FI4293667T3 - Äänendekoodauslaite ja äänendekoodausmenetelmä - Google Patents

Äänendekoodauslaite ja äänendekoodausmenetelmä

Info

Publication number
FI4293667T3
FI4293667T3 FIEP23207259.5T FI23207259T FI4293667T3 FI 4293667 T3 FI4293667 T3 FI 4293667T3 FI 23207259 T FI23207259 T FI 23207259T FI 4293667 T3 FI4293667 T3 FI 4293667T3
Authority
FI
Finland
Prior art keywords
decoding
temporal envelope
decoded signal
frequency band
unit
Prior art date
Application number
FIEP23207259.5T
Other languages
English (en)
Finnish (fi)
Inventor
Kei Kikuiri
Atsushi Yamaguchi
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Application granted granted Critical
Publication of FI4293667T3 publication Critical patent/FI4293667T3/fi

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FIEP23207259.5T 2014-03-24 2015-03-20 Äänendekoodauslaite ja äänendekoodausmenetelmä FI4293667T3 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014060650A JP6035270B2 (ja) 2014-03-24 2014-03-24 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

Publications (1)

Publication Number Publication Date
FI4293667T3 true FI4293667T3 (fi) 2026-06-04

Family

ID=54195375

Family Applications (2)

Application Number Title Priority Date Filing Date
FIEP23207259.5T FI4293667T3 (fi) 2014-03-24 2015-03-20 Äänendekoodauslaite ja äänendekoodausmenetelmä
FIEP19205596.0T FI3621073T3 (fi) 2014-03-24 2015-03-20 Audiokoodauslaite ja audiokoodausmenetelmä

Family Applications After (1)

Application Number Title Priority Date Filing Date
FIEP19205596.0T FI3621073T3 (fi) 2014-03-24 2015-03-20 Audiokoodauslaite ja audiokoodausmenetelmä

Country Status (20)

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US (4) US10410647B2 (enExample)
EP (4) EP4293667B1 (enExample)
JP (1) JP6035270B2 (enExample)
KR (7) KR102038077B1 (enExample)
CN (2) CN106133829B (enExample)
AU (7) AU2015235133B2 (enExample)
BR (1) BR112016021165B1 (enExample)
CA (2) CA2990392C (enExample)
DK (3) DK4293667T3 (enExample)
ES (3) ES3071052T3 (enExample)
FI (2) FI4293667T3 (enExample)
HU (1) HUE065961T2 (enExample)
MX (2) MX354434B (enExample)
MY (1) MY165849A (enExample)
PH (1) PH12016501844A1 (enExample)
PL (3) PL3621073T3 (enExample)
PT (3) PT3621073T (enExample)
RU (7) RU2654141C1 (enExample)
TW (7) TWI807906B (enExample)
WO (1) WO2015146860A1 (enExample)

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JP6035270B2 (ja) 2014-03-24 2016-11-30 株式会社Nttドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

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EP4700768A2 (en) 2026-02-25
RU2018115787A3 (enExample) 2019-10-28
DK3621073T3 (da) 2024-03-11
TW201810251A (zh) 2018-03-16
KR20200074279A (ko) 2020-06-24
RU2018115787A (ru) 2019-10-28
MY165849A (en) 2018-05-17
CN106133829A (zh) 2016-11-16
TW202546818A (zh) 2025-12-01
CN107767876A (zh) 2018-03-06
AU2021200607A1 (en) 2021-03-04
AU2021200603A1 (en) 2021-03-04
DK3125243T3 (da) 2020-02-17
RU2631155C1 (ru) 2017-09-19
US12223971B2 (en) 2025-02-11
US11437053B2 (en) 2022-09-06
KR20190122896A (ko) 2019-10-30
EP4700768A3 (en) 2026-04-08
CN106133829B (zh) 2017-11-10
RU2707722C2 (ru) 2019-11-28
PT3125243T (pt) 2020-02-14
AU2021200604A1 (en) 2021-03-04
KR20200028512A (ko) 2020-03-16
TW202242854A (zh) 2022-11-01
AU2019257487A1 (en) 2019-11-21
AU2021200607B2 (en) 2022-03-24
AU2015235133B2 (en) 2017-11-30
MX2016012393A (es) 2016-11-30
TW201603007A (zh) 2016-01-16
CN107767876B (zh) 2022-08-09
CA2942885A1 (en) 2015-10-01
AU2015235133A1 (en) 2016-10-06
AU2019257495B2 (en) 2020-12-24
EP4293667A2 (en) 2023-12-20
EP4293667A3 (en) 2024-06-12
KR102089602B1 (ko) 2020-03-16
RU2732951C1 (ru) 2020-09-24
AU2021200604B2 (en) 2022-03-17
BR112016021165B1 (pt) 2020-11-10
US20220366924A1 (en) 2022-11-17
US20250140274A1 (en) 2025-05-01
PL4293667T3 (pl) 2026-06-29
TWI807906B (zh) 2023-07-01
WO2015146860A1 (ja) 2015-10-01
FI3621073T3 (fi) 2024-03-13
PL3125243T3 (pl) 2020-05-18
TWI773992B (zh) 2022-08-11
KR20160119252A (ko) 2016-10-12
KR102038077B1 (ko) 2019-10-29
KR101906524B1 (ko) 2018-10-10
PT3621073T (pt) 2024-03-12
AU2021200603B2 (en) 2022-03-10
EP3125243B1 (en) 2020-01-08
ES2974029T3 (es) 2024-06-25
JP6035270B2 (ja) 2016-11-30
EP3125243A1 (en) 2017-02-01
KR102126044B1 (ko) 2020-07-08
TW202036541A (zh) 2020-10-01
MX354434B (es) 2018-03-06
DK4293667T3 (da) 2026-05-18
RU2741486C1 (ru) 2021-01-26
AU2019257495A1 (en) 2019-11-21
MX388622B (es) 2025-03-20
EP4293667B1 (en) 2026-04-22
PH12016501844B1 (en) 2016-12-19
TWI608474B (zh) 2017-12-11
KR20170110175A (ko) 2017-10-10
KR20180110244A (ko) 2018-10-08
HUE065961T2 (hu) 2024-06-28
PT4293667T (pt) 2026-05-14
ES2772173T3 (es) 2020-07-07
AU2019257487B2 (en) 2020-12-24
EP3621073B1 (en) 2024-02-14
KR102208915B1 (ko) 2021-01-27
AU2018201468A1 (en) 2018-03-22
KR101782935B1 (ko) 2017-09-28
RU2718421C1 (ru) 2020-04-02
CA2990392A1 (en) 2015-10-01
TWI894565B (zh) 2025-08-21
TW201937483A (zh) 2019-09-16
JP2015184470A (ja) 2015-10-22
KR20200030125A (ko) 2020-03-19
KR102124962B1 (ko) 2020-07-07
RU2751150C1 (ru) 2021-07-08
TW202338789A (zh) 2023-10-01
US20190355371A1 (en) 2019-11-21
PL3621073T3 (pl) 2024-05-20
US10410647B2 (en) 2019-09-10
EP3125243A4 (en) 2017-05-17
TWI666632B (zh) 2019-07-21
CA2990392C (en) 2021-08-03
ES3071052T3 (en) 2026-06-19
TWI696994B (zh) 2020-06-21
EP3621073A1 (en) 2020-03-11
RU2654141C1 (ru) 2018-05-16
US20170117000A1 (en) 2017-04-27
CA2942885C (en) 2018-02-20
PH12016501844A1 (en) 2016-12-19
AU2018201468B2 (en) 2019-08-29