Data Stream Fingerprint Verification for Advertisement Insertion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing data transmission systems lack effective methods to verify the accuracy and integrity of data streams, particularly in scenarios where data streams are preempted or overwritten, such as during advertisement insertion in TV broadcasts, leading to potential errors in content delivery.
Innovation Solution
A method and apparatus that generate and compare fingerprints of data streams before and after transmission, using a fingerprint generator, comparator, and error generator to detect and signal any discrepancies within predetermined parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If data streams are preempted or overwritten during transmission, then local advertisements can be inserted into the broadcast, but data integrity and transmission accuracy deteriorate
Solution Approach 1:
The system generates a fingerprint of the original national advertisement data before it is preempted by local advertisements. This preliminary fingerprint is stored and later used to verify whether the local advertisement was correctly inserted and whether the original content can be properly restored after the advertisement break.
Solution Approach 2:
The system implements a feedback mechanism where the generated fingerprint of transmitted data is compared with the stored original fingerprint. This comparison provides feedback on whether data integrity was maintained during the preemption process, allowing the system to detect and signal any transmission errors or unauthorized modifications.
2Measurement precision
If fingerprints are generated and compared for every data stream, then transmission accuracy verification improves, but system complexity and processing time increase
Solution Approach 1:
The system extracts only the essential identifying features of the data stream into a compact fingerprint representation. Instead of comparing entire data streams or complex metadata, the system uses these condensed fingerprints to achieve accurate verification with minimal processing overhead and system complexity.
Solution Approach 2:
The system transforms the verification problem from comparing large amounts of raw data to comparing compact fingerprint parameters. This parameter transformation maintains high verification accuracy while dramatically reducing computational complexity and processing requirements.
Data Source
AI summary
The present invention verifies the transmission of a data stream, such as an advertisement, to a receiver in a data network, such as a television set in a cable television network. In particular, the present invention develops and stores a data stream fingerprint prior to transmission of the data stream. During transmission of the data stream, a verifier compiles the fingerprint from the transmitted data stream and compares it to the pre-developed and stored fingerprint. If the fingerprint signal characteristics are within predetermined parameters, the transmission is considered successful.