HRP20230101T1 - Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem - Google Patents
Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem Download PDFInfo
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- 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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- audio frequency
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- 238000012952 Resampling Methods 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims 5
- 230000003044 adaptive effect Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
Classifications
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- 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
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- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- 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
-
- 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
- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
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)
- 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.
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP20230101T1 true HRP20230101T1 (hr) | 2023-03-17 |
Family
ID=50101931
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HRP20230101TT HRP20230101T1 (hr) | 2013-09-30 | 2014-09-26 | Ponovno odabiranje audio signala za kodiranje/dekodiranje s malim kašnjenjem |
HRP20230094TT HRP20230094T1 (hr) | 2013-09-30 | 2014-09-26 | Ponovno odabiranje audio signala za kodiranje / dekodiranje s malim kašnjenjem |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HRP20230094TT HRP20230094T1 (hr) | 2013-09-30 | 2014-09-26 | Ponovno odabiranje audio signala za kodiranje / dekodiranje s malim kašnjenjem |
Country Status (21)
Country | Link |
---|---|
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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FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
FR3015754A1 (fr) * | 2013-12-20 | 2015-06-26 | Orange | Re-echantillonnage d'un signal audio cadence a une frequence d'echantillonnage variable selon la trame |
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EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
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2013
- 2013-09-30 FR FR1359456A patent/FR3011408A1/fr active Pending
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2014
- 2014-09-26 PT PT147962070T patent/PT3053163T/pt unknown
- 2014-09-26 SI SI201432007T patent/SI3053163T1/sl unknown
- 2014-09-26 PT PT172065617T patent/PT3330964T/pt unknown
- 2014-09-26 WO PCT/FR2014/052430 patent/WO2015044609A1/fr active Application Filing
- 2014-09-26 RU RU2017144520A patent/RU2756042C2/ru active
- 2014-09-26 SI SI201432006T patent/SI3330964T1/sl unknown
- 2014-09-26 EP EP14796207.0A patent/EP3053163B1/fr active Active
- 2014-09-26 PL PL17206561.7T patent/PL3330964T3/pl unknown
- 2014-09-26 CN CN201480053813.5A patent/CN105684078B/zh active Active
- 2014-09-26 EP EP17206561.7A patent/EP3330964B1/fr active Active
- 2014-09-26 LT LTEP17206561.7T patent/LT3330964T/lt unknown
- 2014-09-26 JP JP2016518091A patent/JP6559658B2/ja active Active
- 2014-09-26 KR KR1020217037251A patent/KR102514983B1/ko active IP Right Grant
- 2014-09-26 BR BR122017018551-9A patent/BR122017018551B1/pt active IP Right Grant
- 2014-09-26 KR KR1020227046263A patent/KR102638785B1/ko active IP Right Grant
- 2014-09-26 DK DK17206561.7T patent/DK3330964T3/da active
- 2014-09-26 BR BR112016006447-0A patent/BR112016006447B1/pt active IP Right Grant
- 2014-09-26 KR KR1020177024336A patent/KR102505502B1/ko active IP Right Grant
- 2014-09-26 RS RS20230078A patent/RS63936B1/sr unknown
- 2014-09-26 HR HRP20230101TT patent/HRP20230101T1/hr unknown
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- 2014-09-26 KR KR1020167011201A patent/KR20160061420A/ko active Application Filing
- 2014-09-26 LT LTEPPCT/FR2014/052430T patent/LT3053163T/lt unknown
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- 2014-09-26 MX MX2016003902A patent/MX355959B/es active IP Right Grant
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- 2014-09-26 CN CN201710730282.4A patent/CN107481726B/zh active Active
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- 2014-09-26 FI FIEP14796207.0T patent/FI3053163T3/fi active
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