MX355091B - Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz. - Google Patents

Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz.

Info

Publication number
MX355091B
MX355091B MX2016004923A MX2016004923A MX355091B MX 355091 B MX355091 B MX 355091B MX 2016004923 A MX2016004923 A MX 2016004923A MX 2016004923 A MX2016004923 A MX 2016004923A MX 355091 B MX355091 B MX 355091B
Authority
MX
Mexico
Prior art keywords
audio signal
spectral shaping
encoding
gain parameter
shaping information
Prior art date
Application number
MX2016004923A
Other languages
English (en)
Other versions
MX2016004923A (es
Inventor
Markus Schnell
Markus Multrus
Guillaume Fuchs
Emmanuel Ravelli
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2016004923A publication Critical patent/MX2016004923A/es
Publication of MX355091B publication Critical patent/MX355091B/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
    • G10L19/04—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
    • G10L19/12—Determination 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
    • 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • 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
    • G10L2019/0016—Codebook for LPC parameters

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

De acuerdo con un aspecto de la presente invención, un codificador para codificar una señal de audio comprende un analizador configurado para derivar coeficientes de predicción y una señal residual a partir de un cuadro de la señal de audio. El codificador comprende una calculadora de información formante configurada para calcular una información de conformación espectral relacionada con la voz, a partir de los coeficientes de predicción, una calculadora de parámetros de ganancia configurada para calcular un parámetro de ganancia a partir de una señal residual no vocal y la información de conformación espectral y un formador de corrientes de bits configurado para formar una señal de salida sobre la base de una información relativa a un cuadro de señal de voz, el parámetro de ganancia o un parámetro de ganancia cuantificada y los coeficientes de predicción.
MX2016004923A 2013-10-18 2014-10-10 Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz. MX355091B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13189392 2013-10-18
EP14178788 2014-07-28
PCT/EP2014/071767 WO2015055531A1 (en) 2013-10-18 2014-10-10 Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information

Publications (2)

Publication Number Publication Date
MX2016004923A MX2016004923A (es) 2016-07-11
MX355091B true MX355091B (es) 2018-04-04

Family

ID=51691033

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016004923A MX355091B (es) 2013-10-18 2014-10-10 Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz.

Country Status (17)

Country Link
US (3) US10373625B2 (es)
EP (2) EP3806094A1 (es)
JP (1) JP6366706B2 (es)
KR (1) KR101849613B1 (es)
CN (2) CN105745705B (es)
AU (1) AU2014336356B2 (es)
BR (1) BR112016008662B1 (es)
CA (1) CA2927716C (es)
ES (1) ES2856199T3 (es)
MX (1) MX355091B (es)
MY (1) MY180722A (es)
PL (1) PL3058568T3 (es)
RU (1) RU2646357C2 (es)
SG (1) SG11201603000SA (es)
TW (1) TWI575512B (es)
WO (1) WO2015055531A1 (es)
ZA (1) ZA201603158B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX347316B (es) * 2013-01-29 2017-04-21 Fraunhofer Ges Forschung Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación.
EP3058569B1 (en) 2013-10-18 2020-12-09 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
CN105745705B (zh) * 2013-10-18 2020-03-20 弗朗霍夫应用科学研究促进协会 编码和解码音频信号的编码器、解码器及相关方法
US10418042B2 (en) * 2014-05-01 2019-09-17 Nippon Telegraph And Telephone Corporation Coding device, decoding device, method, program and recording medium thereof
US20190051286A1 (en) * 2017-08-14 2019-02-14 Microsoft Technology Licensing, Llc Normalization of high band signals in network telephony communications
WO2020164752A1 (en) * 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transmitter processor, audio receiver processor and related methods and computer programs
CN113129910B (zh) 2019-12-31 2024-07-30 华为技术有限公司 音频信号的编解码方法和编解码装置
CN112002338B (zh) * 2020-09-01 2024-06-21 北京百瑞互联技术股份有限公司 一种优化音频编码量化次数的方法及系统

