MX335999B - Metodo y sistema para codificar datos de audio con compensacion adaptativa de baja frecuencia. - Google Patents

Metodo y sistema para codificar datos de audio con compensacion adaptativa de baja frecuencia.

Info

Publication number
MX335999B
MX335999B MX2014007400A MX2014007400A MX335999B MX 335999 B MX335999 B MX 335999B MX 2014007400 A MX2014007400 A MX 2014007400A MX 2014007400 A MX2014007400 A MX 2014007400A MX 335999 B MX335999 B MX 335999B
Authority
MX
Mexico
Prior art keywords
audio data
low frequency
compensation
frequency compensation
frequency band
Prior art date
Application number
MX2014007400A
Other languages
English (en)
Spanish (es)
Other versions
MX2014007400A (es
Inventor
Michael Schug
Arijit Biswas
Vinay Melkote
Grant A Davidson
Mark S Vinton
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of MX2014007400A publication Critical patent/MX2014007400A/es
Publication of MX335999B publication Critical patent/MX335999B/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
MX2014007400A 2012-01-09 2012-09-25 Metodo y sistema para codificar datos de audio con compensacion adaptativa de baja frecuencia. MX335999B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261584478P 2012-01-09 2012-01-09
US13/588,890 US8527264B2 (en) 2012-01-09 2012-08-17 Method and system for encoding audio data with adaptive low frequency compensation
PCT/US2012/057132 WO2013106098A1 (en) 2012-01-09 2012-09-25 Method and system for encoding audio data with adaptive low frequency compensation

Publications (2)

Publication Number Publication Date
MX2014007400A MX2014007400A (es) 2015-03-05
MX335999B true MX335999B (es) 2016-01-07

Family

ID=48744528

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014007400A MX335999B (es) 2012-01-09 2012-09-25 Metodo y sistema para codificar datos de audio con compensacion adaptativa de baja frecuencia.

Country Status (18)

Country Link
US (2) US8527264B2 (enExample)
EP (1) EP2803067B1 (enExample)
JP (2) JP5755379B2 (enExample)
KR (1) KR101621704B1 (enExample)
AR (1) AR088007A1 (enExample)
AU (1) AU2012364749B2 (enExample)
BR (1) BR112014016847B1 (enExample)
CA (1) CA2858663C (enExample)
CL (1) CL2014001805A1 (enExample)
IL (1) IL233029A0 (enExample)
IN (1) IN2014CN04457A (enExample)
MX (1) MX335999B (enExample)
MY (1) MY187728A (enExample)
RU (1) RU2583717C1 (enExample)
SG (1) SG11201402983UA (enExample)
TW (1) TWI470621B (enExample)
UA (1) UA110291C2 (enExample)
WO (1) WO2013106098A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2261896B1 (en) * 2008-07-29 2017-12-06 Yamaha Corporation Performance-related information output device, system provided with performance-related information output device, and electronic musical instrument
EP2268057B1 (en) * 2008-07-30 2017-09-06 Yamaha Corporation Audio signal processing device, audio signal processing system, and audio signal processing method
JP5782677B2 (ja) 2010-03-31 2015-09-24 ヤマハ株式会社 コンテンツ再生装置および音声処理システム
EP2573761B1 (en) 2011-09-25 2018-02-14 Yamaha Corporation Displaying content in relation to music reproduction by means of information processing apparatus independent of music reproduction apparatus
JP5494677B2 (ja) 2012-01-06 2014-05-21 ヤマハ株式会社 演奏装置及び演奏プログラム
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
US9830917B2 (en) 2013-02-14 2017-11-28 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
EP2980792A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
JP6492915B2 (ja) * 2015-04-15 2019-04-03 富士通株式会社 符号化装置、符号化方法、及びプログラム
EP3288031A1 (en) 2016-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding an audio signal using a compensation value
CN110998722B (zh) * 2017-07-03 2023-11-10 杜比国际公司 低复杂性密集瞬态事件检测和译码
CN108616277B (zh) * 2018-05-22 2021-07-13 电子科技大学 一种多通道频域补偿的快速校正方法
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
CN114424282B (zh) 2019-09-03 2026-03-24 杜比实验室特许公司 低时延低频率效应编译码器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4817155A (en) * 1983-05-05 1989-03-28 Briar Herman P Method and apparatus for speech analysis
KR100228688B1 (ko) 1991-01-08 1999-11-01 쥬더 에드 에이. 다차원 음장용 인코우더/디코우더
US5632005A (en) 1991-01-08 1997-05-20 Ray Milton Dolby Encoder/decoder for multidimensional sound fields
US5581653A (en) * 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
US5727119A (en) 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
JPH10261964A (ja) * 1997-03-19 1998-09-29 Sanyo Electric Co Ltd 情報信号処理装置
CA2230188A1 (en) * 1998-03-27 1999-09-27 William C. Treurniet Objective audio quality measurement
EP1228569A1 (en) * 1999-10-30 2002-08-07 STMicroelectronics Asia Pacific Pte Ltd. A method of encoding frequency coefficients in an ac-3 encoder
AU2001284910B2 (en) * 2000-08-16 2007-03-22 Dolby Laboratories Licensing Corporation Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
AU2211102A (en) * 2000-11-30 2002-06-11 Scient Generics Ltd Acoustic communication system
US7747655B2 (en) * 2001-11-19 2010-06-29 Ricoh Co. Ltd. Printable representations for time-based media
US7110941B2 (en) * 2002-03-28 2006-09-19 Microsoft Corporation System and method for embedded audio coding with implicit auditory masking
US7509257B2 (en) * 2002-12-24 2009-03-24 Marvell International Ltd. Method and apparatus for adapting reference templates
US7333930B2 (en) * 2003-03-14 2008-02-19 Agere Systems Inc. Tonal analysis for perceptual audio coding using a compressed spectral representation
US7516064B2 (en) 2004-02-19 2009-04-07 Dolby Laboratories Licensing Corporation Adaptive hybrid transform for signal analysis and synthesis
JP2006018023A (ja) * 2004-07-01 2006-01-19 Fujitsu Ltd オーディオ信号符号化装置、および符号化プログラム
US8990073B2 (en) * 2007-06-22 2015-03-24 Voiceage Corporation Method and device for sound activity detection and sound signal classification
EP2193348A1 (en) 2007-09-28 2010-06-09 Voiceage Corporation Method and device for efficient quantization of transform information in an embedded speech and audio codec
KR20090122142A (ko) 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치

