KR101742137B1 - 오브젝트 기반 오디오 코딩 시스템 내의 우회 오디오 오브젝트 신호들을 사용하여 정통한 라우드니스를 추정하기 위한 디코더, 인코더 및 방법 - Google Patents

오브젝트 기반 오디오 코딩 시스템 내의 우회 오디오 오브젝트 신호들을 사용하여 정통한 라우드니스를 추정하기 위한 디코더, 인코더 및 방법 Download PDF

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KR101742137B1
KR101742137B1 KR1020157021813A KR20157021813A KR101742137B1 KR 101742137 B1 KR101742137 B1 KR 101742137B1 KR 1020157021813 A KR1020157021813 A KR 1020157021813A KR 20157021813 A KR20157021813 A KR 20157021813A KR 101742137 B1 KR101742137 B1 KR 101742137B1
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loudness
audio
signal
object signals
audio object
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KR20150123799A (ko
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조우니 파울루스
사샤 디쉬
하랄드 푹스
베른하르트 그릴
올리버 헬무트
아드리안 무르타자
팔코 리더부슈
레온 테렌티브
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • 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

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  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1020157021813A 2013-11-27 2014-11-27 오브젝트 기반 오디오 코딩 시스템 내의 우회 오디오 오브젝트 신호들을 사용하여 정통한 라우드니스를 추정하기 위한 디코더, 인코더 및 방법 Active KR101742137B1 (ko)

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EP13194664.2A EP2879131A1 (en) 2013-11-27 2013-11-27 Decoder, encoder and method for informed loudness estimation in object-based audio coding systems
EP13194664.2 2013-11-27
PCT/EP2014/075801 WO2015078964A1 (en) 2013-11-27 2014-11-27 Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systems

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KR101742137B1 true KR101742137B1 (ko) 2017-05-31

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KR1020167014090A Active KR101852950B1 (ko) 2013-11-27 2014-11-27 오브젝트 기반 오디오 코딩 시스템 내의 정통한 라우드니스 추정을 위한 디코더, 인코더 및 방법

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CN113596502B (zh) * 2021-08-03 2025-08-22 广州繁星互娱信息科技有限公司 一种直播间音效调节方法、装置、电子设备及介质
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