Service Guide Content Advisory Ratings Decoding
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Solution Overview
Problem
Existing service guide technologies for mobile broadcast services lack effective methods for decoding and rendering content advisory ratings, particularly in a manner that accommodates multiple rating systems and regions, leading to insufficient information for appropriate viewer rendering.
Innovation Solution
A method for decoding a service guide associated with a video bitstream that includes receiving content advisory ratings elements, which specify rating regions, dimensions, and values, allowing for the appropriate rendering of content advisory information in a format suitable for different rating systems and regions, using XML schema and binary syntax to provide detailed rating information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If content advisory ratings are provided in detailed formats (XML schema and binary syntax) with multiple rating systems and regions, then the information completeness and accuracy for content suitability is improved, but the decoding complexity and processing requirements increase
Solution Approach 1:
The content advisory ratings information is segmented into multiple independent elements including region identifier, rating description, rated dimensions, rating dimension, and rating value. Each element can be processed and rendered independently, allowing the system to handle detailed multi-region rating information without overwhelming complexity in a single decoding process.
Solution Approach 2:
The patent employs different encoding formats (XML schema and binary syntax) to represent the same rating information, allowing parameter transformation between formats. This enables the system to adapt the level of detail and complexity based on processing requirements, maintaining information completeness while managing decoding complexity through format selection.
2Adaptability or versatility
If multiple rating systems and regions are supported with detailed rating dimensions, then the adaptability and versatility of the service guide is improved, but the processing time and decoding speed decrease
Solution Approach 1:
The service guide pre-identifies and pre-processes rating region information, allowing the receiving device to determine which rating elements are relevant before full decoding. This preliminary action enables faster processing by filtering out unnecessary rating information for unsupported regions, maintaining multi-region adaptability while improving decoding speed.
Solution Approach 2:
The system dynamically adjusts the level of detail and processing depth based on the target region and device capabilities. When rendering for specific regions, the system selectively processes only the necessary rating dimensions and regions, creating a dynamic decoding process that maintains versatility while optimizing speed for each specific use case.
3Measurement precision
If comprehensive rating information including region identifiers and multiple dimensions is included, then the accuracy of content suitability assessment is improved, but the data size and transmission overhead increase
Solution Approach 1:
The patent applies different levels of detail to different parts of the rating information based on local requirements. Essential rating elements (region identifier, rating description) are included with full detail for accuracy, while optional or region-specific dimensions are included only when necessary, maintaining rating accuracy for critical assessments while reducing overall data size.
Solution Approach 2:
The service guide uses a universal rating information structure that can serve multiple functions: region identification, content suitability assessment, and device capability matching. This multi-functional approach allows comprehensive rating data to be efficiently transmitted and processed, as the same data structure serves multiple purposes rather than requiring separate data streams for each function.
Data Source
AI summary
A method for decoding a service guide associated with a video bitstream comprising: receiving a fragment within said service guide; receiving content advisory ratings element; said content advisory ratings element includes at least one of a region identifier, a rating description, a rated dimensions, a rating dimensions value, a rating dimension and a rating value; and decoding said service guide.