Radio Receiver Local Metadata Fallback
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Solution Overview
Problem
Over-the-air radio broadcast systems face challenges in providing a connected radio experience when Internet access is unavailable, as they rely on internet-connected services to determine and display metadata associated with radio broadcasts.
Innovation Solution
Implementing a local, isolated, or hybrid metadata distribution system within the radio receiver that uses geographical location information to select and display stored metadata, allowing for a reduced but functional connected radio experience without an active Internet connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the radio receiver relies on internet-connected services to determine and display metadata, then the connected radio experience is enhanced, but the system fails when Internet access is unavailable
Solution Approach 1:
The patent segments the metadata distribution system into multiple independent components: internet-based metadata services, local metadata storage, and hybrid fallback mechanisms. This segmentation allows the system to operate in discrete modes (full connected service, local isolated service, or hybrid service) depending on internet availability, thereby improving reliability without requiring complete system redesign.
Solution Approach 2:
The patent implements preliminary action by pre-storing metadata locally in the radio receiver's memory before internet connectivity is lost. The system proactively caches broadcast information, station data, and program metadata in advance, enabling immediate local service continuity without waiting for internet reconnection or real-time data retrieval.
2Reliability
If a local metadata distribution system is implemented, then service can be maintained without internet access, but the feature set is reduced compared to full connected service
Solution Approach 1:
The patent implements a dynamic service architecture that automatically adapts between connected and isolated modes based on internet availability. The system dynamically switches between retrieving fresh metadata from internet services and using locally cached metadata, providing continuous service with varying feature sets. This dynamic adaptation maintains service continuity while managing the trade-off between functionality and reliability.
Solution Approach 2:
The patent applies local quality by enhancing local metadata storage with location-specific broadcast data. The system stores and retrieves metadata tailored to the receiver's geographical location, ensuring that even in isolated mode, the service provides relevant local broadcast information with full functionality for local stations, while internet connectivity enables additional remote or updated content.
3Reliability
If the radio receiver stores metadata locally, then service can continue without internet access, but memory resources are consumed
Solution Approach 1:
The patent implements partial action by storing only essential metadata locally rather than complete broadcast data. The system selectively caches critical information such as station identifiers, program titles, and basic broadcast schedules, while omitting less critical data. This partial storage approach enables offline service continuity for core functionality while minimizing memory consumption.
Solution Approach 2:
The patent changes the parameter of metadata representation by storing compressed or simplified metadata formats locally. The system transforms detailed broadcast information into compact data structures that retain essential service functionality while occupying minimal storage space, enabling offline capability with constrained memory resources.
Data Source
AI summary
A radio receiver comprises radio frequency (RF) receiver circuitry that receives a radio broadcast signal, an Internet network interface, a display, a memory, processing circuitry, and a client application including instructions for execution by the processing circuitry. The client application is configured to: determine geographic location information of the radio receiver; determine radio broadcasts that are available to the radio receiver using the geographical location information; select metadata, from metadata stored in the memory, that is associated with the radio broadcasts available to the radio receiver; and present information included in the selected metadata using the display according to the received radio broadcast signal.