Networked Sound Masking System Centralized Control
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Solution Overview
Problem
Existing sound masking systems for workstations lack consistent coverage and centralized control, leading to variations in sound masking levels and inadequate privacy, as individually controllable units do not allow for overall system control or timer functions.
Innovation Solution
A networked sound masking system with individually controllable modules connected through a central control unit, allowing zone administration and centralized control, enabling consistent sound masking distribution and user-defined settings via a computer interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If individually controllable sound masking units are deployed at each workstation, then each user can control their own sound masking level, but consistent coverage and uniform sound masking levels across the entire space cannot be achieved
Solution Approach 1:
The system divides the sound masking function into two independent controllable layers: individual workstation units and centralized facility control. Each workstation has its own sound masking unit that can be individually adjusted, while simultaneously being part of a larger networked system governed by centralized policies and timer functions. This segmentation allows both individual autonomy and system-wide consistency to coexist.
Solution Approach 2:
The centralized control unit receives status information from individual workstation units and can send control commands back to them. This feedback mechanism enables the centralized system to monitor and adjust individual units to maintain consistent sound masking levels across the facility, while still allowing individual users to operate within defined parameters.
2Ease of operation
If individually controllable sound masking units are used, then user autonomy is improved, but overall system control and facility-wide coordination are lost
Solution Approach 1:
The control architecture is segmented into two independent layers: individual workstation control and centralized facility control. This allows user autonomy at the workstation level while maintaining system-wide coordination through the centralized control unit that operates independently but can influence individual units when needed.
Solution Approach 2:
The system merges individual workstation control capabilities with centralized facility control into a unified networked system. Both control modes operate simultaneously and can interact, combining the benefits of user autonomy with system-wide coordination without requiring a choice between them.
3Adaptability or versatility
If individually controllable sound masking units are deployed, then local adaptability is improved, but centralized management functions such as timer control are unavailable
Solution Approach 1:
The control functions are segmented into local workstation-level controls for immediate adaptability and centralized facility-level controls for timer functions and policy management. This segmentation allows both local adaptability and centralized management to operate independently and simultaneously without conflict.
Solution Approach 2:
The sound masking units are designed with multi-functionality to serve both as individually controllable local devices and as networked components subject to centralized control. Each unit can operate autonomously for local adaptability while simultaneously accepting centralized commands for timer control and facility-wide management.
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
Ensures consistent sound masking across workstations, provides user control over privacy settings, and enables centralized management of sound masking levels and schedules, enhancing acoustic comfort and privacy.
Implementation Method 1
Sound masking systems operate on the principle of masking, which involves generating a background sound in a given area. The background sound has the effect of limiting the ability to hear two sounds of similar sound pressure level and frequency simultaneously.
Data Source
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AI summary
A sound masking system and method for providing sound masking in networked workstations or offices. The sound masking system comprises a communication network, a plurality of sound masking devices adapted to emit a sound masking signal, and a remote controller. One or more of the sound masking devices includes a controller, and the controller includes an interface for receiving information from the communication network and a component for controlling or adjusting output characteristics associated with the sound masking signal, such as volume. The controller includes a component responsive to a user input for setting or varying output characteristics associated with the sound masking signal.