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Class 84/604 - Waveform memory


Subclass of Class 84 - Music
Definition: Subject matter wherein a waveform is digitally stored.
No. of patents: 335
Last issue date: 01/10/2012


1                  
NumberTitleIssue Date
8093485Method and system for prefetching sound data in a sound processing system
A method and system for prefetching sound data in a sound processor system. The method includes integrating a prefetching function into at least one voice engine by, providing a setup phase, a data processing phase, and a cleanup phase, and prefetching sound data fr...
01/10/2012
8058543Audio smoothing system, device, and method
The present invention relates to an audio smoothing system for smoothing an audio waveform to generate a smoothed waveform, including an audio generator, an audio smoothing device and an operating interface. The audio smoothing device is provided for receiving an au...
11/15/2011
8053658Electronic musical instrument using on-on note times to determine an attack rate
An electronic musical instrument includes: an input device that inputs a sound generation instruction to start generating a musical sound and a stop instruction to stop the musical sound; an on-on time timer device that measures a time difference between a first and...
11/08/2011
8017849Electronic keyboard instrument
Electronic piano includes speakers arranged on its front side region and another speaker provided at a back position of the piano. Waveform memory provided in a tone generator section has prestored therein sets of four-channel waveform data, each of the sets corresp...
09/13/2011
7982116Electronic music apparatus with data loading assist
An electronic music apparatus has a sound generator for generating a music sound signal according to music data. A storage medium stores music data files, each written with music data for generating the sound signal. An information retention section retains file inf...
07/19/2011
7960638Apparatus and method of creating content
Audio content data is used in various modes as materials to easily create a new high-quality audio content. Multiple pieces of audio content data used as material data are prepared in advance in a material data storage device 31. Additional data is added to e...
06/14/2011
7935879Method and apparatus for digital audio generation and manipulation
A method and apparatus creates “micro edits” or alterations and manipulation of sounds, per track or per portion of a track in a “drum machine,” thereby creating unique subdivisions of sound as well as providing means for panning sound within a two dimension...
05/03/2011
7807915Bandwidth control for retrieval of reference waveforms in an audio device
In general, the techniques of this disclosure may be used to control utilization of bandwidth allocated to an audio processing module. For example, to process various audio synthesis parameters, the audio processing module may retrieve reference waveform samples for...
10/05/2010
7723601Shared buffer management for processing audio files
This disclosure describes techniques that make use of a summing buffer that receives waveform samples from audio processing elements, and sums and stores the waveform sums for a given frame. In one example, a method comprises summing a waveform sample received from ...
05/25/2010
7718882Efficient identification of sets of audio parameters
Techniques are described of efficiently identifying sets of audio parameters to be applied during a time frame. For example, a list of indicators may be generated. Each of the indicators in the list may indicate a Musical Instrument Digital Interface (MIDI) voice pr...
05/18/2010
7579544Waveform generating device
To compose a series of musical tones, a waveform generating device reads out a plurality of time axis segments of waveform data in optional order by compressing or expanding the segments of waveform data in conformance with performance data. With the waveform genera...
08/25/2009
7557288Tone synthesis apparatus and method
In a storage section, there are stored special connecting waveform data for connecting between at least two notes to be generated in succession. The special connecting waveform data contain only a waveform of a succeeding-note region of a waveform connecting portion...
07/07/2009
7544879Tone generation processing apparatus and tone generation assignment method therefor
A plurality of tone generator devices include respective waveform data memories, and each of the waveform data memories is exclusively usable by the corresponding tone generator device, not sharable with the tone generator device. Once event information indicative o...
06/09/2009
7521621Compressed data structure and apparatus and method related thereto
Compressed waveform data structure is proposed which is suited for segmentation of a plurality of samples of compressed waveform data into a plurality of frames and subsequent storage of each of the frames. The number of bits per sample of the compressed waveform da...
04/21/2009
7470848Structure and method for playing MIDI messages and multi-media apparatus using the same
A structure for playing MIDI messages including a main-control element, a buffer memory, a MIDI synthesizer, and a pre-processor is provided. The main-control element receives tone colors and the MIDI messages, and loads at least part of the tone colors to the buffe...
12/30/2008
7470849Waveform generation for FM synthesis
A method and system is disclosed for generating one or more predetermined waveforms from one or more contiguous segments of at least one prototype waveform stored in one or more memory tables, the method and system comprising iterations of following sample processin...
12/30/2008
7432435Tone synthesis apparatus and method
Dynamics value is acquired intermittently at predetermined time periods, and a waveform data set for a sustain tone, corresponding to the acquired dynamics value, is specified from among waveform data sets stored in a memory. To generate a tone waveform while switch...
10/07/2008
7425673Tone output device and integrated circuit for tone output
In a tone output device 100, an oscillator 102 outputs a clock 141 that is emitted by a crystal resonator. A multiplication circuit 103 outputs a clock 142 that is generated by multiplying the clock 141. A timing control cir...
09/16/2008
7420115Memory access controller for musical sound generating system
In an access controller provided for a musical sound signal generating system, a signal generating section operates when a readout of wave data of one block stored in a working memory is completed in a sound channel, for supplying a next waveform request signal to a...
09/02/2008
7402746Training apparatus for learning to play the guitar
A training apparatus for guiding and independently teaching a user to quickly play a guitar by interpreting stored encoded MIDI music data to guide the user's hands by illuminating sequences of desired finger positions on the frets of a guitar to play the music....
