PL3268960T3 - Koder audio, dekoder audio, sposób kodowania sygnału audio i sposób dekodowania zakodowanego sygnału audio - Google Patents

Koder audio, dekoder audio, sposób kodowania sygnału audio i sposób dekodowania zakodowanego sygnału audio

Info

Publication number
PL3268960T3
PL3268960T3 PL16709331T PL16709331T PL3268960T3 PL 3268960 T3 PL3268960 T3 PL 3268960T3 PL 16709331 T PL16709331 T PL 16709331T PL 16709331 T PL16709331 T PL 16709331T PL 3268960 T3 PL3268960 T3 PL 3268960T3
Authority
PL
Poland
Prior art keywords
audio
audio signal
decoding
encoding
encoder
Prior art date
Application number
PL16709331T
Other languages
English (en)
Inventor
Bernd Edler
Christian Helmrich
Max Neuendorf
Benjamin SCHUBERT
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 PL3268960T3 publication Critical patent/PL3268960T3/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
    • 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
    • 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
    • G10L19/032—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
    • G10L19/26—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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/547—Motion estimation performed in a transform domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL16709331T 2015-03-09 2016-03-07 Koder audio, dekoder audio, sposób kodowania sygnału audio i sposób dekodowania zakodowanego sygnału audio PL3268960T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP15158253 2015-03-09
PCT/EP2015/063658 WO2016142002A1 (en) 2015-03-09 2015-06-17 Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP16709331.9A EP3268960B1 (en) 2015-03-09 2016-03-07 Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
PCT/EP2016/054831 WO2016142357A1 (en) 2015-03-09 2016-03-07 Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal

Publications (1)

Publication Number Publication Date
PL3268960T3 true PL3268960T3 (pl) 2021-01-11

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
PL16709331T PL3268960T3 (pl) 2015-03-09 2016-03-07 Koder audio, dekoder audio, sposób kodowania sygnału audio i sposób dekodowania zakodowanego sygnału audio
PL18170157.4T PL3373298T3 (pl) 2015-03-09 2016-03-07 Enkoder audio, dekoder audio, sposób enkodowania sygnału audio i sposób dekodowania enkodowanego sygnału audio

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL18170157.4T PL3373298T3 (pl) 2015-03-09 2016-03-07 Enkoder audio, dekoder audio, sposób enkodowania sygnału audio i sposób dekodowania enkodowanego sygnału audio

Country Status (19)

Country Link
US (3) US10600428B2 (pl)
EP (4) EP4297027B1 (pl)
JP (4) JP6666356B2 (pl)
KR (1) KR102151728B1 (pl)
CN (3) CN114067813B (pl)
AR (6) AR103890A1 (pl)
AU (6) AU2016231220B2 (pl)
BR (1) BR112017019185B1 (pl)
CA (1) CA2978815C (pl)
ES (3) ES3073649T3 (pl)
MX (1) MX365267B (pl)
MY (1) MY181486A (pl)
PL (2) PL3268960T3 (pl)
PT (1) PT3268960T (pl)
RU (1) RU2707151C2 (pl)
SG (1) SG11201707349WA (pl)
TW (1) TWI613644B (pl)
WO (2) WO2016142002A1 (pl)
ZA (6) ZA201706604B (pl)

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WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
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TWI895201B (zh) 2018-01-26 2025-08-21 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
WO2020094263A1 (en) * 2018-11-05 2020-05-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs
CN109473116B (zh) * 2018-12-12 2021-07-20 思必驰科技股份有限公司 语音编码方法、语音解码方法及装置
WO2021104623A1 (en) 2019-11-27 2021-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, encoding method and decoding method for frequency domain long-term prediction of tonal signals for audio coding
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