Class 84/697 - Mixing

Subclass of Class 84 - Music
Definition: Subject matter wherein two or more tones are combined to
No. of patents: 34
Last issue date: 10/28/2008

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Number	Title	Issue Date
7442870	Method and apparatus for enabling advanced manipulation of audio A method and apparatus are provided for representing, storing, and rendering audio data. An audio file enables users to store and exchange sampled audio waveform data along with additional data used to generate or synthesize an audio output closely approximating the...	10/28/2008
7440577	Methods and apparatus for automatic mixing of audio signals Methods and apparatus for automatically mixing a plurality of audio channels by adjusting respective gains of the audio channels using a control signal based on an aggregate of input levels of respective audio signals of the audio channels; and reducing the gain of ...	10/21/2008
7271332	Amplification of acoustic guitars A device for mixing the outputs of two sensors. The device includes a first input for receiving a signal from at least one first sensor, a second input for receiving a signal from at least one second sensor, a low pass filter for passing signal components of the fir...	09/18/2007
6806413	Oscillator providing waveform having dynamically continuously variable waveshape An oscillator for digital music synthesis that provides a smooth waveform that is rich in harmonic content and whose shape is continuously and dynamically variable over a wide range of harmonically rich shapes. The oscillator is efficient in that it generates the sh...	10/19/2004
5774566	Device for treating signals Device for treating signals. A device for treating signals having multiple inputs for the reception of signals, including adjustable elements for the treatment of signals, wherein the adjustable elements are connected with control elements for control pur...	06/30/1998
5756919	Musical sound generating system including pseudo-sinusoidal wave operator A musical sound generating system not requiring a memory unit or interpolation device for generating a tone having a tone color including a large number of harmonic components. The tone is generated with few operations and ready predictability of tone col...	05/26/1998
5754095	Tone generating circuit A tone generating circuit for delivering power to a speaker modulated fourth harmonic audio square wave signal by its fundamental to produce a modulated audio signal within a selected frequency range. The tone generating circuit may be incorporated in a p...	05/19/1998
5608807	Audio mixer sound instrument I.D. panel A programmable identification panel used in conjunction with an audio mixing sound system. The identification panel includes a changeable visual display, such as a liquid crystal display, for identifying a specific instrument or sound that has been assign...	03/04/1997
5602358	Effect imparting device and electronic musical instrument incorporating same An effect imparting device is constructed such that effects of a first kind which are different from each other are imparted to at least two of a plurality of musical tone signals transmitted via a plurality of channels. At least two of the musical tone s...	02/11/1997
5557683	In-vehicle drum simulator and mixer An in-vehicle drum simulator and mixer for enabling an automobile passenger to create and overlay percussive sounds onto the audio portion of a radio, tape player, cassette disk player, and the like. One or a plurality of touch sensors distributed in sele...	09/17/1996
5468906	Sound synthesis model incorporating sympathetic vibrations of strings Synthesizer models for emulating musical instruments are improved to take into account sympathetic string vibrations. One embodiment of the present invention scales an output signal from a sound synthesis model and uses the scaled signal as an input signa...	11/21/1995
5357575	Sound processing system A sound processing system comprises a waveform distributor for distributing an input sound waveform, offset devices for executing an offset process for each of the waveforms received from the waveform distribution device, and a multiplication and addition...	10/18/1994
5192824	Electronic musical instrument having multiple operation modes An electronic musical instrument having selectable monaural, stereo and multiple channel musical performance capability is disclosed which includes a performance data generating device; tone signal generating systems; sound producing systems; a mode indic...	03/09/1993
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 or signal generator which generates deterministic or period...	10/20/1992
4945805	Electronic music and sound mixing device An electronic music and sound mixing device, to be combined with a doll or a toy animal. The device comprising a mix ROM and a speech ROM for storing digital data of melodies, accompaniments and animal voices, a logical control circuit for controlling the...	08/07/1990
4890527	Mixing type tone signal generation device employing two channels generating tones based upon different parameter There are provided first and second tone signal generation channels for respectively generating tone signals having waveshape characteristics corresponding to parameters assigned thereto. Tone color change control information such as key touch data is app...	01/02/1990
