BR112016014892A2 - método para gerar filtro para sinal de áudio, e dispositivo de parametrização para o mesmo - Google Patents

método para gerar filtro para sinal de áudio, e dispositivo de parametrização para o mesmo

Info

Publication number
BR112016014892A2
BR112016014892A2 BR112016014892A BR112016014892A BR112016014892A2 BR 112016014892 A2 BR112016014892 A2 BR 112016014892A2 BR 112016014892 A BR112016014892 A BR 112016014892A BR 112016014892 A BR112016014892 A BR 112016014892A BR 112016014892 A2 BR112016014892 A2 BR 112016014892A2
Authority
BR
Brazil
Prior art keywords
same
audio signal
generate filter
parameterization device
parameterization
Prior art date
Application number
BR112016014892A
Other languages
English (en)
Other versions
BR112016014892B1 (pt
BR112016014892A8 (pt
Inventor
Hyunoh Oh
Taegyu Lee
Original Assignee
Wilus Inst Standards & Technology 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 Wilus Inst Standards & Technology Inc filed Critical Wilus Inst Standards & Technology Inc
Publication of BR112016014892A2 publication Critical patent/BR112016014892A2/pt
Publication of BR112016014892A8 publication Critical patent/BR112016014892A8/pt
Publication of BR112016014892B1 publication Critical patent/BR112016014892B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—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 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Filters That Use Time-Delay Elements (AREA)
BR112016014892-4A 2013-12-23 2014-12-23 Método e aparelho para processamento de sinal de áudio BR112016014892B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20130161114 2013-12-23
KR10-2013-0161114 2013-12-23
PCT/KR2014/012758 WO2015099424A1 (ko) 2013-12-23 2014-12-23 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치

Publications (3)

Publication Number Publication Date
BR112016014892A2 true BR112016014892A2 (pt) 2017-08-08
BR112016014892A8 BR112016014892A8 (pt) 2020-06-09
BR112016014892B1 BR112016014892B1 (pt) 2022-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016014892-4A BR112016014892B1 (pt) 2013-12-23 2014-12-23 Método e aparelho para processamento de sinal de áudio

Country Status (8)

Country Link
US (6) US9832589B2 (pt)
EP (4) EP3697109B1 (pt)
JP (1) JP6151866B2 (pt)
KR (7) KR101627661B1 (pt)
CN (3) CN106416302B (pt)
BR (1) BR112016014892B1 (pt)
CA (1) CA2934856C (pt)
WO (3) WO2015099424A1 (pt)

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EP3934283B1 (en) 2023-08-23
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CN108597528B (zh) 2023-05-30
BR112016014892B1 (pt) 2022-05-03
KR20160020572A (ko) 2016-02-23
US10433099B2 (en) 2019-10-01
US20210368286A1 (en) 2021-11-25
CN108922552A (zh) 2018-11-30
EP3089483A4 (en) 2017-08-30
US10158965B2 (en) 2018-12-18
KR101627661B1 (ko) 2016-06-07
US10701511B2 (en) 2020-06-30
KR102157118B1 (ko) 2020-09-17
CN108597528A (zh) 2018-09-28
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