BRPI0722425A2 - Método para sintetizar um sinal de áudio binaural; decodificador de áudio paramétrico; produto para programa de computador, armazenado em meio legível por computador e operável em um dispositivo de processamento de dados, destinado a processar um sinal de áudio parametricamente codificado, compreendendo pelo menos um sinal combinado de diversoso canais de áudio, e um ou mais conjuntos correspondentes de informações auxiliares descrevendo uma imagem sonora de canal múltiplo; aparelho para sintetizar um sinal de áudio binaural - Google Patents

Método para sintetizar um sinal de áudio binaural; decodificador de áudio paramétrico; produto para programa de computador, armazenado em meio legível por computador e operável em um dispositivo de processamento de dados, destinado a processar um sinal de áudio parametricamente codificado, compreendendo pelo menos um sinal combinado de diversoso canais de áudio, e um ou mais conjuntos correspondentes de informações auxiliares descrevendo uma imagem sonora de canal múltiplo; aparelho para sintetizar um sinal de áudio binaural

Info

Publication number
BRPI0722425A2
BRPI0722425A2 BRPI0722425-7A2A BRPI0722425A BRPI0722425A2 BR PI0722425 A2 BRPI0722425 A2 BR PI0722425A2 BR PI0722425 A BRPI0722425 A BR PI0722425A BR PI0722425 A2 BRPI0722425 A2 BR PI0722425A2
Authority
BR
Brazil
Prior art keywords
synthesizing
sign
audio sign
computer
binaural
Prior art date
Application number
BRPI0722425-7A2A
Other languages
English (en)
Inventor
Pasi Ojala
Julia Turku
Mauri Vaeaenaenen
Mikko Tammi
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority claimed from PCT/FI2007/050005 external-priority patent/WO2007080225A1/en
Publication of BRPI0722425A2 publication Critical patent/BRPI0722425A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
BRPI0722425-7A2A 2006-01-09 2007-01-04 Método para sintetizar um sinal de áudio binaural; decodificador de áudio paramétrico; produto para programa de computador, armazenado em meio legível por computador e operável em um dispositivo de processamento de dados, destinado a processar um sinal de áudio parametricamente codificado, compreendendo pelo menos um sinal combinado de diversoso canais de áudio, e um ou mais conjuntos correspondentes de informações auxiliares descrevendo uma imagem sonora de canal múltiplo; aparelho para sintetizar um sinal de áudio binaural BRPI0722425A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/FI2006/050014 WO2007080211A1 (en) 2006-01-09 2006-01-09 Decoding of binaural audio signals
US11/334,041 US20070160218A1 (en) 2006-01-09 2006-01-17 Decoding of binaural audio signals
US11/354,211 US20070160219A1 (en) 2006-01-09 2006-02-13 Decoding of binaural audio signals
PCT/FI2007/050005 WO2007080225A1 (en) 2006-01-09 2007-01-04 Decoding of binaural audio signals

Publications (1)

Publication Number Publication Date
BRPI0722425A2 true BRPI0722425A2 (pt) 2014-10-29

Family

ID=38232768

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0706306-7A BRPI0706306A2 (pt) 2006-01-09 2007-01-04 método e aparelho para a sintetização de um sinal de áudio binaural; método;.método para sintetização de um sinal de áudio estéreo; decodificador de áudio paramétrico; produto de programa de computador, armazenado em uma mìdia legìvel por computador e executável em um dispositivo de processamento de dados, para processar um sinal de aúdio parametricamente codificado que compreende, ao menos, um sinal combinado de uma pluralidade de canais de áudio e um ou mais conjuntos de informação correspondentes que descrevem uma imagem sonora de canal múltiplo; método para gerar um sinal de áudio parametricamente codificado; codificador de áudio paramétrico para gerar um sinal áudio parametricamente codificado; produto de programa de computador, armazenado em uma mìdia legìvel por computador e executável em um dispositivo de processamento de dados, para gerar um sinal de áudio parametricamente codificado
BRPI0722425-7A2A BRPI0722425A2 (pt) 2006-01-09 2007-01-04 Método para sintetizar um sinal de áudio binaural; decodificador de áudio paramétrico; produto para programa de computador, armazenado em meio legível por computador e operável em um dispositivo de processamento de dados, destinado a processar um sinal de áudio parametricamente codificado, compreendendo pelo menos um sinal combinado de diversoso canais de áudio, e um ou mais conjuntos correspondentes de informações auxiliares descrevendo uma imagem sonora de canal múltiplo; aparelho para sintetizar um sinal de áudio binaural

