BR112018076546A2 - decodificação de áudio com o uso de taxa de amostragem intermediária - Google Patents

decodificação de áudio com o uso de taxa de amostragem intermediária

Info

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
Application number
BR112018076546A
Other languages
English (en)
Portuguese (pt)
Inventor
Subrahmanyam Chandra Sekhar Chebiyyam Venkata
Atti Venkatraman
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018076546A2 publication Critical patent/BR112018076546A2/pt

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)
BR112018076546A 2016-06-27 2017-06-13 decodificação de áudio com o uso de taxa de amostragem intermediária BR112018076546A2 (pt)

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 (OSRAM)
EP (1) EP3475945B1 (OSRAM)
JP (1) JP6873165B2 (OSRAM)
KR (2) KR102497366B1 (OSRAM)
CN (1) CN109328383B (OSRAM)
AU (1) AU2017288254B2 (OSRAM)
BR (1) BR112018076546A2 (OSRAM)
TW (1) TWI725202B (OSRAM)
WO (1) WO2018005079A1 (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7970602B2 (en) * 2005-02-24 2011-06-28 Panasonic Corporation Data reproduction device
CA2813859C (en) * 2010-10-06 2016-07-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac)
JP6110314B2 (ja) * 2011-02-14 2017-04-05 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 整列したルックアヘッド部分を用いてオーディオ信号を符号化及び復号するための装置並びに方法
JP5926377B2 (ja) * 2011-07-01 2016-05-25 ドルビー ラボラトリーズ ライセンシング コーポレイション サンプルレートスケーラブル可逆オーディオコーディング
CN116741187A (zh) * 2013-04-05 2023-09-12 杜比国际公司 立体声音频编码器和解码器
EP2981956B1 (en) * 2013-04-05 2022-11-30 Dolby International AB Audio processing system
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
EP2830063A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for decoding an encoded 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
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
US10249307B2 (en) * 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate

Also Published As

Publication number Publication date
TW201810250A (zh) 2018-03-16
TWI725202B (zh) 2021-04-21
JP6873165B2 (ja) 2021-05-19
US20170372708A1 (en) 2017-12-28
AU2017288254A1 (en) 2018-12-13
US10902858B2 (en) 2021-01-26
US10249307B2 (en) 2019-04-02
AU2017288254B2 (en) 2022-02-24
KR102497366B1 (ko) 2023-02-07
CN109328383A (zh) 2019-02-12
US20190180761A1 (en) 2019-06-13
KR20190021253A (ko) 2019-03-05
JP2019519002A (ja) 2019-07-04
KR102729930B1 (ko) 2024-11-13
WO2018005079A1 (en) 2018-01-04
EP3475945B1 (en) 2021-08-18
KR20230023821A (ko) 2023-02-17
EP3475945A1 (en) 2019-05-01
CN109328383B (zh) 2023-05-26

Similar Documents

Publication Publication Date Title
MX2024006308A (es) Descodificacion de secuencias de bits de audio con metadatos de replicacion de banda espectral mejorada en al menos un elemento de relleno
BR112017021351A2 (pt) seleção de largura de banda de áudio
BR112017003887A2 (pt) ?codificador, decodificador e método para codificar e decodificar conteúdo de áudio com o uso de parâmetros para aprimorar uma ocultação?.
WO2020016735A3 (en) Block size restriction for video coding
BR112015019435A2 (pt) codificador e decodificador de áudio com informações de programa ou metadados de estrutura de substream
CL2012001493A1 (es) Un metodo para decodificar una trama de una señal de audio digital codificada.
MY175460A (en) Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
MY185366A (en) Audio information processing method and device
MY204542A (en) Decoding of audio scenes
MX2021015312A (es) Codificador, decodificador, metodos y programas informaticos con una escala mejorada basada en transformacion.
MY203778A (en) Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
BR112022023315A2 (pt) Aparelho e método para receber fluxo de dados de vídeo, fluxo de dados de vídeo, codificador e decodificador de vídeo, e método para codificar um vídeo em um fluxo de dados de vídeo
MX377427B (es) Esquema de control de velocidad de panico multi-etapa para codificadores.
MX353188B (es) Aparato y método para codificación, procesamiento y decodificación de la envolvente de la señal de audio mediante división de la envolvente de la señal de audio, mediante el uso de cuantificación de distribución y codificación.
MY183444A (en) Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program
TH182771A (OSRAM)
TH1601002086A (th) ตัวถอดรหัสสัญญาณเสียง เครื่องสำหรับการสร้างข้อมูลด้านออกของสัญญาณเสียงที่ได้รับการเข้ารหัส และวิธีการที่ยอมให้มีการเริ่มต้นตัวถอดรหัส
TH2501006149A (th) ตัวถอดรหัสเสียง เครื่องสำหรับการสร้างข้อมูลเอาต์พุตของเสียงที่ได้รับการเข้ารหัส และวิธีการที่ยอมให้มีการเริ่มต้นตัวถอดรหัส
TH2501003444A (th) ตัวเข้ารหัสและตัวถอดรหัสเสียงที่มีสารสนเทศของโปรแกรมหรือเมตะดาตาของโครงสร้างกระแสข้อมูลย่อย
TH2501003449A (th) ตัวเข้ารหัสและตัวถอดรหัสเสียงที่มีสารสนเทศของโปรแกรมหรือเมตะดาตาของโครงสร้างกระแสข้อมูลย่อย
AR096997A1 (es) Aparato y método para la codificación eficiente de metadatos de objetos

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.

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]
B09B Patent application refused [chapter 9.2 patent gazette]