DE69130688D1 - Device for generating music waveforms - Google Patents

Device for generating music waveforms

Info

Publication number
DE69130688D1
DE69130688D1 DE69130688T DE69130688T DE69130688D1 DE 69130688 D1 DE69130688 D1 DE 69130688D1 DE 69130688 T DE69130688 T DE 69130688T DE 69130688 T DE69130688 T DE 69130688T DE 69130688 D1 DE69130688 D1 DE 69130688D1
Authority
DE
Germany
Prior art keywords
generating music
music waveforms
waveforms
generating
music
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 - Fee Related
Application number
DE69130688T
Other languages
German (de)
Other versions
DE69130688T2 (en
Inventor
Ryuji Usami
Kosuke Shiba
Koichiro Daigo
Kazuo Ogura
Jun Hosoda
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
Original Assignee
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
Priority claimed from JP2171217A external-priority patent/JP3035991B2/en
Priority claimed from JP2171216A external-priority patent/JP3010693B2/en
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of DE69130688D1 publication Critical patent/DE69130688D1/en
Application granted granted Critical
Publication of DE69130688T2 publication Critical patent/DE69130688T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10H7/002—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
    • G10H7/004—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 with one or more auxiliary processor in addition to the main processing unit
    • 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
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • 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
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • 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
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/057—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits
    • G10H1/0575—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits using a data store from which the envelope is synthesized
    • 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
    • G10H1/183—Channel-assigning means for polyphonic instruments
    • G10H1/185—Channel-assigning means for polyphonic instruments associated with key multiplexing
    • G10H1/186—Microprocessor-controlled keyboard and assigning means
    • 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
    • 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
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/591—DPCM [delta pulse code modulation]
    • 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
    • G10H2250/621—Waveform interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrophonic Musical Instruments (AREA)
DE69130688T 1990-06-28 1991-06-04 Device for generating music waveforms Expired - Fee Related DE69130688T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2171217A JP3035991B2 (en) 1990-06-28 1990-06-28 Musical sound wave generator
JP2171216A JP3010693B2 (en) 1990-06-28 1990-06-28 Musical sound wave generator

Publications (2)

Publication Number Publication Date
DE69130688D1 true DE69130688D1 (en) 1999-02-11
DE69130688T2 DE69130688T2 (en) 1999-09-09

Family

ID=26494012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130688T Expired - Fee Related DE69130688T2 (en) 1990-06-28 1991-06-04 Device for generating music waveforms

Country Status (3)

Country Link
EP (1) EP0463409B1 (en)
KR (1) KR950006029B1 (en)
DE (1) DE69130688T2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0702348B1 (en) * 1994-09-13 2000-07-12 Yamaha Corporation Electronic musical instrument and signal processor having a tonal effect imparting function
EP0730260B1 (en) * 1995-03-03 2001-09-19 Yamaha Corporation Computerized music apparatus with sound emulation
JP3267106B2 (en) * 1995-07-05 2002-03-18 ヤマハ株式会社 Musical tone waveform generation method
JP3975593B2 (en) 1999-01-21 2007-09-12 株式会社ソニー・コンピュータエンタテインメント Method for generating playback sound, electronic device for generating playback sound, and entertainment system
CN106155940A (en) * 2015-04-17 2016-11-23 扬智科技股份有限公司 The System on Chip/SoC of code and the code protection method of System on Chip/SoC can be protected

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5375919A (en) * 1976-12-17 1978-07-05 Nippon Gakki Seizo Kk Electronic instrument
JPS58211789A (en) * 1982-06-04 1983-12-09 ヤマハ株式会社 Electronic musical instrument
JP2699278B2 (en) * 1987-10-14 1998-01-19 カシオ計算機株式会社 Tone generator
DE68917113T2 (en) * 1988-12-29 1995-03-16 Casio Computer Co Ltd Data processing device for an electronic musical instrument.

Also Published As

Publication number Publication date
EP0463409B1 (en) 1998-12-30
EP0463409A3 (en) 1993-09-22
EP0463409A2 (en) 1992-01-02
KR950006029B1 (en) 1995-06-07
KR920001423A (en) 1992-01-30
DE69130688T2 (en) 1999-09-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee