Doorbell Camera Microphone Duplexing for Echo Control
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Solution Overview
Problem
Existing monitoring systems face challenges in efficiently managing communication sessions between devices with varying technological capabilities, particularly in half-duplex and full-duplex modes, leading to echo issues and operational complexity.
Innovation Solution
Systems and methods enable devices to autonomously determine target device capabilities and configure them for either half-duplex or full-duplex operation, using robust user interfaces to prevent echoes and ensure seamless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the microphone operates in half-duplex mode to simplify communication, then device complexity is reduced, but echo issues arise and communication efficiency deteriorates
Solution Approach 1:
The system dynamically switches the microphone between half-duplex and full-duplex modes based on real-time communication needs and detected echo conditions. When echo is detected, the system transitions to full-duplex mode to resolve the issue while maintaining simplicity during normal operation.
Solution Approach 2:
The patent changes the operational parameter of the microphone from fixed half-duplex to configurable full-duplex mode based on session requirements. This parameter change allows the system to adapt to different communication scenarios and eliminate echo issues when necessary.
2Productivity
If the microphone operates in full-duplex mode to enable simultaneous audio capture and playback, then communication efficiency is improved, but device complexity increases
Solution Approach 1:
The system implements dynamic mode switching between half-duplex and full-duplex based on real-time needs. The microphone operates in the simpler half-duplex mode during most communication and only switches to full-duplex when simultaneous audio capture and playback are required, thus maintaining low complexity while achieving high efficiency when needed.
3Ease of operation
If the system automatically configures microphone modes based on session parameters, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system performs self-configuration by automatically parsing session initiation messages to identify operational modes and configuring the microphone accordingly without user intervention. The device monitors its own state and adjusts the microphone mode based on detected conditions, eliminating the need for complex manual configuration interfaces.
Solution Approach 2:
The system implements feedback mechanisms where the doorbell camera monitors communication conditions and session parameters, then automatically adjusts the microphone mode based on this feedback. This closed-loop approach simplifies operation while keeping the configuration logic contained within the device.
Data Source
AI summary
A method includes operating, by a device, a microphone incorporated in the device in a half-duplex mode; receiving, by the device, a message to initiate a session with another device, the message including a parameter; parsing, by the device, the message to identify a mode of operation of the microphone based on the parameter; and adjusting, by the device, the microphone to operate in a full-duplex mode based on identification of the mode of operation.