HK1013349A1 - Musical tone waveform generation apparatus - Google Patents

Musical tone waveform generation apparatus

Info

Publication number
HK1013349A1
HK1013349A1 HK98114681A HK98114681A HK1013349A1 HK 1013349 A1 HK1013349 A1 HK 1013349A1 HK 98114681 A HK98114681 A HK 98114681A HK 98114681 A HK98114681 A HK 98114681A HK 1013349 A1 HK1013349 A1 HK 1013349A1
Authority
HK
Hong Kong
Prior art keywords
generation apparatus
musical tone
waveform generation
tone waveform
musical
Prior art date
Application number
HK98114681A
Inventor
Ryuji Usami
Kosuke Shiba
Koichiro Daigo
Kazuo Ogura
Jun Hosoda
Original Assignee
Casio Comp Company 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 JP2171215A external-priority patent/JP2869573B2/en
Priority claimed from JP2172200A external-priority patent/JP2869574B2/en
Application filed by Casio Comp Company Ltd filed Critical Casio Comp Company Ltd
Publication of HK1013349A1 publication Critical patent/HK1013349A1/en

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
    • 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
    • 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
    • G10H1/18—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
    • G10H2250/621—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)
HK98114681A 1990-06-28 1998-12-22 Musical tone waveform generation apparatus HK1013349A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2171215A JP2869573B2 (en) 1990-06-28 1990-06-28 Musical sound wave generator
JP2172200A JP2869574B2 (en) 1990-06-29 1990-06-29 Musical sound wave generator

Publications (1)

Publication Number Publication Date
HK1013349A1 true HK1013349A1 (en) 1999-08-20

Family

ID=26494010

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98114681A HK1013349A1 (en) 1990-06-28 1998-12-22 Musical tone waveform generation apparatus

Country Status (4)

Country Link
EP (1) EP0463411B1 (en)
KR (1) KR950000841B1 (en)
DE (1) DE69130748T2 (en)
HK (1) HK1013349A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW281745B (en) * 1994-03-31 1996-07-21 Yamaha Corp
TW279219B (en) * 1994-03-31 1996-06-21 Yamaha Corp
DE69517896T2 (en) * 1994-09-13 2001-03-15 Yamaha Corp Electronic musical instrument and device for adding sound effects to the sound signal
JP3358324B2 (en) * 1994-09-13 2002-12-16 ヤマハ株式会社 Electronic musical instrument
US6047073A (en) * 1994-11-02 2000-04-04 Advanced Micro Devices, Inc. Digital wavetable audio synthesizer with delay-based effects processing
US6246774B1 (en) 1994-11-02 2001-06-12 Advanced Micro Devices, Inc. Wavetable audio synthesizer with multiple volume components and two modes of stereo positioning
US5668338A (en) * 1994-11-02 1997-09-16 Advanced Micro Devices, Inc. Wavetable audio synthesizer with low frequency oscillators for tremolo and vibrato effects
US6272465B1 (en) 1994-11-02 2001-08-07 Legerity, Inc. Monolithic PC audio circuit
US5742695A (en) * 1994-11-02 1998-04-21 Advanced Micro Devices, Inc. Wavetable audio synthesizer with waveform volume control for eliminating zipper noise
JPH08160959A (en) * 1994-12-02 1996-06-21 Sony Corp Sound source control unit
EP0801784A1 (en) * 1994-12-12 1997-10-22 Advanced Micro Devices, Inc. Pc audio system with wavetable cache
US5753841A (en) * 1995-08-17 1998-05-19 Advanced Micro Devices, Inc. PC audio system with wavetable cache
US5847304A (en) * 1995-08-17 1998-12-08 Advanced Micro Devices, Inc. PC audio system with frequency compensated wavetable data
US5959231A (en) * 1995-09-12 1999-09-28 Yamaha Corporation Electronic musical instrument and signal processor having a tonal effect imparting function
EP1011091B1 (en) 1995-09-29 2004-04-28 Yamaha Corporation Musical tone-generating method and musical tone-generating apparatus
CN1232945C (en) 2000-04-03 2005-12-21 雅马哈株式会社 Portable appliance, power saving method and sound volume compensating method, and storage medium
CN113112971B (en) * 2021-03-30 2022-08-05 上海锣钹信息科技有限公司 Midi defective sound playing method

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
JPS5567799A (en) * 1978-11-16 1980-05-22 Nippon Musical Instruments Mfg Electronic musical instrument
JPS58211789A (en) * 1982-06-04 1983-12-09 ヤマハ株式会社 Electronic musical instrument
US4862784A (en) * 1988-01-14 1989-09-05 Yamaha Corporation Electronic musical instrument

Also Published As

Publication number Publication date
EP0463411A2 (en) 1992-01-02
EP0463411A3 (en) 1993-09-22
EP0463411B1 (en) 1999-01-13
DE69130748D1 (en) 1999-02-25
DE69130748T2 (en) 1999-09-30
KR920001424A (en) 1992-01-30
KR950000841B1 (en) 1995-02-02

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080604