Wireless Audio Volume UI for Clear Device-Level Adjustment
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Solution Overview
Problem
Users face difficulties in recognizing and adjusting the volume levels between electronic devices and external devices connected via short-range wireless communication, often resulting in unintended volume settings that can cause issues like ear shocks, as existing technologies lack clear device selection and balanced volume control mechanisms.
Innovation Solution
An electronic device with a processor and communication circuitry that transmits audio data to external devices, receives user input for volume adjustments, checks if its own volume level is within a specified range, and selectively adjusts either its own or the external device's volume level based on user input, while displaying appropriate UI elements to indicate the adjusted device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the volume adjustment function is provided for both electronic device and external device, then the user can control audio output from either device, but it becomes difficult for the user to recognize which device's volume is being adjusted
Solution Approach 1:
The patent applies visual differentiation through UI design where different devices are represented by distinct visual elements (icons, colors, or graphical indicators). When a user interacts with volume control, the system displays which device's volume is being adjusted through clear visual feedback, preventing confusion between electronic device and external device volume levels.
Solution Approach 2:
The patent introduces an intermediary UI layer that mediates between the user and multiple devices. This UI layer provides explicit indication of the target device for volume adjustment, acting as a mediator that clarifies which device will receive the volume control command, thus resolving the ambiguity.
2Measurement precision
If manual device selection is required for volume adjustment, then precise control over specific device is achieved, but the operation becomes complex and time-consuming
Solution Approach 1:
The patent implements a self-service mechanism where the system automatically determines the appropriate device for volume adjustment based on the current audio output state. Instead of requiring manual device selection, the system autonomously identifies the target device, thereby maintaining precise control while simplifying user operation.
Solution Approach 2:
The system performs preliminary identification of the target device before the user issues the volume adjustment command. By pre-determining which device should be controlled based on current audio routing, the system eliminates the need for manual device selection while ensuring precise control over the correct device.
3Speed
If the external device volume is adjusted without checking the electronic device volume level, then quick volume change is achieved, but the volume may become too high or too low contrary to user intent causing ear shock
Solution Approach 1:
The patent implements a feedback mechanism where the system checks the current volume level of the electronic device before adjusting the external device volume. This feedback loop ensures that volume adjustments are context-aware and appropriate, preventing ear shock by considering the existing volume state before making changes.
Solution Approach 2:
The system performs a preliminary check of the current volume level before executing the volume adjustment. This preliminary anti-action prevents harmful volume changes by verifying that the adjustment will result in an appropriate final volume level, thus avoiding ear shock while maintaining quick response.
Data Source
AI summary
An electronic device is provided. The electronic device includes a display, communication circuitry, and a processor operatively connected to the display and the communication circuitry, wherein the processor is configured to transmit audio data to an external device through the communication circuitry, receive a user input for adjustment of a volume level of an audio output through the external device, in response to the user input, check whether a first volume level being set in the electronic device is within a specified range, select one of the first volume level of the electronic device or a second volume level of the external device to be adjusted corresponding to the user input based on whether the first volume level being set in the electronic device is within the specified range, display a volume panel UI comprising the selected one of the first volume level or the second volume level and a graphic object indicating the one of the electronic device or the external device, when adjusting the selected one of the first volume level or the second volume level, and change the graphic object indicating the selected one of the electronic device or the external device to a graphic object indicating other of the electronic device or the external device and switch the selected one of the first volume level or the second volume level to other of the first volume level or the second volume level to be adjusted corresponding to the user input, when adjusting the other of the first volume level or the second volume level while displaying the volume panel UI.