AU2016278717B2 - Downscaled decoding - Google Patents
Downscaled decoding Download PDFInfo
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- AU2016278717B2 AU2016278717B2 AU2016278717A AU2016278717A AU2016278717B2 AU 2016278717 B2 AU2016278717 B2 AU 2016278717B2 AU 2016278717 A AU2016278717 A AU 2016278717A AU 2016278717 A AU2016278717 A AU 2016278717A AU 2016278717 B2 AU2016278717 B2 AU 2016278717B2
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- Australia
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- audio decoder
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- 238000003786 synthesis reaction Methods 0.000 claims abstract description 95
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 94
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000002123 temporal effect Effects 0.000 claims description 91
- 230000003595 spectral effect Effects 0.000 claims description 62
- 230000005236 sound signal Effects 0.000 claims description 49
- 230000006870 function Effects 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000012952 Resampling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G10L19/02—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
- G10L19/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15172282 | 2015-06-16 | ||
| EP15172282.4 | 2015-06-16 | ||
| EP15189398.9A EP3107096A1 (en) | 2015-06-16 | 2015-10-12 | Downscaled decoding |
| EP15189398.9 | 2015-10-12 | ||
| PCT/EP2016/063371 WO2016202701A1 (en) | 2015-06-16 | 2016-06-10 | Downscaled decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2016278717A1 AU2016278717A1 (en) | 2018-01-04 |
| AU2016278717B2 true AU2016278717B2 (en) | 2019-02-14 |
Family
ID=53483698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2016278717A Active AU2016278717B2 (en) | 2015-06-16 | 2016-06-10 | Downscaled decoding |
Country Status (20)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017129270A1 (en) * | 2016-01-29 | 2017-08-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improving a transition from a concealed audio signal portion to a succeeding audio signal portion of an audio signal |
| CN115050378B (zh) * | 2022-05-19 | 2024-06-07 | 腾讯科技（深圳）有限公司 | 音频编解码方法及相关产品 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013142650A1 (en) * | 2012-03-23 | 2013-09-26 | Dolby International Ab | Enabling sampling rate diversity in a voice communication system |
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| KR100335611B1 (ko) | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| US6351730B2 (en) * | 1998-03-30 | 2002-02-26 | Lucent Technologies Inc. | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
| EP0957580B1 (en) * | 1998-05-15 | 2008-04-02 | Thomson | Method and apparatus for sampling-rate conversion of audio signals |
| US7542896B2 (en) | 2002-07-16 | 2009-06-02 | Koninklijke Philips Electronics N.V. | Audio coding/decoding with spatial parameters and non-uniform segmentation for transients |
| CA2453814C (en) * | 2002-07-19 | 2010-03-09 | Nec Corporation | Audio decoding apparatus and decoding method and program |
| FR2852172A1 (fr) * | 2003-03-04 | 2004-09-10 | France Telecom | Procede et dispositif de reconstruction spectrale d'un signal audio |
| US20050047793A1 (en) * | 2003-08-28 | 2005-03-03 | David Butler | Scheme for reducing low frequency components in an optical transmission network |
| CN1677492A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
| JP4626261B2 (ja) * | 2004-10-21 | 2011-02-02 | カシオ計算機株式会社 | 音声符号化装置及び音声符号化方法 |
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| EP2077550B8 (en) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audio encoder and decoder |
| MX2011000375A (es) | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| EP2144171B1 (en) * | 2008-07-11 | 2018-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
| KR101381513B1 (ko) | 2008-07-14 | 2014-04-07 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| JP5511785B2 (ja) * | 2009-02-26 | 2014-06-04 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
| TWI556227B (zh) * | 2009-05-27 | 2016-11-01 | 杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
| ES2441069T3 (es) | 2009-10-08 | 2014-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación |
| WO2011048118A1 (en) | 2009-10-20 | 2011-04-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
| JP5247937B2 (ja) | 2009-10-20 | 2013-07-24 | 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 | オーディオ信号符号器、オーディオ信号復号器、エイリアシング消去を用いたオーディオ信号の符号化又は復号化方法 |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
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| PL2603913T3 (pl) * | 2010-08-12 | 2014-11-28 | Fraunhofer Ges Forschung | Ponowne próbkowanie sygnałów wyjściowych kodeków audio na bazie QMF |
