Audio Token Pairing for Video Conference Device Control
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Solution Overview
Problem
Video conferencing systems face challenges in connecting personal computers with video conferencing endpoints due to issues with screen settings, interoperability, and network identification, as conventional methods like analog cables and Bluetooth are limited in functionality and compatibility.
Innovation Solution
A method involving generating a random identification token on a computer, modulating it into an audio signal, and using it to establish a communication session with a video conferencing device through a shared network, enabling control and data transfer between the two devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If analog cable connections are used to connect computers with video conferencing endpoints, then physical connection is established, but screen settings problems, interoperability issues, and connector wear occur
Solution Approach 1:
The patent replaces the mechanical cable connection system with an acoustic communication system. The computer generates identification tokens and transmits them through audio signals via its speaker, which are then captured by the video conferencing device's microphone. This eliminates the need for physical cable connections and associated mechanical wear and configuration problems.
Solution Approach 2:
The patent introduces audio signals as an intermediary medium for device identification and pairing. Instead of direct cable connections or wireless protocols requiring network awareness, the system uses modulated audio waves carrying identification tokens as a mediator to establish communication between the computer and video conferencing endpoint.
2Ease of operation
If Bluetooth is used for wireless connection, then cable wear is eliminated, but network address fetching and LAN/WAN operation are limited
Solution Approach 1:
The patent creates a universal pairing mechanism that works across different network environments (LAN, WAN, wireless) without being limited to specific protocols like Bluetooth. The audio-based identification token transmission can operate independently of network type, allowing the system to function universally across various communication infrastructures.
3Adaptability or versatility
If devices are paired through network awareness, then control and data transfer are enabled, but device identification and mutual awareness are difficult to establish
Solution Approach 1:
The patent implements preliminary action by having the computer generate and transmit its identification token through audio signals before establishing formal network communication. The video conferencing device receives and stores this token in advance, enabling subsequent control and data transfer without requiring complex mutual discovery protocols.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates seamless pairing and control of video conferencing devices with personal computers, overcoming limitations of traditional connection methods by allowing devices to identify and communicate through a shared network, enhancing mobility and functionality in video conferencing scenarios.
Implementation Method 1
modulating the identification token to an audio signal on the computer
Implementation Method 2
causing, with the computer, a speaker to emit the audio signal; receiving, at video conference device, the audio signal with a microphone
Data Source
AI summary
A method includes generating a random identification token on a computer that identifies the computer; modulating the identification token to an audio signal on the computer; causing, with the computer, a speaker to emit the audio signal receiving, at video conference device, the audio signal with a microphone associated with the video conference device; demodulating the audio signal to the identification token in the video conference device; sending at least the identification token and a unique identifier of the video conference device to the computer; and establishing a communication session through a communication network, that both the computer and video conference device are communicatively connected to, from the computer to the video conference device enabling control of, and data transfer to, the video conference device from the computer.