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US5481065A
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Electronic musical instrument having pre-assigned microprogram controlled sound production channels
Assignee: Yamaha Corp
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Filing: 1995-04-10
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Granted: 1996-01-02
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Expires: 2015-04-10
Abstract
Abstract An electronic musical instrument of the present invention provides a tone generator which includes an exciter generating an excitation signal and a sound producer having an input apparatus which produces a musical tone signal in response to the excitation signal. The-tone generator delays the musical tone signal and feeds the musical tone signal back to the input apparatus. Furthermore, the electronic musical instrument provides a memory which stores a plurality of sound production algorithms and an assignment designating apparatus which designates one of the plurality of sound production algorithms and assigns the designated sound production algorithm to the musical tone generator. Moreover, the tone generator further includes the operation apparatus which performs the assigned sound production algorithm on the musical tone signal. In addition, the electronic musical instrument provides the extractor which extracts the musical tone signal.
Inventors
- 👤 Hideo Yamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:00
CPC Classifications
G; G10; G10H; G10H7/00; G10H1/00; G10H1/18; G10H1/24; G10H5/00; G10H5/007; G10H7/002; G10H7/006
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
147 words
An electronic musical instrument comprising: plural channel tone generating means generating musical tones by executing given programs sequentially in which at least some of the channels comprise an excitation means for generating an excitation signal and sound producing means having input means for producing a musical tone signal in response to said excitation signal, delaying said musical tone signal and feeding said musical tone signal back to said input means; memory means for storing a plurality of said programs for realizing sound production algorithms, the algorithms for use in the tone generating means; designating means for designating which of said plurality of sound production algorithms is to be used by a respective one of said plural channels; and assignment means for retrieving a designated sound production algorithm from the memory means and transferring said designated sound production algorithm to said respective channel for storage in the channel.
Claim 2
Dependent Claim
147 words
An electronic musical instrument comprising: plural channel tone generating means generating musical tones by executing given programs sequentially in which at least some of the channels comprise an excitation means for generating an excitation signal and sound producing means having input means for producing a musical tone signal in response to said excitation signal, delaying said musical tone signal and feeding said musical tone signal back to said input means; memory means for storing a plurality of said programs for realizing sound production algorithms, the algorithms for use in the tone generating means; designating means for designating which of said plurality of sound production algorithms is to be used by a respective one of said plural channels; and assignment means for retrieving a designated sound production algorithm from the memory means and transferring said designated sound production algorithm to said respective channel for storage in the channel.
Claim 3
Dependent Claim
35 words
An electronic musical instrument according to claim 1 wherein each of said plurality of sound production algorithms imparts a characteristic of a musical sound to a musical tone signal produced in each of the channels.
Claim 4
Dependent Claim
18 words
An electronic musical instrument according to claim 1 wherein each of said channels includes a digital signal processor.
Claim 5
Dependent Claim
42 words
An electronic musical instrument according to claim 1 wherein each channel includes: a data processing apparatus; and an associated memory storage area wherein the algorithm program assigned to each respective channel is stored in the associated memory storage area for that channel.
Claim 6
Dependent Claim
29 words
An electronic musical instrument according to claim 1 wherein the number of sound production algorithms stored in the memory means is greater than the number of sound production channels.
Claim 7
Dependent Claim
110 words
A musical tone processing apparatus comprising: a plurality of tone generating means each including a plurality of sound production channels for generating a musical tone generated by executing a sound production program sequentially; tone color designating means for designating tone colors of musical tones; sound production channel designating means for designating at least one sound production channel to produce each tone color designated by the tone color designating means; and sound production program supplying means for supplying sound production programs to the sound production channels designated by the sound production channel designating means wherein each program supplied corresponds the tone color to be produced by the sound production channel designated.
Claim 8
Dependent Claim
110 words
A musical tone processing apparatus comprising: a plurality of tone generating means each including a plurality of sound production channels for generating a musical tone generated by executing a sound production program sequentially; tone color designating means for designating tone colors of musical tones; sound production channel designating means for designating at least one sound production channel to produce each tone color designated by the tone color designating means; and sound production program supplying means for supplying sound production programs to the sound production channels designated by the sound production channel designating means wherein each program supplied corresponds the tone color to be produced by the sound production channel designated.
