CA2990392C - System and method for decoding an encoded audio signal using selective temporal shaping - Google Patents
System and method for decoding an encoded audio signal using selective temporal shaping Download PDFInfo
- Publication number
- CA2990392C CA2990392C CA2990392A CA2990392A CA2990392C CA 2990392 C CA2990392 C CA 2990392C CA 2990392 A CA2990392 A CA 2990392A CA 2990392 A CA2990392 A CA 2990392A CA 2990392 C CA2990392 C CA 2990392C
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- temporal envelope
- decoding
- frequency band
- signal
- audio
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- 230000002123 temporal effect Effects 0.000 title claims abstract description 329
- 230000005236 sound signal Effects 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims description 54
- 238000007493 shaping process Methods 0.000 title abstract description 134
- 238000004458 analytical method Methods 0.000 claims abstract description 31
- 238000013139 quantization Methods 0.000 description 39
- 230000000630 rising effect Effects 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 230000002087 whitening effect Effects 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 238000012300 Sequence Analysis Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- G10L19/0204—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 subband decomposition
-
- 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-060650 | 2014-03-24 | ||
| JP2014060650A JP6035270B2 (ja) | 2014-03-24 | 2014-03-24 | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
| CA2942885A CA2942885C (en) | 2014-03-24 | 2015-03-20 | System and method for decoding an encoded audio signal using selective temporal shaping |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2942885A Division CA2942885C (en) | 2014-03-24 | 2015-03-20 | System and method for decoding an encoded audio signal using selective temporal shaping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2990392A1 CA2990392A1 (en) | 2015-10-01 |
| CA2990392C true CA2990392C (en) | 2021-08-03 |
Family
ID=54195375
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2990392A Active CA2990392C (en) | 2014-03-24 | 2015-03-20 | System and method for decoding an encoded audio signal using selective temporal shaping |
| CA2942885A Active CA2942885C (en) | 2014-03-24 | 2015-03-20 | System and method for decoding an encoded audio signal using selective temporal shaping |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2942885A Active CA2942885C (en) | 2014-03-24 | 2015-03-20 | System and method for decoding an encoded audio signal using selective temporal shaping |
Country Status (20)
| Country | Link |
|---|---|
| US (4) | US10410647B2 (enExample) |
| EP (3) | EP3125243B1 (enExample) |
| JP (1) | JP6035270B2 (enExample) |
| KR (7) | KR102038077B1 (enExample) |
| CN (2) | CN106133829B (enExample) |
| AU (7) | AU2015235133B2 (enExample) |
| BR (1) | BR112016021165B1 (enExample) |
| CA (2) | CA2990392C (enExample) |
| DK (2) | DK3125243T3 (enExample) |
| ES (2) | ES2772173T3 (enExample) |
| FI (1) | FI3621073T3 (enExample) |
| HU (1) | HUE065961T2 (enExample) |
| MX (2) | MX354434B (enExample) |
| MY (1) | MY165849A (enExample) |
| PH (1) | PH12016501844B1 (enExample) |
| PL (2) | PL3125243T3 (enExample) |
| PT (2) | PT3621073T (enExample) |
| RU (7) | RU2631155C1 (enExample) |
| TW (6) | TWI773992B (enExample) |
| WO (1) | WO2015146860A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5997592B2 (ja) | 2012-04-27 | 2016-09-28 | 株式会社Ｎｔｔドコモ | 音声復号装置 |
| JP6035270B2 (ja) | 2014-03-24 | 2016-11-30 | 株式会社Ｎｔｔドコモ | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
| 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 |
| DE102017204181A1 (de) | 2017-03-14 | 2018-09-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sender zum Emittieren von Signalen und Empfänger zum Empfangen von Signalen |
| EP3382700A1 (en) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using a transient location detection |
| EP3382701A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using prediction based shaping |
