BR112015018057A2 - sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear - Google Patents

sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear

Info

Publication number
BR112015018057A2
BR112015018057A2 BR112015018057A BR112015018057A BR112015018057A2 BR 112015018057 A2 BR112015018057 A2 BR 112015018057A2 BR 112015018057 A BR112015018057 A BR 112015018057A BR 112015018057 A BR112015018057 A BR 112015018057A BR 112015018057 A2 BR112015018057 A2 BR 112015018057A2
Authority
BR
Brazil
Prior art keywords
media
methods
computer readable
linear prediction
prediction coding
Prior art date
Application number
BR112015018057A
Other languages
English (en)
Other versions
BR112015018057B1 (pt
Inventor
Krishnan Venkatesh
S Atti Venkatraman
Rajendran Vivek
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112015018057A2 publication Critical patent/BR112015018057A2/pt
Publication of BR112015018057B1 publication Critical patent/BR112015018057B1/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
    • 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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

1//1 resumo sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear um método de processamento de um sinal de áudio inclui determinar uma relação sinal/ruído média para o sinal de áudio ao longo do tempo. o método inclui, baseado na relação sinal/ruído média determinada, um fator de aperfeiçoamento de formante é determinada. o método também inclui aplicar um filtro que é baseado no fator de aperfeiçoamento de formante determinado a um vetor de livro-código que é baseado na informação a partir do sinal de áudio.
BR112015018057-4A 2013-01-29 2013-12-23 Sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear BR112015018057B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361758152P 2013-01-29 2013-01-29
US61/758,152 2013-01-29
US14/026,765 US9728200B2 (en) 2013-01-29 2013-09-13 Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
US14/026,765 2013-09-13
PCT/US2013/077421 WO2014120365A2 (en) 2013-01-29 2013-12-23 Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding

Publications (2)

Publication Number Publication Date
BR112015018057A2 true BR112015018057A2 (pt) 2017-07-18
BR112015018057B1 BR112015018057B1 (pt) 2021-12-07

Family

ID=51223881

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015018057-4A BR112015018057B1 (pt) 2013-01-29 2013-12-23 Sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear

Country Status (10)

Country Link
US (2) US9728200B2 (pt)
EP (1) EP2951823B1 (pt)
JP (1) JP6373873B2 (pt)
KR (1) KR101891388B1 (pt)
CN (2) CN104937662B (pt)
BR (1) BR112015018057B1 (pt)
DK (1) DK2951823T3 (pt)
ES (1) ES2907212T3 (pt)
HU (1) HUE057931T2 (pt)
WO (1) WO2014120365A2 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105976830B (zh) * 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
US9666202B2 (en) 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
EP2963645A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Calculator and method for determining phase correction data for an audio signal
EP3079151A1 (en) * 2015-04-09 2016-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and method for encoding an audio signal
US10847170B2 (en) * 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US10694298B2 (en) * 2018-10-22 2020-06-23 Zeev Neumeier Hearing aid
CN110164461B (zh) * 2019-07-08 2023-12-15 腾讯科技（深圳）有限公司 语音信号处理方法、装置、电子设备及存储介质
CN110444192A (zh) * 2019-08-15 2019-11-12 广州科粤信息科技有限公司 一种基于语音技术的智能语音机器人

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
FR2734389B1 (fr) 1995-05-17 1997-07-18 Proust Stephane Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme
US5732389A (en) 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
JP3390897B2 (ja) * 1995-06-22 2003-03-31 富士通株式会社 音声処理装置及びその方法
JPH09160595A (ja) * 1995-12-04 1997-06-20 Toshiba Corp 音声合成方法
FI980132A (fi) * 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
US6141638A (en) 1998-05-28 2000-10-31 Motorola, Inc. Method and apparatus for coding an information signal
US6098036A (en) * 1998-07-13 2000-08-01 Lockheed Martin Corp. Speech coding system and method including spectral formant enhancer
JP4308345B2 (ja) * 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding
US7117146B2 (en) 1998-08-24 2006-10-03 Mindspeed Technologies, Inc. System for improved use of pitch enhancement with subcodebooks
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
GB2342829B (en) 1998-10-13 2003-03-26 Nokia Mobile Phones Ltd Postfilter
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6449313B1 (en) 1999-04-28 2002-09-10 Lucent Technologies Inc. Shaped fixed codebook search for celp speech coding
US6704701B1 (en) 1999-07-02 2004-03-09 Mindspeed Technologies, Inc. Bi-directional pitch enhancement in speech coding systems
CA2290037A1 (en) * 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
WO2002023536A2 (en) 2000-09-15 2002-03-21 Conexant Systems, Inc. Formant emphasis in celp speech coding
US7010480B2 (en) 2000-09-15 2006-03-07 Mindspeed Technologies, Inc. Controlling a weighting filter based on the spectral content of a speech signal
US6760698B2 (en) 2000-09-15 2004-07-06 Mindspeed Technologies Inc. System for coding speech information using an adaptive codebook with enhanced variable resolution scheme
US7606703B2 (en) * 2000-11-15 2009-10-20 Texas Instruments Incorporated Layered celp system and method with varying perceptual filter or short-term postfilter strengths
CA2327041A1 (en) * 2000-11-22 2002-05-22 Voiceage Corporation A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals
US6766289B2 (en) 2001-06-04 2004-07-20 Qualcomm Incorporated Fast code-vector searching
KR100412619B1 (ko) * 2001-12-27 2003-12-31 엘지.필립스 엘시디 주식회사 액정표시장치용 어레이 기판의 제조 방법
US7047188B2 (en) 2002-11-08 2006-05-16 Motorola, Inc. Method and apparatus for improvement coding of the subframe gain in a speech coding system
US7424423B2 (en) * 2003-04-01 2008-09-09 Microsoft Corporation Method and apparatus for formant tracking using a residual model
AU2003274864A1 (en) 2003-10-24 2005-05-11 Nokia Corpration Noise-dependent postfiltering
US7788091B2 (en) 2004-09-22 2010-08-31 Texas Instruments Incorporated Methods, devices and systems for improved pitch enhancement and autocorrelation in voice codecs
US7676362B2 (en) * 2004-12-31 2010-03-09 Motorola, Inc. Method and apparatus for enhancing loudness of a speech signal
CN101185127B (zh) * 2005-04-01 2014-04-23 高通股份有限公司 用于编码和解码语音信号的高频带部分的方法和设备
WO2006107838A1 (en) 2005-04-01 2006-10-12 Qualcomm Incorporated Systems, methods, and apparatus for highband time warping
US8280730B2 (en) 2005-05-25 2012-10-02 Motorola Mobility Llc Method and apparatus of increasing speech intelligibility in noisy environments
US7877253B2 (en) * 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
US20100332223A1 (en) 2006-12-13 2010-12-30 Panasonic Corporation Audio decoding device and power adjusting method
EP2165328B1 (en) * 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion
KR101789632B1 (ko) * 2009-12-10 2017-10-25 엘지전자 주식회사 음성 신호 부호화 방법 및 장치
US8868432B2 (en) 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding

