Dynamic Notification Sound Frequency Control for Age-Adaptive Audibility
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Solution Overview
Problem
Existing image-forming apparatuses struggle to output notification sounds that are easily distinguishable for users of all ages, particularly older individuals, and do not adapt to different environments or user age considerations.
Innovation Solution
An electronic device with a frequency-setting unit and notification-sound-control unit that sets an initial high frequency for notification sounds, which decreases over time, ensuring the sound remains audible and adaptable to user age and environment, including a high-frequency mode for nighttime or low-light settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a fixed high frequency is used for notification sounds, then the sound is easily distinguishable for younger users, but older individuals cannot hear it well
Solution Approach 1:
The notification sound frequency is changed from a fixed value to a dynamic value that decreases over time. The frequency starts at a high initial value and gradually lowers, allowing younger users to hear it immediately while giving older users time to perceive the sound as it transitions to lower frequencies they can detect
Solution Approach 2:
The frequency parameter of the notification sound is changed over time rather than remaining constant. The system automatically adjusts the frequency parameter from an initial high frequency downward, adapting the sound characteristics to accommodate different age groups' hearing capabilities
2Adaptability or versatility
If the notification sound frequency is lowered immediately, then older users can hear it better, but younger users may not notice it as effectively
Solution Approach 1:
The notification sound begins at a high frequency that is immediately noticeable to younger users, establishing effective notification from the start. The frequency then gradually decreases, allowing older users to perceive the sound as it transitions to lower frequencies they can hear better
3Ease of operation
If a single frequency is used for all environments, then the device is simple to operate, but it cannot adapt to nighttime or low-light settings
Solution Approach 1:
The notification sound system incorporates dynamic frequency adjustment based on environmental conditions. The frequency automatically decreases over time and can be modulated according to ambient light levels, allowing the same device to adapt to different environments like nighttime or low-light settings without requiring user reconfiguration
Data Source
AI summary
Provided is an electronic device that outputs a notification sound that takes into consideration those of older age. The electronic device is an electronic device that outputs a notification sound, and includes a frequency-setting unit and a notification-sound-control unit. The frequency-setting unit sets an initial frequency for the notification sound. The notification-sound-control unit causes the notification sound to be outputted at the initial frequency, and performs control so that the frequency of the notification sound is lowered from the initial frequency as time passes.