keywords
coding algorithm
audio signal
selecting
snr
quality measurement
Prior art date
Application number
ARP150102402A
Other languages
English (en)
Spanish (es)
Inventor
Jander Manuel
Grill Bernhard
Doehla Stefan
Multrus Markus
Ravelli Emmanuel
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 AR101347A1 publication Critical patent/AR101347A1/es

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
    • G10L19/09—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
    • 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
    • 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)
ARP150102402A 2014-07-28 2015-07-28 Aparato y método para seleccionar uno de un primer algoritmo de codificación y un segundo algoritmo de codificación usando reducción de armónicos AR101347A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178809 2014-07-28

Publications (1)

Publication Number Publication Date
AR101347A1 true AR101347A1 (es) 2016-12-14

Family

ID=51224872

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP150102402A AR101347A1 (es) 2014-07-28 2015-07-28 Aparato y método para seleccionar uno de un primer algoritmo de codificación y un segundo algoritmo de codificación usando reducción de armónicos

Country Status (19)

Country Link
US (3) US9818421B2 (https=)
EP (1) EP3000110B1 (https=)
JP (1) JP6086999B2 (https=)
KR (1) KR101748517B1 (https=)
CN (2) CN105451842B (https=)
AR (1) AR101347A1 (https=)
AU (1) AU2015258241B2 (https=)
BR (1) BR112015029172B1 (https=)
CA (1) CA2910878C (https=)
ES (1) ES2614358T3 (https=)
MX (1) MX349256B (https=)
MY (1) MY174028A (https=)
PL (1) PL3000110T3 (https=)
PT (1) PT3000110T (https=)
RU (1) RU2632151C2 (https=)
SG (1) SG11201509526SA (https=)
TW (1) TWI582758B (https=)
WO (1) WO2016016053A1 (https=)
ZA (1) ZA201508541B (https=)

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Also Published As

Publication number Publication date
EP3000110A1 (en) 2016-03-30
SG11201509526SA (en) 2017-04-27
KR20160030477A (ko) 2016-03-18
BR112015029172B1 (pt) 2022-08-23
ES2614358T3 (es) 2017-05-30
ZA201508541B (en) 2017-07-26
TW201606755A (zh) 2016-02-16
US20170309285A1 (en) 2017-10-26
KR101748517B1 (ko) 2017-06-16
US20160078878A1 (en) 2016-03-17
EP3000110B1 (en) 2016-12-07
CN105451842B (zh) 2019-06-11
CN105451842A (zh) 2016-03-30
US9818421B2 (en) 2017-11-14
US10224052B2 (en) 2019-03-05
AU2015258241B2 (en) 2016-09-15
US10706865B2 (en) 2020-07-07
PL3000110T3 (pl) 2017-05-31
CN110444219B (zh) 2023-06-13
MX2015015684A (es) 2016-04-28
CA2910878A1 (en) 2016-01-28
MY174028A (en) 2020-03-04
US20190272839A1 (en) 2019-09-05
AU2015258241A1 (en) 2016-02-11
MX349256B (es) 2017-07-19
TWI582758B (zh) 2017-05-11
CN110444219A (zh) 2019-11-12
CA2910878C (en) 2018-02-27
WO2016016053A1 (en) 2016-02-04
JP2016535286A (ja) 2016-11-10
HK1222943A1 (en) 2017-07-14
JP6086999B2 (ja) 2017-03-01
BR112015029172A2 (https=) 2017-08-22
RU2015149810A (ru) 2017-05-23
PT3000110T (pt) 2017-02-15
RU2632151C2 (ru) 2017-10-02

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