BR122021019877B1 - Aparelho para gerar um sinal estendido de largura de banda - Google Patents

Aparelho para gerar um sinal estendido de largura de banda Download PDF

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Publication number
BR122021019877B1
BR122021019877B1 BR122021019877-2A BR122021019877A BR122021019877B1 BR 122021019877 B1 BR122021019877 B1 BR 122021019877B1 BR 122021019877 A BR122021019877 A BR 122021019877A BR 122021019877 B1 BR122021019877 B1 BR 122021019877B1
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BR
Brazil
Prior art keywords
unit
encoding
signal
high frequency
mode
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BR122021019877-2A
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English (en)
Portuguese (pt)
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Ki-hyun Choo
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Samsung Electronics Co., Ltd
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Publication of BR122021019877B1 publication Critical patent/BR122021019877B1/pt

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Error Detection And Correction (AREA)
BR122021019877-2A 2011-06-30 2012-07-02 Aparelho para gerar um sinal estendido de largura de banda BR122021019877B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161503241P 2011-06-30 2011-06-30
US61/503,241 2011-06-30
PCT/KR2012/005258 WO2013002623A2 (ko) 2011-06-30 2012-07-02 대역폭 확장신호 생성장치 및 방법

Publications (1)

Publication Number Publication Date
BR122021019877B1 true BR122021019877B1 (pt) 2022-07-19

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Family Applications (3)

Application Number Title Priority Date Filing Date
BR122021019877-2A BR122021019877B1 (pt) 2011-06-30 2012-07-02 Aparelho para gerar um sinal estendido de largura de banda
BR122021019883-7A BR122021019883B1 (pt) 2011-06-30 2012-07-02 Método de gerar um sinal estendido de largura de banda, e mídia não transitória legível por computador
BR112013033900-4A BR112013033900B1 (pt) 2011-06-30 2012-07-02 Método para gerar um sinal estendido de largura de banda para decodificação de áudio

Family Applications After (2)

Application Number Title Priority Date Filing Date
BR122021019883-7A BR122021019883B1 (pt) 2011-06-30 2012-07-02 Método de gerar um sinal estendido de largura de banda, e mídia não transitória legível por computador
BR112013033900-4A BR112013033900B1 (pt) 2011-06-30 2012-07-02 Método para gerar um sinal estendido de largura de banda para decodificação de áudio

Country Status (12)

Country Link
US (3) US9349380B2 (https=)
EP (1) EP2728577A4 (https=)
JP (3) JP6001657B2 (https=)
KR (3) KR102078865B1 (https=)
CN (3) CN106128473B (https=)
AU (3) AU2012276367B2 (https=)
BR (3) BR122021019877B1 (https=)
CA (2) CA2966987C (https=)
MX (3) MX350162B (https=)
TW (3) TWI619116B (https=)
WO (1) WO2013002623A2 (https=)
ZA (1) ZA201400704B (https=)

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KR102473886B1 (ko) 2021-11-25 2022-12-06 한국프리팩 주식회사 친환경 발포 다층시트, 이를 이용한 아이스팩 및 그의 제조방법
CN115148217B (zh) * 2022-06-15 2024-07-09 腾讯科技(深圳)有限公司 音频处理方法、装置、电子设备、存储介质及程序产品
CN115171709B (zh) * 2022-09-05 2022-11-18 腾讯科技(深圳)有限公司 语音编码、解码方法、装置、计算机设备和存储介质
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Publication number Publication date
CA2840732C (en) 2017-06-27
CN106128473B (zh) 2019-12-10
US20170345443A1 (en) 2017-11-30
US10037766B2 (en) 2018-07-31
US20160247519A1 (en) 2016-08-25
US9734843B2 (en) 2017-08-15
BR122021019883B1 (pt) 2023-03-14
AU2016202120B2 (en) 2017-01-05
TW201743320A (zh) 2017-12-16
BR112013033900B1 (pt) 2022-03-15
ZA201400704B (en) 2021-05-26
AU2017202211C1 (en) 2018-08-02
KR20200143665A (ko) 2020-12-24
CN106157968B (zh) 2019-11-29
TWI576832B (zh) 2017-04-01
MX370012B (es) 2019-11-28
AU2017202211B2 (en) 2018-01-18
TWI605448B (zh) 2017-11-11
CA2966987A1 (en) 2013-01-03
MX2014000161A (es) 2014-02-19
JP2014523548A (ja) 2014-09-11
BR112013033900A2 (pt) 2017-12-12
AU2012276367B2 (en) 2016-02-04
MX350162B (es) 2017-08-29
TWI619116B (zh) 2018-03-21
MX340386B (es) 2016-07-07
CN103843062A (zh) 2014-06-04
TW201715513A (zh) 2017-05-01
US20140188464A1 (en) 2014-07-03
KR102343332B1 (ko) 2021-12-24
KR20200019164A (ko) 2020-02-21
JP6599419B2 (ja) 2019-10-30
AU2016202120A1 (en) 2016-04-28
EP2728577A2 (en) 2014-05-07
CN106128473A (zh) 2016-11-16
KR102078865B1 (ko) 2020-02-19
JP2018025830A (ja) 2018-02-15
JP6247358B2 (ja) 2017-12-13
AU2017202211A1 (en) 2017-04-27
EP2728577A4 (en) 2016-07-27
TW201401268A (zh) 2014-01-01
US9349380B2 (en) 2016-05-24
WO2013002623A2 (ko) 2013-01-03
JP2016197271A (ja) 2016-11-24
CA2840732A1 (en) 2013-01-03
CN103843062B (zh) 2016-10-05
WO2013002623A4 (ko) 2013-06-06
KR102240271B1 (ko) 2021-04-14
CN106157968A (zh) 2016-11-23
WO2013002623A3 (ko) 2013-04-11
AU2012276367A1 (en) 2014-01-30
KR20130007485A (ko) 2013-01-18
JP6001657B2 (ja) 2016-10-05
CA2966987C (en) 2019-09-03

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