Speaker Wattage Tap Recognition Using Pulse Return Signals
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional audio broadcasting systems require manual setting of power ratings for public addressing speakers, which is inefficient and may lead to improper configuration of audio output levels.
Innovation Solution
An apparatus and method for automatically recognizing wattage tap settings using a controller, wattage tap circuit, and pulse signals to identify the appropriate audio output level of public addressing speakers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual setting of power ratings is used for public addressing speakers, then the system can be configured, but the process is inefficient and may lead to improper configuration
Solution Approach 1:
The system performs self-identification of wattage tap settings through automatic detection. The controller sends test signals through the audio amplifier and transformer to measure voltage and current, automatically determining the speaker's power rating without requiring manual intervention or external measurement tools during commissioning.
Solution Approach 2:
The patent replaces manual mechanical configuration methods with an automated electrical measurement system. Instead of physically adjusting switches or dials to set power ratings, the system uses electronic test signals and automated processing to identify the correct wattage tap setting through voltage and current measurements.
2Ease of operation
If manual setting of power ratings is used, then configuration can be performed, but time consumption increases
Solution Approach 1:
The system performs preliminary automated detection during the commissioning phase to establish correct power ratings before normal operation begins. By conducting voltage and current measurements and automatically identifying wattage tap settings during initial setup, the system eliminates time-consuming manual configuration steps and establishes correct settings upfront.
Solution Approach 2:
The patent replaces time-consuming manual measurement and configuration processes with automated electronic detection. The controller automatically sends test signals, measures voltage and current through the audio amplifier and transformer, and processes this data to identify power ratings, significantly reducing commissioning time compared to manual methods.
3Productivity
If automatic recognition of wattage tap settings is implemented, then system performance is optimized, but device complexity increases
Solution Approach 1:
The controller performs multiple functions: it manages normal audio operation, sends automated test signals for detection, measures voltage and current, processes measurement data, and identifies wattage tap settings. By consolidating these diverse functions into a single controller unit, the system achieves automatic recognition capability without proportionally increasing overall system complexity.
Solution Approach 2:
The patent introduces an intermediary measurement and processing mechanism between the controller and the audio amplifier. This intermediary system uses test signals to indirectly determine power ratings through voltage and current measurements, allowing automatic recognition without requiring direct complex interaction with the audio load, thus managing complexity through a structured intermediate approach.
Data Source
AI summary
Apparatus and methods recognize a wattage tap setting of an audio device.The apparatus includes an audio load, wattage tap circuit, and controller. The wattage tap circuit has a particular wattage setting corresponding to an audio output level of the audio load. The controller sends a pulse signal to the wattage tap circuit and receives a return signal from the wattage tap circuit in response to the pulse signal.The controller identifies the particular wattage setting of the wattage tap circuit based on the return signal.