BR112016021165B1 - dispositivos e métodos de decodificação de áudio e meios de gravação - Google Patents

dispositivos e métodos de decodificação de áudio e meios de gravação Download PDF

Info

Publication number
BR112016021165B1
BR112016021165B1 BR112016021165-0A BR112016021165A BR112016021165B1 BR 112016021165 B1 BR112016021165 B1 BR 112016021165B1 BR 112016021165 A BR112016021165 A BR 112016021165A BR 112016021165 B1 BR112016021165 B1 BR 112016021165B1
Authority
BR
Brazil
Prior art keywords
decoding
signal
frequency band
temporal envelope
audio
Prior art date
Application number
BR112016021165-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Kei Kikuiri
Atsushi Yamaguchi
Original Assignee
Ntt Docomo, 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 Ntt Docomo, Inc. filed Critical Ntt Docomo, Inc.
Publication of BR112016021165B1 publication Critical patent/BR112016021165B1/pt

Links

Images

Classifications

    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • G10L19/0204Speech 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
    • 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/26Pre-filtering or post-filtering

Landscapes

  • 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)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
BR112016021165-0A 2014-03-24 2015-03-20 dispositivos e métodos de decodificação de áudio e meios de gravação BR112016021165B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014060650A JP6035270B2 (ja) 2014-03-24 2014-03-24 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
JP2014-060650 2014-03-24
PCT/JP2015/058608 WO2015146860A1 (ja) 2014-03-24 2015-03-20 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

Publications (1)

Publication Number Publication Date
BR112016021165B1 true BR112016021165B1 (pt) 2020-11-10

Family

ID=54195375

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016021165-0A BR112016021165B1 (pt) 2014-03-24 2015-03-20 dispositivos e métodos de decodificação de áudio e meios de gravação

Country Status (20)

