BR112018068643A2 - decodificação de sinal de áudio - Google Patents
decodificação de sinal de áudioInfo
- Publication number
- BR112018068643A2 BR112018068643A2 BR112018068643A BR112018068643A BR112018068643A2 BR 112018068643 A2 BR112018068643 A2 BR 112018068643A2 BR 112018068643 A BR112018068643 A BR 112018068643A BR 112018068643 A BR112018068643 A BR 112018068643A BR 112018068643 A2 BR112018068643 A2 BR 112018068643A2
- Authority
- BR
- Brazil
- Prior art keywords
- channel
- signal
- band signal
- domain high
- time domain
- Prior art date
Links
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/04—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
- 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
- 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
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)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
um aparelho inclui um receptor configurado para receber pelo menos um sinal codificado que inclui parâmetros de extensão de largura de banda entre canais (bwe). o dispositivo também inclui um decodificador configurado para gerar um sinal de banda alta de domínio de tempo de canal médio pela realização da extensão de largura de banda com base no pelo menos um sinal codificado. o decodificador também é configurado para gerar, com base no sinal de banda alta no domínio do tempo do canal médio e nos parâmetros de bwe entre canais, um primeiro sinal de banda alta de domínio de tempo de canal e um sinal de banda alta de domínio de tempo de segundo canal. o decodificador é adicionalmente configurado para gerar um sinal de canal alvo combinando o primeiro sinal de banda alta de domínio de tempo de canal e um primeiro sinal de banda baixa de primeiro canal, e gerar um sinal de canal de referência combinando o segundo sinal de banda alta de domínio de tempo de canal e um sinal de banda baixa de segundo canal. o decodificador também é configurado para gerar um sinal de canal alvo modificado pela modificação do sinal de canal alvo com base em um valor de descasamento temporal.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662310626P | 2016-03-18 | 2016-03-18 | |
US62/310,626 | 2016-03-18 | ||
US15/460,928 US10157621B2 (en) | 2016-03-18 | 2017-03-16 | Audio signal decoding |
US15/460,928 | 2017-03-16 | ||
PCT/US2017/023032 WO2017161313A1 (en) | 2016-03-18 | 2017-03-17 | Audio signal decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112018068643A2 true BR112018068643A2 (pt) | 2019-02-05 |
BR112018068643B1 BR112018068643B1 (pt) | 2023-04-04 |
Family
ID=58489062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018068643-3A BR112018068643B1 (pt) | 2016-03-18 | 2017-03-17 | Decodificação de sinal de áudio |
Country Status (9)
Country | Link |
---|---|
US (2) | US10157621B2 (pt) |
EP (1) | EP3430622B1 (pt) |
JP (1) | JP6929868B2 (pt) |
KR (1) | KR102461410B1 (pt) |
CN (1) | CN108701465B (pt) |
BR (1) | BR112018068643B1 (pt) |
CA (1) | CA3014676A1 (pt) |
TW (1) | TWI732832B (pt) |
WO (1) | WO2017161313A1 (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2980797A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition |
US9407989B1 (en) | 2015-06-30 | 2016-08-02 | Arthur Woodrow | Closed audio circuit |
US10109284B2 (en) * | 2016-02-12 | 2018-10-23 | Qualcomm Incorporated | Inter-channel encoding and decoding of multiple high-band audio signals |
US10157621B2 (en) | 2016-03-18 | 2018-12-18 | Qualcomm Incorporated | Audio signal decoding |
US10304468B2 (en) | 2017-03-20 | 2019-05-28 | Qualcomm Incorporated | Target sample generation |
US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
US10734001B2 (en) * | 2017-10-05 | 2020-08-04 | Qualcomm Incorporated | Encoding or decoding of audio signals |
