Multimedia Processing Resource Remote Control Signal Distribution
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Solution Overview
Problem
Multimedia content distribution networks face bandwidth limitations in mixed signal networks, requiring multiple tuners for each channel, whereas IPTV networks struggle with bidirectional communication and user preference data management.
Innovation Solution
Implementing an interactive voice response system within multimedia processing resources (MPRs) for voice command recognition and remote control command distribution, using IP protocols and telephone interfaces to manage multiple viewing areas and settings across networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple tuners are used in mixed signal networks to overcome bandwidth limitations, then channel reception capability is improved, but device complexity and cost increase
Solution Approach 1:
The MPR is designed to perform multiple functions: receiving multimedia content via network interface, processing content via decoder, and controlling program presentation devices. This multi-functionality eliminates the need for separate tuners in mixed signal networks, as the single MPR handles all channel reception and processing tasks through software-based content delivery over the network.
Solution Approach 2:
The patent replaces the mechanical hardware-based tuner system with a software-based network content delivery system. Instead of using multiple physical tuners to receive different channels, the system uses IP protocols to deliver content over the network to the MPR, which then processes and distributes it to presentation devices.
2Ease of manufacture
If infrared signals are used for remote control communication, then simple implementation is achieved, but signal distribution across multiple viewing areas is limited
Solution Approach 1:
The MPR acts as an intermediary device between the remote control and the program presentation devices. The remote control sends commands to the MPR, which then processes these commands and controls the appropriate presentation devices. This mediator approach allows a single remote control to control multiple devices across different viewing areas without requiring direct line-of-sight infrared communication with each device.
Solution Approach 2:
The system transitions from direct infrared communication in a single dimension (line-of-sight between remote and device) to network-based communication adding another dimension (through the MPR and network infrastructure). This allows remote control signals to be distributed across multiple viewing areas through the network infrastructure rather than requiring direct infrared paths.
3Ease of operation
If separate MPRs are deployed for each viewing area, then independent control is improved, but system complexity and management difficulty increase
Solution Approach 1:
The patent combines multiple MPR functions into a single centralized MPR that can control multiple program presentation devices across different viewing areas. Instead of deploying separate MPRs for each area, one MPR is merged with the capability to manage multiple devices, reducing system complexity while maintaining independent control through software-based device management and command routing.
Data Source
AI summary
Signals from a remote control device may be received in a first viewing area and retransmitted to a second viewing area to control customer premises equipment (CPE) devices in the second viewing area. In some embodiments, signals are translated for compatibility with the CPE devices in the second viewing area. A repeater in the first viewing area may receive infrared signals encoded with a remote control command and retransmit the remote control command with an RF signal to a receiver in the second viewing area. The repeater may be incorporated into a multimedia processing resource such as a set-top box.