RECORDING MEDIUM

DE602015093469T2Active Publication Date: 2026-06-03PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Filing Date
2015-11-20
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

Conventional encryption technologies for high-definition media like Blu-ray discs are complex and time-consuming, leading to increased costs and decreased response times for playback devices, making them impractical for widespread consumer use.

Method used

A playback method for encrypted video information that uses a system stream file with segments decrypted by different keys, allowing conversion to a format compatible with conventional decoders without redesign, and includes multiplexing I-pictures for rapid random access.

Benefits of technology

This approach reduces processing load and response delays in playback devices, maintaining compatibility with existing decoders while ensuring secure playback of encrypted content.

✦ Generated by Eureka AI based on patent content.
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