Country Link
US (4) US10410647B2 (https=)
EP (4) EP4293667B1 (https=)
JP (1) JP6035270B2 (https=)
KR (7) KR102208915B1 (https=)
CN (2) CN107767876B (https=)
AU (7) AU2015235133B2 (https=)
BR (1) BR112016021165B1 (https=)
CA (2) CA2942885C (https=)
DK (2) DK3621073T3 (https=)
ES (2) ES2772173T3 (https=)
FI (1) FI3621073T3 (https=)
HU (1) HUE065961T2 (https=)
MX (2) MX388622B (https=)
MY (1) MY165849A (https=)
PH (1) PH12016501844B1 (https=)
PL (2) PL3125243T3 (https=)
PT (2) PT3621073T (https=)
RU (7) RU2631155C1 (https=)
TW (7) TW202546818A (https=)
WO (1) WO2015146860A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Nttドコモ 音声復号装置
JP6035270B2 (ja) 2014-03-24 2016-11-30 株式会社Nttドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
DE102017204181A1 (de) 2017-03-14 2018-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sender zum Emittieren von Signalen und Empfänger zum Empfangen von Signalen
EP3382701A1 (en) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using prediction based shaping
EP3382700A1 (en) 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for post-processing an audio signal using a transient location detection
KR102849175B1 (ko) * 2018-08-08 2025-08-25 소니그룹주식회사 복호 장치, 복호 방법, 프로그램
CN111314778B (zh) * 2020-03-02 2021-09-07 北京小鸟科技股份有限公司 基于多种压缩制式的编解码融合处理方法、系统及装置
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
CN121336256A (zh) * 2023-04-21 2026-01-13 弗劳恩霍夫应用研究促进协会 具有子带信号上时间噪声整形的音频信号编解码的装置和方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS523077B1 (https=) 1970-01-08 1977-01-26
JPS5913508B2 (ja) 1975-06-23 1984-03-30 オオツカセイヤク カブシキガイシヤ アシルオキシ置換カルボスチリル誘導体の製造法
JP3155560B2 (ja) 1991-05-27 2001-04-09 株式会社コガネイ マニホールドバルブ
JP3283413B2 (ja) 1995-11-30 2002-05-20 株式会社日立製作所 符号化復号方法、符号化装置および復号装置
WO2002071395A2 (en) * 2001-03-02 2002-09-12 Matsushita Electric Industrial Co., Ltd. Apparatus for coding scaling factors in an audio coder
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
KR101001170B1 (ko) * 2002-07-16 2010-12-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
JP2004134900A (ja) * 2002-10-09 2004-04-30 Matsushita Electric Ind Co Ltd 符号化信号復号化装置および復号化方法
US7672838B1 (en) * 2003-12-01 2010-03-02 The Trustees Of Columbia University In The City Of New York Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
TWI393120B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
EP1815462A1 (en) * 2004-11-09 2007-08-08 Koninklijke Philips Electronics N.V. Audio coding and decoding
JP4800645B2 (ja) * 2005-03-18 2011-10-26 カシオ計算機株式会社 音声符号化装置、及び音声符号化方法
BRPI0608270A2 (pt) * 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US20090299755A1 (en) * 2006-03-20 2009-12-03 France Telecom Method for Post-Processing a Signal in an Audio Decoder
KR101001835B1 (ko) * 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법
US8260609B2 (en) * 2006-07-31 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
RU2449386C2 (ru) * 2007-11-02 2012-04-27 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для аудиодекодирования
DE102008009719A1 (de) * 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
JP5203077B2 (ja) 2008-07-14 2013-06-05 株式会社エヌ・ティ・ティ・ドコモ 音声符号化装置及び方法、音声復号化装置及び方法、並びに、音声帯域拡張装置及び方法
CN101436406B (zh) * 2008-12-22 2011-08-24 西安电子科技大学 音频编解码器
JP4921611B2 (ja) 2009-04-03 2012-04-25 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
JP4932917B2 (ja) 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
US8725503B2 (en) * 2009-06-23 2014-05-13 Voiceage Corporation Forward time-domain aliasing cancellation with application in weighted or original signal domain
MY163358A (en) 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
KR101411759B1 (ko) * 2009-10-20 2014-06-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 인코더, 오디오 신호 디코더, 앨리어싱-소거를 이용하여 오디오 신호를 인코딩 또는 디코딩하는 방법
US20130173275A1 (en) * 2010-10-18 2013-07-04 Panasonic Corporation Audio encoding device and audio decoding device
JP2012163919A (ja) * 2011-02-09 2012-08-30 Sony Corp 音声信号処理装置、および音声信号処理方法、並びにプログラム
EP2676268B1 (en) * 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
KR101897455B1 (ko) * 2012-04-16 2018-10-04 삼성전자주식회사 음질 향상 장치 및 방법
JP5997592B2 (ja) * 2012-04-27 2016-09-28 株式会社Nttドコモ 音声復号装置
JP6035270B2 (ja) 2014-03-24 2016-11-30 株式会社Nttドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム

