BRPI0908929A2 - dispositivo de codificação, dispositivo de decodificação, e método dos mesmos - Google Patents

dispositivo de codificação, dispositivo de decodificação, e método dos mesmos

Info

Publication number
BRPI0908929A2
BRPI0908929A2 BRPI0908929A BRPI0908929A BRPI0908929A2 BR PI0908929 A2 BRPI0908929 A2 BR PI0908929A2 BR PI0908929 A BRPI0908929 A BR PI0908929A BR PI0908929 A BRPI0908929 A BR PI0908929A BR PI0908929 A2 BRPI0908929 A2 BR PI0908929A2
Authority
BR
Brazil
Prior art keywords
coding
decoding
decoding device
coding device
Prior art date
Application number
BRPI0908929A
Other languages
English (en)
Inventor
Masahiro Oshikiri
Tomofumi Yamanashi
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of BRPI0908929A2 publication Critical patent/BRPI0908929A2/pt

Links

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
    • 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
    • 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
    • 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
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0908929A 2008-03-14 2009-03-13 dispositivo de codificação, dispositivo de decodificação, e método dos mesmos BRPI0908929A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008066202 2008-03-14
JP2008143963 2008-05-30
JP2008298091 2008-11-21
PCT/JP2009/001129 WO2009113316A1 (ja) 2008-03-14 2009-03-13 符号化装置、復号装置およびこれらの方法

Publications (1)

Publication Number Publication Date
BRPI0908929A2 true BRPI0908929A2 (pt) 2016-09-13

Family

ID=41064989

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0908929A BRPI0908929A2 (pt) 2008-03-14 2009-03-13 dispositivo de codificação, dispositivo de decodificação, e método dos mesmos

Country Status (9)

Country Link
US (1) US8452588B2 (pt)
EP (2) EP2251861B1 (pt)
JP (1) JP5449133B2 (pt)
KR (1) KR101570550B1 (pt)
CN (1) CN101971253B (pt)
BR (1) BRPI0908929A2 (pt)
MX (1) MX2010009307A (pt)
RU (1) RU2483367C2 (pt)
WO (1) WO2009113316A1 (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010137300A1 (ja) 2009-05-26 2010-12-02 パナソニック株式会社 復号装置及び復号方法
ES2825032T3 (es) * 2009-06-23 2021-05-14 Voiceage Corp Cancelación de solapamiento de dominio de tiempo directo con aplicación en dominio de señal original o ponderado
ES2531013T3 (es) * 2009-10-20 2015-03-10 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, método para codificar información de audio, método para decodificar información de audio y programa de computación que usa la detección de un grupo de valores espectrales previamente decodificados
JP5774490B2 (ja) 2009-11-12 2015-09-09 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置およびこれらの方法
ES2706061T3 (es) 2010-01-13 2019-03-27 Voiceage Corp Decodificación de audio con cancelación directa de distorsión por repliegue espectral en el dominio del tiempo usando filtrado predictivo lineal
RU2547238C2 (ru) * 2010-04-14 2015-04-10 Войсэйдж Корпорейшн Гибкая и масштабируемая комбинированная обновляющая кодовая книга для использования в кодере и декодере celp
US9082412B2 (en) * 2010-06-11 2015-07-14 Panasonic Intellectual Property Corporation Of America Decoder, encoder, and methods thereof
JP5730303B2 (ja) * 2010-06-21 2015-06-10 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 復号装置、符号化装置およびこれらの方法
WO2012052802A1 (en) * 2010-10-18 2012-04-26 Nokia Corporation An audio encoder/decoder apparatus
JP6000854B2 (ja) * 2010-11-22 2016-10-05 株式会社Ｎｔｔドコモ 音声符号化装置および方法、並びに、音声復号装置および方法
CN102610231B (zh) * 2011-01-24 2013-10-09 华为技术有限公司 一种带宽扩展方法及装置
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
US8879858B1 (en) * 2013-10-01 2014-11-04 Gopro, Inc. Multi-channel bit packing engine
US9786291B2 (en) * 2014-06-18 2017-10-10 Google Technology Holdings LLC Communicating information between devices using ultra high frequency audio
US10306632B2 (en) * 2014-09-30 2019-05-28 Qualcomm Incorporated Techniques for transmitting channel usage beacon signals over an unlicensed radio frequency spectrum band
EP3182411A1 (en) * 2015-12-14 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an encoded audio signal
US10242696B2 (en) 2016-10-11 2019-03-26 Cirrus Logic, Inc. Detection of acoustic impulse events in voice applications
US10475471B2 (en) * 2016-10-11 2019-11-12 Cirrus Logic, Inc. Detection of acoustic impulse events in voice applications using a neural network
US20180336469A1 (en) * 2017-05-18 2018-11-22 Qualcomm Incorporated Sigma-delta position derivative networks
CN119274562A (zh) * 2022-06-15 2025-01-07 腾讯科技（深圳）有限公司 音频编码及解码方法、装置、设备、介质及程序产品

