Audio Event Detection With Video Association and Camera Control
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Solution Overview
Problem
Existing systems struggle to provide comprehensive and accurate detection and analysis of audio events, often lacking integration of video data to enhance event understanding and requiring manual camera adjustments for optimal viewing.
Innovation Solution
A system comprising audio devices with integrated microphones and cameras, capable of detecting audio events, associating them with video data, and controlling camera movements for optimal viewing, while integrating machine-learning models for event classification and generating metadata for further analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If audio devices detect audio events without integrated video data, then audio event detection is simpler, but event understanding and situational awareness are incomplete
Solution Approach 1:
The patent combines audio event detection with video data association by integrating a camera system with the audio detection device. The electronic processor receives both audio signals and image data, then associates them through event metadata that links audio events with corresponding video frames, creating a unified multi-sensory event detection system.
Solution Approach 2:
The audio detection device is designed to perform multiple functions: detecting audio events, capturing video data, associating both data types through metadata, and enabling various response actions. This multi-functional approach allows a single device to provide comprehensive event detection and analysis capabilities.
2Ease of operation
If camera remains stationary, then device complexity is reduced, but optimal viewing of audio events cannot be ensured
Solution Approach 1:
The system implements feedback by using the detected audio event information to control camera positioning. The electronic processor receives audio events with location data, then sends control signals to position the camera to face the audio event location, creating a closed-loop system where detection results drive observation optimization.
Solution Approach 2:
The camera system automatically adjusts its own positioning based on audio event detection without requiring manual intervention. The device serves itself by using its own detection capabilities to guide its observation function, eliminating the need for external control.
3Productivity
If manual camera adjustment is required, then device complexity is lower, but response time and productivity are reduced
Solution Approach 1:
The system performs preliminary action by automatically positioning the camera to face the audio event location immediately upon detection. This automated preliminary positioning ensures that video data is captured from the optimal viewpoint without waiting for manual intervention, enabling faster response to events.
Solution Approach 2:
The patent replaces manual mechanical camera adjustment with an automated electronic control system. The electronic processor sends control signals to position the camera based on audio event data, substituting human-operated mechanical adjustment with automated electronic positioning for faster response.
Data Source
AI summary
Systems and methods for audio event detection. One example provides an event detection system comprising a plurality of audio devices. Each of the plurality of audio devices is configured to be communicatively coupled to a server and includes an electronic processor. The electronic processor is configured to detect, via a microphone, audio, and determine an audio event within the audio. The electronic processor is configured to receive an image from a camera, associate the image data with the audio event to generate event metadata, and transmit the event metadata, the audio, and the image to the server.