MIDI Mapping System for Keyboard Pitch Alignment
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Solution Overview
Problem
Music producers without formal music theory training face limitations in utilizing the full potential of keyboard instruments, as current software programs restrict their ability to create complex chord progressions and melodies in perfect pitch, leading to constrained artistic expression and legal issues with sample usage.
Innovation Solution
A system and process that maps MIDI signals to ensure harmony and melody octaves of an electronic MIDI keyboard are always in perfect pitch, allowing users to select a key signature and scale, organizing keys into a chord generator and melody lock, enabling intuitive composition of chords and melodies without formal training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If music producers use current software programs to compose chord progressions, then composition becomes easier without formal music theory training, but artistic expression is constrained and creative freedom is limited
Solution Approach 1:
The system divides the keyboard into two independent controllable sections: left hand for chord progression and right hand for melody. Each hand can be independently mapped to different scales and key signatures, allowing producers to compose complex harmonies and melodies simultaneously without being constrained by a single fixed scale mapping. This segmentation enables unrestricted artistic expression while maintaining ease of operation.
2Ease of operation
If music producers use samples from other music productions, then composition becomes easier, but legal problems arise and creativity is limited
Solution Approach 1:
The system enables music producers to create their own chord progressions and melodies independently using the dual-hand mapping technology. By providing tools for original composition rather than sample-based creation, the system eliminates legal issues associated with sample usage while maintaining ease of composition. Producers can generate unique musical content without relying on pre-recorded samples from other productions.
3Device complexity
If music producers use current software programs for chord generation, then composition becomes simpler, but the ability to create complex chord progressions with perfect pitch is restricted
Solution Approach 1:
The system dynamically changes the mapping parameters of keyboard keys based on the selected scale and key signature. When a user selects a scale, the system automatically adjusts the mapping so that pressing specific keys generates chords and melodies in perfect pitch according to music theory rules. This allows complex chord progressions with accurate pitch while keeping the interface simple and intuitive.
4Ease of operation
If music producers rely on fixed scale mappings, then operation becomes simpler, but the ability to leverage full musical capacity of keyboard instruments is limited
Solution Approach 1:
The system provides dynamic and flexible mapping where the right hand can be configured to follow different scales and key signatures independently from the left hand. This dynamic adaptability allows producers to switch between different musical contexts and styles while maintaining simple operation through automated mapping adjustments. The system adapts to the producer's artistic vision rather than constraining it to fixed patterns.
Data Source
AI summary
A process and a system are disclosed for some embodiments of the invention that map MIDI signals in a manner which always puts the harmony and melody octaves of an electronic MIDI keyboard in perfect pitch for a user of the keyboard. The process of some embodiments includes (i) receiving a selection of a key signature, (ii) receiving a selection of a scale, (iii) organizing the left side octave(s) (“chord” side) into a chord generator that places all scale tones on white keys and applies a chord effect to each white key, relative to the scale tone position, and (iv) organizing the right side octave(s) (“melody” side) into a melody lock that provides multiple settings for mapping the seven scale tones onto white keys.