Speaker Orientation Control for Targeted Audio Delivery
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Solution Overview
Problem
Media playing devices and self-service terminals face challenges in effectively directing audio and visual content to users while protecting internal components from environmental elements and minimizing sound pollution.
Innovation Solution
The integration of a media playing device and self-service terminal design that includes a body with a display, camera, and speaker, where the speaker is positioned externally relative to the body, and a controller adjusts the speaker's orientation using camera images to face the user, ensuring targeted audio delivery and minimizing environmental exposure, while also allowing for interactive user engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the speaker is positioned externally relative to the body, then audio delivery to users is improved, but internal components are exposed to environmental elements
Solution Approach 1:
The speaker is separated from the main body and positioned externally, allowing it to be optimally oriented toward users while the main body remains protected. This segmentation enables independent placement of the speaker at locations that maximize audio delivery without compromising the protection of internal components.
Solution Approach 2:
A controller serves as an intermediary between the camera detection system and the speaker positioning system. The controller processes camera images to determine user orientation and automatically adjusts the speaker's orientation accordingly, enabling intelligent adaptive positioning without manual intervention.
2Ease of operation
If the speaker orientation is adjusted to face the user, then targeted audio delivery is improved, but device complexity increases
Solution Approach 1:
The system performs self-positioning by automatically detecting user orientation through the camera and autonomously adjusting the speaker's orientation to face the user. This self-service capability eliminates the need for manual positioning while achieving targeted audio delivery, and the automated nature reduces operational complexity despite the added functionality.
Solution Approach 2:
Manual mechanical positioning of the speaker is replaced with an automated optical-detection-and-control system. The camera captures images, the controller processes them to determine user orientation, and the speaker is automatically oriented accordingly, substituting manual mechanical adjustment with an automated sensor-based system.
3Ease of operation
If the speaker plays sound continuously, then audio coverage is improved, but energy consumption increases and noise pollution occurs
Solution Approach 1:
Instead of continuous sound playback, the system employs periodic or on-demand audio output triggered by user detection. The camera periodically detects user presence and orientation, and the speaker plays sound only when a user is detected and properly positioned, creating an intermittent operation pattern that reduces energy consumption and noise pollution while maintaining effective audio coverage when needed.
Data Source
AI summary
The present disclosure relates to a media playing device. A media playing device according to an embodiment of the present disclosure includes: a body, a speaker, and a controller. The controller is configured to, in response to a user staying at a specific position relative to the body, control the speaker to face the user's head and to play sounds. The present disclosure further relates to a self-service terminal.