| WO2012048472A1 (en) * | 2010-10-15 | 2012-04-19 | Huawei Technologies Co., Ltd. | Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer |
| US9037456B2 (en) * | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| CN102419978B (zh) * | 2011-08-23 | 2013-03-27 | 展讯通信（上海）有限公司 | 音频解码器、音频解码的频谱重构方法及装置 |
| WO2013068634A1 (en) * | 2011-11-10 | 2013-05-16 | Nokia Corporation | A method and apparatus for detecting audio sampling rate |
| CN107731237B (zh) * | 2012-09-24 | 2021-07-20 | 三星电子株式会社 | 时域帧错误隐藏设备 |
| EP2720222A1 (en) * | 2012-10-10 | 2014-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns |
| EP3525207A1 (en) * | 2013-02-20 | 2019-08-14 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap |
| CN104078048B (zh) * | 2013-03-29 | 2017-05-03 | 北京天籁传音数字技术有限公司 | 一种声音解码装置及其方法 |
| AU2014247000B2 (en) * | 2013-04-05 | 2017-04-20 | Dolby International Ab | Audio encoder and decoder |
| TWI557727B (zh) * | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| WO2014161996A2 (en) * | 2013-04-05 | 2014-10-09 | Dolby International Ab | Audio processing system |
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| 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 |
| ES2709274T3 (es) | 2014-10-24 | 2019-04-15 | Dolby Int Ab | Codificación y decodificación de señales de audio |
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2015
- 2015-10-12 EP EP15189398.9A patent/EP3107096A1/en not_active Withdrawn
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2016
- 2016-06-03 TW TW105117582A patent/TWI611398B/zh active
- 2016-06-10 EP EP23174596.9A patent/EP4239633A3/en active Pending
- 2016-06-10 CN CN202111617514.8A patent/CN114255768A/zh active Pending
- 2016-06-10 FI FIEP16730777.6T patent/FI3311380T3/fi active
- 2016-06-10 EP EP24165638.8A patent/EP4386746A2/en active Pending
- 2016-06-10 PT PT167307776T patent/PT3311380T/pt unknown
- 2016-06-10 AU AU2016278717A patent/AU2016278717B2/en active Active
- 2016-06-10 KR KR1020237034199A patent/KR102660438B1/ko active IP Right Grant
- 2016-06-10 CN CN202111617515.2A patent/CN114255769A/zh active Pending
- 2016-06-10 CA CA3150637A patent/CA3150637C/en active Active
- 2016-06-10 JP JP2017565693A patent/JP6637079B2/ja active Active
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- 2016-06-10 EP EP23174598.5A patent/EP4231287A1/en active Pending
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- 2016-06-10 PL PL16730777.6T patent/PL3311380T3/pl unknown
- 2016-06-10 EP EP23174593.6A patent/EP4239632A3/en active Pending
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- 2016-06-10 KR KR1020227020909A patent/KR102502643B1/ko active IP Right Grant
- 2016-06-10 WO PCT/EP2016/063371 patent/WO2016202701A1/en active Application Filing
- 2016-06-10 CN CN202111617877.1A patent/CN114255772A/zh active Pending
- 2016-06-10 EP EP23174595.1A patent/EP4235658A3/en active Pending
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- 2016-06-10 CN CN202111617731.7A patent/CN114255771A/zh active Pending
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- 2016-06-10 MX MX2017016171A patent/MX2017016171A/es active IP Right Grant
- 2016-06-10 CA CA3150643A patent/CA3150643A1/en active Pending
- 2016-06-10 KR KR1020237034197A patent/KR20230145251A/ko not_active Application Discontinuation
- 2016-06-10 EP EP23174592.8A patent/EP4239631A3/en active Pending
- 2016-06-10 ES ES16730777T patent/ES2950408T3/es active Active
- 2016-06-10 MY MYPI2017001760A patent/MY178530A/en unknown
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2017
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2018
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2019
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2021
- 2021-02-12 JP JP2021020355A patent/JP7089079B2/ja active Active
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2023
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- 2023-05-09 US US18/195,220 patent/US20230360657A1/en active Pending
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- 2023-07-27 JP JP2023122204A patent/JP2023159096A/ja active Pending
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013142650A1 (en) * | 2012-03-23 | 2013-09-26 | Dolby International Ab | Enabling sampling rate diversity in a voice communication system |
Non-Patent Citations (1)
| Title |
|---|
| JUIN-HWEY CHEN, "A high-fidelity speech and audio codec with low delay and low complexity", 2013 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING; VANCOUCER, BC; 26-31 MAY 2013, vol. 2, pages 1161-1164 * |
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| US20240005931A1 (en) | Downscaled decoding |
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