BR112017018145A2 - aparelho e método para processamento de um sinal de áudio para obter um sinal de áudio processado utilizando um envelope de domínio de tempo alvo - Google Patents

aparelho e método para processamento de um sinal de áudio para obter um sinal de áudio processado utilizando um envelope de domínio de tempo alvo

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Publication number
BR112017018145A2
BR112017018145A2 BR112017018145A BR112017018145A BR112017018145A2 BR 112017018145 A2 BR112017018145 A2 BR 112017018145A2 BR 112017018145 A BR112017018145 A BR 112017018145A BR 112017018145 A BR112017018145 A BR 112017018145A BR 112017018145 A2 BR112017018145 A2 BR 112017018145A2
Authority
BR
Brazil
Prior art keywords
audio signal
target time
processing
processed audio
time domain
Prior art date
Application number
BR112017018145A
Other languages
English (en)
Other versions
BR112017018145B1 (pt
Inventor
Sascha Disch
Christian Dittmar
Meinard Müller
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112017018145A2 publication Critical patent/BR112017018145A2/pt
Publication of BR112017018145B1 publication Critical patent/BR112017018145B1/pt

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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
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L13/04—Details of speech synthesis systems, e.g. synthesiser structure or memory management
    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L21/0272—Voice signal separating
    • 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
    • G10L21/0388—Details of processing therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

o assunto da presente invenção é um aparelho 2, descrito por um diagrama de blocos esquemático, para processamento de um sinal de áudio 4 para obter um sinal de áudio processado 6. o aparelho 2 compreende um calculador de fase 8 para calcular valores de fase 10 para valores espectrais de uma sequência de estruturas de domínio de frequência 12, representando estruturas sobrepostas do sinal de áudio 4. além disso, o calculador de fase 8 é configurado para calcular os valores de fase 10 com base em informações em um envelope de domínio de tempo alvo 14 relacionadas ao sinal de áudio processado 6, de modo que o sinal de áudio processado 6 tenha, pelo menos em uma aproximação, o envelope de domínio de tempo alvo 14 e um envelope espectral determinado pela sequência de estruturas de domínio de frequência 12.
BR112017018145-2A 2015-02-26 2016-02-23 Aparelho e método para processamento de um sinal de áudio para obter um sinal de áudio processado utilizando um envelope de domínio de tempo alvo BR112017018145B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP15156704.7 2015-02-26
EP15156704 2015-02-26
EP15181118 2015-08-14
EP15181118.9 2015-08-14
PCT/EP2016/053752 WO2016135132A1 (en) 2015-02-26 2016-02-23 Apparatus and method for processing an audio signal to obtain a processed audio signal using a target time-domain envelope

Publications (2)

Publication Number Publication Date
BR112017018145A2 true BR112017018145A2 (pt) 2018-04-10
BR112017018145B1 BR112017018145B1 (pt) 2023-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017018145-2A BR112017018145B1 (pt) 2015-02-26 2016-02-23 Aparelho e método para processamento de um sinal de áudio para obter um sinal de áudio processado utilizando um envelope de domínio de tempo alvo

Country Status (11)

Country Link
US (1) US10373623B2 (pt)
EP (1) EP3262639B1 (pt)
JP (1) JP6668372B2 (pt)
KR (1) KR102125410B1 (pt)
CN (1) CN107517593B (pt)
BR (1) BR112017018145B1 (pt)
CA (1) CA2976864C (pt)
ES (1) ES2837107T3 (pt)
MX (1) MX2017010593A (pt)
RU (1) RU2679254C1 (pt)
WO (1) WO2016135132A1 (pt)

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Also Published As

Publication number Publication date
CN107517593A (zh) 2017-12-26
CN107517593B (zh) 2021-03-12
EP3262639B1 (en) 2020-10-07
ES2837107T3 (es) 2021-06-29
US10373623B2 (en) 2019-08-06
JP2018510374A (ja) 2018-04-12
RU2679254C1 (ru) 2019-02-06
MX2017010593A (es) 2018-05-07
CA2976864C (en) 2020-07-14
EP3262639A1 (en) 2018-01-03
WO2016135132A1 (en) 2016-09-01
KR20170125058A (ko) 2017-11-13
JP6668372B2 (ja) 2020-03-18
US20170345433A1 (en) 2017-11-30
CA2976864A1 (en) 2016-09-01
KR102125410B1 (ko) 2020-06-22
BR112017018145B1 (pt) 2023-11-28

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