ZA201102537B - Multi-resolution switched audio encoding/decoding scheme - Google Patents
Multi-resolution switched audio encoding/decoding schemeInfo
- Publication number
- ZA201102537B ZA201102537B ZA2011/02537A ZA201102537A ZA201102537B ZA 201102537 B ZA201102537 B ZA 201102537B ZA 2011/02537 A ZA2011/02537 A ZA 2011/02537A ZA 201102537 A ZA201102537 A ZA 201102537A ZA 201102537 B ZA201102537 B ZA 201102537B
- Authority
- ZA
- South Africa
- Prior art keywords
- audio encoding
- decoding scheme
- switched audio
- resolution switched
- resolution
- Prior art date
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
- G10L19/16—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
- 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
-
- 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
- G10L19/04—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
- G10L19/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017663 | 2008-10-08 | ||
| EP09002271A EP2144230A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme having cascaded switches |
| PCT/EP2009/007205 WO2010040522A2 (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201102537B true ZA201102537B (en) | 2011-12-28 |
Family
ID=42101010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2011/02537A ZA201102537B (en) | 2008-10-08 | 2011-04-06 | Multi-resolution switched audio encoding/decoding scheme |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP3640941A1 (en) |
| JP (1) | JP5555707B2 (en) |
| KR (3) | KR20130069833A (en) |
| CN (1) | CN102177426B (en) |
| AR (1) | AR076060A1 (en) |
| BR (1) | BRPI0914056B1 (en) |
| CA (1) | CA2739736C (en) |
| CO (1) | CO6362072A2 (en) |
| MX (1) | MX2011003824A (en) |
| MY (1) | MY154633A (en) |
| RU (1) | RU2520402C2 (en) |
| TW (2) | TWI419148B (en) |
| WO (1) | WO2010040522A2 (en) |
| ZA (1) | ZA201102537B (en) |
Families Citing this family (64)
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| EP2460158A4 (en) | 2009-07-27 | 2013-09-04 | A method and an apparatus for processing an audio signal | |
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| WO2011147950A1 (en) * | 2010-05-28 | 2011-12-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low-delay unified speech and audio codec |
| US9275650B2 (en) | 2010-06-14 | 2016-03-01 | Panasonic Corporation | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs |
| HUE039862T2 (en) | 2010-07-02 | 2019-02-28 | Dolby Int Ab | Audio decoding with selective post filtering |
| PT3751564T (en) * | 2010-07-20 | 2023-01-06 | Fraunhofer Ges Forschung | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using an optimized hash table |
| RU2560788C2 (en) | 2011-02-14 | 2015-08-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Device and method for processing of decoded audio signal in spectral band |
| CN105304090B (en) | 2011-02-14 | 2019-04-09 | 弗劳恩霍夫应用研究促进协会 | Using the prediction part of alignment by audio-frequency signal coding and decoded apparatus and method |
| JP5849106B2 (en) | 2011-02-14 | 2016-01-27 | 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 | Apparatus and method for error concealment in low delay integrated speech and audio coding |
| PT2676270T (en) | 2011-02-14 | 2017-05-02 | Fraunhofer Ges Forschung | Coding a portion of an audio signal using a transient detection and a quality result |
| JP5625126B2 (en) | 2011-02-14 | 2014-11-12 | 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 | Linear prediction based coding scheme using spectral domain noise shaping |
| TWI488176B (en) * | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | Encoding and decoding of pulse positions of tracks of an audio signal |
| MX2013009305A (en) | 2011-02-14 | 2013-10-03 | Fraunhofer Ges Forschung | Noise generation in audio codecs. |
