US5338892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical tone generation apparatus utilizing pitch dependent timing delay
Assignee: Yamaha Corp
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Filing: 1993-06-09
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Granted: 1994-08-16
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Expires: 2013-06-09
Abstract
Abstract An electronic musical tone generating apparatus includes a tone pitch designating unit for generating pitch signal representing tone pitch, a tone generation instruction unit for generating start signal instructing tone generation, a musical tone signal generating unit for generating a pair of musical tone signals representing a pair of direct sounds and a plurality of musical tone signals each representing a reflect sound in accordance with the start signal, wherein there can be difference of tone volume between respective musical tone signals of the pair of musical tone signals, and differences of tone volume and tone generation timing between respective musical tone signals of the plurality of musical tone signals, a controlling unit for controlling the difference of tone volume and the difference of tone generation timing in accordance with the pitch signal of the tone pitch designating unit, and a converting unit for converting the musical tone signals to musical sound.
Inventors
- 👤 Satoshi Sekine
- 👤 Junichi Fujimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:01
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0091; G10H1/02; G10H1/06; G10H2210/00; G10H2210/155; G10H2210/265; G10H2210/281; G10H2210/295; G10H2250/00; G10H2250/041; G10H2250/046; G10H2250/051; Y; Y10; Y10S; Y10S84/00; Y10S84/26; Y10S84/27
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
111 words
A musical tone generation apparatus comprising: (a) pitch designation means for designating a pitch, said pitch designation being divided into a plurality of pitch groups; (b) instruction means for instructing a timing shift of a second tone with respect to a first tone, the magnitude of the timing shift being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs); and (c) signal generation means for generating first and second musical tone signals having the designated pitch and having the timing shift instructed by said instruction means in correspondence with the designated pitch (or the pitch group to which the designated pitch belongs).
Claim 2
Dependent Claim
111 words
A musical tone generation apparatus comprising: (a) pitch designation means for designating a pitch, said pitch designation being divided into a plurality of pitch groups; (b) instruction means for instructing a timing shift of a second tone with respect to a first tone, the magnitude of the timing shift being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs); and (c) signal generation means for generating first and second musical tone signals having the designated pitch and having the timing shift instructed by said instruction means in correspondence with the designated pitch (or the pitch group to which the designated pitch belongs).
Claim 3
Dependent Claim
89 words
An apparatus according to claim 1, wherein said instruction means instructs a tone volume difference between the second tone and the first tone, the magnitude of the tone volume difference being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs), and wherein said signal generation means generates the first and second musical tone signals to have the volume difference instructed by said instruction means in correspondence with the designated pitch (or the pitch group to which the designated pitch belongs).
Claim 4
Dependent Claim
157 words
A musical tone generation apparatus comprising: (a) pitch designation means for designating a pitch, said pitch designation means being divided into a plurality of pitch groups; (b) tone generation means having first and second tone generation channels; (c) instruction means for instructing a timing shift and a tone volume difference between a second tone and a first tone, the magnitude of the timing shift and of the tone volume difference being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs); and (d) signal generation means for generating first and second musical tone signals having the designated pitch and having the timing shift and the tone volume difference instructed by said instruction means in correspondence with the designated pitch (or the pitch group to which the designated pitch belongs), wherein said tone generation means converts the musical tone signal into an acoustic wave in the corresponding tone generation channel.
Claim 5
Dependent Claim
157 words
A musical tone generation apparatus comprising: (a) pitch designation means for designating a pitch, said pitch designation means being divided into a plurality of pitch groups; (b) tone generation means having first and second tone generation channels; (c) instruction means for instructing a timing shift and a tone volume difference between a second tone and a first tone, the magnitude of the timing shift and of the tone volume difference being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs); and (d) signal generation means for generating first and second musical tone signals having the designated pitch and having the timing shift and the tone volume difference instructed by said instruction means in correspondence with the designated pitch (or the pitch group to which the designated pitch belongs), wherein said tone generation means converts the musical tone signal into an acoustic wave in the corresponding tone generation channel.
Claim 6
Dependent Claim
155 words
An apparatus according to claim 3, wherein said instruction means instructs a timing shift and a tone volume difference between a third tone and the first tone and a timing shift and a tone volume difference between a fourth tone and the third tone, the magnitude of the timing shift and of the tone volume difference between the third and first tones and between the fourth and third tones being controlled as a function of the designated pitch (or the pitch group to which the designated pitch belongs), and wherein said signal generation means generates a third musical tone signal having the designated pitch and the timing shift and the tone volume difference between the first and third tones instructed by said instruction means and generates a fourth musical tone signal having the designated pitch and the timing shift and the tone volume difference between the third and fourth tones instructed by said instruction means.
Claim 7
Dependent Claim
129 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for generating at least one pitch signal representing a tone pitch; tone generation instruction means for generating a start signal instructing tone generation; musical tone signal generating means for generating a pair of musical tone signals representing a pair of direct sounds and a plurality of musical tone signals each representing a reflected sound in accordance with said start signal, wherein said pair of musical tone signals have a first and second tone volume, respectively, and said plurality of musical tone signals have respective tone volumes and respective tone generation times; and controlling means for controlling said respective tone volumes and said respective tone generation times in accordance with said pitch signal of said tone pitch designating means.
