Audio Channel Summing and Marking for Real-Time Analysis
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Solution Overview
Problem
Existing audio content analysis systems require separate logging devices for each audio channel, leading to increased costs, complexity, and storage requirements, and lack real-time alarm activation and responsive actions.
Innovation Solution
A method and apparatus that integrates audio channel analysis, marking, and summing, using digital signal processing to extract and embed control data and spectral features into a summed audio signal, allowing for channel separation and real-time analysis without additional hardware.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate logging devices are used for each audio channel, then content analysis can be performed on separate channels, but installation and maintenance costs increase and device complexity increases
Solution Approach 1:
The patent combines multiple audio channels into a single summed audio stream for storage and processing, eliminating the need for separate logging devices for each channel. The content analysis system processes this single summed stream to extract information from all original channels, thereby reducing device complexity while maintaining analysis capability.
Solution Approach 2:
The content analysis server is designed to perform multiple functions: it receives the summed audio stream, separates the individual audio channels through signal processing, and performs content analysis on each channel. This multi-functional approach eliminates the need for dedicated separate logging devices while preserving channel-specific analysis capabilities.
2Measurement precision
If separate logging devices are used for each audio channel, then channel-specific analysis is possible, but storage space requirements increase
Solution Approach 1:
The patent merges multiple audio channels into a single summed audio stream for storage purposes. This single stream contains all channel information in superposition, significantly reducing the storage space required compared to maintaining separate recordings for each channel. The channel-specific information is recovered through signal separation during content analysis.
3Quantity of substance
If audio channels are summed into a single stream, then storage efficiency improves, but real-time alarm activation and responsive actions cannot be performed
Solution Approach 1:
The content analysis server performs preliminary processing of the summed audio stream by separating the individual audio channels and analyzing their content. Based on this analysis, it can activate alarms and trigger responsive actions in real-time when specific conditions are detected, while still maintaining the storage efficiency benefits of using a single summed stream.
Solution Approach 2:
The content analysis server acts as an intermediary between the summed audio stream and the alarm/response system. It processes the summed stream, extracts channel-specific information, and generates control signals for real-time alarm activation and responsive actions, thereby bridging the gap between efficient single-stream storage and the need for real-time channel-specific responses.
Data Source
AI summary
An apparatus and method for the analysis, marking and summing of audio channel content and control data, the apparatus and method generating a summed signal carrying combined audio content, marking and summing data in the summed signal.