SG11201506542QA - Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap - Google Patents
Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlapInfo
- Publication number
- SG11201506542QA SG11201506542QA SG11201506542QA SG11201506542QA SG11201506542QA SG 11201506542Q A SG11201506542Q A SG 11201506542QA SG 11201506542Q A SG11201506542Q A SG 11201506542QA SG 11201506542Q A SG11201506542Q A SG 11201506542QA SG 11201506542Q A SG11201506542Q A SG 11201506542QA
- Authority
- SG
- Singapore
- Prior art keywords
- transient
- decoding
- encoding
- audio signal
- location dependent
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 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
- G10L19/02—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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361767115P | 2013-02-20 | 2013-02-20 | |
| PCT/EP2014/053293 WO2014128197A1 (en) | 2013-02-20 | 2014-02-20 | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201506542QA true SG11201506542QA (en) | 2015-09-29 |
Family
ID=50179586
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201506542QA SG11201506542QA (en) | 2013-02-20 | 2014-02-20 | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
| SG11201506543WA SG11201506543WA (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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201506543WA SG11201506543WA (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 |
Country Status (20)
| Country | Link |
|---|---|
| US (7) | US9947329B2 (en) |
| EP (4) | EP4375996A2 (en) |
| JP (2) | JP6196324B2 (en) |
| KR (2) | KR101764725B1 (en) |
| CN (5) | CN105378835B (en) |
| AR (2) | AR096576A1 (en) |
| AU (2) | AU2014220722B2 (en) |
| BR (2) | BR112015019543B1 (en) |
| CA (2) | CA2900437C (en) |
| ES (2) | ES2634621T3 (en) |
| HK (2) | HK1218988A1 (en) |
| MX (2) | MX348506B (en) |
| MY (2) | MY185210A (en) |
| PL (2) | PL2959481T3 (en) |
| PT (2) | PT2959481T (en) |
| RU (2) | RU2626666C2 (en) |
| SG (2) | SG11201506542QA (en) |
| TR (1) | TR201910956T4 (en) |
| TW (2) | TWI550600B (en) |
| WO (2) | WO2014128197A1 (en) |
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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 |
| EP2980795A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| FR3024581A1 (en) * | 2014-07-29 | 2016-02-05 | Orange | DETERMINING A CODING BUDGET OF A TRANSITION FRAME LPD / FD |
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| 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 |
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| EP2524374B1 (en) * | 2010-01-13 | 2018-10-31 | Voiceage Corporation | Audio decoding with forward time-domain aliasing cancellation using linear-predictive filtering |
| CN102222505B (en) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | Hierarchical audio coding and decoding methods and systems and transient signal hierarchical coding and decoding methods |
| EP4372742A2 (en) * | 2010-07-08 | 2024-05-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coder using forward aliasing cancellation |
| CN104718572B (en) * | 2012-06-04 | 2018-07-31 | 三星电子株式会社 | Audio coding method and device, audio-frequency decoding method and device and the multimedia device using this method and device |
| KR20140075466A (en) | 2012-12-11 | 2014-06-19 | 삼성전자주식회사 | Encoding and decoding method of audio signal, and encoding and decoding apparatus of audio signal |
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