CL2016000475A1 - Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia - Google Patents

Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia

Info

Publication number
CL2016000475A1
CL2016000475A1 CL2016000475A CL2016000475A CL2016000475A1 CL 2016000475 A1 CL2016000475 A1 CL 2016000475A1 CL 2016000475 A CL2016000475 A CL 2016000475A CL 2016000475 A CL2016000475 A CL 2016000475A CL 2016000475 A1 CL2016000475 A1 CL 2016000475A1
Authority
CL
Chile
Prior art keywords
high frequency
reconstruction algorithms
band table
table design
frequency band
Prior art date
Application number
CL2016000475A
Other languages
English (en)
Inventor
Per Ekstrand
Kristofer Kjoerling
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of CL2016000475A1 publication Critical patent/CL2016000475A1/es

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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—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
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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

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

SISTEMA PARA DETERMINAR UNA TABLA MAESTRA DE BANDAS DE FACTOR DE ESCALA DE UNA SEÑAL DE BANDA ALTA DE UNA SEÑAL DE AUDIO, QUE SE HA DE GENERAR DE UNA SEÑAL DE BANDA BAJA DE LA SEÑAL DE AUDIO, USANDO UN ESQUEMA DE RECONSTRUCCIÓN DE ALTA FRECUENCIA, DONDE LA TABLA ES INDICATIVA DE UNA RESOLUCIÓN DE FRECUENCIA DE UNA ENVOLVENTE ESPECTRAL DE LA SEÑAL DE BANDA ALTA; UNIDAD DE RECONSTRUCCIÓN; DECODIFICADOR; CODIFICADOR; CORRIENTE DE BITS; MÉTODO PARA DETERMINAR UNA TABLA MAESTRA.
CL2016000475A 2013-08-29 2016-02-29 Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia CL2016000475A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361871575P 2013-08-29 2013-08-29

Publications (1)

Publication Number Publication Date
CL2016000475A1 true CL2016000475A1 (es) 2016-09-23

Family

ID=51355520

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2016000475A CL2016000475A1 (es) 2013-08-29 2016-02-29 Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia

Country Status (23)

Country Link
US (1) US9842594B2 (es)
EP (1) EP3008727B1 (es)
JP (1) JP6392873B2 (es)
KR (1) KR101786863B1 (es)
CN (1) CN105556602B (es)
AR (1) AR097454A1 (es)
AU (1) AU2014314477B2 (es)
BR (1) BR112016004157B1 (es)
CA (1) CA2920816C (es)
CL (1) CL2016000475A1 (es)
DK (1) DK3008727T3 (es)
ES (1) ES2634196T3 (es)
HU (1) HUE033077T2 (es)
IL (1) IL243961B (es)
ME (1) ME02812B (es)
MX (1) MX355259B (es)
MY (1) MY183529A (es)
PL (1) PL3008727T3 (es)
RU (1) RU2650031C2 (es)
SG (1) SG11201600830UA (es)
TW (1) TWI557726B (es)
UA (1) UA116572C2 (es)
WO (1) WO2015028297A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10008214B2 (en) * 2015-09-11 2018-06-26 Electronics And Telecommunications Research Institute USAC audio signal encoding/decoding apparatus and method for digital radio services
TWI895201B (zh) * 2018-01-26 2025-08-21 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
CN109243485B (zh) * 2018-09-13 2021-08-13 广州酷狗计算机科技有限公司 恢复高频信号的方法和装置

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493666B2 (en) * 1998-09-29 2002-12-10 William M. Wiese, Jr. System and method for processing data from and for multiple channels
SE9903552D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6912424B2 (en) * 1999-12-01 2005-06-28 Meagan, Medical, Inc. Apparatus and method for coupling therapeutic and/or monitoring equipment to a patient
US7167828B2 (en) * 2000-01-11 2007-01-23 Matsushita Electric Industrial Co., Ltd. Multimode speech coding apparatus and decoding apparatus
US7330814B2 (en) * 2000-05-22 2008-02-12 Texas Instruments Incorporated Wideband speech coding with modulated noise highband excitation system and method
US7242784B2 (en) * 2001-09-04 2007-07-10 Motorola Inc. Dynamic gain control of audio in a communication device
DE60202881T2 (de) * 2001-11-29 2006-01-19 Coding Technologies Ab Wiederherstellung von hochfrequenzkomponenten
US7272566B2 (en) * 2003-01-02 2007-09-18 Dolby Laboratories Licensing Corporation Reducing scale factor transmission cost for MPEG-2 advanced audio coding (AAC) using a lattice based post processing technique
RU2316059C2 (ru) * 2003-05-01 2008-01-27 Нокиа Корпорейшн Способ и устройство для квантования усиления в широкополосном речевом кодировании с переменной битовой скоростью передачи
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
CN1875402B (zh) * 2003-10-30 2012-03-21 皇家飞利浦电子股份有限公司 音频信号编码或解码
KR100707174B1 (ko) * 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
BRPI0608270A2 (pt) * 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
CN101199003B (zh) * 2005-04-22 2012-01-11 高通股份有限公司 用于增益因数衰减的系统、方法和设备
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
US8682652B2 (en) * 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
JP5065687B2 (ja) * 2007-01-09 2012-11-07 株式会社東芝 オーディオデータ処理装置及び端末装置
US20080208575A1 (en) * 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
CA2699316C (en) * 2008-07-11 2014-03-18 Max Neuendorf Apparatus and method for calculating bandwidth extension data using a spectral tilt controlled framing
EP2224433B1 (en) * 2008-09-25 2020-05-27 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
JP5555707B2 (ja) * 2008-10-08 2014-07-23 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン マルチ分解能切替型のオーディオ符号化及び復号化スキーム
RU2523035C2 (ru) * 2008-12-15 2014-07-20 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аудио кодер и декодер, увеличивающий полосу частот
JP5298245B2 (ja) * 2009-12-16 2013-09-25 ドルビー インターナショナル アーベー Ｓｂｒビットストリームパラメータダウンミックス
EP2545548A1 (en) * 2010-03-09 2013-01-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an input audio signal using cascaded filterbanks
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
KR101803849B1 (ko) * 2010-07-19 2017-12-04 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
JP6037156B2 (ja) * 2011-08-24 2016-11-30 ソニー株式会社 符号化装置および方法、並びにプログラム
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
US9564141B2 (en) * 2014-02-13 2017-02-07 Qualcomm Incorporated Harmonic bandwidth extension of audio signals

