Security Audio Panel Voice Detection for Faster Emergency Response
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Solution Overview
Problem
Existing security systems experience variable and potentially long response times in establishing two-way audio communication between a user and a remote control center due to sequential connection and verification of multiple audio devices, leading to uncertainties in responding to emergency events and increased risk of property damage or personal injury.
Innovation Solution
A security system that simultaneously establishes two-way audio communication sessions with multiple audio devices, identifies the device with human voice through AI-based voice recognition, and connects it to the remote server, thereby reducing response time by connecting all devices in parallel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the security system connects audio devices sequentially to establish two-way audio communication, then the system can identify the correct audio device through response verification, but the response time becomes variable and potentially long (5-74 seconds)
Solution Approach 1:
The control panel establishes communication sessions with all audio devices in advance before needing to identify the active user device. This preliminary parallel connection eliminates the sequential verification delay, as all devices are already connected and ready to respond when an emergency event occurs.
Solution Approach 2:
The system segments the audio device identification process by having each audio device independently transmit its audio data stream to the control panel simultaneously. The control panel then processes these streams in parallel using voice detection, rather than sequentially verifying each device one at a time.
2Loss of time
If the security system establishes parallel communication sessions with multiple audio devices, then the response time is reduced and consistent, but the system complexity increases
Solution Approach 1:
The system replaces manual or sequential mechanical verification processes with automated parallel electronic communication establishment. The control panel automatically manages multiple simultaneous communication sessions and uses automated voice detection algorithms to identify the active device, eliminating the need for manual sequential verification.
Solution Approach 2:
Each audio device independently transmits its audio data stream to the control panel without requiring manual intervention or sequential activation. The devices self-configure and self-identify through their audio transmissions, allowing the control panel to automatically determine which device has the active user through voice detection.
3Reliability
If the control panel waits for a response from each audio device sequentially, then it can reliably identify the correct device, but the verification process takes approximately 15 seconds per device
Solution Approach 1:
Instead of continuous sequential waiting, the system uses periodic simultaneous audio data stream transmission from all devices. The control panel periodically processes these parallel streams using voice detection, achieving both reliable identification and faster verification by processing multiple devices in each periodic cycle rather than one at a time.
Data Source
AI summary
A security system for monitoring premises, comprising: a plurality of audio devices installed at two or more different locations of the premises; a control panel communicatively coupled to each of the audio devices; and a remote server configured for two-way audio communication with the control panel and each of the audio devices; wherein in response to an emergency detected by or notified to the control panel, the system is configured to: establish, by the control panel, a two-way audio communication session with the remote server; establish, by the control panel, a two-way audio communication session with each of the plurality of audio devices; transmit, by each of the audio devices to the control panel, an audio data stream; identify, by the control panel, in response to the audio data stream from each of the audio devices, the audio device at which human voice is detected; and connect, by the control panel, the identified audio device to the remote server so as to enable two-way audio communication between the identified audio device and the remote server.