Claim 8
Dependent Claim
129 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for generating at least one pitch signal representing a tone pitch; tone generation instruction means for generating a start signal instructing tone generation; musical tone signal generating means for generating a pair of musical tone signals representing a pair of direct sounds and a plurality of musical tone signals each representing a reflected sound in accordance with said start signal, wherein said pair of musical tone signals have a first and second tone volume, respectively, and said plurality of musical tone signals have respective tone volumes and respective tone generation times; and controlling means for controlling said respective tone volumes and said respective tone generation times in accordance with said pitch signal of said tone pitch designating means.
Claim 9
Dependent Claim
54 words
An electronic musical tone generating apparatus according to claim 5, wherein said tone pitch designating means comprises a plurality of keys, said plurality of keys are divided into a plurality of key groups, and said controlling means controls said respective tone volumes and said respective tone generation times in accordance with the key groups.
Claim 10
Dependent Claim
63 words
An electronic musical tone generating apparatus according to claim 5, wherein said controlling means produces tone volume coefficients and wherein said musical tone signal generating means comprises: forming means for forming a musical tone signal; a delay circuit for delaying said musical tone signal; and multiplying means for multiplying said musical tone signal formed by said forming means and said tone volume coefficients.
Claim 11
Dependent Claim
22 words
An electronic musical tone generating apparatus according to claim 7, wherein said delay circuit comprises a circuit which has no feed-back line.
Claim 12
Dependent Claim
28 words
An electronic musical tone generating apparatus according to claim 5, further comprising converting means having left and right channels, for converting said musical tone signal to musical sound.
Claim 13
Dependent Claim
38 words
An electronic musical tone generating apparatus according to claim 9, wherein said plurality of musical tone signals representing reflect sounds are grouped into a pair of signals which are assigned to said left channel and said right channel.
Claim 14
Dependent Claim
47 words
An electronic musical tone generating apparatus according to claim 9, wherein said plurality of musical tone signals representing reflect sounds are grouped into a plural pair of signals, each of a pair of said plural pair of signals is assigned either said left or said right channel.
Claim 15
Dependent Claim
107 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for designating tone pitch; musical tone signal generating means for generating at least one musical tone signal; delay means for producing at least one delayed musical tone signal; and stereo effect means for controlling sound image localization of said musical tone signal direct from said musical tone signal generating means and controlling sound image localization of said delayed musical tone signal in accordance with tone pitch designated by said tone pitch designating means, the sound image localization of said musical tone signal being executed independently of the sound image localization of said delayed musical tone signal.
Claim 16
Dependent Claim
107 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for designating tone pitch; musical tone signal generating means for generating at least one musical tone signal; delay means for producing at least one delayed musical tone signal; and stereo effect means for controlling sound image localization of said musical tone signal direct from said musical tone signal generating means and controlling sound image localization of said delayed musical tone signal in accordance with tone pitch designated by said tone pitch designating means, the sound image localization of said musical tone signal being executed independently of the sound image localization of said delayed musical tone signal.
Claim 17
Dependent Claim
24 words
An electronic musical tone generating apparatus according to claim 12, wherein said tone pitch designating means comprises a plurality of keys of a keyboard.
Claim 18
Dependent Claim
44 words
An electronic musical tone generating apparatus according to claim 13, wherein said plurality of keys are divided into a plurality of key groups, and said stereo effect means controls said sound image localization of said delayed musical tone signal in accordance with key groups.
Claim 19
Dependent Claim
81 words
An electronic musical tone generating apparatus according to claim 13, wherein said stereo effect means has left and right channels and wherein sound image localization of a tone which represents a directly generating sound is formed in the left channel when keys on the left side of said keyboard are operated, and sound image localization of a tone which represents a directly generated sound is formed in the right channel when keys on the right side of said keyboard are operated.
Claim 20
Dependent Claim
74 words
An electronic musical tone generating apparatus according to claim 12, further comprising a plurality of tone generating channels, wherein the musical tone signal generator generates a plurality of musical tone signals including a signal indicative of a direct sound and a signal indicative of a reflected sound, the signal indicative of the reflected sound being delayed by said delay means, the delayed signal being supplied to each of the plurality of tone generating channels.
Claim 21
Dependent Claim
43 words
An electronic musical tone generating apparatus according to claim 16, wherein the delay means produces a plurality of delayed signals from the signal indicative of the reflected sound, the plurality of delayed signals being supplied to corresponding channels of the plurality of channels.
Claim 22
Dependent Claim
24 words
An electronic musical tone generating apparatus according to claim 12, wherein the delay means produces the delayed signal based on the designated tone pitch.
Claim 23
Dependent Claim
77 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for designating tone pitch; musical tone signal generating means for generating at least one musical tone signal; reflection tone generating means for generating a reflection tone signal by delaying said musical tone signal; and stereo effect means for independently controlling localization of sound images of said musical tone signal and said reflection tone signal in accordance with tone pitch designated by said tone pitch designating means.
Claim 24
Dependent Claim
77 words
An electronic musical tone generating apparatus comprising: tone pitch designating means for designating tone pitch; musical tone signal generating means for generating at least one musical tone signal; reflection tone generating means for generating a reflection tone signal by delaying said musical tone signal; and stereo effect means for independently controlling localization of sound images of said musical tone signal and said reflection tone signal in accordance with tone pitch designated by said tone pitch designating means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-08-15 | 1998-02-14 | 1998-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-15 | 2002-02-14 | 2002-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-15 | 2006-02-14 | 2006-08-16 | $7700.00 | Window Closed / Lapsed |