EP0169659A2
Expired / Lapsed
EP
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Sound generator for electronic musical instrument
Assignee: Panasonic Holdings Corp
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Filing: 1985-06-19
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Granted: —
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Expires: 2005-06-19
Abstract
Abstract A sound generator for an electronic musical instrument is arranged to produce sounds from their generation to diminition by converting into digital signals, kept memorized in memories as they are, or as wave form data which are obtained by a certain kind of information condensation process. One of those complex number of wave form data is selected to be reproduced responding to initial touch information or to the initial touch information and pitch information, or otherwise the amplitude associated with the wave form data reproduction is so arranged as to be modified responding to the initial touch information or the initial touch information and pitch information besides the selective reproduction. The sound generator is provided not only with adequate capability of sound timbre and loudness variation responding to the strength and/or speed of depression of a key, but also with function of touch response favoured with excellent naturalism in the generated sound.
Inventors
- 👤 Masataka Nikaido
- 👤 Sakurako Matsuda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
G; G10; G10H; G10H7/00; G10H7/02
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
85 words
A sound generator for electronic musical instrument, comprising: memory mens, for storing a plurality of wave form data combinations each of which is used for generation of a single tone; selection means which can select one of the plurality of wave form data combinations in response to touch information which is obtained by detecting a keying speed or strength, or to the touch information and pitch information; and loudness control means which can control loudness level of generated tone in response to the touch information.
Claim 2
Dependent Claim
85 words
A sound generator for electronic musical instrument, comprising: memory mens, for storing a plurality of wave form data combinations each of which is used for generation of a single tone; selection means which can select one of the plurality of wave form data combinations in response to touch information which is obtained by detecting a keying speed or strength, or to the touch information and pitch information; and loudness control means which can control loudness level of generated tone in response to the touch information.
Claim 3
Dependent Claim
32 words
The sound generation according to claim 1, wherein said selection means includes wave data specifying means which generates wave form data specifying information for specifying one of the wave form data combinations.
Claim 4
Dependent Claim
42 words
The sound generator according to claim 2, wherein said loudness control means includes loudness information generation means which generates loudness information specifying the loudness level of the generated tone from the touch information, or from the touch information and the pitch information.
Claim 5
Dependent Claim
54 words
The sound generator according to claim 3, wherein each of said wave form data combinations is obtained by digital conversion of partial or total continuum from generation to diminution of a mono tone among a plurality of tones generated by a natural musical instrument played in different loudness at a plurality of selected pitches.
Claim 6
Dependent Claim
56 words
The sound generator according to claim 4, wherein in each of maximum value of amplitude in digital form is normalized to be substantially a maximum value which can be form is normalized to be substantially a maximum value which expressed by a bit width of digital word of each data in the wave form data combinations.
Claim 7
Dependent Claim
54 words
The sound generator according to claim 2, where in each of said wave form data combinations is obtained by digital conversion of partial or total continuum from generation to diminution of a mono tone a plurality of tones generated by a natural musical instrument played in different loudness at a plurality of selected pitches.
Claim 8
Dependent Claim
51 words
The sound generator according to claim 6, wherein in each of said wave form data combinations maximum value of amplitude in digital form is normalized to be substantially a maximum value which car be expressed by a bit width of digital word of each data in the wave form data combinations.
Claim 9
Dependent Claim
54 words
The sound generator according to claim 1, wherein each of said wave form data combinations is obtained by digital conversion of partial or total continuum, from generation tc diminution of a mono tone among a plurality of tones generated by a natural musical instrument played in different loudness at a plurality of selected pitches.
Claim 10
Dependent Claim
51 words
The sound generator according to claim 8, wherein in each of said wave form data combinations maximum value of amplitude in digital form is normalized to be substantially a maximum value which can be expressed by a bit width of digital word of each data in the wave form data combinations.
Claim 11
Dependent Claim
80 words
A sound generator for electronic musical instrument, comprising: memory means for storing a plurality of wave form data combinations each of which is utilized for generation of a mono tone; and wave form and loudness specifying means which generates wave form data specifying information which specifies particular one of the plurality of wave form data combinations and loudness inforamtion which specifies the loudness of generated tones, in response to keying speed or strength or to touch inforamtion and loudness information.
Claim 12
Dependent Claim
80 words
A sound generator for electronic musical instrument, comprising: memory means for storing a plurality of wave form data combinations each of which is utilized for generation of a mono tone; and wave form and loudness specifying means which generates wave form data specifying information which specifies particular one of the plurality of wave form data combinations and loudness inforamtion which specifies the loudness of generated tones, in response to keying speed or strength or to touch inforamtion and loudness information.
Claim 13
Dependent Claim
55 words
ll. The sound generator according tc claim 10, wherein each of said wave form data combinations is obtained by digital conversion of partial or total ccnti- nuum from generation to diminution of a mono tone among a plurality of tones generated by natural musical instrument played in different loudness at a plurality of selected pitches.
Claim 14
Dependent Claim
51 words
The sound generator according go claim 11, wherein in each of said wave form data combinations maximum value of amplitude in digital form in normalized to be substantially a maximum value which can be expressed by a bit width of digital work of each data in the wave form data combinations.
Claim 15
Dependent Claim
18 words
The sound generator according to claim 11, wherein said wave form and loudness specifying means comprises a ROM.
Claim 16
Dependent Claim
50 words
The sound generator according to claim 13, wherein in each of said wave form combinations maximum value of amplitude in digital form is normalized to be substantially a maximum value which can be expressed by a bit width of digital word of each data in the wave form data combinations.
Claim 17
Dependent Claim
18 words
The sound generator according to claim 10, wherein said wave form and loudness specifying means comprises a ROM.