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0706306-7A BRPI0706306A2 (pt) 2006-01-09 2007-01-04 método e aparelho para a sintetização de um sinal de áudio binaural; método;.método para sintetização de um sinal de áudio estéreo; decodificador de áudio paramétrico; produto de programa de computador, armazenado em uma mìdia legìvel por computador e executável em um dispositivo de processamento de dados, para processar um sinal de aúdio parametricamente codificado que compreende, ao menos, um sinal combinado de uma pluralidade de canais de áudio e um ou mais conjuntos de informação correspondentes que descrevem uma imagem sonora de canal múltiplo; método para gerar um sinal de áudio parametricamente codificado; codificador de áudio paramétrico para gerar um sinal áudio parametricamente codificado; produto de programa de computador, armazenado em uma mìdia legìvel por computador e executável em um dispositivo de processamento de dados, para gerar um sinal de áudio parametricamente codificado

Country Status (11)

Country Link
US (2) US20070160218A1 (pt)
EP (2) EP1971979A4 (pt)
JP (2) JP2009522895A (pt)
KR (3) KR20110002491A (pt)
CN (2) CN101366081A (pt)
AU (2) AU2007204332A1 (pt)
BR (2) BRPI0706306A2 (pt)
CA (2) CA2635024A1 (pt)
RU (2) RU2409911C2 (pt)
TW (2) TW200746871A (pt)
WO (1) WO2007080211A1 (pt)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
KR100803212B1 (ko) 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100902899B1 (ko) * 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
CN101390443B (zh) 2006-02-21 2010-12-01 皇家飞利浦电子股份有限公司 音频编码和解码
KR100773560B1 (ko) * 2006-03-06 2007-11-05 삼성전자주식회사 스테레오 신호 생성 방법 및 장치
KR100754220B1 (ko) * 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
US8392176B2 (en) 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
JP2009539132A (ja) * 2006-05-30 2009-11-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号の線形予測符号化
US8027479B2 (en) 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
FR2903562A1 (fr) * 2006-07-07 2008-01-11 France Telecom Spatialisation binaurale de donnees sonores encodees en compression.
USRE50721E1 (en) * 2006-07-07 2025-12-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
WO2008009175A1 (en) * 2006-07-14 2008-01-24 Anyka (Guangzhou) Software Technologiy Co., Ltd. Method and system for multi-channel audio encoding and decoding with backward compatibility based on maximum entropy rule
KR100763920B1 (ko) * 2006-08-09 2007-10-05 삼성전자주식회사 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2채널의 바이노럴 신호로 복호화하는 방법 및 장치
FR2906099A1 (fr) * 2006-09-20 2008-03-21 France Telecom Procede de transfert d'un flux audio entre plusieurs terminaux
EP2118888A4 (en) * 2007-01-05 2010-04-21 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
US9197977B2 (en) * 2007-03-01 2015-11-24 Genaudio, Inc. Audio spatialization and environment simulation
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
US8126172B2 (en) * 2007-12-06 2012-02-28 Harman International Industries, Incorporated Spatial processing stereo system
JP5243554B2 (ja) * 2008-01-01 2013-07-24 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
US8654994B2 (en) * 2008-01-01 2014-02-18 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US9025775B2 (en) * 2008-07-01 2015-05-05 Nokia Corporation Apparatus and method for adjusting spatial cue information of a multichannel audio signal
KR101230691B1 (ko) * 2008-07-10 2013-02-07 한국전자통신연구원 공간정보 기반의 다객체 오디오 부호화에서의 오디오 객체 편집 방법 및 그 장치
CN102138176B (zh) * 2008-07-11 2013-11-06 日本电气株式会社 信号分析装置、信号控制装置及其方法
EP3002750B1 (en) 2008-07-11 2017-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding audio samples
KR101614160B1 (ko) * 2008-07-16 2016-04-20 한국전자통신연구원 포스트 다운믹스 신호를 지원하는 다객체 오디오 부호화 장치 및 복호화 장치
US8315396B2 (en) 2008-07-17 2012-11-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio output signals using object based metadata
US8798776B2 (en) * 2008-09-30 2014-08-05 Dolby International Ab Transcoding of audio metadata
EP2175670A1 (en) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
KR101499785B1 (ko) 2008-10-23 2015-03-09 삼성전자주식회사 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법
WO2010058931A2 (en) * 2008-11-14 2010-05-27 Lg Electronics Inc. A method and an apparatus for processing a signal
US20100137030A1 (en) * 2008-12-02 2010-06-03 Motorola, Inc. Filtering a list of audible items
RU2011130551A (ru) * 2008-12-22 2013-01-27 Конинклейке Филипс Электроникс Н.В. Формирование выходного сигнала посредством обработки сенд-эффектов
KR101496760B1 (ko) * 2008-12-29 2015-02-27 삼성전자주식회사 서라운드 사운드 가상화 방법 및 장치
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
CN102804806A (zh) * 2009-06-23 2012-11-28 诺基亚公司 用于处理音频信号的方法及装置
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
US8434006B2 (en) * 2009-07-31 2013-04-30 Echostar Technologies L.L.C. Systems and methods for adjusting volume of combined audio channels
ES2531013T3 (es) 2009-10-20 2015-03-10 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, método para codificar información de audio, método para decodificar información de audio y programa de computación que usa la detección de un grupo de valores espectrales previamente decodificados
ES3051141T3 (en) * 2009-10-21 2025-12-26 Dolby Int Ab Oversampling in a combined transposer filter bank
