PL3707712T3 - Kodowanie audio z czasowym kształtowaniem szumu - Google Patents

Kodowanie audio z czasowym kształtowaniem szumu

Info

Publication number
PL3707712T3
PL3707712T3 PL18796675T PL18796675T PL3707712T3 PL 3707712 T3 PL3707712 T3 PL 3707712T3 PL 18796675 T PL18796675 T PL 18796675T PL 18796675 T PL18796675 T PL 18796675T PL 3707712 T3 PL3707712 T3 PL 3707712T3
Authority
PL
Poland
Prior art keywords
audio coding
noise shaping
temporal noise
temporal
shaping
Prior art date
Application number
PL18796675T
Other languages
English (en)
Inventor
Emmanuel Ravelli
Manfred Lutzky
Markus Schnell
Alexander TSCHEKALINSKIJ
Goran MARKOVIC
Stefan Geyersberger
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3707712T3 publication Critical patent/PL3707712T3/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
    • G10L19/02—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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L21/0208—Noise 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
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0224—Processing in the time domain
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Picture Signal Circuits (AREA)
  • Error Detection And Correction (AREA)
  • Noise Elimination (AREA)
PL18796675T 2017-11-10 2018-11-06 Kodowanie audio z czasowym kształtowaniem szumu PL3707712T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17201094.4A EP3483880A1 (en) 2017-11-10 2017-11-10 Temporal noise shaping
PCT/EP2018/080339 WO2019091978A1 (en) 2017-11-10 2018-11-06 Temporal noise shaping
EP18796675.9A EP3707712B1 (en) 2017-11-10 2018-11-06 Audio coding with temporal noise shaping

Publications (1)

Publication Number Publication Date
PL3707712T3 true PL3707712T3 (pl) 2022-03-28

Family

ID=60301908

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18796675T PL3707712T3 (pl) 2017-11-10 2018-11-06 Kodowanie audio z czasowym kształtowaniem szumu

Country Status (18)

Country Link
US (1) US11127408B2 (pl)
EP (2) EP3483880A1 (pl)
JP (1) JP6990306B2 (pl)
KR (1) KR102428419B1 (pl)
CN (1) CN111587456B (pl)
AR (1) AR113480A1 (pl)
AU (1) AU2018363699B2 (pl)
BR (1) BR112020009104A2 (pl)
CA (1) CA3081781C (pl)
ES (1) ES2905911T3 (pl)
MX (1) MX2020004789A (pl)
PL (1) PL3707712T3 (pl)
PT (1) PT3707712T (pl)
RU (1) RU2740074C1 (pl)
SG (1) SG11202004204UA (pl)
TW (1) TWI701658B (pl)
WO (1) WO2019091978A1 (pl)
ZA (1) ZA202002520B (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6642146B2 (ja) 2015-03-31 2020-02-05 日立金属株式会社 窒化珪素系セラミックス集合基板及びその製造方法
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