Identifying Artifact Insertion in Lossy Carrier Data
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Solution Overview
Problem
Existing systems fail to provide a simple and effective method for inserting and retrieving identifying artifacts in lossy or lossless carrier data sequences, especially in real-time, without causing humanly perceivable audio transmissions and are susceptible to environmental distortions.
Innovation Solution
A system that includes a content system, an identifying artifact insertion system, and a receiver system for real-time automated insertion and extraction of identifying artifacts into and from carrier data, using predetermined characteristics to generate a composite data sequence, allowing for verification and authentication of transactions without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital watermarking techniques are used to insert identifying information into carrier data, then verification and authentication capabilities are improved, but the carrier data appears to have audible degradations to accomplished listeners
Solution Approach 1:
The patent changes the parameter domain from phase/frequency manipulations (which cause audible degradations) to time-domain amplitude modulations. By varying amplitude at specific time intervals according to a predetermined pattern, the identifying information is inserted without creating audible distortions that would be perceived by accomplished listeners, while still enabling reliable verification and authentication.
2Loss of information
If frequency spread spectrum techniques are used to inject identification information, then time-stamp and identification data can be recovered, but the frequency spreading appears as noise in the audio carrier
Solution Approach 1:
The patent changes from frequency-domain spreading to time-domain amplitude modulation. By modulating amplitude at specific time intervals following a predetermined pattern, the identification information is embedded without creating frequency spreading that would manifest as audible noise, thus recovering information while maintaining audio quality.
Solution Approach 2:
The patent employs periodic amplitude modulations at specific time intervals to embed identification information. This periodic action at predetermined intervals allows the information to be recovered through correlation analysis while appearing as temporal variations rather than continuous noise in the audio carrier.
3Quantity of substance
If prior art identification injecting methods are used, then digital information can be imparted on carrier data, but the methods are complex and require multiple domains (phase, time, frequency)
Solution Approach 1:
The patent extracts and eliminates the unnecessary phase and frequency domain processing from prior art methods, retaining only the time-domain amplitude modulation approach. This simplification reduces device complexity while maintaining the capability to embed digital information through predetermined amplitude variation patterns.
Solution Approach 2:
The patent creates a universal time-domain amplitude modulation technique that can handle both lossy and lossless carrier data. The predetermined pattern of amplitude variations serves multiple functions: embedding identification information, providing time-stamping, and enabling verification, all through a single simplified domain rather than requiring separate phase and frequency processing.
4Reliability
If identifying artifacts are inserted into carrier data, then verification and authentication are enabled, but the insertion and retrieval processes must be real-time and automated
Solution Approach 1:
The patent implements self-service through the use of predetermined patterns and correlation analysis. The insertion system simply modulates amplitude according to a known pattern, and the retrieval system automatically detects and decodes the information through correlation with the same pattern. This eliminates the need for complex real-time analysis while enabling automated verification and authentication processes.
Data Source
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AI summary
Identifying artifacts are inserting in radio frequency broadcast data at the transmitter and retrieved at a receiver, allowing verification of the receipt of the transmitted data, authentication of transactions that use the transmitted data, or activation of processes dependent on receipt of the carrier data. A content system receives content data to serve as carrier data, and an identifying artifact insertion system inserts artifact data into the carrier data based on predetermined characteristics of the carrier data without requiring human intervention, and then generates a composite data sequence. A data transmit system connected to the identifying artifact insertion system and the content system transmits the composite data sequence. A receiver system performs real-time, automated extraction of identifying artifacts within lossy carrier data and verifies the reception of the data artifacts in the carrier data.