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2483324C (en) * 1991-06-11 2008-05-06 Qualcomm Incorporated Estimation of background noise in a variable rate vocoder
SE501340C2 (sv) * 1993-06-11 1995-01-23 Ericsson Telefon Ab L M Döljande av transmissionsfel i en talavkodare
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP3923783B2 (ja) * 2001-11-02 2007-06-06 松下電器産業株式会社 符号化装置及び復号化装置
WO2003038812A1 (en) 2001-11-02 2003-05-08 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device
JP4272897B2 (ja) 2002-01-30 2009-06-03 パナソニック株式会社 符号化装置、復号化装置およびその方法
EP1470550B1 (en) 2002-01-30 2008-09-03 Matsushita Electric Industrial Co., Ltd. Audio encoding and decoding device and methods thereof
US7844451B2 (en) * 2003-09-16 2010-11-30 Panasonic Corporation Spectrum coding/decoding apparatus and method for reducing distortion of two band spectrums
CN101556800B (zh) 2003-10-23 2012-05-23 松下电器产业株式会社 音频频谱编解码方法和装置、声音信号发送和接收装置
EP3336843B1 (en) 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Speech coding method and speech coding apparatus
CN101006495A (zh) 2004-08-31 2007-07-25 松下电器产业株式会社 语音编码装置、语音解码装置、通信装置以及语音编码方法
JP4977471B2 (ja) * 2004-11-05 2012-07-18 パナソニック株式会社 符号化装置及び符号化方法
US7983904B2 (en) * 2004-11-05 2011-07-19 Panasonic Corporation Scalable decoding apparatus and scalable encoding apparatus
JP4899359B2 (ja) * 2005-07-11 2012-03-21 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
DE602007013026D1 (de) * 2006-04-27 2011-04-21 Panasonic Corp Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür
WO2008084688A1 (ja) 2006-12-27 2008-07-17 Panasonic Corporation 符号化装置、復号装置及びこれらの方法
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
WO2009059633A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder

Also Published As

Publication number Publication date
RU2010137838A (ru) 2012-03-20
US8452588B2 (en) 2013-05-28
CN101971253A (zh) 2011-02-09
EP2251861A1 (en) 2010-11-17
JPWO2009113316A1 (ja) 2011-07-21
JP5449133B2 (ja) 2014-03-19
EP3288034A1 (en) 2018-02-28
KR20100134580A (ko) 2010-12-23
MX2010009307A (es) 2010-09-24
EP2251861A4 (en) 2014-01-15
US20100332221A1 (en) 2010-12-30
CN101971253B (zh) 2012-07-18
EP2251861B1 (en) 2017-11-22
RU2483367C2 (ru) 2013-05-27
KR101570550B1 (ko) 2015-11-19
EP3288034B1 (en) 2019-02-20
WO2009113316A1 (ja) 2009-09-17

Similar Documents

Publication Publication Date Title
BRPI0908929A2 (pt) dispositivo de codificação, dispositivo de decodificação, e método dos mesmos
BRPI0906521A2 (pt) método e aparelho de codificação e decodificação
BRPI0906824A2 (pt) Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método de codificação de imagem e método de decodificação de imagem
EP2101322A4 (en) ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF
BRPI1005386A2 (pt) aparelho de codificação de imagem, aparelho de decodificação de imagem, método de codificação de imagem e método de decodificação de imagem
BR112012001687A2 (pt) método de decodificação de vídeo, e aparelho de decodificação de vídeo
BRPI0913752A2 (pt) método, dispositivo, e, estrutura
EP2214318A4 (en) Data processing device, data processing method, coding device and coding method
BRPI0915433A2 (pt) método, e, dispositivo.
BRPI1011333A2 (pt) dispositivo de codificação e de decodificação de vídeo, e, métodos de codificação e de decodificação de vídeo
BRPI0913227A2 (pt) método, e objeto
BRPI0916457A2 (pt) método e dispositivo para ofuscação de código
BRPI0918958A2 (pt) dispositivo móvel, e, método
BRPI0916450A2 (pt) método, e sistema
BRPI0920799A2 (pt) dispositivos de avanço mandibular, e, método de avanço mandibular
EP2381439A4 (en) STEREO ACOUSTIC SIGNAL ENCODING APPARATUS, STEREO ACOUSTIC SIGNAL DECODING APPARATUS, AND METHODS FOR SAID APPARATUS
EP2464014A4 (en) CODING METHOD, DECODING METHOD, CODING DEVICE AND DECODING DEVICE
BRPI1015415A2 (pt) dispositivos e métodos de codificação e de decodificação de imagem
BRPI0912799A2 (pt) fluxímetro, e, método
BRPI0811137A2 (pt) Método, e, dispositivo de usuário
BRPI0908963A2 (pt) Aparelho e método decodificação de sinais
EP2239731A4 (en) CODING DEVICE, DECODING DEVICE AND METHOD THEREFOR
BRPI0918084A2 (pt) método, e, sistema
EP2147554A4 (en) DEVICE AND METHOD FOR DECODING BIT TRAIN
EP2214163A4 (en) ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AME

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements