ATE182025T1 - Verfahren und vorrichtung zur effizienten implementierung von einseitenband-filterbänken, die genaue werte der spektralen amplitude und phase erzeugen - Google Patents

Verfahren und vorrichtung zur effizienten implementierung von einseitenband-filterbänken, die genaue werte der spektralen amplitude und phase erzeugen

Info

Publication number
ATE182025T1
ATE182025T1 AT96910493T AT96910493T ATE182025T1 AT E182025 T1 ATE182025 T1 AT E182025T1 AT 96910493 T AT96910493 T AT 96910493T AT 96910493 T AT96910493 T AT 96910493T AT E182025 T1 ATE182025 T1 AT E182025T1
Authority
AT
Austria
Prior art keywords
phase
filter banks
spectral
samples
complex
Prior art date
Application number
AT96910493T
Other languages
English (en)
Inventor
Grant Allen Davidson
Stephen Decker Vernon
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
Application granted granted Critical
Publication of ATE182025T1 publication Critical patent/ATE182025T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
AT96910493T 1995-03-27 1996-03-20 Verfahren und vorrichtung zur effizienten implementierung von einseitenband-filterbänken, die genaue werte der spektralen amplitude und phase erzeugen ATE182025T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/412,377 US5727119A (en) 1995-03-27 1995-03-27 Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase

Publications (1)

Publication Number Publication Date
ATE182025T1 true ATE182025T1 (de) 1999-07-15

Family

ID=23632747

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96910493T ATE182025T1 (de) 1995-03-27 1996-03-20 Verfahren und vorrichtung zur effizienten implementierung von einseitenband-filterbänken, die genaue werte der spektralen amplitude und phase erzeugen

Country Status (11)