US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
US10580420B2 (en) * | 2017-10-05 | 2020-03-03 | Qualcomm Incorporated | Encoding or decoding of audio signals |
US10650834B2 (en) * | 2018-01-10 | 2020-05-12 | Savitech Corp. | Audio processing method and non-transitory computer readable medium |
CN111740768A (zh) * | 2019-03-25 | 2020-10-02 | 华为技术有限公司 | 一种通信方法及设备 |
US10932122B1 (en) * | 2019-06-07 | 2021-02-23 | Sprint Communications Company L.P. | User equipment beam effectiveness |
CN113763980B (zh) * | 2021-10-30 | 2023-05-12 | 成都启英泰伦科技有限公司 | 一种回声消除方法 |
CN115622634B (zh) * | 2022-08-22 | 2023-08-04 | 荣耀终端有限公司 | 辐射杂散rse测试的控制方法、测试系统及存储介质 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8060042B2 (en) * | 2008-05-23 | 2011-11-15 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
US8355921B2 (en) * | 2008-06-13 | 2013-01-15 | Nokia Corporation | Method, apparatus and computer program product for providing improved audio processing |
EP2304723B1 (en) * | 2008-07-11 | 2012-10-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and a method for decoding an encoded audio signal |
CA3057366C (en) * | 2009-03-17 | 2020-10-27 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
PL2545553T3 (pl) * | 2010-03-09 | 2015-01-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do przetwarzania sygnału audio z użyciem zrównania granicy obszaru |
TR201904117T4 (tr) * | 2010-04-16 | 2019-05-21 | Fraunhofer Ges Forschung | Kılavuzlu bant genişliği uzantısı ve gözü kapalı bant genişliği uzantısı kullanılarak bir geniş bantlı sinyal üretilmesine yönelik aparat, yöntem ve bilgisayar programı. |
US9294060B2 (en) * | 2010-05-25 | 2016-03-22 | Nokia Technologies Oy | Bandwidth extender |
US8638951B2 (en) * | 2010-07-15 | 2014-01-28 | Motorola Mobility Llc | Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals |
JP6218855B2 (ja) * | 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. | 摩擦音または破擦音のオンセットまたはオフセットの時間的近接性における増大した時間分解能を使用するオーディオエンコーダ、オーディオデコーダ、システム、方法およびコンピュータプログラム |
US9595269B2 (en) * | 2015-01-19 | 2017-03-14 | Qualcomm Incorporated | Scaling for gain shape circuitry |
US10157621B2 (en) | 2016-03-18 | 2018-12-18 | Qualcomm Incorporated | Audio signal decoding |
-
2017
- 2017-03-16 US US15/460,928 patent/US10157621B2/en active Active
- 2017-03-17 CN CN201780016237.0A patent/CN108701465B/zh active Active
- 2017-03-17 BR BR112018068643-3A patent/BR112018068643B1/pt active IP Right Grant
- 2017-03-17 TW TW106109040A patent/TWI732832B/zh active
- 2017-03-17 JP JP2018548775A patent/JP6929868B2/ja active Active
- 2017-03-17 WO PCT/US2017/023032 patent/WO2017161313A1/en active Application Filing
- 2017-03-17 KR KR1020187026692A patent/KR102461410B1/ko active IP Right Grant
- 2017-03-17 CA CA3014676A patent/CA3014676A1/en active Pending
- 2017-03-17 EP EP17715566.0A patent/EP3430622B1/en active Active
-
2018
- 2018-11-19 US US16/195,638 patent/US10714100B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
BR112018068643B1 (pt) | 2023-04-04 |
EP3430622B1 (en) | 2021-07-14 |
KR20180125964A (ko) | 2018-11-26 |
CN108701465B (zh) | 2023-03-21 |
CN108701465A (zh) | 2018-10-23 |
US20190139556A1 (en) | 2019-05-09 |
EP3430622A1 (en) | 2019-01-23 |
US10714100B2 (en) | 2020-07-14 |
CA3014676A1 (en) | 2017-09-21 |
TW201737244A (zh) | 2017-10-16 |
JP2019512738A (ja) | 2019-05-16 |
US20170270935A1 (en) | 2017-09-21 |
US10157621B2 (en) | 2018-12-18 |
TWI732832B (zh) | 2021-07-11 |
KR102461410B1 (ko) | 2022-10-31 |
WO2017161313A1 (en) | 2017-09-21 |
JP6929868B2 (ja) | 2021-09-01 |
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B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/03/2017, OBSERVADAS AS CONDICOES LEGAIS |