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5157216 |
Musical synthesizer system and method using pulsed noise for simulating the noise component of musical tones
A music synthesizer simulates the musical tones of bowed string and wind instruments. The synthesizer includes a noise generator which generates pulsed noise signals, as well as a resonant system...
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4757737 |
Whistle synthesizer
A whistle synthesizer comprises a microphone, a housing, system electronics within the housing, and controls outside the housing. The player whistles into the microphone, the signals from which are...
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4636740 |
Control circuit for varying power output of push-pull tube amplifiers
A biasing and control circuit for varying the output power delivered by the push-pull output stage of a power amplifier is disclosed. The biasing and control circuit incorporates both fixed and...
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4358982 |
In tone generators for electronic musical instruments
A tone generator for electronic musical instruments, useful in particular for the modular composition of an electronic organ, comprising a plurality of inputs corresponding to a keyboard octave of...
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4308422 |
Circuit for modulating a musical tone signal to produce a rotating effect
A device for electronically modulating a musical tone signal to produce substantially the radiation effects produced by a rotary loudspeaker with the aid of two loudspeakers, in which circuit an...
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4265157 |
Synthetic production of sounds
A method and apparatus for producing sounds from one or more-time overlapg sequences of one or more electrical pulse signals having a frequency corresponding to the pitch of the sound to be...
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4205579 |
Device for producing chorus effects
A device for producing a chorus effect for an electronic musical instrument. The device has two sets of parallel time delay modulating circuits with each set having two circuits therein and the...
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4181059 |
Circuit for simulating sound of wire brush rotated around head of snare drum
An electronic musical circuit simulates the sound of a wire brush rotated around the head of a snare drum by differently amplitude modulating and bandpass filtering in separate channels a noise...
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4175463 |
Resonator for a musical tone synthesizer
A tone synthesizer in which a musical tone of selected fundamental frequency is generated with a resonance effect at selected harmonics of the tone. The resonance effect is produced by adding an...
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4173164 |
Electronic musical instrument with frequency modulation of a tone signal with an audible frequency signal
An electronic musical instrument comprises first and second voltage-controlled frequency-variable oscillators responsive to application of a pitch determining voltage signal from a keyboard circuit...
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4160402 |
Music signal conversion apparatus
Apparatus for converting the relatively rapid rise time, relatively long fall tone envelopes of a music source output to envelopes having relatively long rise time and relatively rapid fall time...
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4044643 |
Musical instrument circuit providing celeste and vibrato effects
A circuit is shown for changing the frequency of a basic keyed oscillator by controlling the amount of keying voltage reaching the oscillator and the circuit used for vibrato. The purpose of this...
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3999456 |
Voice keying system for a voice controlled musical instrument
A voice keying system for a voice controlled musical instrument comprising a frequency responding circuit for responding to an input signal of audio frequency and generating a control signal which...
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3999149 |
Modulation system
A modulator for modulating an audio signal in response to a dc signal of adjustable level and concurrently in response to a sub-audio signal, in which the modulating signals do not appear in the...
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3916752 |
Frequency conversion system for an electronic musical instrument
A frequency conversion system for an electronic musical instrument. The system has a signal source, at least one frequency converter and an electro-acoustic transducer, and converts the fundamental...
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3762265 |
ELECTRONIC MUSICAL INSTRUMENT HAVING TONE START PROMINENCE CIRCUIT
An electronic musical instrument having a conventional music playing circuit arrangement with a tone signal passage including tone generators, tone keyers, tone coloring filters, an amplifier and a...
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3708603 |
ELECTRONIC SOUND SYNTHESIZER
An electronic sound synthesizer which includes a touch controlled voltage generator for selectively controlling the generation of a plurality of electrical signals and means for converting the...
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3598891 |
MUSICAL TONE-FORMING CIRCUITRY INCLUDING FILTER AND RANDOM NOISE MODULATION
A whistle or grass reed sound is simulated by an electronic musical circuitry comprising a portamento-type oscillator, a tone coloring filter for providing a tone signal having predetermined...
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3538806 |
TONE PROCESSING SYSTEM
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3535431 |
APPARATUS FOR CREATING A CHORUS OR CELESTE EFFECT WITH AN ELECTRONIC MUSICAL INSTRUMENT
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3532799 |
ELECTRONIC MUSICAL APPARATUS IMPROVED IN A MUSICAL TONE GENERATING CIRCUIT
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3204020 |
Apparatus for generating electrical oscillations
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3181138 |
Electrical sound simulator
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3004459 |
Modulation system
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2818760 |
Modulation system for electrical musical instrument
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