Analog Audio Monitoring Loop for Low-Latency Vocal Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing audio monitoring systems in live performances suffer from latency, signal degradation, feedback loops, increased resource utilization, and the need for additional controllers and monitoring equipment, leading to vocal strain and reduced vocal accuracy.
Innovation Solution
An audio enhancement system with a microphone and communication device that uses a DC power source and amplifiers to maintain latency below 1.8 ms, eliminating the need for separate monitor controllers and additional equipment by processing sound signals directly in the analog domain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional audio monitoring systems with separate monitor controllers and processing equipment are used, then signal processing and monitoring capabilities are improved, but system complexity and the number of required personnel increase
Solution Approach 1:
The patent combines the microphone, DC power source, amplifiers, and communication device into an integrated audio enhancement system. This merging eliminates the need for separate monitor controllers and processing equipment, reducing system complexity while maintaining signal processing capabilities through the integrated amplifier circuitry powered by the DC source.
2Reliability
If traditional audio monitoring systems with multiple intermediaries are used, then monitoring capabilities are improved, but latency between sound reception and communication increases
Solution Approach 1:
The patent extracts and eliminates unnecessary intermediary processing stages from the traditional audio monitoring chain. By using a direct DC-powered amplifier system without multiple processing hops, the invention reduces latency while maintaining monitoring capability through the direct coupling of the microphone to the communication device.
3Ease of operation
If traditional audio monitoring systems are used, then monitoring functionality is provided, but vocal accuracy and performance quality deteriorate due to latency and feedback
Solution Approach 1:
The patent implements a direct feedback loop where the microphone captures sound and the DC-powered amplifiers immediately process and communicate the signal back to the user. This minimized feedback path eliminates the latency and degradation associated with traditional multi-stage processing, thereby improving vocal accuracy while maintaining monitoring functionality.
4Reliability
If traditional audio monitoring systems with additional equipment are used, then monitoring coverage is improved, but the number of required personnel and equipment increases
Solution Approach 1:
The patent creates a universal audio enhancement system that integrates multiple functions into a single device. The DC-powered amplifier system with microphone and communication device performs monitoring, amplification, and signal processing in one unit, eliminating the need for multiple specialized pieces of equipment and personnel while maintaining comprehensive monitoring coverage.
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
The system achieves negligible latency and eliminates signal degradation, reducing the need for additional equipment and personnel, thereby enhancing vocal accuracy and reducing vocal strain.
Implementation Method 1
A DC power source and amplifiers may be used to amplify the sound signal and return the enhanced sound directly to the source
Data Source
AI summary
An exemplary audio enhancement system substantially eliminates latency by returning audio input signals in amplified form directly in the analog domain to the source, thereby reducing signal degradation and removing redundancy from digital and analog audio transmission and processing architectures.