Audio Device Input Selection Unit Wireless Signal Switching
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Solution Overview
Problem
Existing audio devices with both Bluetooth reception and transmission functions face usability issues due to the need to switch between these functions, complicating settings and deteriorating usability.
Innovation Solution
An audio device with a control unit that manages switching between Bluetooth reception and transmission functions, allowing for easy selection and processing of audio signals from multiple input units, including Bluetooth, LINE input, and Wi-Fi, using a microcomputer-based control system and mobile phone remote control via Wi-Fi communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an audio device includes both Bluetooth reception function and transmission function, then the device can perform both transmission and reception of audio signals, but the reception function and transmission function cannot be operated at the same time, requiring switching between functions
Solution Approach 1:
The control unit automatically detects which function (reception or transmission) should be active based on the current operational state and input signal sources, without requiring manual user intervention for switching. The system self-manages the function selection to optimize audio signal processing.
Solution Approach 2:
The control unit is configured to advance the function switching decision-making process by pre-establishing the operational mode based on detected input signals. When an audio signal is detected from a specific input unit, the control unit proactively selects the appropriate function (reception or transmission) before the user needs to operate it, reducing operational complexity.
2Reliability
If the user is required to complete all the setting for switching between the functions of receiving and transmitting an audio signal, then the function switching can be controlled precisely, but the setting becomes complicated and usability deteriorates
Solution Approach 1:
The control unit automatically manages the switching settings between reception and transmission functions based on detected audio signal sources. The system self-adjusts the operational mode without requiring users to configure complex settings, thereby maintaining reliable function switching control while simplifying the user experience.
Solution Approach 2:
The control unit changes the operational parameters (function mode) automatically based on the detected input signal characteristics. When audio signals are detected from specific input units, the control unit modifies the system state to the appropriate function mode, eliminating the need for manual setting adjustments and reducing operational complexity.
3Ease of operation
If the reception function and transmission function are switched manually, then the user can control the function switching, but the switching process becomes time-consuming and reduces productivity
Solution Approach 1:
The control unit autonomously performs function switching between reception and transmission modes by detecting the presence and source of audio signals. This self-service approach eliminates manual switching operations, allowing the system to adapt quickly to different audio signal sources and maintain high processing efficiency without user intervention.
Solution Approach 2:
The control unit continuously monitors the input signal sources and uses this feedback information to automatically select the appropriate function mode. When audio signals are detected from specific input units, the control unit receives feedback about the signal source and automatically switches to the corresponding function, enabling rapid and efficient function switching without manual control.
Data Source
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AI summary
Provided is an audio device, including: an audio signal communication unit comprising a reception unit configured to receive an audio signal via wireless communication and a transmission unit configured to transmit an audio signal via wireless communication; a plurality of signal input units including the reception unit; an input selection unit configured to select one signal input unit from among the plurality of signal input units; a control unit configured to control switching of the input selection unit; and a signal processing unit, in which the control unit is configured to: switch, when the input selection unit has selected a signal input unit other than the reception unit, the input selection unit to the selected signal input unit and input an audio signal, which is input from the selected signal input unit, into the signal processing unit; and switch, when the reception unit has received an audio signal via wireless communication, the input selection unit from the selected signal input unit to the reception unit and input the received audio signal into the signal processing unit.