Also Published As

Publication number Publication date
AU2021200607B2 (en) 2022-03-24
TWI696994B (zh) 2020-06-21
US12223971B2 (en) 2025-02-11
AU2018201468A1 (en) 2018-03-22
CA2942885A1 (en) 2015-10-01
US20190355371A1 (en) 2019-11-21
RU2707722C2 (ru) 2019-11-28
AU2021200604B2 (en) 2022-03-17
US20220366924A1 (en) 2022-11-17
EP3621073B1 (en) 2024-02-14
RU2631155C1 (ru) 2017-09-19
TW201937483A (zh) 2019-09-16
KR101782935B1 (ko) 2017-09-28
EP3621073A1 (en) 2020-03-11
AU2019257487B2 (en) 2020-12-24
TW202546818A (zh) 2025-12-01
CN106133829B (zh) 2017-11-10
EP4293667B1 (en) 2026-04-22
TWI773992B (zh) 2022-08-11
KR102089602B1 (ko) 2020-03-16
ES2772173T3 (es) 2020-07-07
RU2654141C1 (ru) 2018-05-16
FI3621073T3 (fi) 2024-03-13
KR20200074279A (ko) 2020-06-24
MX354434B (es) 2018-03-06
JP2015184470A (ja) 2015-10-22
US11437053B2 (en) 2022-09-06
KR101906524B1 (ko) 2018-10-10
KR102038077B1 (ko) 2019-10-29
KR102124962B1 (ko) 2020-07-07
KR20160119252A (ko) 2016-10-12
PT3125243T (pt) 2020-02-14
EP4293667A3 (en) 2024-06-12
RU2741486C1 (ru) 2021-01-26
AU2018201468B2 (en) 2019-08-29
ES2974029T3 (es) 2024-06-25
EP3125243A4 (en) 2017-05-17
DK3621073T3 (da) 2024-03-11
TWI807906B (zh) 2023-07-01
TW201810251A (zh) 2018-03-16
RU2018115787A3 (https=) 2019-10-28
DK3125243T3 (da) 2020-02-17
CN107767876A (zh) 2018-03-06
KR102126044B1 (ko) 2020-07-08
EP3125243A1 (en) 2017-02-01
CA2990392C (en) 2021-08-03
HUE065961T2 (hu) 2024-06-28
EP4700768A3 (en) 2026-04-08
MX2016012393A (es) 2016-11-30
KR102208915B1 (ko) 2021-01-27
AU2019257495B2 (en) 2020-12-24
RU2018115787A (ru) 2019-10-28
AU2021200603A1 (en) 2021-03-04
MY165849A (en) 2018-05-17
CN107767876B (zh) 2022-08-09
TW201603007A (zh) 2016-01-16
KR20180110244A (ko) 2018-10-08
KR20200028512A (ko) 2020-03-16
PH12016501844A1 (en) 2016-12-19
TWI608474B (zh) 2017-12-11
CN106133829A (zh) 2016-11-16
KR20170110175A (ko) 2017-10-10
MX388622B (es) 2025-03-20
RU2718421C1 (ru) 2020-04-02
AU2019257487A1 (en) 2019-11-21
EP4700768A2 (en) 2026-02-25
AU2015235133A1 (en) 2016-10-06
PH12016501844B1 (en) 2016-12-19
JP6035270B2 (ja) 2016-11-30
AU2021200607A1 (en) 2021-03-04
EP4293667A2 (en) 2023-12-20
TWI666632B (zh) 2019-07-21
CA2990392A1 (en) 2015-10-01
TWI894565B (zh) 2025-08-21
AU2021200604A1 (en) 2021-03-04
TW202242854A (zh) 2022-11-01
RU2751150C1 (ru) 2021-07-08
EP3125243B1 (en) 2020-01-08
AU2019257495A1 (en) 2019-11-21
PL3621073T3 (pl) 2024-05-20
US10410647B2 (en) 2019-09-10
KR20200030125A (ko) 2020-03-19
AU2015235133B2 (en) 2017-11-30
CA2942885C (en) 2018-02-20
TW202036541A (zh) 2020-10-01
PL3125243T3 (pl) 2020-05-18
US20170117000A1 (en) 2017-04-27
US20250140274A1 (en) 2025-05-01
KR20190122896A (ko) 2019-10-30
PT3621073T (pt) 2024-03-12
RU2732951C1 (ru) 2020-09-24
TW202338789A (zh) 2023-10-01
WO2015146860A1 (ja) 2015-10-01
AU2021200603B2 (en) 2022-03-10

Similar Documents

Publication Publication Date Title
BR112016021165B1 (pt) dispositivos e métodos de decodificação de áudio e meios de gravação
KR101736705B1 (ko) 오디오 신호를 위한 비트 할당 방법 및 장치
CN100489965C (zh) 音频编码系统
JP2019529979A (ja) インデックスコーディング及びビットスケジューリングを備えた量子化器
BRPI0813178B1 (pt) Processo de codificação de um sinal de áudio de entrada, processo de decodificação escalável de um sinal de áudio, codificador de sinal de áudio de entrada, e codificador de um sinal de áudio
JP4134262B2 (ja) 信号処理方法、信号処理装置及びプログラム
US9583113B2 (en) Audio compression using vector field normalization
CN102486923B (zh) 编码设备、编码方法、解码设备、解码方法
BR112012003364B1 (pt) Método para codificar sinal de áudio no domínio do tempo e dispositivo eletrônico

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: G10L 19/02 , G10L 19/00

Ipc: G10L 19/02 (2013.01), G10L 19/26 (2013.01)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/03/2015, OBSERVADAS AS CONDICOES LEGAIS.