JP2006503319A5 - - Google Patents

Download PDF

Info

Publication number
JP2006503319A5
JP2006503319A5 JP2004544517A JP2004544517A JP2006503319A5 JP 2006503319 A5 JP2006503319 A5 JP 2006503319A5 JP 2004544517 A JP2004544517 A JP 2004544517A JP 2004544517 A JP2004544517 A JP 2004544517A JP 2006503319 A5 JP2006503319 A5 JP 2006503319A5
Authority
JP
Japan
Prior art keywords
filter response
information signal
frequency domain
frame
modifying
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2004544517A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006503319A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/IB2003/001660 external-priority patent/WO2004036549A1/en
Publication of JP2006503319A publication Critical patent/JP2006503319A/ja
Publication of JP2006503319A5 publication Critical patent/JP2006503319A5/ja
Pending legal-status Critical Current

Links

JP2004544517A 2002-10-14 2003-04-22 信号フィルタリング Pending JP2006503319A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02079303 2002-10-14
PCT/IB2003/001660 WO2004036549A1 (en) 2002-10-14 2003-04-22 Signal filtering

Publications (2)

Publication Number Publication Date
JP2006503319A JP2006503319A (ja) 2006-01-26
JP2006503319A5 true JP2006503319A5 (https=) 2006-06-15

Family

ID=32103949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004544517A Pending JP2006503319A (ja) 2002-10-14 2003-04-22 信号フィルタリング

Country Status (7)

Country Link
US (1) US20060100861A1 (https=)
EP (1) EP1554716A1 (https=)
JP (1) JP2006503319A (https=)
KR (1) KR20050049549A (https=)
CN (1) CN1689070A (https=)
AU (1) AU2003219428A1 (https=)
WO (1) WO2004036549A1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846253B (zh) * 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
US20080281602A1 (en) * 2004-06-08 2008-11-13 Koninklijke Philips Electronics, N.V. Coding Reverberant Sound Signals
US7630396B2 (en) * 2004-08-26 2009-12-08 Panasonic Corporation Multichannel signal coding equipment and multichannel signal decoding equipment
WO2006025337A1 (ja) * 2004-08-31 2006-03-09 Matsushita Electric Industrial Co., Ltd. ステレオ信号生成装置およびステレオ信号生成方法
JP4809234B2 (ja) 2004-09-17 2011-11-09 パナソニック株式会社 オーディオ符号化装置、復号化装置、方法、及びプログラム
CN101185117B (zh) * 2005-05-26 2012-09-26 Lg电子株式会社 解码音频信号的方法和装置
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
KR100857105B1 (ko) 2005-09-14 2008-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
JP5161109B2 (ja) 2006-01-19 2013-03-13 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
WO2007083952A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US20090018824A1 (en) * 2006-01-31 2009-01-15 Matsushita Electric Industrial Co., Ltd. Audio encoding device, audio decoding device, audio encoding system, audio encoding method, and audio decoding method
KR100902899B1 (ko) 2006-02-07 2009-06-15 엘지전자 주식회사 부호화/복호화 장치 및 방법
US7991494B2 (en) 2006-02-23 2011-08-02 Lg Electronics Inc. Method and apparatus for processing an audio signal
TWI340600B (en) 2006-03-30 2011-04-11 Lg Electronics Inc Method for processing an audio signal, method of encoding an audio signal and apparatus thereof
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
MX2008012315A (es) 2006-09-29 2008-10-10 Lg Electronics Inc Metodos y aparatos para codificar y descodificar señales de audio basados en objeto.
KR101016224B1 (ko) * 2006-12-12 2011-02-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법
JP2011004264A (ja) * 2009-06-19 2011-01-06 Fujitsu Ltd ディジタル信号処理装置およびディジタル信号処理方法
EP3288033B1 (en) 2012-02-23 2019-04-10 Dolby International AB Methods and systems for efficient recovery of high frequency audio content

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US5189701A (en) * 1991-10-25 1993-02-23 Micom Communications Corp. Voice coder/decoder and methods of coding/decoding
JP3310682B2 (ja) * 1992-01-21 2002-08-05 日本ビクター株式会社 音響信号の符号化方法及び再生方法
US6112169A (en) * 1996-11-07 2000-08-29 Creative Technology, Ltd. System for fourier transform-based modification of audio
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
FR2768547B1 (fr) * 1997-09-18 1999-11-19 Matra Communication Procede de debruitage d'un signal de parole numerique
US6266003B1 (en) * 1998-08-28 2001-07-24 Sigma Audio Research Limited Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals
US6084170A (en) * 1999-09-08 2000-07-04 Creative Technology Ltd. Optimal looping for wavetable synthesis

Similar Documents

Publication Publication Date Title
JP2006503319A5 (https=)
JP5917518B2 (ja) 知覚スペクトルアンバランス改善のための音声信号動的補正
EP2717599B1 (fr) Procédé de traitement d'un signal audio avec modélisation de la réponse globale du haut-parleur électrodynamique
US20190230438A1 (en) Psychoacoustics for improved audio reproduction, power reduction, and speaker protection
US8103020B2 (en) Enhancing audio signals by nonlinear spectral operations
JP2009526260A5 (https=)
US9807502B1 (en) Psychoacoustics for improved audio reproduction and speaker protection
US20070100606A1 (en) Pre-resampling to achieve continuously variable analysis time/frequency resolution
JP2005521907A5 (https=)
US20080071541A1 (en) Audio signal interpolation method and device
JP2013516834A5 (https=)
US9171538B2 (en) Method and system for reducing impulsive noise disturbance
CN101527852A (zh) 信号处理装置、方法和程序
JP2005527141A5 (https=)
CN101517638A (zh) 高频信号插值方法以及高频信号插值装置
WO2017222562A1 (en) Psychoacoustics for improved audio reproduction and speaker protection
TW522660B (en) Compression method and device, expansion method and device, compression/expansion system, recording medium
KR101216730B1 (ko) 내용-적응형 필터 기술
JP5375861B2 (ja) オーディオ再生の効果付加方法およびその装置
TW202516861A (zh) 具有改善頻率解析度的低延遲音訊濾波器組
CN104575508B (zh) 一种音频信号变调的处理方法及其装置
US10331400B1 (en) Methods and apparatus for soft clipping
CN111010651A (zh) 扬声器控制装置和相关联的声音放送设备
WO2006085265A3 (en) A system for and a method of mixing first audio data with second audio data, a program element and a computer-readable medium
JP2019522816A5 (https=)