Also Published As

Publication number Publication date
EP2951823A2 (en) 2015-12-09
US9728200B2 (en) 2017-08-08
BR112015018057B1 (pt) 2021-12-07
KR20150110721A (ko) 2015-10-02
CN109243478B (zh) 2023-09-08
HUE057931T2 (hu) 2022-06-28
WO2014120365A2 (en) 2014-08-07
US10141001B2 (en) 2018-11-27
DK2951823T3 (da) 2022-02-28
JP6373873B2 (ja) 2018-08-15
US20170301364A1 (en) 2017-10-19
JP2016504637A (ja) 2016-02-12
ES2907212T3 (es) 2022-04-22
CN104937662A (zh) 2015-09-23
CN109243478A (zh) 2019-01-18
CN104937662B (zh) 2018-11-06
WO2014120365A3 (en) 2014-11-20
KR101891388B1 (ko) 2018-08-24
EP2951823B1 (en) 2022-01-26
US20140214413A1 (en) 2014-07-31

Similar Documents

Publication Publication Date Title
BR112015018057A2 (pt) sistemas, métodos, aparelho e mídia legível por computador para aperfeiçoamento do formante adaptativo na codificação de predição linear
MY181352A (en) Design of sample entry and operation point signaling in a layered video file format
EP3419200B8 (en) Method, apparatus, computer program and system for determining information related to the audience of an audio-visual content program
BR122017013717A8 (pt) Método e aparelho para decodificar sinais hoa multiplexados e perceptualmente codificados, e meio de armazenamento não transitório
MX2019004446A (es) Dispositivo y metodo de procesamiento de informacion.
MX2016014071A (es) Metodo y aparato para analizar contenido de medios.
MY188166A (en) Method and apparatus for transform coding with block-level transform selection and implicit signaling within hierarchical partitioning
BR112015023401A2 (pt) ambiente de aprendizado de linguagem
BRPI0908630A2 (pt) Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
BR112015007723A2 (pt) codificador e decodificador de áudio com sonoridade de programa e metadados de limite
AR115901A2 (es) Énfasis de bajas frecuencias para codificación basada en lpc (codificación de predicción lineal) en el dominio de frecuencia
EP2698789A3 (en) Audio decoder and decoding method using efficient downmixing
BR112017026743A2 (pt) aparelho e método de decodificação, programa, e, aparelho e método de codificação
IN2015MN01874A (pt)
EP4042376A4 (en) INTER-CHANNEL PREDICTION AND TRANSFORMATION TECHNIQUES AND APPARATUS FOR POINT CLOUD ATTRIBUTE CODING
MY160265A (en) Apparatus and Method for Encoding and Decoding an Audio Signal Using an Aligned Look-Ahead Portion
BR112015031824A2 (pt) aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch
MY185546A (en) Unvoiced/voiced decision for speech processing
MX2016004922A (es) Concepto para codificar una señal de audio y decodificar una señal de audio usando informacion determinista y de tipo ruido.
BR112017001143A2 (pt) decodificador de áudio, método e programa de computador utilizando uma resposta de entrada zero para obter uma transição suave
HK1232333A1 (zh) 使用用於各個碼本信息的各個替換 表示產生錯誤隱藏信號的裝置、方法和對應的計算機程序
WO2014145546A3 (en) Method and apparatus for gcf repo index instrument
BR112014009647A2 (pt) aparelho e método de atenuação do ruído, atenuação do ruído, e, produto de programa de computador
BR112015020060A2 (pt) métodos de codificação e decodificação de um bloco de imagens, dispositivos correspondentes e fluxo de dados
KR101910424B9 (ko) 태그의 감성 분석을 이용한 영화 평점 예측 방법, 이를 수행하기 위한 기록 매체 및 장치

Legal Events

Date Code Title Description
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]
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 23/12/2013, OBSERVADAS AS CONDICOES LEGAIS.