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US 7,442,869 B2Granted
Method and electronic device used to synthesise the sound of church organ flue pipes by taking advantage of the physical modeling technique of acoustic instruments
AssigneeViscount International S.P.A.
InventorCarlo Zinato
Life of this patent
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Abstract
The present invention consists in a method and electronic device used to reproduce the sound of church organ flue pipes, by taking advantage of the physical modeling technique of acoustic instruments; it being an audio-digital synthesis system based on digital signal processors, which contains a program of physical simulation of the generation of the sound of organ flue pipes.
Claims11
A method suitable for church organ flue pipes' sound synthesis comprising:
- generating a first sinusoidal sequence (16),
- generating a second sinusoidal sequence (17) whose frequency is a multiple of said first sinusoidal sequence's frequency,
- generating a harmonic sequence (10) by means of processing said sinusoidal sequences,
- generating a periodic sequence (RATE) whose frequency is proportional to said harmonic sequence's frequency,
- generating a random sequence and processing said random sequence by means of a rate limiter (42) to obtain a limited rate sequence, and generating a sequence (NOISE) by means of processing said limited rate sequence, and
- processing said harmonic sequence (10) and said sequence (NOISE) by means of a closed loop of linear functional blocks to obtain an output sequence (13) which represents the sound of church organ flue pipes.
3 more elements
An electronic device for church organ flue pipes' sound synthesis comprising:
- a harmonic component generator (9) to synthesize a main harmonic sequence (10),
- a signal generator to synthesize a periodic sequence (RATE),
- a noise generator (11) to synthesize a random sequence,
- a rate limiter (42) to process said random sequence to obtain a limited rate sequence which is processed to generate a sequence (NOISE), and
- a linear resonator (12) generating a sequence (13) representing the sound of church organ flue pipes synthesized by said electronic device.
2 more elements
Dependencies are inferred from the claim text.