Video Stream Trigger Timing for Ad Insertion Preparation
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Solution Overview
Problem
Timing of trigger messages in digital video signals often fails to provide sufficient advance notice of events, such as commercial breaks or content insertion opportunities, leading to inadequate preparation time for processing and serving advertisements.
Innovation Solution
A stream conditioner modifies event trigger messages by adjusting their timing, deleting, or inserting new messages based on predefined rules, allowing more time for advertisement selection and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If trigger messages are sent close to the event time, then the video stream timing is maintained, but insufficient advance notice is provided for advertisement selection and processing
Solution Approach 1:
The system performs preliminary actions by modifying trigger messages to include extended lead times before actual advertisement insertion points. This allows the advertisement selection and processing systems to prepare in advance, improving both the advance notice provided and the overall selection efficiency.
Solution Approach 2:
The system dynamically adjusts trigger message timing based on various factors including but not limited to: time of day, day of week, event type, viewer demographics, and system processing capabilities. This dynamic modification optimizes the balance between maintaining video stream timing and providing sufficient advance notice for efficient advertisement processing.
2Duration of action of moving object
If trigger messages are modified to provide more advance notice, then preparation time for advertisements is improved, but the original timing accuracy of the video stream may be compromised
Solution Approach 1:
The system performs preliminary modification of trigger messages to extend lead times, allowing advertisement systems to prepare in advance. This preliminary action separates the timing adjustment from the actual content delivery, enabling both extended preparation time and maintained stream timing accuracy through proper buffer management and synchronization.
Solution Approach 2:
The system introduces intermediary processing layers that act as buffers between the modified trigger messages and the actual advertisement insertion. These intermediaries coordinate the timing adjustments, ensuring that the video stream maintains its original timing accuracy while providing extended preparation time for advertisement selection and processing.
3Productivity
If event trigger messages are deleted or inserted, then the advertisement selection process is optimized, but the complexity of managing timing and synchronization increases
Solution Approach 1:
The system implements feedback mechanisms that continuously monitor the impact of trigger message modifications on advertisement selection performance and timing synchronization. Based on this feedback, the system automatically adjusts processing parameters and rules, reducing the manual complexity of timing management while optimizing advertisement insertion efficiency.
Solution Approach 2:
The system manages complexity by systematically changing parameters such as lead time durations, modification thresholds, and synchronization offsets based on predefined rules and real-time conditions. This parameter-based approach standardizes the complexity management, making it more predictable and easier to control while improving advertisement insertion efficiency.
Data Source
AI summary
A data stream, such as a video stream, may comprise one or more event trigger messages indicating an upcoming event in the stream. The time (e.g., pre-roll time) between the event trigger message and its corresponding event may be modified, based on rules, to provide a network operator, service provider or downstream recipient more (or less) time to prepare for the event. This may be accomplished by moving the event trigger to an earlier (or later) location in the stream, and/or editing the event trigger to indicate the different pre-roll time.