Country Link
US (1) US5727119A (de)
EP (1) EP0818037B1 (de)
JP (1) JP4242450B2 (de)
KR (1) KR100378128B1 (de)
AT (1) ATE182025T1 (de)
AU (1) AU696442B2 (de)
CA (1) CA2213348C (de)
DE (1) DE69603166T2 (de)
DK (1) DK0818037T3 (de)
ES (1) ES2133956T3 (de)
WO (1) WO1996030894A1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3747067B2 (ja) * 1996-02-27 2006-02-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 信号の符号化及び復号化方法及び装置
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
EP1016231B1 (de) * 1997-08-29 2007-10-10 STMicroelectronics Asia Pacific Pte Ltd. Schnelles syntheseverfahren für die sub-bandfiltrierung für die dekodierung von digitalen signalen
US5899969A (en) * 1997-10-17 1999-05-04 Dolby Laboratories Licensing Corporation Frame-based audio coding with gain-control words
US5913191A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
JPH11219198A (ja) * 1998-01-30 1999-08-10 Sony Corp 位相検出装置及び方法、並びに音声符号化装置及び方法
US6330673B1 (en) 1998-10-14 2001-12-11 Liquid Audio, Inc. Determination of a best offset to detect an embedded pattern
US6209094B1 (en) 1998-10-14 2001-03-27 Liquid Audio Inc. Robust watermark method and apparatus for digital signals
US6345100B1 (en) 1998-10-14 2002-02-05 Liquid Audio, Inc. Robust watermark method and apparatus for digital signals
US6219634B1 (en) * 1998-10-14 2001-04-17 Liquid Audio, Inc. Efficient watermark method and apparatus for digital signals
US6320965B1 (en) 1998-10-14 2001-11-20 Liquid Audio, Inc. Secure watermark method and apparatus for digital signals
US6430529B1 (en) * 1999-02-26 2002-08-06 Sony Corporation System and method for efficient time-domain aliasing cancellation
US6496795B1 (en) * 1999-05-05 2002-12-17 Microsoft Corporation Modulated complex lapped transform for integrated signal enhancement and coding
KR100297832B1 (ko) 1999-05-15 2001-09-26 윤종용 음성 신호 위상 정보 처리 장치 및 그 방법
US6678647B1 (en) * 2000-06-02 2004-01-13 Agere Systems Inc. Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution
US6807528B1 (en) * 2001-05-08 2004-10-19 Dolby Laboratories Licensing Corporation Adding data to a compressed data frame
DE10234130B3 (de) * 2002-07-26 2004-02-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer komplexen Spektraldarstellung eines zeitdiskreten Signals
US7330812B2 (en) * 2002-10-04 2008-02-12 National Research Council Of Canada Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
CN100559467C (zh) * 2002-11-29 2009-11-11 皇家飞利浦电子股份有限公司 音频编码
ATE371246T1 (de) * 2003-05-28 2007-09-15 Dolby Lab Licensing Corp Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals
US6980933B2 (en) * 2004-01-27 2005-12-27 Dolby Laboratories Licensing Corporation Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients
JP4867914B2 (ja) 2004-03-01 2012-02-01 ドルビー ラボラトリーズ ライセンシング コーポレイション マルチチャンネルオーディオコーディング
US9992599B2 (en) * 2004-04-05 2018-06-05 Koninklijke Philips N.V. Method, device, encoder apparatus, decoder apparatus and audio system
JP5032978B2 (ja) * 2004-04-05 2012-09-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオコーディング及びデコーディングの方法及び装置
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
TWI498882B (zh) * 2004-08-25 2015-09-01 Dolby Lab Licensing Corp 音訊解碼器
BRPI0518278B1 (pt) 2004-10-26 2018-04-24 Dolby Laboratories Licensing Corporation Método e aparelho para controlar uma característica de sonoridade particular de um sinal de áudio
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
US20060224390A1 (en) * 2005-04-01 2006-10-05 Pai Ramadas L System, method, and apparatus for audio decoding accelerator
TWI397903B (zh) 2005-04-13 2013-06-01 杜比實驗室特許公司 編碼音訊之節約音量測量技術
BRPI0610719B1 (pt) * 2005-04-18 2015-11-24 Basf Ag preparação, processo para a produção da mesma, e, uso de preparações
DE602007002291D1 (de) * 2006-04-04 2009-10-15 Dolby Lab Licensing Corp Lautstärkemessung von tonsignalen und änderung im mdct-bereich
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
MX2008013753A (es) 2006-04-27 2009-03-06 Dolby Lab Licensing Corp Control de ganancia de audio que utiliza deteccion de evento auditivo basado en intensidad acustica especifica.
MX2009004175A (es) 2006-10-20 2009-04-30 Dolby Lab Licensing Corp Procesamiento de dinamica de audio que utiliza una reposicion.
US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
US8494840B2 (en) * 2007-02-12 2013-07-23 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
BRPI0807703B1 (pt) 2007-02-26 2020-09-24 Dolby Laboratories Licensing Corporation Método para aperfeiçoar a fala em áudio de entretenimento e meio de armazenamento não-transitório legível por computador
EP2168122B1 (de) * 2007-07-13 2011-11-30 Dolby Laboratories Licensing Corporation Tonverarbeitung mittels auditorischer szenenanalyse und spektraler asymmetrie
DE102007035171A1 (de) * 2007-07-27 2009-02-05 Siemens Medical Instruments Pte. Ltd. Verfahren zum Anpassen eines Hörgeräts mit Hilfe eines perzeptiven Modells
CN102017402B (zh) 2007-12-21 2015-01-07 Dts有限责任公司 用于调节音频信号的感知响度的系统
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI556227B (zh) 2009-05-27 2016-11-01 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
AU2012217184B2 (en) 2011-02-14 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Encoding and decoding of pulse positions of tracks of an audio signal
SG192714A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
CN102959620B (zh) * 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
US9373334B2 (en) 2011-11-22 2016-06-21 Dolby Laboratories Licensing Corporation Method and system for generating an audio metadata quality score
US8527264B2 (en) 2012-01-09 2013-09-03 Dolby Laboratories Licensing Corporation Method and system for encoding audio data with adaptive low frequency compensation
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
TWI538000B (zh) 2012-05-10 2016-06-11 杜比實驗室特許公司 多階段過濾器,音頻編碼器,音頻解碼器,施行多階段過濾的方法,用以編碼音頻資料的方法,用以將編碼音頻資料解碼的方法,及用以處理編碼位元流的方法和裝置
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CN107276551B (zh) 2013-01-21 2020-10-02 杜比实验室特许公司 解码具有保留数据空间中的元数据容器的编码音频比特流
BR122020007932B1 (pt) 2013-01-21 2022-09-27 Dolby International Ab Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado
US9916838B2 (en) 2013-01-21 2018-03-13 Dolby Laboratories Licensing Corporation Audio encoder and decoder with program loudness and boundary metadata
TWI530941B (zh) 2013-04-03 2016-04-21 杜比實驗室特許公司 用於基於物件音頻之互動成像的方法與系統
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
US10652856B2 (en) * 2017-06-22 2020-05-12 Telefonaktiebolaget Lm Ericsson (Publ) Transmission and reception of broadcast information in a wireless communication system