BR122021008581B1 (pt) * 2010-01-12 2022-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, e método de decodificação de uma informação de áudio que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo
US20130166307A1 (en) * 2010-09-22 2013-06-27 Dolby Laboratories Licensing Corporation Efficient Implementation of Phase Shift Filtering for Decorrelation and Other Applications in an Audio Coding System
WO2012093352A1 (en) * 2011-01-05 2012-07-12 Koninklijke Philips Electronics N.V. An audio system and method of operation therefor
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101699898B1 (ko) * 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
EP2676267B1 (en) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
US20140056450A1 (en) * 2012-08-22 2014-02-27 Able Planet Inc. Apparatus and method for psychoacoustic balancing of sound to accommodate for asymmetrical hearing loss
WO2014111765A1 (en) 2013-01-15 2014-07-24 Koninklijke Philips N.V. Binaural audio processing
WO2014111829A1 (en) * 2013-01-17 2014-07-24 Koninklijke Philips N.V. Binaural audio processing
DK2981963T3 (en) 2013-04-05 2017-02-27 Dolby Laboratories Licensing Corp COMPRESSION APPARATUS AND PROCEDURE TO REDUCE QUANTIZATION NOISE USING ADVANCED SPECTRAL EXTENSION
WO2014171791A1 (ko) 2013-04-19 2014-10-23 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
KR102150955B1 (ko) 2013-04-19 2020-09-02 한국전자통신연구원 다채널 오디오 신호 처리 장치 및 방법
BR112015030672B1 (pt) 2013-06-10 2021-02-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V aparelho e método de codificação, processamento e decodificação de envelope de sinal de áudio por divisão do envelope de sinal de áudio empregando codificação e quantização de distribuição
SG11201510162WA (en) 2013-06-10 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
US9319819B2 (en) 2013-07-25 2016-04-19 Etri Binaural rendering method and apparatus for decoding multi channel audio
EP3293734B1 (en) 2013-09-12 2019-05-15 Dolby International AB Decoding of multichannel audio content
TWI774136B (zh) * 2013-09-12 2022-08-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
KR102159990B1 (ko) 2013-09-17 2020-09-25 주식회사 윌러스표준기술연구소 멀티미디어 신호 처리 방법 및 장치
US9143878B2 (en) * 2013-10-09 2015-09-22 Voyetra Turtle Beach, Inc. Method and system for headset with automatic source detection and volume control
US10580417B2 (en) 2013-10-22 2020-03-03 Industry-Academic Cooperation Foundation, Yonsei University Method and apparatus for binaural rendering audio signal using variable order filtering in frequency domain
EP4421617A3 (en) 2013-10-31 2024-11-06 Dolby Laboratories Licensing Corporation Binaural rendering for headphones using metadata processing
CN104681034A (zh) 2013-11-27 2015-06-03 杜比实验室特许公司 音频信号处理
KR101627657B1 (ko) 2013-12-23 2016-06-07 주식회사 윌러스표준기술연구소 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
KR102356012B1 (ko) 2013-12-27 2022-01-27 소니그룹주식회사 복호화 장치 및 방법, 및 프로그램
CN107835483B (zh) 2014-01-03 2020-07-28 杜比实验室特许公司 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
CN104768121A (zh) 2014-01-03 2015-07-08 杜比实验室特许公司 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
KR101782917B1 (ko) 2014-03-19 2017-09-28 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
KR102428066B1 (ko) * 2014-04-02 2022-08-02 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
KR101856540B1 (ko) 2014-04-02 2018-05-11 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
US9860666B2 (en) 2015-06-18 2018-01-02 Nokia Technologies Oy Binaural audio reproduction
WO2017035281A2 (en) 2015-08-25 2017-03-02 Dolby International Ab Audio encoding and decoding using presentation transform parameters
JP6797187B2 (ja) 2015-08-25 2020-12-09 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 オーディオ・デコーダおよびデコード方法
ES2818562T3 (es) * 2015-08-25 2021-04-13 Dolby Laboratories Licensing Corp Descodificador de audio y procedimiento de descodificación
US10152977B2 (en) * 2015-11-20 2018-12-11 Qualcomm Incorporated Encoding of multiple audio signals
CN105611481B (zh) * 2015-12-30 2018-04-17 北京时代拓灵科技有限公司 一种基于空间声的人机交互方法和系统
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
EP3550561A1 (en) 2018-04-06 2019-10-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value
ES2966686T3 (es) 2018-04-27 2024-05-29 Sherpa Europe S L Asistente digital
EP3588495A1 (en) 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
CN110956973A (zh) * 2018-09-27 2020-04-03 深圳市冠旭电子股份有限公司 一种回声消除方法、装置及智能终端
GB2580360A (en) * 2019-01-04 2020-07-22 Nokia Technologies Oy An audio capturing arrangement
MX2021015314A (es) 2019-06-14 2022-02-03 Fraunhofer Ges Forschung Codificacion y decodificacion de parametros.
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
US11212631B2 (en) * 2019-09-16 2021-12-28 Gaudio Lab, Inc. Method for generating binaural signals from stereo signals using upmixing binauralization, and apparatus therefor
JP7286876B2 (ja) 2019-09-23 2023-06-05 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 変換パラメータによるオーディオ符号化／復号化
CN111031467A (zh) * 2019-12-27 2020-04-17 中航华东光电（上海）有限公司 一种hrir前后方位增强方法
AT523644B1 (de) * 2020-12-01 2021-10-15 Atmoky Gmbh Verfahren für die Erzeugung eines Konvertierungsfilters für ein Konvertieren eines multidimensionalen Ausgangs-Audiosignal in ein zweidimensionales Hör-Audiosignal