Also Published As

Publication number Publication date
EP2803067B1 (en) 2017-04-05
US8527264B2 (en) 2013-09-03
IN2014CN04457A (enExample) 2015-09-04
BR112014016847A2 (pt) 2017-06-13
IL233029A0 (en) 2014-07-31
MX2014007400A (es) 2015-03-05
MY187728A (en) 2021-10-14
JP2015187743A (ja) 2015-10-29
US20130179175A1 (en) 2013-07-11
AR088007A1 (es) 2014-04-30
TW201329961A (zh) 2013-07-16
RU2583717C1 (ru) 2016-05-10
AU2012364749B2 (en) 2015-08-13
SG11201402983UA (en) 2014-09-26
EP2803067A1 (en) 2014-11-19
AU2012364749A1 (en) 2014-07-03
US20140324441A1 (en) 2014-10-30
CN104040623A (zh) 2014-09-10
KR101621704B1 (ko) 2016-05-17
JP5755379B2 (ja) 2015-07-29
JP2015504179A (ja) 2015-02-05
WO2013106098A1 (en) 2013-07-18
HK1201976A1 (en) 2015-09-11
BR112014016847A8 (pt) 2017-07-04
CL2014001805A1 (es) 2015-02-27
JP6093801B2 (ja) 2017-03-08
CA2858663C (en) 2017-03-14
UA110291C2 (en) 2015-12-10
US9275649B2 (en) 2016-03-01
BR112014016847B1 (pt) 2020-12-15
KR20140104470A (ko) 2014-08-28
TWI470621B (zh) 2015-01-21
CA2858663A1 (en) 2013-07-18

Similar Documents

Publication Publication Date Title
MX2014007400A (es) Metodo y sistema para codificar datos de audio con compensacion adaptativa de baja frecuencia.
MX2011009648A (es) Deteccion de estado de red.
MX2015009601A (es) Concepto de llenado con ruido.
IN2015MN01766A (enExample)
MX2023001960A (es) Decodificador de audio multicanal, codificador de audio multicanal, metodos y programa de computadora usando un ajuste en base a se?ales residuales de una contribucion de una se?al decorrelacionada.
MX2012010469A (es) Decodificador de señales de audio, codificador de señales de audio, metodos y programa de computacion que utiliza tasa de muestreo dependiente de la codificacion del contorno de distorsion en el tiempo.
PH12015501114A1 (en) Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals
MY164393A (en) Mdct-based complex prediction stereo coding
EP4503024A3 (en) Adaptive audio content generation
IN2014MN00016A (enExample)
MX2017001235A (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.
MX2016000939A (es) Codificador de audio, decodificador de audio, metodos y programa de computacion usando señales residuales codificadas conjuntamente.
MY176904A (en) Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus
IN2012DN01277A (enExample)
GB2532379A (en) Wind noise reduction
MX2016000912A (es) Llenado de ruido en codificacion de audio de canales multiples.
MX2014001870A (es) Dispositivo y metodo de codificacion, dispositivo y metodo de decodificacion, y programa.
MX2015009682A (es) Codificador de audio, decodificador de audio, metodo para proveer una informacion de audio codificada, metodo para proveer una informacion de audio decodificada, programa de computacion y representacion codificada utilizado una ampliacion de ancho de banda adaptada por la señal.
WO2013142724A3 (en) Audio processing method and audio processing apparatus
EP3779980A3 (en) Method for predicting high frequency band signal, encoding device, and decoding device
MY197538A (en) Bandwidth extension of harmonic audio signal
MX347410B (es) Aparato y metodo para seleccionar uno de un primer algoritmo de codificacion y un segundo algoritmo de codificacion.
EP3937169A3 (en) Audio coding method and apparatus
WO2012075476A3 (en) Warped spectral and fine estimate audio encoding
IN2014CN03603A (enExample)