JP4475323B2 - 楽音発生装置、及びプログラム - Google Patents

楽音発生装置、及びプログラム Download PDF

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Publication number
JP4475323B2
JP4475323B2 JP2007323824A JP2007323824A JP4475323B2 JP 4475323 B2 JP4475323 B2 JP 4475323B2 JP 2007323824 A JP2007323824 A JP 2007323824A JP 2007323824 A JP2007323824 A JP 2007323824A JP 4475323 B2 JP4475323 B2 JP 4475323B2
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Japan
Prior art keywords
tone
waveform data
musical
data
storage means
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JP2007323824A
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English (en)
Japanese (ja)
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JP2009145696A5 (enExample
JP2009145696A (ja
Inventor
広 岩瀬
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.)
Casio Computer Co Ltd
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Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP2007323824A priority Critical patent/JP4475323B2/ja
Priority to US12/330,705 priority patent/US8008569B2/en
Priority to EP08021451.3A priority patent/EP2071560B1/en
Priority to CN2008101772808A priority patent/CN101458924B/zh
Publication of JP2009145696A publication Critical patent/JP2009145696A/ja
Publication of JP2009145696A5 publication Critical patent/JP2009145696A5/ja
Application granted granted Critical
Publication of JP4475323B2 publication Critical patent/JP4475323B2/ja
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    • 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
    • G10H1/14—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour during execution
    • 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/18—Selecting circuits
    • G10H1/22—Selecting circuits for suppressing tones; Preference networks
    • 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
    • G10H7/002—Instruments in which the tones are synthesised from a data store, e.g. computer organs using a common processing for different operations or calculations, and a set of microinstructions (programme) to control the sequence thereof
    • G10H7/006—Instruments in which the tones are synthesised from a data store, e.g. computer organs using a common processing for different operations or calculations, and a set of microinstructions (programme) to control the sequence thereof using two or more algorithms of different types to generate tones, e.g. according to tone color or to processor workload
    • 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
    • G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
    • G10H2230/025—Computing or signal processing architecture features
    • G10H2230/041—Processor load management, i.e. adaptation or optimization of computational load or data throughput in computationally intensive musical processes to avoid overload artifacts, e.g. by deliberately suppressing less audible or less relevant tones or decreasing their complexity
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/635—Waveform resolution or sound quality selection, e.g. selection of high or low sampling rates, lossless, lossy or lossier compression algorithms

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
JP2007323824A 2007-12-14 2007-12-14 楽音発生装置、及びプログラム Active JP4475323B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007323824A JP4475323B2 (ja) 2007-12-14 2007-12-14 楽音発生装置、及びプログラム
US12/330,705 US8008569B2 (en) 2007-12-14 2008-12-09 Musical sound generating device and storage medium storing musical sound generation processing program
EP08021451.3A EP2071560B1 (en) 2007-12-14 2008-12-10 Musical sound generating device and storage medium storing musical sound generation processing program
CN2008101772808A CN101458924B (zh) 2007-12-14 2008-12-11 乐音产生装置及存储有乐音产生处理程序的存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007323824A JP4475323B2 (ja) 2007-12-14 2007-12-14 楽音発生装置、及びプログラム

Publications (3)

Publication Number Publication Date
JP2009145696A JP2009145696A (ja) 2009-07-02
JP2009145696A5 JP2009145696A5 (enExample) 2009-10-22
JP4475323B2 true JP4475323B2 (ja) 2010-06-09

Family

ID=40445648

Family Applications (1)

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JP2007323824A Active JP4475323B2 (ja) 2007-12-14 2007-12-14 楽音発生装置、及びプログラム

Country Status (4)

