PL3786949T3 - Kodowanie sygnału dźwiękowego - Google Patents

Kodowanie sygnału dźwiękowego

Info

Publication number
PL3786949T3
PL3786949T3 PL20197768T PL20197768T PL3786949T3 PL 3786949 T3 PL3786949 T3 PL 3786949T3 PL 20197768 T PL20197768 T PL 20197768T PL 20197768 T PL20197768 T PL 20197768T PL 3786949 T3 PL3786949 T3 PL 3786949T3
Authority
PL
Poland
Prior art keywords
audible
encoding
audible encoding
Prior art date
Application number
PL20197768T
Other languages
English (en)
Inventor
Takehiro Moriya
Yutaka Kamamoto
Noboru Harada
Original Assignee
Nippon Telegraph And Telephone Corporation
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 Nippon Telegraph And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Publication of PL3786949T3 publication Critical patent/PL3786949T3/pl

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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L19/032—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
    • G10L19/02—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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL20197768T 2014-05-01 2015-03-16 Kodowanie sygnału dźwiękowego PL3786949T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2014094759 2014-05-01
EP20197768.3A EP3786949B1 (en) 2014-05-01 2015-03-16 Coding of a sound signal
EP19190297.2A EP3594945B1 (en) 2014-05-01 2015-03-16 Coding of a sound signal
PCT/JP2015/057728 WO2015166734A1 (ja) 2014-05-01 2015-03-16 符号化装置、復号装置、及びその方法、プログラム
EP15785337.5A EP3139383B1 (en) 2014-05-01 2015-03-16 Coding and decoding of a sound signal

Publications (1)

Publication Number Publication Date
PL3786949T3 true PL3786949T3 (pl) 2022-05-02

Family

ID=54358474

Family Applications (4)

Application Number Title Priority Date Filing Date
PL19190309T PL3594946T3 (pl) 2014-05-01 2015-03-16 Dekodowanie sygnału dźwiękowego
PL15785337T PL3139383T3 (pl) 2014-05-01 2015-03-16 Kodowanie i dekodowanie sygnału dźwiękowego
PL19190297T PL3594945T3 (pl) 2014-05-01 2015-03-16 Kodowanie sygnału dźwiękowego
PL20197768T PL3786949T3 (pl) 2014-05-01 2015-03-16 Kodowanie sygnału dźwiękowego

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PL19190309T PL3594946T3 (pl) 2014-05-01 2015-03-16 Dekodowanie sygnału dźwiękowego
PL15785337T PL3139383T3 (pl) 2014-05-01 2015-03-16 Kodowanie i dekodowanie sygnału dźwiękowego
PL19190297T PL3594945T3 (pl) 2014-05-01 2015-03-16 Kodowanie sygnału dźwiękowego

Country Status (8)

Country Link
US (6) US10074376B2 (pl)
EP (4) EP3594946B1 (pl)
JP (4) JP6301452B2 (pl)
KR (3) KR101860888B1 (pl)
CN (4) CN110534122B (pl)
ES (4) ES2912595T3 (pl)
PL (4) PL3594946T3 (pl)
WO (1) WO2015166734A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015166734A1 (ja) * 2014-05-01 2015-11-05 日本電信電話株式会社 符号化装置、復号装置、及びその方法、プログラム
KR102372369B1 (ko) 2021-04-02 2022-03-10 주식회사 강림퓨얼테크 친환경 가탄제 조성물
KR20250134437A (ko) 2024-03-04 2025-09-11 주식회사 강림퓨얼테크 고분자 가탄제 및 그 제조방법

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Also Published As

Publication number Publication date
EP3594945A1 (en) 2020-01-15
KR101883823B1 (ko) 2018-08-01
JP2019109542A (ja) 2019-07-04
PL3139383T3 (pl) 2020-03-31
JP6301452B2 (ja) 2018-03-28
CN110534122B (zh) 2022-10-21
US20180330741A1 (en) 2018-11-15
WO2015166734A1 (ja) 2015-11-05
CN110875048A (zh) 2020-03-10
JPWO2015166734A1 (ja) 2017-04-20
US10074376B2 (en) 2018-09-11
US10553229B2 (en) 2020-02-04
ES2912595T3 (es) 2022-05-26
US20170047075A1 (en) 2017-02-16
EP3786949A1 (en) 2021-03-03
CN110875047A (zh) 2020-03-10
EP3139383A4 (en) 2017-10-11
JP2019113859A (ja) 2019-07-11
US20190304476A1 (en) 2019-10-03
CN110534122A (zh) 2019-12-03
ES2840349T3 (es) 2021-07-06
JP6495492B2 (ja) 2019-04-03
EP3594945B1 (en) 2020-11-04
KR101860888B1 (ko) 2018-05-28
CN106463137A (zh) 2017-02-22
KR20180058846A (ko) 2018-06-01
EP3786949B1 (en) 2022-02-16
CN110875048B (zh) 2023-06-09
US20200090673A1 (en) 2020-03-19
CN106463137B (zh) 2019-12-10
JP6668532B2 (ja) 2020-03-18
US20190287545A1 (en) 2019-09-19
JP6668531B2 (ja) 2020-03-18
ES2761681T3 (es) 2020-05-20
KR101883817B1 (ko) 2018-07-31
USRE50749E1 (en) 2026-01-13
ES2843300T3 (es) 2021-07-16
EP3594946A1 (en) 2020-01-15
US10529350B2 (en) 2020-01-07
KR20180059561A (ko) 2018-06-04
CN110875047B (zh) 2023-06-09
PL3594945T3 (pl) 2021-05-04
US10811021B2 (en) 2020-10-20
JP2018063457A (ja) 2018-04-19
EP3139383B1 (en) 2019-09-25
US10381015B2 (en) 2019-08-13
KR20160138558A (ko) 2016-12-05
PL3594946T3 (pl) 2021-03-08
EP3139383A1 (en) 2017-03-08
EP3594946B1 (en) 2020-10-28

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