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
CA2108623A1 (en) * 1992-11-02 1994-05-03 Yi-Sheng Wang Adaptive pitch pulse enhancer and method for use in a codebook excited linear prediction (celp) search loop
JP3099852B2 (ja) * 1993-01-07 2000-10-16 日本電信電話株式会社 励振信号の利得量子化方法
US5864797A (en) * 1995-05-30 1999-01-26 Sanyo Electric Co., Ltd. Pitch-synchronous speech coding by applying multiple analysis to select and align a plurality of types of code vectors
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
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
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
JPH1020891A (ja) * 1996-07-09 1998-01-23 Sony Corp 音声符号化方法及び装置
JP3707153B2 (ja) 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
JPH11122120A (ja) * 1997-10-17 1999-04-30 Sony Corp 符号化方法及び装置、並びに復号化方法及び装置
KR100527217B1 (ko) * 1997-10-22 2005-11-08 마츠시타 덴끼 산교 가부시키가이샤 확산 벡터 생성 방법, 확산 벡터 생성 장치, ｃｅｌｐ형 음성 복호화 방법 및 ｃｅｌｐ형 음성 복호화 장치
CN1737903A (zh) 1997-12-24 2006-02-22 三菱电机株式会社 声音译码方法以及声音译码装置
US6415252B1 (en) 1998-05-28 2002-07-02 Motorola, Inc. Method and apparatus for coding and decoding speech
CN1167048C (zh) 1998-06-09 2004-09-15 松下电器产业株式会社 语音编码设备和语音解码设备
US6067511A (en) * 1998-07-13 2000-05-23 Lockheed Martin Corp. LPC speech synthesis using harmonic excitation generator with phase modulator for voiced speech
US6192335B1 (en) 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
US6463410B1 (en) 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
JP3451998B2 (ja) * 1999-05-31 2003-09-29 日本電気株式会社 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
DE10124420C1 (de) 2001-05-18 2002-11-28 Siemens Ag Verfahren zur Codierung und zur Übertragung von Sprachsignalen
US6871176B2 (en) * 2001-07-26 2005-03-22 Freescale Semiconductor, Inc. Phase excited linear prediction encoder
KR101000345B1 (ko) 2003-04-30 2010-12-13 파나소닉 주식회사 음성 부호화 장치, 음성 복호화 장치 및 그 방법
CN1820306B (zh) 2003-05-01 2010-05-05 诺基亚有限公司 可变比特率宽带语音编码中增益量化的方法和装置
KR100651712B1 (ko) * 2003-07-10 2006-11-30 학교법인연세대학교 광대역 음성 부호화기 및 그 방법과 광대역 음성 복호화기및 그 방법
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
JP5188990B2 (ja) 2006-02-22 2013-04-24 フランス・テレコム Ｃｅｌｐ技術における、デジタルオーディオ信号の改善された符号化／復号化
US8712766B2 (en) * 2006-05-16 2014-04-29 Motorola Mobility Llc Method and system for coding an information signal using closed loop adaptive bit allocation
MX2009013519A (es) 2007-06-11 2010-01-18 Fraunhofer Ges Forschung Codificador de audio para codificar una señal de audio que tiene una porcion similar a un impulso y una porcion estacionaria, metodos de codificacion, decodificador, metodo de decodificacion, y señal de audio codificada.
JP2011518345A (ja) 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
JP5148414B2 (ja) * 2008-08-29 2013-02-20 株式会社東芝 信号帯域拡張装置
RU2400832C2 (ru) 2008-11-24 2010-09-27 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФCО России) Способ формирования сигнала возбуждения в низкоскоростных вокодерах с линейным предсказанием
GB2466671B (en) 2009-01-06 2013-03-27 Skype Speech encoding
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
DK2676271T3 (da) 2011-02-15 2020-08-24 Voiceage Evs Llc Anordning og fremgangsmåde til kvantisering af forstærkninger af adaptive og faste bidrag fra excitationen i en celp-koder-dekoder
US9972325B2 (en) 2012-02-17 2018-05-15 Huawei Technologies Co., Ltd. System and method for mixed codebook excitation for speech coding
CN103295578B (zh) 2012-03-01 2016-05-18 华为技术有限公司 一种语音频信号处理方法和装置
EP3058569B1 (en) * 2013-10-18 2020-12-09 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
CN105745705B (zh) * 2013-10-18 2020-03-20 弗朗霍夫应用科学研究促进协会 编码和解码音频信号的编码器、解码器及相关方法
PT3058568T (pt) 2013-10-18 2021-03-04 Fraunhofer Ges Forschung Conceito para codificar um sinal de áudio e descodificar um sinal de áudio usando informação de modelação espectral relacionada com a fala