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173944A (en) * 1992-01-29 1992-12-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Head related transfer function pseudo-stereophony
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
JP3286869B2 (ja) * 1993-02-15 2002-05-27 三菱電機株式会社 内部電源電位発生回路
US5521981A (en) * 1994-01-06 1996-05-28 Gehring; Louis S. Sound positioner
JP3498375B2 (ja) * 1994-07-20 2004-02-16 ソニー株式会社 ディジタル・オーディオ信号記録装置
US6072877A (en) * 1994-09-09 2000-06-06 Aureal Semiconductor, Inc. Three-dimensional virtual audio display employing reduced complexity imaging filters
JP4627880B2 (ja) * 1997-09-16 2011-02-09 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 リスナーの周囲にある音源の空間的ひろがり感を増強するためのステレオヘッドホンデバイス内でのフィルタ効果の利用
GB9726338D0 (en) * 1997-12-13 1998-02-11 Central Research Lab Ltd A method of processing an audio signal
US6442277B1 (en) * 1998-12-22 2002-08-27 Texas Instruments Incorporated Method and apparatus for loudspeaker presentation for positional 3D sound
RU2144222C1 (ru) * 1998-12-30 2000-01-10 Гусихин Артур Владимирович Способ сжатия звуковой информации и система для его реализации
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
EP1500084B1 (en) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
US7039204B2 (en) * 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
WO2004008806A1 (en) * 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
ES2259158T3 (es) * 2002-09-19 2006-09-16 Matsushita Electric Industrial Co., Ltd. Metodo y aparato decodificador audio.
FI118247B (fi) * 2003-02-26 2007-08-31 Fraunhofer Ges Forschung Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7949141B2 (en) * 2003-11-12 2011-05-24 Dolby Laboratories Licensing Corporation Processing audio signals with head related transfer function filters and a reverberator
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal

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