BR112018076546A2 - decodificação de áudio com o uso de taxa de amostragem intermediária - Google Patents
decodificação de áudio com o uso de taxa de amostragem intermediáriaInfo
- Publication number
- BR112018076546A2 BR112018076546A2 BR112018076546A BR112018076546A BR112018076546A2 BR 112018076546 A2 BR112018076546 A2 BR 112018076546A2 BR 112018076546 A BR112018076546 A BR 112018076546A BR 112018076546 A BR112018076546 A BR 112018076546A BR 112018076546 A2 BR112018076546 A2 BR 112018076546A2
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- sampling rate
- intermediate sampling
- frame
- audio decoding
- 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
- G10L19/008—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662355138P | 2016-06-27 | 2016-06-27 | |
| US15/620,685 US10249307B2 (en) | 2016-06-27 | 2017-06-12 | Audio decoding using intermediate sampling rate |
| PCT/US2017/037190 WO2018005079A1 (en) | 2016-06-27 | 2017-06-13 | Audio decoding using intermediate sampling rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112018076546A2 true BR112018076546A2 (pt) | 2019-04-02 |
Family
ID=60677798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112018076546A BR112018076546A2 (pt) | 2016-06-27 | 2017-06-13 | decodificação de áudio com o uso de taxa de amostragem intermediária |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US10249307B2 (https=) |
| EP (1) | EP3475945B1 (https=) |
| JP (1) | JP6873165B2 (https=) |
| KR (2) | KR102729930B1 (https=) |
| CN (1) | CN109328383B (https=) |
| AU (1) | AU2017288254B2 (https=) |
| BR (1) | BR112018076546A2 (https=) |
| TW (1) | TWI725202B (https=) |
| WO (1) | WO2018005079A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10249307B2 (en) * | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
| US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
| KR102526699B1 (ko) * | 2018-09-13 | 2023-04-27 | 라인플러스 주식회사 | 통화 품질 정보를 제공하는 방법 및 장치 |
| KR102194595B1 (ko) | 2019-02-22 | 2020-12-23 | 엘지전자 주식회사 | 워터 디스펜싱 장치 |
| TWI703559B (zh) * | 2019-07-08 | 2020-09-01 | 瑞昱半導體股份有限公司 | 音效編碼解碼電路及音頻資料的處理方法 |
| CN111354365B (zh) * | 2020-03-10 | 2023-10-31 | 苏宁云计算有限公司 | 一种纯语音数据采样率识别方法、装置、系统 |
| US12488803B2 (en) * | 2021-06-04 | 2025-12-02 | Apple Inc. | Method and system for encoding and wirelessly transmitting stereo audio content for audio communication |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7970602B2 (en) * | 2005-02-24 | 2011-06-28 | Panasonic Corporation | Data reproduction device |
| BR112013008463B8 (pt) * | 2010-10-06 | 2022-04-05 | Fraunhofer Ges Zur Foerderung Der Angewandten Forschubg E V | Aparelho e método para processar um sinal de áudio e para prover uma granularidade temporal maior para um codec de fala e áudio unificado combinado (usac) |
| WO2012110473A1 (en) * | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
| US20140214431A1 (en) * | 2011-07-01 | 2014-07-31 | Dolby Laboratories Licensing Corporation | Sample rate scalable lossless audio coding |
| KR20190134821A (ko) * | 2013-04-05 | 2019-12-04 | 돌비 인터네셔널 에이비 | 스테레오 오디오 인코더 및 디코더 |
| RU2625444C2 (ru) * | 2013-04-05 | 2017-07-13 | Долби Интернэшнл Аб | Система обработки аудио |
| 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 |
| FR3007563A1 (fr) | 2013-06-25 | 2014-12-26 | France Telecom | Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences |
| EP2830054A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| 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 |
| 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 |
| US10249307B2 (en) | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
-
2017
- 2017-06-12 US US15/620,685 patent/US10249307B2/en active Active
- 2017-06-13 AU AU2017288254A patent/AU2017288254B2/en active Active
- 2017-06-13 JP JP2018567604A patent/JP6873165B2/ja active Active
- 2017-06-13 WO PCT/US2017/037190 patent/WO2018005079A1/en not_active Ceased
- 2017-06-13 KR KR1020237004017A patent/KR102729930B1/ko active Active
- 2017-06-13 CN CN201780039415.1A patent/CN109328383B/zh active Active
- 2017-06-13 BR BR112018076546A patent/BR112018076546A2/pt unknown
- 2017-06-13 EP EP17732683.2A patent/EP3475945B1/en active Active
- 2017-06-13 KR KR1020187037310A patent/KR102497366B1/ko active Active
- 2017-06-23 TW TW106120986A patent/TWI725202B/zh active
-
2019
- 2019-02-20 US US16/280,744 patent/US10902858B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TW201810250A (zh) | 2018-03-16 |
| TWI725202B (zh) | 2021-04-21 |
| US10249307B2 (en) | 2019-04-02 |
| EP3475945A1 (en) | 2019-05-01 |
| JP2019519002A (ja) | 2019-07-04 |
| CN109328383A (zh) | 2019-02-12 |
| JP6873165B2 (ja) | 2021-05-19 |
| KR102497366B1 (ko) | 2023-02-07 |
| AU2017288254A1 (en) | 2018-12-13 |
| KR20230023821A (ko) | 2023-02-17 |
| EP3475945B1 (en) | 2021-08-18 |
| CN109328383B (zh) | 2023-05-26 |
| US20170372708A1 (en) | 2017-12-28 |
| KR20190021253A (ko) | 2019-03-05 |
| KR102729930B1 (ko) | 2024-11-13 |
| US10902858B2 (en) | 2021-01-26 |
| WO2018005079A1 (en) | 2018-01-04 |
| AU2017288254B2 (en) | 2022-02-24 |
| US20190180761A1 (en) | 2019-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15I | Others concerning applications: loss of priority |
Free format text: PERDA DA PRIORIDADE US 15/620,685, DE 12/06/2017, REIVINDICADA NO PCT/US2017/037190, CONFORME AS DISPOSICOES PREVISTAS NA LEI 9.279 DE 14/05/1996 (LPI) ART. 16 7O, DECRETO NO. 635 DE 21/08/1992 E CONVENCAO DA UNIAO DE PARIS (REVISTA EM ESTOCOLMO 14/07/1967), ART. 4O, ALINEA C, ITEM 1. ESTA PERDA SE DEU PELO FATO DO BRASIL NAO ACEITAR RESTAURACAO DE PRIORIDADE (RESERVA DO BRASIL DE ACORDO COM A REGRA 49TER.1 ALINEA (G) E/OU 49TER.2 ALINEA (H) DO REGULAMENTO DE EXECUCAO DO PCT), RESTAURACAO ESTA QUE FOI CONCEDIDA PELA OMPI, JA QUE O PRAZO PARA O DEPOSITO INTERNACIONAL COM REIVINDICACAO DE PRIORIDADE ULTRAPASSOU OS 12 MESES. |
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| B12F | Other appeals [chapter 12.6 patent gazette] | ||
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] |