Claim 9
Dependent Claim
19 words
A musical tone processing apparatus according to claim 6 wherein the sound production programs comprise machine readable computer code.
Claim 10
Dependent Claim
19 words
A musical tone processing apparatus according to claim 6 wherein the tone generating means comprises a digital signal processor.
Claim 11
Dependent Claim
34 words
A musical tone processing apparatus according to claim 6 wherein: the tone generating means further comprises a plurality of MIDI channels wherein each MIDI channel comprises at least one of the sound production channels.
Claim 12
Dependent Claim
52 words
A musical tone processing apparatus according to claim 9 wherein: the sound production channel designating means designates at least one MIDI channel to produce a tone color designated by the tone color designating means wherein at least one sound production channels in each designated MIDI channel is for producing the designated tone.
Claim 13
Dependent Claim
39 words
A musical tone processing apparatus according to claim 10 wherein: the sound production program supplying means is for supplying a respective sound production program corresponding to the designated tone color to each sound production channel in each MIDI channel.
Claim 14
Dependent Claim
76 words
A musical tone processing apparatus according to claim 6 further comprising: sound production designating means for designating the generation of a musical tone by at least one sound production channel wherein the musical tone generated has the tone color designated for each respective sound production channel; and controlling means for controlling the respective sound production channel for each sound production channel for which generation of a musical tone is designated by the sound production designating means.
Claim 15
Dependent Claim
43 words
An electronic musical instrument according to claim 6 wherein each sound production channel includes: a data processing apparatus; and an associated memory storage area wherein the program assigned to each respective channel is stored in the associated memory storage area for that channel.
Claim 16
Dependent Claim
31 words
An electronic musical instrument according to claim 13 further comprising a random access memory area including plural memory storage areas including the memory storage areas associated with each sound production channel.
Claim 17
Independent Claim
89 words
A method for processing a musical tone comprising: storing a plurality of sound production algorithms in a memory for synthesizing a designated musical tone by being executed sequentially; designating a sound production algorithm to be provided to a sound production channel; retrieving the sound production algorithm designated in the designating step from the memory; providing the designated sound production algorithm designated in the designating a sound production algorithm step to the respective sound production channel wherein the algorithm is stored in a memory assigned to the sound production channel.
Claim 18
Independent Claim
89 words
A method for processing a musical tone comprising: storing a plurality of sound production algorithms in a memory for synthesizing a designated musical tone by being executed sequentially; designating a sound production algorithm to be provided to a sound production channel; retrieving the sound production algorithm designated in the designating step from the memory; providing the designated sound production algorithm designated in the designating a sound production algorithm step to the respective sound production channel wherein the algorithm is stored in a memory assigned to the sound production channel.
Claim 19
Dependent Claim
51 words
A method for processing a musical tone according to claim 15 further comprising before: designating a tone color before the designating a sound production algorithm step; and designating at least one sound production channel to produce the tone color designated in the designating a tone color step before the assigning step.
Claim 20
Dependent Claim
50 words
A method for processing a musical tone according to claim 15 wherein: the method is performed in an apparatus comprising a plurality of sound production channels; and the number of sound production algorithms stored in the memory in the storing step is greater than the number of sound production channels.
References Cited (Backward Citations)
US4387617A
Cited
US4554857A
Cited
JPS60100199A
Cited
US5040448A
Cited
US4862784A
Cited
US5054359A
Cited
EP0376342A2
Cited
US5056402A
Cited
EP0397149A2
Cited
US5380950A
Cited
US5340938A
Cited
US5054360A
Cited
US5220117A
Cited
US5276272A
Cited
US5345035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-01 | 1999-07-03 | 2000-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-01 | 2003-07-03 | 2004-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-01 | 2007-07-03 | 2008-01-02 | $7700.00 | Window Closed / Lapsed |