| JP5800915B2 (en) | 2011-02-14 | 2015-10-28 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | Encoding and decoding the pulse positions of tracks of audio signals |
| SG185519A1 (en) | 2011-02-14 | 2012-12-28 | Fraunhofer Ges Forschung | Information signal representation using lapped transform |
| TWI480857B (en) | 2011-02-14 | 2015-04-11 | Fraunhofer Ges Forschung | Audio codec using noise synthesis during inactive phases |
| EP2700072A4 (en) | 2011-04-21 | 2016-01-20 | Samsung Electronics Co Ltd | Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefor |
| RU2619710C2 (en) | 2011-04-21 | 2017-05-17 | Самсунг Электроникс Ко., Лтд. | Method of encoding coefficient quantization with linear prediction, sound encoding method, method of decoding coefficient quantization with linear prediction, sound decoding method and record medium |
| CN106157968B (en) * | 2011-06-30 | 2019-11-29 | 三星电子株式会社 | For generating the device and method of bandwidth expansion signal |
| CN104040624B (en) | 2011-11-03 | 2017-03-01 | 沃伊斯亚吉公司 | Improve the non-voice context of low rate code Excited Linear Prediction decoder |
| US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
| US9489962B2 (en) * | 2012-05-11 | 2016-11-08 | Panasonic Corporation | Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method |
| EP3933836A1 (en) | 2012-11-13 | 2022-01-05 | Samsung Electronics Co., Ltd. | Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals |
| BR112015014212B1 (en) * | 2012-12-21 | 2021-10-19 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | GENERATION OF A COMFORT NOISE WITH HIGH SPECTRO-TEMPORAL RESOLUTION IN DISCONTINUOUS TRANSMISSION OF AUDIO SIGNALS |
| WO2014096280A1 (en) | 2012-12-21 | 2014-06-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Comfort noise addition for modeling background noise at low bit-rates |
| CN103915100B (en) * | 2013-01-07 | 2019-02-15 | 中兴通讯股份有限公司 | A kind of coding mode switching method and apparatus, decoding mode switching method and apparatus |
| JP6218855B2 (en) * | 2013-01-29 | 2017-10-25 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | AUDIO ENCODER, AUDIO DECODER, SYSTEM, METHOD, AND COMPUTER PROGRAM USING INCREASED TEMPERATURE RESOLUTION IN TEMPERATURE PROXIMITY OF ON-SET OR OFFSET OF FLUSION OR BRUSTING |
| EP3451334B1 (en) | 2013-01-29 | 2020-04-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Noise filling concept |
| MX346945B (en) | 2013-01-29 | 2017-04-06 | Fraunhofer Ges Forschung | Apparatus and method for generating a frequency enhancement signal using an energy limitation operation. |
| JP6253674B2 (en) | 2013-01-29 | 2017-12-27 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | Apparatus and method for processing an encoded signal, and encoder and method for generating an encoded signal |
| JP6181773B2 (en) | 2013-01-29 | 2017-08-16 | 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 | Noise filling without side information for CELP coder |
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| EP3605532B1 (en) | 2013-05-24 | 2021-09-29 | Dolby International AB | Audio encoder |
| EP2830058A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| TWI557726B (en) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | System and method for determining a master scale factor band table for a highband signal of an audio signal |
| 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 |
| CN106448688B (en) | 2014-07-28 | 2019-11-05 | 华为技术有限公司 | Audio coding method and relevant apparatus |
| 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 |
| WO2016052191A1 (en) * | 2014-09-30 | 2016-04-07 | ソニー株式会社 | Transmitting device, transmission method, receiving device, and receiving method |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| KR102398124B1 (en) * | 2015-08-11 | 2022-05-17 | 삼성전자주식회사 | Adaptive processing of audio data |
