Center System for Content Stream Encoding and Delivery
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Solution Overview
Problem
Content providers face high costs and labor-intensive processes when converting AV data into Internet-streamable formats for delivery, as they need to set up and manage equipment for data format conversion.
Innovation Solution
A system where customer devices compress content data using a predetermined format like MPEG2 and transmit it with order information to a center system, which decompresses and re-encodes the data for delivery in various formats to user terminals over the network, reducing the need for local equipment and expertise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If content providers set up their own equipment for data format conversion, then they can deliver content streams independently, but the cost and labor intensity increase significantly
Solution Approach 1:
The patent introduces a center system as an intermediary between content providers and user terminals. The center system provides software to customer devices for compressing content data, receives the compressed data, decompresses it, re-encodes it in various formats, and delivers it to terminals. This mediator approach allows content providers to deliver content independently while avoiding the complexity of setting up and managing their own encoding equipment.
2Manufacturing precision
If content providers use professional equipment for format conversion, then the conversion quality is ensured, but the operational complexity and personnel requirements increase
Solution Approach 1:
The patent implements self-service by providing software to customer devices that automatically compresses content data in a predetermined format (e.g., MPEG2). The center system then automatically decompresses, re-encodes, and delivers the content in various formats without requiring manual intervention from content providers. This automated workflow ensures conversion quality while maintaining operational simplicity.
3Reliability
If content data is transmitted in original format, then the data quality is preserved, but the network transmission efficiency decreases
Solution Approach 1:
The patent applies preliminary action by compressing content data into a predetermined format (such as MPEG2) before transmission to the center system. This pre-compression reduces the data size for efficient network transmission while preserving the ability to reconstruct high-quality content at the center system through decompression and re-encoding in various formats for different terminals.
Data Source
AI summary
This invention relates to an information delivery system, an information delivery method, an information processing apparatus, and an information processing method used advantageously to deliver content stream data easily, reliably and inexpensively to the general users. A personal computer 12 prepares a content file and an order form file using software provided by a center system 4, and transmits the prepared files to the center system 4 over the Internet 1. Given the order form file from a customer device 2, the center system 4 encodes a content file accordingly to generate content stream data and causes a moving picture delivery server 25 to deliver the generated stream data to user terminals 3. This invention can be applied, among others, to systems for delivering content data over the Internet.