BR112016015695B1 - Sistema, mídia e método para tratamento de sinais de áudio comprimidos - Google Patents

Sistema, mídia e método para tratamento de sinais de áudio comprimidos Download PDF

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Publication number
BR112016015695B1
BR112016015695B1 BR112016015695-1A BR112016015695A BR112016015695B1 BR 112016015695 B1 BR112016015695 B1 BR 112016015695B1 BR 112016015695 A BR112016015695 A BR 112016015695A BR 112016015695 B1 BR112016015695 B1 BR 112016015695B1
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BR
Brazil
Prior art keywords
signal
frequency
audio signal
brick wall
audio
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Application number
BR112016015695-1A
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English (en)
Portuguese (pt)
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BR112016015695A2 (https=
Inventor
Kevin Eric Heber
Gilbert Arthur Joseph Soulodre
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Harman International Industries, Incorporated
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Publication date
Application filed by Harman International Industries, Incorporated filed Critical Harman International Industries, Incorporated
Publication of BR112016015695A2 publication Critical patent/BR112016015695A2/pt
Publication of BR112016015695B1 publication Critical patent/BR112016015695B1/pt

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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
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR112016015695-1A 2014-01-07 2015-01-06 Sistema, mídia e método para tratamento de sinais de áudio comprimidos BR112016015695B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201461924641P 2014-01-07 2014-01-07
US61/924,641 2014-01-07
PCT/US2015/010266 WO2015105775A1 (en) 2014-01-07 2015-01-06 Signal quality-based enhancement and compensation of compressed audio signals

Publications (2)

Publication Number Publication Date
BR112016015695A2 BR112016015695A2 (https=) 2017-08-08
BR112016015695B1 true BR112016015695B1 (pt) 2022-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016015695-1A BR112016015695B1 (pt) 2014-01-07 2015-01-06 Sistema, mídia e método para tratamento de sinais de áudio comprimidos

Country Status (7)

Country Link
US (1) US10192564B2 (https=)
EP (1) EP3092640B1 (https=)
JP (1) JP6576934B2 (https=)
KR (1) KR102340151B1 (https=)
CN (1) CN105900170B (https=)
BR (1) BR112016015695B1 (https=)
WO (1) WO2015105775A1 (https=)

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CN107644649B (zh) * 2017-09-13 2022-06-03 黄河科技学院 一种信号处理方法
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CN108156561B (zh) 2017-12-26 2020-08-04 广州酷狗计算机科技有限公司 音频信号的处理方法、装置及终端
CN108156575B (zh) 2017-12-26 2019-09-27 广州酷狗计算机科技有限公司 音频信号的处理方法、装置及终端
CN109036457B (zh) * 2018-09-10 2021-10-08 广州酷狗计算机科技有限公司 恢复音频信号的方法和装置
US11935552B2 (en) 2019-01-23 2024-03-19 Sony Group Corporation Electronic device, method and computer program
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CN115184016A (zh) * 2022-09-06 2022-10-14 江苏东控自动化科技有限公司 一种升降机轴承故障检测方法

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Also Published As

Publication number Publication date
JP2017507348A (ja) 2017-03-16
JP6576934B2 (ja) 2019-09-18
CN105900170A (zh) 2016-08-24
KR102340151B1 (ko) 2021-12-17
CN105900170B (zh) 2020-03-10
WO2015105775A1 (en) 2015-07-16
US20160329061A1 (en) 2016-11-10
KR20160106586A (ko) 2016-09-12
BR112016015695A2 (https=) 2017-08-08
EP3092640A4 (en) 2017-07-05
EP3092640B1 (en) 2018-06-27
US10192564B2 (en) 2019-01-29
EP3092640A1 (en) 2016-11-16

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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