Simulcast Reception Apparatus for Flexible Service Switching
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Solution Overview
Problem
Current technologies face challenges in performing simulcast operations for next-generation digital TV broadcasting, requiring more flexible methods to integrate new broadcast services with existing ones without disrupting existing services or violating regulatory guidelines.
Innovation Solution
A reception apparatus and method that includes receiver and processing circuitry to decode and display either a first or second broadcast service based on time and channel information, allowing for seamless switching between new and existing broadcast services, and a transmission apparatus to generate and transmit simulcast information for efficient channel allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If simulcast operation is performed with current broadcast service to offer new broadcast service, then service versatility is improved, but system complexity increases
Solution Approach 1:
The patent implements dynamic service switching between first and second broadcast services based on time information. The reception apparatus automatically transitions between services at specified time points, enabling flexible simulcast operation without manual intervention. This dynamic adaptation resolves the contradiction by allowing versatile service delivery while automating the complexity management.
Solution Approach 2:
The patent uses predetermined time information and channel information to prepare for service switching in advance. The reception apparatus is configured with time information indicating when to switch between broadcast services, allowing it to proactively manage service transitions. This preliminary configuration enables versatile simulcast operation while reducing operational complexity through pre-planned automation.
2Ease of operation
If automatic switching between broadcast services is implemented, then ease of operation is improved, but reliability may deteriorate due to potential switching errors
Solution Approach 1:
The patent incorporates time information as a feedback mechanism to control service switching. The reception apparatus monitors the current time against the predetermined time information and automatically switches services when the time condition is met. This time-based feedback ensures reliable, error-free switching while maintaining ease of operation through automatic control without manual intervention.
3Adaptability or versatility
If time-based service switching is implemented, then adaptability is improved, but device complexity increases due to additional control mechanisms
Solution Approach 1:
The patent enables the reception apparatus to perform self-service automatic switching based on time information. The device autonomously determines when to switch between broadcast services using its internal timekeeping and the predetermined time information, without requiring external control signals or complex management systems. This self-service approach improves adaptability while minimizing additional device complexity.
Data Source
AI summary
There is provided a reception apparatus including receiver circuitry and processing circuitry. The receiver circuitry is configured to receive a first stream that includes a first broadcast service, time information, and channel information. The first broadcast service provides a first program that is a simulcast of a second program provided by a second broadcast service. Further, the second broadcast service is included in a second stream. The processing circuitry is configured to decode for display one of the first broadcast service provided by the first stream or a second broadcast service provided by the second stream according to a time indicated by the time information included in the first stream.