Electronic Musical Instrument Seamless External to Internal Sound Source Switching
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Solution Overview
Problem
Electronic musical instruments face disruptions in sound generation when an external sound source fails, causing a sense of incongruity for the user, as the system lacks seamless transition to an internal sound source maintaining similar acoustic characteristics.
Innovation Solution
The electronic musical instrument system includes an internal sound source, a sound generation instruction signal, and switching means to automatically switch from external to internal sound generation, setting the internal sound signal to match the external sound signal's mode, ensuring continuity and similarity in timbre.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an external sound source is used to generate acoustic signals, then sound generation capability is enhanced, but system reliability deteriorates when the external sound source fails
Solution Approach 1:
The system performs preliminary actions by pre-configuring the internal sound source with correspondence information that maps external sound source modes to internal sound source modes. When a failure is detected, the system can immediately switch to the internal sound source using pre-established mode correspondence, ensuring continuous operation without interruption.
Solution Approach 2:
The control unit acts as an intermediary that monitors the external sound source status and mediates the switching between external and internal sound sources. It detects failures, determines appropriate internal sound source modes based on correspondence information, and coordinates the transition to maintain continuous sound generation.
2Duration of action of moving object
If the system switches to internal sound source when external fails, then sound generation continuity is maintained, but timbre quality may deteriorate
Solution Approach 1:
The system changes parameters by dynamically adjusting the internal sound source's generation mode based on the detected external sound source mode. The control unit modifies parameters such as waveform type, modulation characteristics, and other audio parameters to match the external sound source's timbral characteristics, ensuring high-quality sound continuation.
Solution Approach 2:
The system uses feedback mechanisms where the control unit continuously monitors the external sound source status and adjusts the internal sound source parameters accordingly. The correspondence information serves as feedback data that guides the mode selection, ensuring the internal sound source replicates the external sound source's characteristics as accurately as possible.
3Ease of operation
If automatic switching to internal sound source is implemented, then user experience is improved, but device complexity increases
Solution Approach 1:
The system performs self-service by automatically detecting external sound source failures and initiating switching to the internal sound source without user intervention. The control unit autonomously monitors system status, determines when switching is necessary, and executes the mode change based on pre-stored correspondence information, eliminating the need for manual user input.
Solution Approach 2:
The correspondence information is preliminarily stored in the control unit before any failure occurs. This pre-configured mapping between external and internal sound source modes enables automatic switching without requiring real-time analysis or complex decision-making processes, simplifying the overall system architecture.
Data Source
AI summary
Provided is an electronic musical instrument. The electronic musical instrument is configured to generate an internal acoustic signal; generate a sound generation instruction signal; output the sound generation instruction signal to an external sound source configured to generate an external acoustic signal; switch a first state in which the external acoustic signal is generated by the external sound source in response to the sound generation instruction signal, to a second state in which the internal acoustic signal is generated in response to the sound generation instruction signal; and, when the first state is switched to the second state, set a mode of the internal acoustic signal such that the internal acoustic signal is generated with a mode having a predetermined degree of similarity to a mode of the external acoustic signal generated in the first state.