PL2959481T3 - Urządzenie i sposób generowania zakodowanego sygnału audio lub dekodowania zakodowanego sygnału audio przy użyciu części wielozakładkowej - Google Patents
Urządzenie i sposób generowania zakodowanego sygnału audio lub dekodowania zakodowanego sygnału audio przy użyciu części wielozakładkowejInfo
- Publication number
- PL2959481T3 PL2959481T3 PL14706528T PL14706528T PL2959481T3 PL 2959481 T3 PL2959481 T3 PL 2959481T3 PL 14706528 T PL14706528 T PL 14706528T PL 14706528 T PL14706528 T PL 14706528T PL 2959481 T3 PL2959481 T3 PL 2959481T3
- Authority
- PL
- Poland
- Prior art keywords
- image signal
- encoded audio
- transients
- decoding
- generating
- Prior art date
Links
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
- G10L19/02—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
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/0212—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 orthogonal transformation
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
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- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361767115P | 2013-02-20 | 2013-02-20 | |
| PCT/EP2014/053287 WO2014128194A1 (en) | 2013-02-20 | 2014-02-20 | Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion |
| EP14706528.8A EP2959481B1 (en) | 2013-02-20 | 2014-02-20 | Apparatus and method for generating an encoded audio or image signal or for decoding an encoded audio or image signal in the presence of transients using a multi overlap portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2959481T3 true PL2959481T3 (pl) | 2017-10-31 |
Family
ID=50179586
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14706528T PL2959481T3 (pl) | 2013-02-20 | 2014-02-20 | Urządzenie i sposób generowania zakodowanego sygnału audio lub dekodowania zakodowanego sygnału audio przy użyciu części wielozakładkowej |
| PL14706529T PL2959482T3 (pl) | 2013-02-20 | 2014-02-20 | Urządzenie i sposób do kodowania lub dekodowania sygnału audio przy użyciu zakładki zależnej od lokalizacji transjentu |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14706529T PL2959482T3 (pl) | 2013-02-20 | 2014-02-20 | Urządzenie i sposób do kodowania lub dekodowania sygnału audio przy użyciu zakładki zależnej od lokalizacji transjentu |
Country Status (20)
| Country | Link |
|---|---|
| US (7) | US9947329B2 (pl) |
| EP (4) | EP2959481B1 (pl) |
| JP (2) | JP6196324B2 (pl) |
| KR (2) | KR101764726B1 (pl) |
| CN (5) | CN105378835B (pl) |
| AR (2) | AR096576A1 (pl) |
| AU (2) | AU2014220725B2 (pl) |
| BR (2) | BR112015019543B1 (pl) |
| CA (2) | CA2900437C (pl) |
| ES (2) | ES2634621T3 (pl) |
| HK (2) | HK1218988A1 (pl) |
| MX (2) | MX348506B (pl) |
| MY (2) | MY185210A (pl) |
| PL (2) | PL2959481T3 (pl) |
| PT (2) | PT2959482T (pl) |
| RU (2) | RU2626666C2 (pl) |
| SG (2) | SG11201506543WA (pl) |
| TR (1) | TR201910956T4 (pl) |
| TW (2) | TWI550600B (pl) |
| WO (2) | WO2014128197A1 (pl) |
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| EP2980791A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| 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 |
| FR3024581A1 (fr) | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| WO2017050398A1 (en) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding |
| EP3182411A1 (en) | 2015-12-14 | 2017-06-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an encoded audio signal |
| JP6641018B2 (ja) * | 2016-01-22 | 2020-02-05 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | チャネル間時間差を推定する装置及び方法 |
| EP3475944B1 (en) * | 2016-06-22 | 2020-07-15 | Dolby International AB | Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain |
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| 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 |
| CN113596448A (zh) * | 2019-03-09 | 2021-11-02 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、解码端、编码端和系统 |
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