Music Data Editing Device Phrase Recreation
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Solution Overview
Problem
Existing music data editing devices face challenges in efficiently replaying and creating favorable phrases due to limitations in the UNDO/REDO function, which records operations unrelated to sound changes and lacks synchronization with music piece progression, making it difficult to identify and recreate favorable musical phrases.
Innovation Solution
A music data editing device and program that assign unit sections to music data, allowing for recording and replaying of music data in time series, with a unit section recorder and reader enabling efficient playback of favorable phrases by recording and reading operations such as playing direction, speed, and note changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the UNDO/REDO function is used to record and replay music data, then music data can be restored, but operations unrelated to sound changes are also recorded making it difficult to efficiently seek favorable phrases
Solution Approach 1:
The patent extracts only the necessary information for phrase recreation (sound changes, playing direction, speed, timing) from the complete operation history, discarding unrelated operations. This selective extraction allows efficient phrase seeking by recording only what matters for musical phrase reproduction.
Solution Approach 2:
The patent segments the music data into discrete units (phrases) with specific attributes (playing direction, speed, timing). Each phrase is recorded as an independent unit that can be individually replayed, allowing efficient navigation and recreation of favorable phrases without processing entire operation histories.
2Reliability
If the UNDO/REDO function is used to record operations, then operations can be restored, but the function lacks synchronization with music piece progression timing
Solution Approach 1:
The patent preliminarily assigns specific attributes (playing direction, speed, timing) to each phrase unit during recording. This preliminary structuring ensures that when phrases are replayed, they automatically synchronize with music piece progression without requiring post-processing or manual timing adjustment.
3Reliability
If recording is performed by use of a DAW, then music data can be recorded, but operations such as checking recorded result, designating playing positions, and replaying are repeated making it difficult to efficiently seek favorable phrases
Solution Approach 1:
The patent provides immediate feedback by allowing operators to directly replay recorded phrases with a single operation. The system feedbacks the recorded phrase data (sound changes, timing, speed) directly to the output, enabling rapid evaluation and iteration without manual positioning or repeated checking operations.
Data Source
AI summary
A music data editing device includes: a music data player configured to play music data to which a unit section for playing a music piece is assigned; a unit section recorder configured to record the music data of every unit section in time series, the music data being currently played; and a unit section reader configured to read the unit section recorded by the unit section recorder.


