WO2009016902A1 - 信号処理装置及び信号処理方法、並びにプログラム - Google Patents

信号処理装置及び信号処理方法、並びにプログラム Download PDF

Info

Publication number
WO2009016902A1
WO2009016902A1 PCT/JP2008/061614 JP2008061614W WO2009016902A1 WO 2009016902 A1 WO2009016902 A1 WO 2009016902A1 JP 2008061614 W JP2008061614 W JP 2008061614W WO 2009016902 A1 WO2009016902 A1 WO 2009016902A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal processing
coefficient information
normalization coefficient
signal component
processing device
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.)
Ceased
Application number
PCT/JP2008/061614
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Honma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to US12/524,992 priority Critical patent/US8290784B2/en
Priority to HK10100801.7A priority patent/HK1133944B/xx
Priority to CN2008800035982A priority patent/CN101595524B/zh
Priority to EP08790629.3A priority patent/EP2187388B1/en
Publication of WO2009016902A1 publication Critical patent/WO2009016902A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

　本発明は、高音質な符号化列を出力する信号処理装置及び信号処理方法、並びにプログラムを提供する。本発明の実施の一形態による信号処理装置は、フレームの信号成分の正規化係数情報と１次追加信号成分の正規化係数情報とを正規化係数情報１次増減量に応じて修正する正規化係数情報増減回路１２と、１次追加信号成分を複製した２次追加信号成分の正規化係数情報を正規化係数情報２次増減量に応じて修正する追加信号成分正規化係数情報増減回路１４とを備える。
PCT/JP2008/061614 2007-07-30 2008-06-26 信号処理装置及び信号処理方法、並びにプログラム Ceased WO2009016902A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/524,992 US8290784B2 (en) 2007-07-30 2008-06-26 Signal processing method and program
HK10100801.7A HK1133944B (en) 2007-07-30 2008-06-26 Signal processing apparatus, and signal processing method
CN2008800035982A CN101595524B (zh) 2007-07-30 2008-06-26 信号处理设备、信号处理方法
EP08790629.3A EP2187388B1 (en) 2007-07-30 2008-06-26 Signal processing device, signal processing method, and program

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007197960A JP5098492B2 (ja) 2007-07-30 2007-07-30 信号処理装置及び信号処理方法、並びにプログラム
JP2007-197960 2007-07-30

Publications (1)

Publication Number Publication Date
WO2009016902A1 true WO2009016902A1 (ja) 2009-02-05

Family

ID=40304139

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061614 Ceased WO2009016902A1 (ja) 2007-07-30 2008-06-26 信号処理装置及び信号処理方法、並びにプログラム

Country Status (6)

Country Link
US (1) US8290784B2 (ja)
EP (1) EP2187388B1 (ja)
JP (1) JP5098492B2 (ja)
KR (1) KR20100039823A (ja)
CN (1) CN101595524B (ja)
WO (1) WO2009016902A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5045295B2 (ja) * 2007-07-30 2012-10-10 ソニー株式会社 信号処理装置及び方法、並びにプログラム
JP5679253B2 (ja) * 2009-05-26 2015-03-04 国立大学法人東京工業大学 自立性高分子薄膜

