Automatic Performance Apparatus for Natural Music Transitions
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Solution Overview
Problem
Beginner users in the field of dance music struggle to select appropriate performance patterns for automatic performance apparatuses, often resulting in musically unnatural transitions due to limited music knowledge.
Innovation Solution
A performance apparatus with a processor that assigns music data into track groups and stage groups, allowing users to change performance patterns naturally by determining a common stage and transitioning to the next stage based on currently played music data, ensuring seamless transitions across tracks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If beginner users freely select and change performance patterns in automatic performance, then ease of operation is improved, but musical naturalness of transitions deteriorates
Solution Approach 1:
The patent introduces an automatic performance apparatus that acts as an intermediary between the user and the performance patterns. The apparatus automatically determines appropriate performance patterns based on song characteristics and transitions, mediating the selection process to ensure musical naturalness while allowing users to freely operate the system without needing music knowledge.
Solution Approach 2:
The automatic performance apparatus performs self-service by autonomously selecting and transitioning between performance patterns based on analysis of the song data. The system automatically determines the current song characteristics, selects appropriate performance patterns from stored data, and executes transitions without requiring user intervention or music knowledge, thereby maintaining both ease of operation and musical naturalness.
2Ease of operation
If users without music knowledge select performance patterns, then ease of operation is improved, but manufacturing precision of musical quality deteriorates
Solution Approach 1:
The automatic performance apparatus serves as an intermediary that handles the complex task of performance pattern selection. It analyzes song characteristics and automatically selects appropriate performance patterns, acting as a mediator between the user's simple operation and the complex requirements of musical quality, thereby enabling users without music knowledge to achieve high-quality results.
Solution Approach 2:
The system performs preliminary action by pre-storing multiple performance patterns with different characteristics in the storage unit. These patterns are prepared in advance and categorized by their musical characteristics, allowing the automatic performance apparatus to quickly select the most appropriate pattern based on the current song characteristics without requiring real-time complex decision-making or user music knowledge.
3Adaptability or versatility
If performance patterns are changed frequently to match song transitions, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing performance patterns into distinct, pre-defined categories stored in the storage unit. Each performance pattern represents a segmented musical style or characteristic, allowing the system to adapt to different song transitions by selecting between these segmented patterns rather than creating complex transitions continuously, thereby reducing device complexity while maintaining adaptability.
Solution Approach 2:
The system achieves adaptability through parameter changes by modifying which pre-stored performance pattern is selected based on analyzed song characteristics. Rather than fundamentally changing the device structure, the system adapts by changing parameters such as the selected performance pattern type, tempo, and instrumentation, allowing flexible adaptation to different songs while maintaining relatively simple device architecture.
Data Source
AI summary
The present disclosure provides a performance apparatus capable of changing to a performance pattern making a musically natural transition. A CPU 13 determines which stage a performance pattern of each of tracks Tr (1) to (4) currently selected belongs to, and obtains the number of performance patterns for each stage, in accordance with depression of a transition button. The CPU 13 determines that the stage having the maximum number of performance patterns is the “current stage” among the number of performance patterns for each stage obtained, and changes the performance pattern of each of the tracks Tr (1) to (4) to the stage subsequent to the determined “current stage”. Therefore, the performance pattern can be changed into a performance pattern making a musically natural transition. As a result, even a beginner user being poor in music knowledge can set an appropriate performance pattern matching the transition of the song.