Electronic Device Chord Detection for Scoreless Music Playback
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Solution Overview
Problem
Existing music playback applications require users to know how to play an instrument or memorize chords, making it difficult for beginners to play melodious music without a score.
Innovation Solution
An electronic device identifies chords in background music and configures corresponding notes as touch objects on a screen, allowing users to play music by touching these objects without prior knowledge or a score.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users are required to know how to play an instrument or memorize chords, then music playback can be performed accurately, but the ease of operation deteriorates for beginners
Solution Approach 1:
The patent introduces a touch screen interface as an intermediary between the user and the music playback system. The touch screen displays visual representations of chords and notes that automatically update based on the background music's chord progression, eliminating the need for users to memorize musical theory while maintaining accurate playback through automated chord detection and visualization.
Solution Approach 2:
The system performs self-service by automatically detecting chords in the background music and generating appropriate touch objects without requiring user input or prior knowledge. The processor continuously analyzes the music track and updates the display interface autonomously, allowing beginners to play along simply by touching the displayed notes.
2Reliability
If a score is provided for music playback, then accurate performance can be achieved, but the device complexity and user burden increase
Solution Approach 1:
The patent replaces the mechanical approach of providing physical sheet music with a digital system that uses audio signal processing to automatically extract chord information from the background music. The processor analyzes audio data, identifies chords, and generates visual representations on the touch screen, eliminating the need for users to read or reference written scores while maintaining performance accuracy.
3Speed
If chord analysis is performed in real-time, then the responsiveness of the system improves, but the processing time and computational resources increase
Solution Approach 1:
The system performs preliminary action by pre-processing the background music track to identify and store chord progression information before the user begins playing. The processor analyzes the music file in advance, extracts chord data, and prepares visual representations of notes and chords in advance, allowing for instant responsiveness during playback without real-time computational delays.
Data Source
AI summary
A method of playing music based on chords in an electronic device is provided. The method includes identifying background music related to a piece of music to load sound source data synchronized with the background music from a memory, reproducing the background music, identifying chords corresponding to the reproduced background music in the sound source data, configuring notes corresponding to the chords as notes corresponding to touch objects displayed on the touch screen, and when the chords are changed, reconfiguring notes corresponding to the changed chords as the notes corresponding to the touch objects.