4401975	Electrical synthesis of mechanical bell Circuit means for synthesizing the sound of a mechanical bell by combining the three most significant frequencies of the bell to be synthesized and modulating these with a decaying exponential control signal which is derived from a clock signal having a p...	08/30/1983
4397210	Rhythm sound generator An electronic circuit triggered by pulses derived from the rhythm pattern generator of an electronic organ simulates the sound of a group of people clapping hands by producing in bursts at least two different sound signals of differing characteristics and...	08/09/1983
4306480	Electronic musical instrument An electronic musical instrument having a fret board and a plurality of conductive frets may be coupled to a resistance ladder of discrete resistive elements. A conductive wire or a plurality of such wires selectively making contact with at least one of t...	12/22/1981
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 circuits being adapted to have the musical tones from the ele...	06/03/1980
4198891	Circuit for simulating sounds of percussive instruments An electronic circuit for simulating the sound of a skin head percussive instrument struck with a stick includes a pair of ringing oscillators of different frequencies both triggered by pulses from the rhythm pattern generator of an electronic organ, a ci...	04/22/1980
4183278	Driver circuit for tone generator A driver circuit for a tone generator that is adapted to cause the tone generator to produce a pleasant sounding chime. The circuit comprises high and low frequency oscillator circuits whose decaying sawtooth type outputs are summed and modulated to produ...	01/15/1980
4173916	Tone generator system for an electronic organ A tone generator system for an electronic organ which is capable of being fabricated into an LSI structure and receives a saw-tooth wave or staircase wave as an input thereto comprises a frequency divider for the saw-tooth wave or staircase wave including...	11/13/1979
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 to produce first and second audible frequency signals, re...	11/06/1979
4164884	Device for producing a chorus effect A device for producing a chorus effect in an electronic musical instrument. An electronic delay circuit and a non-modulating amplifier means are coupled in parallel and the outputs are mixed in a mixing amplifier. A carrier oscillator is coupled to the de...	08/21/1979
4148240	Percussion simulating techniques The disclosure describes an improved electronic musical instrument capable of simulating a sound resulting from the striking of a natural percussion instrument. The electronic instrument includes playable keys, a tone signal generator for generating tone ...	04/10/1979
4145943	Electronic musical instrument capable of generating a string chorus sound Improved apparatus for use in an electronic musical instrument having a keyboard including a group of keys corresponding to the notes of a musical scale. Electronic circuitry is used to generate simultaneously with respect to each of the keys first and se...	03/27/1979
4121489	Electronic musical instrument having plural oscillators starting in phase An electronic musical instrument comprises a plurality of tone generators for independently producing tone signals having slightly different frequencies, though fundamentally corresponding to the note of a key depressed on a keyboard; and a mixing circuit...	10/24/1978
4108041	Phase shifting sound effects circuit A sound effect circuit with a phase shifter producing a signal shifted in phase with respect to an input signal, a combining circuit for arithmetically combining the input and phase shifted signals to produce an output signal, an oscillator for periodical...	08/22/1978
4104946	Voicing system for electronic organ In a voicing system for electronic organs, square wave signals from a tone generator are converted to a waveform of another shape, the harmonic structure of which is useful for producing certain organ voices. This modified waveform is further modified, as...	08/08/1978
4074605	Keyboard operated electronic musical instrument A keyboard operated electronic musical instrument such as an electronic organ is disclosed which generates a musical tone signal by mixing together two different musical tone signals of different waveforms and which changes the sound of the generated musi...	02/21/1978
3939750	Electronic organ An electronic organ comprises memory means for memorizing in an analog manner the synthesizing ratio of repetitively occuring waves such as square waves for synthesizing qualities of sound in response to the signals from means for selecting qualities of s...	02/24/1976
3937115	Electronic piano circuit arrangement Disclosed is an electronic piano circuit arrangement which combines a multitude of different frequencies within a resistordiode matrix array. The resistor-diode coupling elements provide a different value impedance for various signals to be combined and t...	02/10/1976

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Class 84/697 - Mixing