Also Published As

Publication number Publication date
US10373625B2 (en) 2019-08-06
AU2014336356B2 (en) 2017-04-06
RU2016119010A (ru) 2017-11-23
EP3058568A1 (en) 2016-08-24
AU2014336356A1 (en) 2016-05-19
US20210098010A1 (en) 2021-04-01
EP3806094A1 (en) 2021-04-14
US20190333529A1 (en) 2019-10-31
TW201528255A (zh) 2015-07-16
PL3058568T3 (pl) 2021-07-05
KR101849613B1 (ko) 2018-04-18
RU2646357C2 (ru) 2018-03-02
CA2927716C (en) 2020-09-01
CN105745705B (zh) 2020-03-20
KR20160073398A (ko) 2016-06-24
CN111370009B (zh) 2023-12-22
CN111370009A (zh) 2020-07-03
SG11201603000SA (en) 2016-05-30
US10909997B2 (en) 2021-02-02
WO2015055531A1 (en) 2015-04-23
MY180722A (en) 2020-12-07
ES2856199T3 (es) 2021-09-27
TWI575512B (zh) 2017-03-21
CA2927716A1 (en) 2015-04-23
US11881228B2 (en) 2024-01-23
JP6366706B2 (ja) 2018-08-01
US20160232909A1 (en) 2016-08-11
JP2016533528A (ja) 2016-10-27
CN105745705A (zh) 2016-07-06
MX2016004923A (es) 2016-07-11
BR112016008662B1 (pt) 2022-06-14
EP3058568B1 (en) 2021-01-13
ZA201603158B (en) 2017-11-29
BR112016008662A2 (es) 2017-08-01

Similar Documents

Publication Publication Date Title
MX355091B (es) Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz.
MX2017011187A (es) Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada.
AR115901A2 (es) Énfasis de bajas frecuencias para codificación basada en lpc (codificación de predicción lineal) en el dominio de frecuencia
MX355258B (es) Concepto para codificar una señal de audio y decodificar una señal de audio usando información determinista y de tipo ruido.
MX363348B (es) Codificador, descodificador y metodo para codificar y descodificar.
WO2011059254A3 (en) An apparatus for processing a signal and method thereof
ATE537537T1 (de) Signalkomprimierungsverfahren und -vorrichtung
MX2018003529A (es) Codificador y metodo para codificar una se?al de audio con ruido de fondo reducido que utiliza codificacion predictiva lineal.
MX356036B (es) Decodificador de audio y método para proveer una información de audio decodificada usando un ocultamiento de error que modifica una señal de excitación de dominio de tiempo.
MX2016005535A (es) Decodificador de audio y metodo para proveer una informacion de audio decodificada usando un ocultamiento de error sobre la base de una señal de excitacion de dominio de tiempo.
EP4297027A3 (en) Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
MX356164B (es) Codificador para codificar una señal de audio, sistema de audio de transmisión y método para determinar valores de corrección.
MX342308B (es) Aparato y metodo para determinar funcion de ponderacion que tiene baja complejidad para cuantificacion de coeficientes de codificacion predictiva lineal.
AR078573A1 (es) Decodificador multimodo para senal de audio, codificador multimodo para senal de audio, metodo y programa de computacion que usan un modelado de ruido en base a linealidad-prediccion-codificacion
MX2016012950A (es) Metodos codificador y decodificador para la codificacion y decodificacion predictiva lineal de señales de sonido en la transicion entre cuadros teniendo diferentes tasas de muestreo.
MX2019011956A (es) Clasificacion y codificacion de señal de audio.
RU2013142349A (ru) Декодер речи, кодер речи, способ декодирования речи, способ кодирования речи, программа декодирования речи и программа кодирования речи
EP4375992A3 (en) Method and device for quantizing linear predictive coefficient, and method and device for dequantizing same
MX352154B (es) Decisión sorda/sonora para procesamiento de voz.
MX358363B (es) Concepto para la codificación de información.
WO2012070866A3 (ko) 스피치 시그널 부호화 방법 및 복호화 방법
MY163240A (en) Signal encoding and decoding methods and devices
AR098072A1 (es) Concepto para codificar una señal de audio y decodificar una señal de audio usando información de conformación espectral relacionada con la voz
TH1601002084A (th) แนวคิดสำหรับการเข้ารหัสสัญญาณเสียง และการถอดรหัสสัญญาณเสียงโดยการใช้สารสนเทศการทำให้มีรูปทรงเชิง สเปกตรัมที่ได้รับการทำให้เกี่ยวข้องกับคำพูด
TH182825B (th) แนวคิดสำหรับการเข้ารหัสสัญญาณเสียง และการถอดรหัสสัญญาณเสียงโดยการใช้ สารสนเทศที่คล้ายสัญญาณรบกวน และที่กำหนดขึ้น

Legal Events

Date Code Title Description
FG Grant or registration