Musical Operation Pitch Correction With Passing-Tone Feedback

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Solution Overview

Problem

Conventional music performing apparatuses fail to effectively assist users in recognizing inappropriate musical actions, leading to a disconnect between finger movements and emitted sounds, resulting in a feeling of strangeness and hindering performance improvement.

Innovation Solution

The apparatus emits a passing tone that changes stepwise or continuously from an inappropriate sound pitch to a musically appropriate pitch, allowing users to recognize and correct their actions, ensuring coordination between finger movements and sounds.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the apparatus automatically converts inappropriate sound pitches to appropriate chord structural notes, then the user can play music more easily, but the user cannot recognize that their action was inappropriate

Engineering Contradiction:

Improveease of music performanceVSAvoiduser feedback on inappropriate actions

Core Design Contradiction:

Ease of operationVSLoss of information

Solution Approach 1:

The apparatus emits a passing tone that transitions from the inappropriate sound pitch to the appropriate chord structural note. This auditory feedback allows the user to hear both their original input and the corrected pitch, enabling them to recognize when an inappropriate action occurred while still benefiting from the automatic correction.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The passing tone serves as an intermediary element between the inappropriate sound pitch and the correct chord structural note. It bridges the gap by first emitting the inappropriate pitch (preserving user input information) and then transitioning to the appropriate pitch (providing musical correctness), thus mediating between ease of operation and user feedback.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If the apparatus only emits the corrected chord structural note, then the music sounds appropriate, but the user feels disconnected from their finger movements

Engineering Contradiction:

Improvemusical appropriatenessVSAvoidconnection between finger movements and sounds

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The passing tone creates a continuous auditory experience that links the user's finger movement to the final correct sound. By emitting both the inappropriate initial pitch and the transition to the correct pitch, the system maintains continuous feedback about the user's actions, preventing disconnection while ensuring musical appropriateness.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The apparatus preliminarily emits the inappropriate sound pitch corresponding to the user's finger movement before transitioning to the correct chord structural note. This preliminary action preserves the connection between the user's physical action and the sound, while the subsequent transition ensures musical appropriateness.

Inventive Principle:

Principle #10Preliminary action

3Loss of information

If the apparatus emits only the inappropriate sound pitch corresponding to user input, then the user can recognize their actions, but the music sounds unnatural and strange

Engineering Contradiction:

Improveuser feedback on actionsVSAvoidmusical naturalness

Core Design Contradiction:

Loss of informationVSReliability

Solution Approach 1:

The system dynamically adjusts the sound output by transitioning from the inappropriate sound pitch to the appropriate chord structural note through the passing tone. This dynamic change allows the apparatus to initially provide feedback about the user's action (inappropriate pitch) while then correcting itself to produce natural, appropriate music.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The passing tone creates a periodic auditory sequence that first presents the inappropriate pitch for feedback, then transitions to the correct pitch. This periodic action of presenting and correcting ensures both user feedback and musical naturalness are achieved.

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS20250292751A1Music performing apparatus and method, and recording medium

Publication Date: 2025.09.18 CASIO COMPUTER CO LTD

AI summary

A music performing apparatus includes a plurality of musical operation elements and at least one processor. In a case where a musical action on a musical operation element is detected, at least one processor determines whether a first sound pitch corresponding to the musical action is a sound pitch of a chord structural note in a tune in progress. In a case where the first sound pitch is not the sound pitch of the chord structural note, the at least one processor sequentially emits at least a musical sound of the first sound pitch and a musical sound of a second sound pitch that is the chord structural note in the tune.