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DE60026189D1 - Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung - Google Patents

Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung

Info

Publication number
DE60026189D1
DE60026189D1 DE60026189T DE60026189T DE60026189D1 DE 60026189 D1 DE60026189 D1 DE 60026189D1 DE 60026189 T DE60026189 T DE 60026189T DE 60026189 T DE60026189 T DE 60026189T DE 60026189 D1 DE60026189 D1 DE 60026189D1
Authority
DE
Germany
Prior art keywords
generation
waveform compression
waveform
compression
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.)
Expired - Lifetime
Application number
DE60026189T
Other languages
English (en)
Other versions
DE60026189T2 (de
Inventor
Hideo Suzuki
Masao Sakama
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.)
Yamaha Corp
Original Assignee
Yamaha 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
Priority claimed from JP11082649A external-priority patent/JP2000276194A/ja
Priority claimed from JP08497299A external-priority patent/JP3744247B2/ja
Priority claimed from JP08497199A external-priority patent/JP3788096B2/ja
Application filed by Yamaha Corp filed Critical Yamaha Corp
Publication of DE60026189D1 publication Critical patent/DE60026189D1/de
Application granted granted Critical
Publication of DE60026189T2 publication Critical patent/DE60026189T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
    • G10H7/10—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients
    • G10H7/105—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients using Fourier coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/035—Crossfade, i.e. time domain amplitude envelope control of the transition between musical sounds or melodies, obtained for musical purposes, e.g. for ADSR tone generation, articulations, medley, remix
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/235—Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
DE60026189T 1999-03-25 2000-03-21 Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung Expired - Lifetime DE60026189T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8264999 1999-03-25
JP11082649A JP2000276194A (ja) 1999-03-25 1999-03-25 波形圧縮方法及び波形生成方法
JP08497299A JP3744247B2 (ja) 1999-03-26 1999-03-26 波形圧縮方法及び波形生成方法
JP8497299 1999-03-26
JP8497199 1999-03-26
JP08497199A JP3788096B2 (ja) 1999-03-26 1999-03-26 波形圧縮方法及び波形生成方法

Publications (2)

Publication Number Publication Date
DE60026189D1 true DE60026189D1 (de) 2006-04-27
DE60026189T2 DE60026189T2 (de) 2006-09-28

Family

ID=27303982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026189T Expired - Lifetime DE60026189T2 (de) 1999-03-25 2000-03-21 Verfahren und Vorrichtung zur Wellenformkomprimierung und Erzeugung

Country Status (3)

Country Link
US (1) US6584442B1 (de)
EP (1) EP1039442B1 (de)
DE (1) DE60026189T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3654079B2 (ja) * 1999-09-27 2005-06-02 ヤマハ株式会社 波形生成方法及び装置
DE60039262D1 (de) * 2000-05-17 2008-07-31 Symstream Technology Holdings Octave Pulse Data Kodierung- und Dekodierungsverfahren und Vorrichtung
EP1258864A3 (de) * 2001-03-27 2006-04-12 Yamaha Corporation Verfahren und Vorrichtung zur Erzeugung von Wellenformen
WO2003019527A1 (fr) 2001-08-31 2003-03-06 Kabushiki Kaisha Kenwood Procede et appareil de generation d'un signal affecte d'un pas et procede et appareil de compression/decompression et de synthese d'un signal vocal l'utilisant
EP1304680A3 (de) * 2001-09-13 2004-03-03 Yamaha Corporation Vorrichtung und Verfahren zur synchronisierten Synthesierung von verschiedenen Wellenformen
JP3975772B2 (ja) * 2002-02-19 2007-09-12 ヤマハ株式会社 波形生成装置及び方法
JP3829780B2 (ja) * 2002-08-22 2006-10-04 ヤマハ株式会社 奏法決定装置及びプログラム
US7470855B2 (en) * 2004-03-29 2008-12-30 Yamaha Corporation Tone control apparatus and method
JP4318119B2 (ja) * 2004-06-18 2009-08-19 国立大学法人京都大学 音響信号処理方法、音響信号処理装置、音響信号処理システム及びコンピュータプログラム
US8135362B2 (en) 2005-03-07 2012-03-13 Symstream Technology Holdings Pty Ltd Symbol stream virtual radio organism method and apparatus
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
US8325188B1 (en) * 2005-07-21 2012-12-04 Cadence Design Systems, Inc. Method and system for implementing a waveform viewer
PL3751570T3 (pl) 2009-01-28 2022-03-07 Dolby International Ab Ulepszona transpozycja harmonicznych
ES2639716T3 (es) * 2009-01-28 2017-10-30 Dolby International Ab Transposición armónica mejorada
KR101405022B1 (ko) 2009-09-18 2014-06-10 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 저장 매체
KR101074766B1 (ko) * 2009-10-28 2011-10-19 정영일 절대음감 학습 방법/장치, 전자악기 및 음원 처리 장치
CN111554311B (zh) * 2013-11-07 2023-05-12 瑞典爱立信有限公司 用于编码的矢量分段的方法和设备
US10140316B1 (en) * 2014-05-12 2018-11-27 Harold T. Fogg System and method for searching, writing, editing, and publishing waveform shape information
US11289070B2 (en) 2018-03-23 2022-03-29 Rankin Labs, Llc System and method for identifying a speaker's community of origin from a sound sample
US11341985B2 (en) * 2018-07-10 2022-05-24 Rankin Labs, Llc System and method for indexing sound fragments containing speech
US11699037B2 (en) 2020-03-09 2023-07-11 Rankin Labs, Llc Systems and methods for morpheme reflective engagement response for revision and transmission of a recording to a target individual

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888153A (en) * 1973-06-28 1975-06-10 Nippon Gakki Seiko Kk Anharmonic overtone generation in a computor organ
US4633749A (en) * 1984-01-12 1987-01-06 Nippon Gakki Seizo Kabushiki Kaisha Tone signal generation device for an electronic musical instrument
JPH0644713B2 (ja) * 1984-10-22 1994-06-08 ヤマハ株式会社 音記録方法
JPH04264597A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 音声符号化装置および音声復号装置
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US5974387A (en) * 1996-06-19 1999-10-26 Yamaha Corporation Audio recompression from higher rates for karaoke, video games, and other applications
JPH1020891A (ja) * 1996-07-09 1998-01-23 Sony Corp 音声符号化方法及び装置
US6263312B1 (en) * 1997-10-03 2001-07-17 Alaris, Inc. Audio compression and decompression employing subband decomposition of residual signal and distortion reduction
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding

Also Published As

Publication number Publication date
EP1039442A3 (de) 2003-08-20
EP1039442A2 (de) 2000-09-27
US6584442B1 (en) 2003-06-24
EP1039442B1 (de) 2006-03-01
DE60026189T2 (de) 2006-09-28

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