Integrated Wall-Mounted Audio Control Node for Multi-Room Systems
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Solution Overview
Problem
Current multi-room audio distribution systems are limited by a fixed number of inputs, requiring a large matrix switch and multiple external tuner source components to allow each room to tune into different stations, making them impractical for large facilities with many rooms.
Innovation Solution
An integrated wall-mounted control point node with a control processor, command signal generator, audio signal tuner, amplifier, and speaker terminal, which allows users to select and control audio signals from various sources, including network and local signals, and includes features like power supplementation and remote control capabilities via a control surface and external devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed number of inputs are used with external tuner source components in a multi-room system, then each room can reproduce sound from different sources, but the system requires a large matrix switch and multiple external tuners, making it impractical for large facilities with many rooms
Solution Approach 1:
The patent combines the tuner, amplifier, and control point node into a single integrated unit. This merging eliminates the need for separate matrix switches and multiple external tuner components, as each integrated node independently receives and processes audio signals from multiple sources including radio tuners, network inputs, and local devices, thereby reducing overall system complexity while maintaining versatile audio source selection capability across multiple rooms
Solution Approach 2:
The integrated control point node performs multiple functions within a single device: it includes a radio tuner for receiving broadcast signals, a network interface for digital audio streaming, an amplifier for signal amplification, and a control interface for user interaction. This multi-functionality replaces the need for separate dedicated components for each function, reducing the number of devices required in large multi-room installations
2Adaptability or versatility
If multiple external tuner source components are deployed to allow each room to tune into different stations, then audio versatility is improved, but system installation and control complexity increases significantly
Solution Approach 1:
The tuner functionality is merged into the control point node housing, eliminating the need for separate external tuner components in each room. The integrated design includes a radio tuner, amplifier, and control interface in a single unit that can be mounted in a standard electrical box, significantly simplifying installation compared to deploying multiple separate components throughout the facility
Solution Approach 2:
Each integrated control point node operates independently with its own tuner and amplifier, allowing rooms to tune to different stations autonomously without requiring a centralized matrix switch for signal distribution. This self-service capability simplifies both installation and ongoing system management
3Productivity
If a centralized matrix switch and amplifier system is used, then audio signal distribution to multiple rooms is achieved, but the system requires extensive wiring and control infrastructure
Solution Approach 1:
The audio distribution system is segmented into independent control point nodes distributed throughout the facility, each handling its own audio signal processing and amplification. This segmentation eliminates the need for a centralized matrix switch and complex wiring infrastructure, as each node independently receives audio signals from multiple sources including network inputs and local devices, distributing audio efficiently without requiring extensive centralized control infrastructure
Data Source
AI summary
An integrally mounted control point node for use in an audio distribution system and including a control processor for receiving command signals and providing audio control signals to response thereto; a command signal generator for producing the command signals in response to activation by a user of the system; a terminal for receiving a plurality of audio signals; an audio signal tuner for receiving the control signals and the audio signals; an amplifier receiving an output signal from the tuner and the control signals from the control processor; and a speaker terminal for transmitting the output signal to a speaker.