AR023444A1 - Metodo y aparato para decodificar una senal codificada y metodo y aparato para codificar una senal de entrada - Google Patents

Metodo y aparato para decodificar una senal codificada y metodo y aparato para codificar una senal de entrada

Info

Publication number
AR023444A1
AR023444A1 ARP000101655A ARP000101655A AR023444A1 AR 023444 A1 AR023444 A1 AR 023444A1 AR P000101655 A ARP000101655 A AR P000101655A AR P000101655 A ARP000101655 A AR P000101655A AR 023444 A1 AR023444 A1 AR 023444A1
Authority
AR
Argentina
Prior art keywords
coding
gain
quantification
adaptive
huffman
Prior art date
Application number
ARP000101655A
Other languages
English (en)
Spanish (es)
Original Assignee
Dolby Lab Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26968028&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR023444(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/349,645 external-priority patent/US6246345B1/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of AR023444A1 publication Critical patent/AR023444A1/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
    • G10L19/02—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
    • G10L19/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ARP000101655A 1999-04-16 2000-04-11 Metodo y aparato para decodificar una senal codificada y metodo y aparato para codificar una senal de entrada AR023444A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US09/349,645 US6246345B1 (en) 1999-04-16 1999-07-08 Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding

Publications (1)

Publication Number Publication Date
AR023444A1 true AR023444A1 (es) 2002-09-04

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000101655A AR023444A1 (es) 1999-04-16 2000-04-11 Metodo y aparato para decodificar una senal codificada y metodo y aparato para codificar una senal de entrada

Country Status (17)

Country Link
EP (1) EP1175670B2 (ko)
JP (1) JP4843142B2 (ko)
KR (1) KR100893281B1 (ko)
CN (1) CN1158646C (ko)
AR (1) AR023444A1 (ko)
AT (1) ATE269574T1 (ko)
AU (1) AU771454B2 (ko)
BR (1) BRPI0010672B1 (ko)
CA (1) CA2368453C (ko)
DE (1) DE60011606T3 (ko)
DK (1) DK1175670T4 (ko)
ES (1) ES2218148T5 (ko)
HK (1) HK1045747B (ko)
MX (1) MXPA01010447A (ko)
MY (1) MY122486A (ko)
TW (1) TW536692B (ko)
WO (1) WO2000063886A1 (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
DE102004007200B3 (de) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
RU2420816C2 (ru) * 2006-02-24 2011-06-10 Франс Телеком Способ двоичного кодирования показателей квантования огибающей сигнала, способ декодирования огибающей сигнала и соответствующие модули кодирования и декодирования
DE102006022346B4 (de) * 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Informationssignalcodierung
KR101482199B1 (ko) * 2006-07-24 2015-01-14 마벨 월드 트레이드 리미티드 오디오 모니터링을 구비한 자기 및 광학 회전형 저장 시스템
WO2008108701A1 (en) * 2007-03-02 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Postfilter for layered codecs
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
KR20140057683A (ko) * 2011-08-29 2014-05-13 주식회사 아이벡스피티홀딩스 머지 모드에서 영상 부호화 방법
ES2970676T3 (es) * 2012-12-13 2024-05-30 Fraunhofer Ges Forschung Dispositivo de codificación de audio vocal, dispositivo de decodificación de audio vocal, procedimiento decodificación de audio vocal, y procedimiento de decodificación de audio vocal
CN116366411B (zh) * 2023-03-28 2024-03-08 扬州宇安电子科技有限公司 一种多比特信号量化自适应门限生成及量化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
WO1995032499A1 (fr) * 1994-05-25 1995-11-30 Sony Corporation Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Also Published As

Publication number Publication date
TW536692B (en) 2003-06-11
DE60011606T3 (de) 2008-01-24
ES2218148T5 (es) 2008-02-16
DK1175670T3 (da) 2004-10-11
ATE269574T1 (de) 2004-07-15
CA2368453C (en) 2009-12-08
MXPA01010447A (es) 2002-07-30
DK1175670T4 (da) 2007-11-19
EP1175670B1 (en) 2004-06-16
CN1347549A (zh) 2002-05-01
CA2368453A1 (en) 2000-10-26
HK1045747B (zh) 2004-12-31
BR0010672A (pt) 2002-02-19
AU4227900A (en) 2000-11-02
AU771454B2 (en) 2004-03-25
HK1045747A1 (en) 2002-12-06
KR100893281B1 (ko) 2009-04-17
MY122486A (en) 2006-04-29
EP1175670B2 (en) 2007-09-19
BRPI0010672B1 (pt) 2016-06-07
WO2000063886A1 (en) 2000-10-26
DE60011606D1 (de) 2004-07-22
KR20010112434A (ko) 2001-12-20
ES2218148T3 (es) 2004-11-16
JP2002542522A (ja) 2002-12-10
JP4843142B2 (ja) 2011-12-21
CN1158646C (zh) 2004-07-21
EP1175670A1 (en) 2002-01-30
DE60011606T2 (de) 2005-06-23

Similar Documents

Publication Publication Date Title
AR023444A1 (es) Metodo y aparato para decodificar una senal codificada y metodo y aparato para codificar una senal de entrada
ES2096481T3 (es) Asignacion binaria adaptable eficaz desde el punto de vista del calculo para metodo y aparato codificador.
RU2224302C2 (ru) Способ и устройство для масштабируемого кодирования/декодирования аудиосигналов
ES2097057T3 (es) Asignacion adaptable hibrida para un codificador y descodificador de audio.
ES2143312T3 (es) Codificacion y decodificacion de señales audio con la utilizacion de intensidad estereo y prediccion.
ES2161052T3 (es) Procedimiento para codificar una señal audio.
TW360860B (en) Digital audio signal coding and/or decoding method
RU97122037A (ru) Способ и устройство для масштабируемого кодирования/декодирования аудиосигнала
DE60202881D1 (de) Wiederherstellung von hochfrequenzkomponenten
ES2099185T3 (es) Codificador, descodificador y codificador/descodificador de transformada de baja frecuencia de bits para aplicaciones de audio de alta calidad.
DK0931386T3 (da) Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal
AR022190A1 (es) Aparato y metodo para la codificacion de una senal de informacion digital, el portador de grabacion que comprende la senal digital y el decodificador para decodificar tal senal
AR024858A1 (es) Metodo para establecer resoluciones de cuantificacion para senales de subbandas de cuantificacion
US20120078641A1 (en) Compression coding and decoding method, coder, decoder, and coding device
EP1052620A4 (en) SOUND CODING AND DECODING METHOD AND CORRESPONDING CODING AND DECODING DEVICE
ATE384358T1 (de) Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
MY130167A (en) Information encoding method and apparatus, information decoding method and apparatus, information transmission method and information recording medium
US7225136B2 (en) Data compression and expansion of an audio signal
Lynch et al. Speech/silence segmentation for real-time coding via rule based adaptive endpoint detection
CA2314421A1 (en) Subband encoding and decoding system for data compression and decompression
ES2121189T3 (es) Procedimiento y aparato de codificado/decodificado de ruidos de fondo.
EP1310943A3 (en) Speech coding apparatus, speech decoding apparatus and speech coding/decoding method
DE69328471D1 (de) Verfahren und Vorrichtung zur Kompression und Expandierung von Punktdaten
MX2022013267A (es) Método y aparato de codificación de señal de audio.
BR9805296A (pt) Método de processamento de imagem, apareho de processamento de imagem e meio de armazenamento de dados.

Legal Events

Date Code Title Description
FG Grant, registration