Also Published As

Publication number Publication date
IL243961A0 (en) 2016-04-21
CN105556602B (zh) 2019-10-01
AR097454A1 (es) 2016-03-16
US9842594B2 (en) 2017-12-12
AU2014314477A1 (en) 2016-02-25
DK3008727T3 (en) 2017-08-28
PL3008727T3 (pl) 2017-10-31
JP6392873B2 (ja) 2018-09-19
TW201521014A (zh) 2015-06-01
MX355259B (es) 2018-04-11
MY183529A (en) 2021-02-24
CA2920816A1 (en) 2015-03-05
MX2016002421A (es) 2016-06-10
EP3008727B1 (en) 2017-06-14
AU2014314477B2 (en) 2016-11-24
HUE033077T2 (en) 2017-11-28
KR20160036670A (ko) 2016-04-04
WO2015028297A1 (en) 2015-03-05
KR101786863B1 (ko) 2017-10-18
CA2920816C (en) 2018-04-17
JP2016535870A (ja) 2016-11-17
US20160210970A1 (en) 2016-07-21
RU2016111311A (ru) 2017-10-04
IL243961B (en) 2020-04-30
HK1219557A1 (en) 2017-04-07
EP3008727A1 (en) 2016-04-20
RU2650031C2 (ru) 2018-04-06
BR112016004157B1 (pt) 2022-05-17
SG11201600830UA (en) 2016-03-30
ME02812B (me) 2018-01-20
BR112016004157A2 (es) 2017-08-01
CN105556602A (zh) 2016-05-04
TWI557726B (zh) 2016-11-11
UA116572C2 (uk) 2018-04-10
ES2634196T3 (es) 2017-09-27

Similar Documents

Publication Publication Date Title
CY1123164T1 (el) Διεργασια για τη συνθεση ενος αναστολεα ινδολαμινης 2,3-διοξυγενασης
AR101344A1 (es) Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo
BR112016011593A8 (pt) método para identificar posições dentro de um sistema de geolocalização e sistema para identificar localizações dentro de um sistema de geolocalização
EA201592074A1 (ru) Композиции и способы изменения сигнальной системы вторичного мессенджера
CL2017003157A1 (es) Generación de señal de banda alta
MX2017010593A (es) Aparato y método para procesar una señal de audio para obtener una señal de audio procesada usando una envolvente en el dominio del tiempo objetivo.
CL2018000649A1 (es) Nuevos compuestos bicíclicos como inhibidores duales de atx / ca
BR112015029113A2 (pt) codificação eficiente de cenas de áudio contendo objetos de áudio
MX2016000912A (es) Llenado de ruido en codificacion de audio de canales multiples.
CL2016001737A1 (es) Derivados heterocíclicos bicíclicos como inhibidores de bromodominio
MX376869B (es) Metodos utiles en la sintesis de analogos de halicondrina b.
AR101343A1 (es) Codificador y decodificador de audio usando un procesador de dominio de frecuencia, un procesador de dominio de tiempo y procesador cruzado para inicialización continua
CL2015003739A1 (es) Método de decodificación y aparato de decodificación
PL3996091T3 (pl) Kontekstowe kodowanie entropijne wartości próbek obwiedni widmowej
AR096257A1 (es) Separación de objeto de audio de señal de mezcla usando resoluciones de tiempo / frecuencia específicas del objeto
AR101340A1 (es) Aparato y método para procesar una señal de audio por el uso de un filtro posterior de armónicos
ES3053115T3 (en) Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
BR112015019040A2 (pt) sistemas e métodos de realizar filtragem para determinação de ganho
BR112018071617A2 (pt) método para preparar inibidor de tirosina quinase e derivado do mesmo
WO2014116608A3 (en) Dynamic headroom for envelope tracking
BR112016007515A2 (pt) codificação e decodificação de posições de picos espectrais
AU2014324499A8 (en) Novel synthesis routes for prostaglandins and prostaglandin intermediates using metathesis
CL2016000475A1 (es) Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia
CL2016000834A1 (es) Método, aparato y dispositivo para extensión del ancho de banda de una señal de audio usando una excitación de banda alta escalada.
EA201690263A1 (ru) Улучшенные способы получения перампанеля