Country Link
US (1) US8008569B2 (enExample)
EP (1) EP2071560B1 (enExample)
JP (1) JP4475323B2 (enExample)
CN (1) CN101458924B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4475323B2 (ja) * 2007-12-14 2010-06-09 カシオ計算機株式会社 楽音発生装置、及びプログラム
JP2014238550A (ja) * 2013-06-10 2014-12-18 カシオ計算機株式会社 楽音発生装置、楽音発生方法及びプログラム
JP6455189B2 (ja) * 2015-02-02 2019-01-23 カシオ計算機株式会社 波形読み込み装置、方法、プログラム、および電子楽器
JP6540057B2 (ja) * 2015-02-02 2019-07-10 カシオ計算機株式会社 波形読み込み装置、方法、プログラム、および電子楽器
JP6606839B2 (ja) * 2015-03-20 2019-11-20 カシオ計算機株式会社 波形書き込み装置、方法、プログラム、および電子楽器
JP6388048B1 (ja) * 2017-03-23 2018-09-12 カシオ計算機株式会社 楽音生成装置、楽音生成方法、楽音生成プログラム及び電子楽器
JP6443772B2 (ja) 2017-03-23 2018-12-26 カシオ計算機株式会社 楽音生成装置、楽音生成方法、楽音生成プログラム及び電子楽器
JP7124371B2 (ja) * 2018-03-22 2022-08-24 カシオ計算機株式会社 電子楽器、方法及びプログラム

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US4649783A (en) * 1983-02-02 1987-03-17 The Board Of Trustees Of The Leland Stanford Junior University Wavetable-modification instrument and method for generating musical sound
JPH0631957B2 (ja) * 1987-02-06 1994-04-27 ヤマハ株式会社 電子楽器
US4898059A (en) * 1987-02-06 1990-02-06 Yamaha Corporation Electronic musical instrument which compares amount of data recorded in internal memory device with storage capacity of external memory device and selectively transfers data thereto
US5086475A (en) * 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
US5446237A (en) * 1992-01-08 1995-08-29 Yamaha Corporation Electronic musical instrument having a control section memory for generating musical tone parameters
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US5717154A (en) * 1996-03-25 1998-02-10 Advanced Micro Devices, Inc. Computer system and method for performing wavetable music synthesis which stores wavetable data in system memory employing a high priority I/O bus request mechanism for improved audio fidelity
US5689080A (en) * 1996-03-25 1997-11-18 Advanced Micro Devices, Inc. Computer system and method for performing wavetable music synthesis which stores wavetable data in system memory which minimizes audio infidelity due to wavetable data access latency
US5809342A (en) * 1996-03-25 1998-09-15 Advanced Micro Devices, Inc. Computer system and method for generating delay-based audio effects in a wavetable music synthesizer which stores wavetable data in system memory
US5763801A (en) * 1996-03-25 1998-06-09 Advanced Micro Devices, Inc. Computer system and method for performing wavetable music synthesis which stores wavetable data in system memory
EP0827133B1 (en) 1996-08-30 2001-04-11 Yamaha Corporation Method and apparatus for generating musical tones, processing and reproducing music data using storage means
US6138224A (en) * 1997-04-04 2000-10-24 International Business Machines Corporation Method for paging software wavetable synthesis samples
US5920843A (en) * 1997-06-23 1999-07-06 Mircrosoft Corporation Signal parameter track time slice control point, step duration, and staircase delta determination, for synthesizing audio by plural functional components
JP3991458B2 (ja) * 1998-07-31 2007-10-17 ヤマハ株式会社 楽音データ処理装置およびコンピュータシステム
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JPH11288285A (ja) 1999-01-29 1999-10-19 Yamaha Corp 楽音発生方法及び装置
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JP3846376B2 (ja) * 2002-07-10 2006-11-15 ヤマハ株式会社 自動演奏装置、自動演奏プログラム、および自動演奏データ記録媒体
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JP4438766B2 (ja) 2006-03-30 2010-03-24 カシオ計算機株式会社 楽音発生装置、及びプログラム
JP4475323B2 (ja) * 2007-12-14 2010-06-09 カシオ計算機株式会社 楽音発生装置、及びプログラム

Also Published As

Publication number Publication date
EP2071560B1 (en) 2017-01-25
EP2071560A1 (en) 2009-06-17
CN101458924B (zh) 2012-03-21
US20090151543A1 (en) 2009-06-18
CN101458924A (zh) 2009-06-17
JP2009145696A (ja) 2009-07-02
US8008569B2 (en) 2011-08-30

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