| US10134412B2 (en) * | 2015-09-03 | 2018-11-20 | Shure Acquisition Holdings, Inc. | Multiresolution coding and modulation system |
| EP3699909A1 (en) | 2015-09-25 | 2020-08-26 | VoiceAge Corporation | Method and system for encoding a stereo sound signal using coding parameters of a primary channel to encode a secondary channel |
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| CN105632542B (en) * | 2015-12-23 | 2019-05-28 | 小米科技有限责任公司 | Audio frequency playing method and device |
| US9959877B2 (en) * | 2016-03-18 | 2018-05-01 | Qualcomm Incorporated | Multi channel coding |
| EP3443557B1 (en) * | 2016-04-12 | 2020-05-20 | Fraunhofer Gesellschaft zur Förderung der Angewand | Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band |
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| CN107404625B (en) * | 2017-07-18 | 2020-10-16 | 海信视像科技股份有限公司 | Sound effect processing method and device of terminal |
| 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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| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| 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 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| CN111670439A (en) | 2017-12-19 | 2020-09-15 | 杜比国际公司 | Method and apparatus system for unified speech and audio decoding improvement |
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| US20230179764A1 (en) * | 2021-12-06 | 2023-06-08 | Tencent America LLC | Arrangement of adaptive loop filter coefficients for fast vectorized transpositions |
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2009
- 2009-10-07 EP EP19213835.2A patent/EP3640941A1/en active Pending
- 2009-10-07 TW TW098133982A patent/TWI419148B/en active
- 2009-10-07 RU RU2011117699/08A patent/RU2520402C2/en active
- 2009-10-07 CA CA2739736A patent/CA2739736C/en active Active
- 2009-10-07 WO PCT/EP2009/007205 patent/WO2010040522A2/en active Application Filing
- 2009-10-07 BR BRPI0914056-5A patent/BRPI0914056B1/en active IP Right Grant
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- 2009-10-07 KR KR1020137011185A patent/KR20130069833A/en not_active Application Discontinuation
- 2009-10-07 MY MYPI2011001560A patent/MY154633A/en unknown
- 2009-10-07 KR KR1020137031257A patent/KR20130133917A/en not_active Application Discontinuation
- 2009-10-07 KR KR1020117010644A patent/KR101403115B1/en active IP Right Grant
- 2009-10-07 CN CN200980140055.XA patent/CN102177426B/en active Active
- 2009-10-07 MX MX2011003824A patent/MX2011003824A/en active IP Right Grant
- 2009-10-07 EP EP09736835A patent/EP2345030A2/en not_active Ceased
- 2009-10-08 AR ARP090103876A patent/AR076060A1/en active IP Right Grant
-
2011
- 2011-04-06 ZA ZA2011/02537A patent/ZA201102537B/en unknown
- 2011-05-06 CO CO11055712A patent/CO6362072A2/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP2345030A2 (en) | 2011-07-20 |
| TWI419148B (en) | 2013-12-11 |
| CA2739736C (en) | 2015-12-01 |
| MX2011003824A (en) | 2011-05-02 |
| RU2011117699A (en) | 2012-11-10 |
| KR20130133917A (en) | 2013-12-09 |
| JP5555707B2 (en) | 2014-07-23 |
| EP3640941A1 (en) | 2020-04-22 |
| CN102177426A (en) | 2011-09-07 |
| AU2009301358A1 (en) | 2010-04-15 |
| TWI520128B (en) | 2016-02-01 |
| CA2739736A1 (en) | 2010-04-15 |
| BRPI0914056A2 (en) | 2015-11-03 |
| WO2010040522A2 (en) | 2010-04-15 |
| JP2012505423A (en) | 2012-03-01 |
| AU2009301358A8 (en) | 2011-05-26 |
| KR20110081291A (en) | 2011-07-13 |
| KR20130069833A (en) | 2013-06-26 |
| TW201344679A (en) | 2013-11-01 |
| TW201142827A (en) | 2011-12-01 |
| CN102177426B (en) | 2014-11-05 |
| RU2520402C2 (en) | 2014-06-27 |
| MY154633A (en) | 2015-07-15 |
| WO2010040522A3 (en) | 2010-09-02 |
| AR076060A1 (en) | 2011-05-18 |
| KR101403115B1 (en) | 2014-06-27 |
| CO6362072A2 (en) | 2012-01-20 |
| BRPI0914056B1 (en) | 2019-07-02 |
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