Claim 18
Dependent Claim
51 words
The sound generator according to claim 15, wherein in each of said wave form data combinations maximum value of amplitude in digital form is normalized to be substantially a maximum value which car be expressed by a bit width of digital word of each data in the wave form data combinations.
Claim 19
Dependent Claim
47 words
A scund generator for electronic musical instrument, comprising: first conversion means generating second touch information by converting first touch information which is obtained by detecting keying speed or strength; and control means responsive to said second touch information for controlling timbre and loudness of a generated tone.
Claim 20
Dependent Claim
47 words
A scund generator for electronic musical instrument, comprising: first conversion means generating second touch information by converting first touch information which is obtained by detecting keying speed or strength; and control means responsive to said second touch information for controlling timbre and loudness of a generated tone.
Claim 21
Dependent Claim
42 words
18 . The sound generator accoridng to claim 17, further comprising second conversion means generating, by converting the second touch infornation, first specifying information which specifies timbre of a generated tone and second specifying information which specifies Icudness of the generated tone.
Claim 22
Dependent Claim
31 words
The sound generator according to claim 17, further comprising selection means which selects a conversion characteristic of said conversion means for converting the first touch information to the second touch information.
Claim 23
Dependent Claim
165 words
A sound generator for electronic musical instrument, comprising: ways form data memory means for stering a plurality of wave form data which are obtained directly or through an information condensation by digital conversion of partial or total continuum from generation to diminution of a mono tone among a plurality of in different loudness at a plurality of selected pitches; conversion means which converts first touch information obtained by detecting keying speed or strength into second touch information; wave form specifying means generating a wave form data specifying information for specifying selectively one of the plurality of wave form data stored in said wave form data memory means in response to said second touch information cr said second touch information and pitch information; loudness information generation means which generates loudness information for controlling amplitude of each of the wave form data which is specified by said wave form data specifying means from said second touch information or both of said second touch information and pitch information
Claim 24
Dependent Claim
165 words
A sound generator for electronic musical instrument, comprising: ways form data memory means for stering a plurality of wave form data which are obtained directly or through an information condensation by digital conversion of partial or total continuum from generation to diminution of a mono tone among a plurality of in different loudness at a plurality of selected pitches; conversion means which converts first touch information obtained by detecting keying speed or strength into second touch information; wave form specifying means generating a wave form data specifying information for specifying selectively one of the plurality of wave form data stored in said wave form data memory means in response to said second touch information cr said second touch information and pitch information; loudness information generation means which generates loudness information for controlling amplitude of each of the wave form data which is specified by said wave form data specifying means from said second touch information or both of said second touch information and pitch information
Claim 25
Dependent Claim
16 words
The sound generation according to claim 20, wherein said conversion means comprises a read only memory.
Claim 26
Dependent Claim
49 words
The sound generator according to claim 21, wherein in each of said wave form data maximum value of amplitude in digital form is normalized to be subtantially a maximum value which can be expressed by a bit width of digital word of each data of said wave form data.
Claim 27
Dependent Claim
48 words
The sound generator according to claim 20, wherein in each of said wave form data maximum value of amplitude in digital form is normalized to be a maximum value which can be expressed by a bit width of digital word of each data of said wave form data.
Claim 28
Dependent Claim
31 words
The sound generator according tc claim 20, futher comprising selection means for selecting a conversion characteristics of said conversion means for converting the first touch information to the second touch information.
Claim 29
Dependent Claim
47 words
The sound generator according to claim 24, wherein in each of said wave data maximum value of amplitude in digital form is normalized to be a maximum value which can be expressed by a bit width of digital word of each data of said wave form data.
Claim 30
Dependent Claim
146 words
A sound generator for electronic musical instrument, comprising: wave form data memory means for storing a plurality cf wave form data which are obtained directly or through an information condensation by digital conversion of partial or total continuum from generation to diminution of a mone tone among a plurality of tones generated by a natural musical instrument played in different loudness at a plurality of selected pitches; first conversion means generating second touch information by converting first touch information which is obtained by detecting a keying speed or strength; and Second conversion means which generates wave form data specifying information for specifying selectively one of the plurality of wave form data stored in said wave form data memory means and loudness information for specifying icudness level of a generated musical tone, from said second touch information or both of said second touch inforamtion and pitch information.
Claim 31
Dependent Claim
146 words
A sound generator for electronic musical instrument, comprising: wave form data memory means for storing a plurality cf wave form data which are obtained directly or through an information condensation by digital conversion of partial or total continuum from generation to diminution of a mone tone among a plurality of tones generated by a natural musical instrument played in different loudness at a plurality of selected pitches; first conversion means generating second touch information by converting first touch information which is obtained by detecting a keying speed or strength; and Second conversion means which generates wave form data specifying information for specifying selectively one of the plurality of wave form data stored in said wave form data memory means and loudness information for specifying icudness level of a generated musical tone, from said second touch information or both of said second touch inforamtion and pitch information.
Claim 32
Dependent Claim
17 words
The sound generator according to claim 26, wherein said second conversion means comprises a read only memory.
Claim 33
Dependent Claim
49 words
The sound generator according to claim 27, wherein in each of said wave form data maximum value of amplitude in digital form is normalized to be substantially a maximum value which can be expressed by a bit width of digital word of each data of said wave form data.
Claim 34
Dependent Claim
49 words
The sound generator according to claim 26, wherein in each of said wave form data maximum value of amplitude in digital form is normalized to be substantially a maximum value which can be expressed by a bid width of digital word of each data of said wave form data.
References Cited (Backward Citations)
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