Split-Key Piano Teaching Mode with Timing Feedback
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Solution Overview
Problem
Current electronic piano systems lack effective assistance for students practicing musical pieces, as they require a teacher to play accompaniment, and automatic reproduction can be unhelpful if the student makes mistakes, leading to monotonous practice and difficulty in grasping tempo.
Innovation Solution
A musical performance processing apparatus that allows for a teaching mode, enabling a student to practice one hand while the other is played by tapping, with adjustable tempo and dynamic control, and includes a split-key function for easy accompaniment by non-pianists, ensuring accurate timing and expressive practice.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automatic reproduction is used for student practice, then the student can practice alone without a teacher, but the reproduction continues without waiting for student performance, hindering good practice
Solution Approach 1:
The system detects student key depression timing and provides feedback by temporarily stopping reproduction when timing errors occur, allowing the student to correct mistakes before continuing practice
Solution Approach 2:
The reproduction system dynamically adjusts its behavior based on real-time student performance, stopping when timing errors are detected and resuming when correct timing is achieved
2Measurement precision
If the reproduction of music data is temporarily stopped when timing is incorrect, then the student can practice accurate timing, but the performer is difficult to grasp the tempo of playing the music
Solution Approach 1:
The system stores the correct tempo information in advance in the music data, allowing the student to grasp the intended tempo even when reproduction is temporarily stopped for timing correction
3Reliability
If a teacher plays piano accompaniment for student practice, then the student can practice with proper accompaniment, but a person not capable of playing piano is difficult to provide accompaniment
Solution Approach 1:
The system uses recorded music data as a substitute for live teacher accompaniment, allowing non-pianists to provide accompaniment through automatic reproduction while maintaining proper timing and tempo
Solution Approach 2:
The system can function both as automatic reproduction for independent practice and as responsive accompaniment that reacts to student timing, making it versatile for different teaching scenarios
4Measurement precision
If the reproduction of music data is temporarily stopped during lesson, then the timing can be corrected, but the teacher is difficult to proceed with the lesson while singing
Solution Approach 1:
The system extracts only the timing correction function from the reproduction process, temporarily stopping only when timing errors occur while allowing the teacher to continue singing and instructing without interruption
Data Source
AI summary
A musical performance processing apparatus that provides better assistance for student's practice. The apparatus includes a main unit in which music data including performance information of right- and left hand parts is stored, and a performance terminal having a keyboard divided into two key ranges by a split point. Each key range is set as a tapping or normal performance key range. The main unit generates a musical tone when input with performance information generated by depression of a key in the normal performance key range, and automatically reproduces performance information of designated part of music data for the number of beats corresponding to key depression, when input with performance information generated by depression of a key in the tapping performance key range. Sounding is stopped, if there is a deviation between a tempo of teacher's tapping performance and timing of student's performance.