HRP20230101T1 - Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem - Google Patents

Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem Download PDF

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Publication number
HRP20230101T1
HRP20230101T1 HRP20230101TT HRP20230101T HRP20230101T1 HR P20230101 T1 HRP20230101 T1 HR P20230101T1 HR P20230101T T HRP20230101T T HR P20230101TT HR P20230101 T HRP20230101 T HR P20230101T HR P20230101 T1 HRP20230101 T1 HR P20230101T1
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Prior art keywords
reselection
samples
signal
block
audio frequency
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HRP20230101TT
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English (en)
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Balazs Kovesi
Stéphane RAGOT
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Koninklijke Philips N.V.
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Publication of HRP20230101T1 publication Critical patent/HRP20230101T1/hr

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • H03H17/0621Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing

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  • 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)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)

Claims (4)

1. Postupak za ponovno odabiranje audio frekvencijskog signala u kodiranju ili dekodiranju audio frekvencijskog signala, naznačen time što postupak obuhvaća sljedeće korake po bloku signala koji se ponovo odabira: - određivanje adaptivnim linearnim predviđanjem broja uzoraka budućeg signala, pri čemu je ovaj broj definiran u funkciji izabranog kašnjenja ponovnog odabiranja; - konstrukciju jednog potpornog vektora ponovnog odabiranja iz najmanje uzoraka trenutnog signalnog bloka i iz određenih uzoraka budućeg signala; - primjena filtera za ponovno odabiranje na uzorke potpornog vektora za ponovno odabiranje, pri čemu postupak dalje obuhvaća sljedeće korake : - komutacije između dva režima kodiranja, - ponovno odabiranje trenutnog bloka signala zbog komutacije.
2. Postupak prema patentnom zahtjevu 1, pri čemu je primjena filtera za ponovno odabiranje točna zbog komutacije između dva režima kodiranja.
3. Postupak prema patentnom zahtjevu 1 ili 2, pri čemu se parametri prediktivnog linearnog kodiranja koji su upotrijebljeni za kadar trenutnog bloka ponovo koriste.
4. Uređaj za ponovno odabiranje audio frekvencijskog signala u jednom koderu ili dekoderu audio frekvencijskog signala, naznačen time što sadrži: - modul (301) za adaptivno linearno predviđanje sposoban da odredi, za signalni blok, broj uzoraka budućeg signala definiran u funkciji kašnjenja ponovnog odabiranja; - modul (304) za konstruiranje potpornog vektora ponovnog odabiranja od barem uzoraka trenutnog signalnog bloka i od određenih uzoraka budućeg signala; - filter (305) za ponovno odabiranje primijenjen na uzorke potpornog vektora za ponovno odabiranje, uređaj za ponovno odabiranje koji se prilagođava za - komutaciju između dva režima kodiranja, - ponovno odabiranje trenutnog bloka signala zbog komutacije.
HRP20230101TT 2013-09-30 2014-09-26 Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem HRP20230101T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1359456A FR3011408A1 (fr) 2013-09-30 2013-09-30 Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard
EP17206561.7A EP3330964B1 (fr) 2013-09-30 2014-09-26 Ré-échantillonnage d'un signal audio pour un codage /décodage à bas retard

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HRP20230101T1 true HRP20230101T1 (hr) 2023-03-17

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HRP20230094TT HRP20230094T1 (hr) 2013-09-30 2014-09-26 Ponovno odabiranje audio signala za kodiranje / dekodiranje s malim kašnjenjem

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US (2) US10403296B2 (hr)
EP (2) EP3053163B1 (hr)
JP (2) JP6559658B2 (hr)
KR (5) KR102514983B1 (hr)
CN (2) CN105684078B (hr)
BR (2) BR122017018551B1 (hr)
DK (2) DK3330964T3 (hr)
ES (2) ES2935337T3 (hr)
FI (2) FI3053163T3 (hr)
FR (1) FR3011408A1 (hr)
HR (2) HRP20230101T1 (hr)
HU (2) HUE061430T2 (hr)
LT (2) LT3330964T (hr)
MX (1) MX355959B (hr)
PL (2) PL3330964T3 (hr)
PT (2) PT3053163T (hr)
RS (2) RS63936B1 (hr)
RU (2) RU2756042C2 (hr)
SI (2) SI3053163T1 (hr)
WO (1) WO2015044609A1 (hr)
ZA (1) ZA201602919B (hr)

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SI3053163T1 (sl) 2023-01-31
PT3053163T (pt) 2023-01-19
US20170372714A1 (en) 2017-12-28
KR20210142765A (ko) 2021-11-25
FI3330964T3 (fi) 2023-02-22
RS63937B1 (sr) 2023-02-28
BR122017018551B1 (pt) 2022-03-03
FI3053163T3 (fi) 2023-03-01
KR102505502B1 (ko) 2023-03-03
KR20170103027A (ko) 2017-09-12
JP6559658B2 (ja) 2019-08-14
HRP20230094T1 (hr) 2023-03-17
FR3011408A1 (fr) 2015-04-03
PT3330964T (pt) 2023-01-20
JP2016541004A (ja) 2016-12-28
JP6559741B2 (ja) 2019-08-14
WO2015044609A1 (fr) 2015-04-02
SI3330964T1 (sl) 2023-01-31
CN105684078B (zh) 2020-03-27
MX2016003902A (es) 2016-06-17
EP3330964A1 (fr) 2018-06-06
HUE061430T2 (hu) 2023-06-28
ES2934671T3 (es) 2023-02-23
LT3053163T (lt) 2023-01-10
RU2679228C2 (ru) 2019-02-06
US10566004B2 (en) 2020-02-18
KR102505501B1 (ko) 2023-03-03
KR102514983B1 (ko) 2023-03-29
HUE061442T2 (hu) 2023-06-28
RU2017144520A (ru) 2019-02-15
EP3053163A1 (fr) 2016-08-10
RU2016117073A3 (hr) 2018-07-06
ZA201602919B (en) 2019-04-24
CN107481726A (zh) 2017-12-15
PL3330964T3 (pl) 2023-04-11
PL3053163T3 (pl) 2023-04-11
RU2017144520A3 (hr) 2021-04-09
KR20210142766A (ko) 2021-11-25
MX355959B (es) 2018-05-07
EP3330964B1 (fr) 2022-11-09
RU2016117073A (ru) 2017-11-10
KR102638785B1 (ko) 2024-02-21
CN105684078A (zh) 2016-06-15
ES2935337T3 (es) 2023-03-06
US20160232907A1 (en) 2016-08-11
CN107481726B (zh) 2021-07-30
KR20160061420A (ko) 2016-05-31
BR112016006447B1 (pt) 2021-12-28
DK3053163T3 (da) 2023-01-16
JP2018025783A (ja) 2018-02-15
RS63936B1 (sr) 2023-02-28
LT3330964T (lt) 2023-01-10
RU2756042C2 (ru) 2021-09-24
DK3330964T3 (da) 2023-02-06
KR20230009516A (ko) 2023-01-17
BR112016006447A2 (pt) 2017-08-01
EP3053163B1 (fr) 2022-11-09
US10403296B2 (en) 2019-09-03

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