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428318U (de) * 1977-07-27 1979-02-24
US4567607A (en) * 1983-05-03 1986-01-28 Stereo Concepts, Inc. Stereo image recovery
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
JPH0646711B2 (ja) * 1985-03-12 1994-06-15 八重洲無線株式会社 スピ−チプロセッサ回路
DE3785189T2 (de) * 1987-04-22 1993-10-07 Ibm Verfahren und Einrichtung zur Veränderung von Sprachgeschwindigkeit.
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5297236A (en) * 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
US5357594A (en) * 1989-01-27 1994-10-18 Dolby Laboratories Licensing Corporation Encoding and decoding using specially designed pairs of analysis and synthesis windows
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals
US5185800A (en) * 1989-10-13 1993-02-09 Centre National D'etudes Des Telecommunications Bit allocation device for transformed digital audio broadcasting signals with adaptive quantization based on psychoauditive criterion
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
US5388181A (en) * 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
DK0520068T3 (da) * 1991-01-08 1996-07-15 Dolby Ray Milton Koder/dekoder for flerdimensionale lydfelter
EP0531538B1 (de) * 1991-03-29 1998-04-15 Sony Corporation Reduzierung der Zusaztinformation bei Teilbandkodierungsverfahren
FR2678103B1 (fr) * 1991-06-18 1996-10-25 Sextant Avionique Procede de synthese vocale.
JPH0514538A (ja) * 1991-06-27 1993-01-22 Toshiba Corp 画像情報送信システム
JP3178026B2 (ja) * 1991-08-23 2001-06-18 ソニー株式会社 ディジタル信号符号化装置及び復号化装置
JPH0573093A (ja) * 1991-09-17 1993-03-26 Nippon Telegr & Teleph Corp <Ntt> 信号特徴点の抽出方法
DE4134420C1 (de) * 1991-10-17 1992-12-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
JPH05216496A (ja) * 1992-02-06 1993-08-27 Matsushita Electric Ind Co Ltd 帯域分割フィルタ
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
US5400409A (en) * 1992-12-23 1995-03-21 Daimler-Benz Ag Noise-reduction method for noise-affected voice channels
WO1994019791A1 (en) * 1993-02-18 1994-09-01 Aware, Inc. Improved filter for use in audio compression and decompression systems
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system

Also Published As

Publication number Publication date
DE69603166D1 (de) 1999-08-12
EP0818037B1 (de) 1999-07-07
EP0818037A1 (de) 1998-01-14
AU696442B2 (en) 1998-09-10
CA2213348C (en) 2006-07-11
ES2133956T3 (es) 1999-09-16
KR100378128B1 (de) 2004-03-19
US5727119A (en) 1998-03-10
DK0818037T3 (da) 1999-12-13
DE69603166T2 (de) 2000-02-24
JP4242450B2 (ja) 2009-03-25
WO1996030894A1 (en) 1996-10-03
JPH11503240A (ja) 1999-03-23
AU5366996A (en) 1996-10-16
CA2213348A1 (en) 1996-10-03

Similar Documents

Publication Publication Date Title
DE69603166D1 (de) Verfahren und vorrichtung zur effizienten implementierung von einseitenband-filterbänken, die genaue werte der spektralen amplitude und phase erzeugen
ATE444655T1 (de) Erweiterte verarbeitung auf der basis einer mit komplexer exponentialfunktion modulierten filterbank und adaptive zeitsignalisierungsverfahren
Goodwin Residual modeling in music analysis-synthesis
Serra et al. Spectral modeling synthesis: A sound analysis/synthesis system based on a deterministic plus stochastic decomposition
JP4473913B2 (ja) スペクトル/変調スペクトル域表現における変形による情報信号処理
KR930020405A (ko) 코딩 디지탈 출력 신호를 제공하기 위한 디지탈 입력 신호 코딩 방법
KR920005507A (ko) 디지탈 신호 인코더
CA2553784A1 (en) Improved coding techniques using estimated spectral magnitude and phase derived from mdct coefficients
Crouzet et al. On the various influences of envelope information on the perception of speech in adverse conditions: An analysis of between-channel envelope correlation
Anderson Speech analysis and coding using a multi-resolution sinusoidal transform
CN102543091A (zh) 一种模拟音效的生成系统及方法
Pachori et al. A novel technique to reduce cross terms in the squared magnitude of the wavelet transform and the short-time Fourier transform
Shan et al. Nonlinear Time‐Varying Spectral Analysis: HHT and MODWPT
Bae et al. On a new enhancement of speech signal using non-uniform sampling and post filter
Wu et al. Robust target feature extraction based on modified cochlear filter analysis model
Doser et al. Time/frequency techniques for signal feature detection
Nelson Invertible time-frequency surfaces
Hanna et al. Influence of frequency distribution on intensity fluctuations of noise
Qian et al. Time-frequency distribution series
Yang et al. Discrete wavelet transform and short-time fourier transform applications: Wafer microcrack and voltage sag detection
Suzuki Speech processing system by use of short-time crosscorrelation function
Polotti Dynamic Models of Pseudo-Periodicity
Nishizawa et al. Speech synthesis using a maximally decimated pseudo QMF bank for embedded devices
DK0827647T3 (da) Analyse/syntesefiltreringssystem med effektiv ulige stablet enkeltsidebånds-filterbank, der anvender tidsdomæne aliasing udbalancering
PLOTKIN Signal-controlled tim-series modeling based on arma blocks, and separation of superimposed, overlapping spectra signals

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification