Electronic Musical Instrument Tempo Sync for Drum Pattern Playback
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Solution Overview
Problem
Existing electronic musical instruments struggle to provide a realistic drum performance experience, as they either require knowledge of drum phrases or lack flexibility in tempo adjustment, leading to a mechanical and restricted playing experience.
Innovation Solution
An electronic musical instrument that assigns performance patterns to individual keys, sets tempo based on key pressing operations, and plays musical sounds at the set tempo, allowing users to intuitively perform drum patterns in sync with a melody.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional electronic musical instruments use fixed accompaniment patterns, then the structure is simple and easy to operate, but the performance lacks realism and flexibility in tempo adjustment
Solution Approach 1:
The patent implements dynamic tempo adjustment by detecting the timing intervals between successive key presses and automatically adapting the performance pattern tempo to match the user's playing speed. This allows the system to transition from fixed, pre-programmed tempos to dynamic, user-adapted tempos, resolving the contradiction between tempo flexibility and system complexity.
Solution Approach 2:
The system performs self-adjustment by automatically detecting key press timing and setting the performance tempo without requiring manual user configuration. The electronic musical instrument monitors its own operation and autonomously adapts the accompaniment pattern speed to match the user's playing pace, eliminating the need for complex manual tempo controls.
2Reliability
If electronic musical instruments require knowledge of drum phrases for realistic performance, then the performance quality improves, but the ease of operation decreases for beginners
Solution Approach 1:
The system automatically detects the timing of key presses and uses this information to set the performance pattern tempo, eliminating the need for users to manually program or understand complex drum phrases. The instrument serves itself by autonomously adapting to the user's playing speed, making realistic performance accessible to beginners without requiring specialized knowledge.
Solution Approach 2:
The patent changes the tempo parameter of the performance pattern based on the detected timing intervals between key presses. By dynamically adjusting this critical parameter, the system maintains high performance quality while removing the barrier of requiring users to know drum phrases, as the tempo adaptation happens automatically based on simple key press timing.
Data Source
AI summary
An information processing apparatus includes: at least one performance operation element to which a performance pattern among a plurality of performance operation elements is assigned; and at least one processor. The at least one processor: sets a tempo of the performance pattern on a basis of a timing of a plurality of operations on the performance operation element, and plays a musical sound of the performance pattern at the tempo having been set.