07/22/2008
7396989Waveform generating device
To compose a series of musical tones, a waveform generating device reads out a plurality of time axis segments of waveform data in optional order by compressing or expanding the segments of waveform data in conformance with performance data. With the waveform genera...
07/08/2008
7390953Waveform data interpolation device and waveform data interpolation program
With a decimal-fraction address representing a position between two continuous sample values and input from a decimal-fraction address calculation block (5-2) assumed as x, a product-sum block (5-5) calculates the value of x(1−x) as the...
06/24/2008
7388144Method and device for storing main information with associated additional information incorporated therein
To store main information with associated additional information incorporated therein, data constituting the additional information is divided into a plurality of small-size data pieces of, e.g., one bit. Then, the respective values of particular ones of predetermin...
06/17/2008
7381879Sound waveform synthesizer
In a sound waveform synthesizer, a waveform data supplying section reads the waveform data from a storage medium for supplying the waveform data to a waveform buffer in response to a first transfer request. A waveform data processing section retrieves the waveform d...
06/03/2008
7378586Compressed data structure and apparatus and method related thereto
Compressed waveform data structure is proposed which is suited for segmentation of a plurality of samples of compressed waveform data into a plurality of frames and subsequent storage of each of the frames. The number of bits per sample of the compressed waveform da...
05/27/2008
7371957Performance apparatus and tone generation method therefor
A plurality of key switches are disposed in a predetermined arrangement, such as a matrix arrangement, and a tone generator includes a memory for storing tone (waveform) data corresponding to the key switches. Sampling section acquires an audio signal from an extern...
05/13/2008
7369665Method and apparatus for mixing sound signals
A system and method for mixing sound signals is provided in which a mixer buffer stores sample values for three or more sound channels, each sound channel including a main sound component and one or more auxiliary sound components. Send paths are provided for sendin...
05/06/2008
7366661Information extracting device
The present invention relates to an information extraction apparatus capable of analyzing an acoustic signal with accuracy and high efficiency. An amplitude analysis section 32 determines whether or not an attack or release is contained on the basis of...
04/29/2008
7355111Electronic musical apparatus having automatic performance feature and computer-readable medium storing a computer program therefor
In an automatic performance system, song and style data DAi and DCj (i:1 through n, j:1 through m) contains tempo and meter data TPa, TMa; TPc, TMc, respectively, so that the style data DCj whose tempo and meter data matches with those of the song data DAi is reprod...
04/08/2008
7348482Discriminator for differently modulated signals, method used therein, demodulator equipped therewith, method used therein, sound reproducing apparatus and method for reproducing original music data code
A nibble stream containing MIDI music data words and synchronous nibbles and an external audio signal are selectively converted to an audio-frequency signal, which in turn is converted to a set of PCM codes for storing it in a compact disc; and the audio frequency s...
03/25/2008
7348483Kernel-mode audio processing modules
Multiple kernel-mode audio processing modules or filters are combined to form a module or filter graph. The graph is implemented in kernel-mode, reducing latency and jitter when handling audio data (e.g., MIDI data) by avoiding transfers of the audio data to user-mo...
03/25/2008
7332670Automatic player exactly bringing pedal to half point, musical instrument equipped therewith and method used therein
An automatic player reenacts a music passage on an acoustic piano without any fingering of a human player; solenoid-operated key actuators and a solenoid-operated pedal actuator is provided for the keys and damper pedal; the automatic player makes the damper pedal t...
02/19/2008
7332668Wavetable audio synthesis system
The present invention relates to an audio synthesis system for performing wavetable audio synthesis. The system comprises an instrument database, an analysis module, a memory, a judgment module, and a synthesis module. The instrument database is used for storing dat...
02/19/2008
7330769Parameterized interactive control of multiple wave table sound generation for video games and other applications
In the context of a video game, multimedia presentation or other application, multiple sound sample files are read out simultaneously and mixed together. The volumes and/or pitches of the wave tables are parameterized to allow a single parameter (e.g., power, intens...
02/12/2008
7329811Musical sound generation device capable of effectively utilizing the access timing for an unused slave sound source
A musical tone generating apparatus, which is capable of effectively utilizing the access timing for an unused slave sound source, is provided. The musical tone generating apparatus is composed of a master sound source 1000, which comprises a mode swit...
02/12/2008
7326847Methods and systems for dynamic channel allocation
Methods and systems of dynamic channel allocation. The provided methods and systems can be employed in a music synthesis system comprising a synthesizer. Audio instructions from sources, such as MIDI players, are received. Available channels provided by the synthesi...
02/05/2008
7319764Method and apparatus for controlling volume
Some embodiments of the invention provide a method for controlling the volume of an audio track. This method represents the volume of an audio track with a graph. This graph is defined along two axes, with one axis representing time and the other representing the vo...
01/15/2008
7319186Scrambling method of music sequence data for incompatible sound generator
A data format of music sequence data represents a music piece and enables a compatible sound generating apparatus to reproduce the music piece at a first quality while allowing a non-compatible sound generating apparatus to reproduce the music piece at a second qual...
01/15/2008
7319185Generating music and sound that varies from playback to playback
A method and apparatus for the creation and playback of music, audio and sound; such that each time a composition is played back, a different sound sequence is generated in the manner previously defined by the artist. During composition creation, the artist's defini...
01/15/2008
7305273Audio generation system manager
An audio generation system includes a performance manager, which is an audio source manager, and an audio rendition manager to produce a rendition corresponding to an audio source. An application program provides the audio source manager and the audio rendition mana...
12/04/2007
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