| US11496152B2 (en) * | 2018-08-08 | 2022-11-08 | Sony Corporation | Decoding device, decoding method, and program |
| CN111314778B (zh) * | 2020-03-02 | 2021-09-07 | 北京小鸟科技股份有限公司 | 基于多种压缩制式的编解码融合处理方法、系统及装置 |
| CN115472171B (zh) * | 2021-06-11 | 2024-11-22 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
| WO2024218334A1 (en) * | 2023-04-21 | 2024-10-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for audio signal coding with temporal noise shaping on subband signals |
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| JPS5913508B2 (ja) | 1975-06-23 | 1984-03-30 | オオツカセイヤク カブシキガイシヤ | アシルオキシ置換カルボスチリル誘導体の製造法 |
| JP3155560B2 (ja) | 1991-05-27 | 2001-04-09 | 株式会社コガネイ | マニホールドバルブ |
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| AU2002226717B2 (en) * | 2001-03-02 | 2004-05-06 | Matsushita Electric Industrial Co., Ltd. | Apparatus for coding scaling factors in an audio coder |
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| PL1869673T3 (pl) * | 2005-04-01 | 2011-03-31 | Qualcomm Inc | Sposoby i urządzenia do kodowania i dekodowania górnopasmowej części sygnału mowy |
| DE602006004959D1 (de) * | 2005-04-15 | 2009-03-12 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
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| KR101001835B1 (ko) * | 2006-03-28 | 2010-12-15 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법 |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
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| CN101335000B (zh) * | 2008-03-26 | 2010-04-21 | 华为技术有限公司 | 编码的方法及装置 |
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| KR101425290B1 (ko) * | 2009-10-08 | 2014-08-01 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 멀티-모드 오디오 신호 디코더, 멀티-모드 오디오 신호 인코더 및 선형-예측-코딩 기반의 노이즈 성형을 사용하는 방법 및 컴퓨터 프로그램 |
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| JP2012163919A (ja) * | 2011-02-09 | 2012-08-30 | Sony Corp | 音声信号処理装置、および音声信号処理方法、並びにプログラム |
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| KR101897455B1 (ko) * | 2012-04-16 | 2018-10-04 | 삼성전자주식회사 | 음질 향상 장치 및 방법 |
| JP5997592B2 (ja) * | 2012-04-27 | 2016-09-28 | 株式会社Ｎｔｔドコモ | 音声復号装置 |
| JP6035270B2 (ja) | 2014-03-24 | 2016-11-30 | 株式会社Ｎｔｔドコモ | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
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2014
- 2014-03-24 JP JP2014060650A patent/JP6035270B2/ja active Active
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2015
- 2015-03-20 EP EP15768907.6A patent/EP3125243B1/en active Active
- 2015-03-20 DK DK15768907.6T patent/DK3125243T3/da active
- 2015-03-20 EP EP23207259.5A patent/EP4293667A3/en active Pending
- 2015-03-20 MX MX2016012393A patent/MX354434B/es active IP Right Grant
- 2015-03-20 RU RU2016141264A patent/RU2631155C1/ru active
- 2015-03-20 AU AU2015235133A patent/AU2015235133B2/en active Active
- 2015-03-20 PT PT192055960T patent/PT3621073T/pt unknown
- 2015-03-20 EP EP19205596.0A patent/EP3621073B1/en active Active
- 2015-03-20 ES ES15768907T patent/ES2772173T3/es active Active
- 2015-03-20 KR KR1020187028501A patent/KR102038077B1/ko active Active
- 2015-03-20 PL PL15768907T patent/PL3125243T3/pl unknown
- 2015-03-20 ES ES19205596T patent/ES2974029T3/es active Active
- 2015-03-20 KR KR1020167026675A patent/KR101782935B1/ko active Active
- 2015-03-20 CA CA2990392A patent/CA2990392C/en active Active
- 2015-03-20 WO PCT/JP2015/058608 patent/WO2015146860A1/ja not_active Ceased
- 2015-03-20 KR KR1020207006992A patent/KR102124962B1/ko active Active
- 2015-03-20 MY MYPI2016703472A patent/MY165849A/en unknown
- 2015-03-20 KR KR1020207006991A patent/KR102126044B1/ko active Active
- 2015-03-20 HU HUE19205596A patent/HUE065961T2/hu unknown
- 2015-03-20 PL PL19205596.0T patent/PL3621073T3/pl unknown
- 2015-03-20 RU RU2017131210A patent/RU2654141C1/ru active
- 2015-03-20 FI FIEP19205596.0T patent/FI3621073T3/fi active
- 2015-03-20 KR KR1020207017473A patent/KR102208915B1/ko active Active
- 2015-03-20 CN CN201580015128.8A patent/CN106133829B/zh active Active
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