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001134294A (ja) * 1999-11-10 2001-05-18 Toshiba Corp オーディオ信号のビットストリームの処理方法及び処理装置
JP2002304198A (ja) * 2001-04-05 2002-10-18 Sony Corp 信号処理装置および信号処理方法
JP3336617B2 (ja) 1993-05-31 2002-10-21 ソニー株式会社 信号符号化又は復号化装置，及び信号符号化又は復号化方法，並びに記録媒体
JP2006317549A (ja) * 2005-05-10 2006-11-24 Sony Corp 音声符号化装置及び方法、並びに音声復号装置及び方法
JP3879250B2 (ja) 1998-05-14 2007-02-07 ソニー株式会社 エンコード方法、デコード方法、エンコード装置、デコード装置、ディジタル信号記録方法、ディジタル信号記録装置、記録媒体、ディジタル信号送信方法及びディジタル信号送信装置
JP3879249B2 (ja) 1998-05-14 2007-02-07 ソニー株式会社 エンコード方法、デコード方法、エンコード装置、デコード装置、ディジタル信号記録方法、ディジタル信号記録装置、記録媒体、ディジタル信号送信方法及びディジタル信号送信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
JP3164038B2 (ja) * 1997-11-05 2001-05-08 日本電気株式会社 音声帯域分割復号装置
US6353584B1 (en) 1998-05-14 2002-03-05 Sony Corporation Reproducing and recording apparatus, decoding apparatus, recording apparatus, reproducing and recording method, decoding method and recording method
JP4639441B2 (ja) 1999-09-01 2011-02-23 ソニー株式会社 ディジタル信号処理装置および処理方法、並びにディジタル信号記録装置および記録方法
EP1298915A1 (en) * 2000-06-28 2003-04-02 Sony Corporation Additional information embedding device and additional information embedding method
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
JP2004361602A (ja) * 2003-06-04 2004-12-24 Sony Corp データ生成方法およびデータ生成装置、データ復元方法およびデータ復元装置、並びにプログラム
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3336617B2 (ja) 1993-05-31 2002-10-21 ソニー株式会社 信号符号化又は復号化装置，及び信号符号化又は復号化方法，並びに記録媒体
JP3879250B2 (ja) 1998-05-14 2007-02-07 ソニー株式会社 エンコード方法、デコード方法、エンコード装置、デコード装置、ディジタル信号記録方法、ディジタル信号記録装置、記録媒体、ディジタル信号送信方法及びディジタル信号送信装置
JP3879249B2 (ja) 1998-05-14 2007-02-07 ソニー株式会社 エンコード方法、デコード方法、エンコード装置、デコード装置、ディジタル信号記録方法、ディジタル信号記録装置、記録媒体、ディジタル信号送信方法及びディジタル信号送信装置
JP2001134294A (ja) * 1999-11-10 2001-05-18 Toshiba Corp オーディオ信号のビットストリームの処理方法及び処理装置
JP2002304198A (ja) * 2001-04-05 2002-10-18 Sony Corp 信号処理装置および信号処理方法
JP2006317549A (ja) * 2005-05-10 2006-11-24 Sony Corp 音声符号化装置及び方法、並びに音声復号装置及び方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of EP2187388A4
THIPPUR V. ET AL.: "VECTOR QUANTIZATION OF SCALE FACTORS IN ADVANCED AUDIO CODER(AAC", THE PROCEEDINGS OF THE 1998 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, vol. 6, pages 3641 - 3644 *

Also Published As

Publication number Publication date
EP2187388A4 (en) 2012-07-25
EP2187388A1 (en) 2010-05-19
HK1133944A1 (en) 2010-04-09
JP5098492B2 (ja) 2012-12-12
EP2187388B1 (en) 2013-10-02
CN101595524A (zh) 2009-12-02
CN101595524B (zh) 2012-09-26
KR20100039823A (ko) 2010-04-16
US8290784B2 (en) 2012-10-16
JP2009031676A (ja) 2009-02-12
US20100131281A1 (en) 2010-05-27

Similar Documents

Publication Publication Date Title
MX2010005679A (es) Metodo y aparato para extension de ancho de banda de señal de audio.
WO2008081461A3 (en) Entropy deficiency based image compression
WO2008152797A1 (ja) 統計的画像向上方法、画像符号化方法及び画像復号化方法
MY161609A (en) Frequency band extending device and method, encoding device and method, decoding device and method, and program
WO2011013983A3 (en) A method and an apparatus for processing an audio signal
WO2008049587A8 (en) Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program
WO2010036061A3 (en) An apparatus for processing an audio signal and method thereof
WO2010013939A3 (en) An apparatus for processing an audio signal and method thereof
WO2010011551A3 (en) Method and apparatus for improving digital predistortion correction with amplifier device biasing
MX2010008279A (es) Metodo y aparato para calcular energia de banda alta en un sistema de extension de ancho de banda.
EP4730328A3 (en) Signal clipping protection using pre-existing audio gain metadata
WO2010077913A3 (en) Method and apparatus for noise reduction in video
WO2007102782A3 (en) Methods and arrangements for audio coding and decoding
WO2009028023A1 (ja) エコー抑制装置、エコー抑制システム、エコー抑制方法及びコンピュータプログラム
WO2008006772A3 (en) Method for operating a binaural hearing system as well as a binaural hearing system
WO2008137324A3 (en) Color-corrected optical system, in particular a color-corrected endoscope
WO2011027004A3 (en) Method for operating a hearing device and a hearing device
WO2008097222A3 (en) System and method for video-processing algorithm improvement
WO2009051404A3 (en) A method and an apparatus for processing a signal
WO2008110987A3 (en) A data processing system for clipping correction
WO2006073800A3 (en) Method and apparatus for proximate cmos pixels
WO2006066969A3 (en) Sugarcane plants with an increased storage carbohydrate content
TWI268703B (en) Photographing apparatus and compensating method used in the photographing apparatus
WO2009016901A1 (ja) 信号処理装置及び方法、並びにプログラム
TW200746842A (en) Apparatus for processing media signal and method thereof

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880003598.2

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2008790629

Country of ref document: EP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08790629

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 1020097009982

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 12524992

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE