How to Buy Digital Media Once and Get Multiple Formats

A system that lets you pay for a digital file once and download it in different formats from various providers without paying again.

What it covers

This patent describes a digital 'master key' system for media. When you buy a song or movie, the system records that you have rights to that content. It then sends an authorization signal to other content providers you didn't buy from directly. This signal tells those providers to let you download the same file in different formats—like MP3, FLAC, or different video resolutions—without you needing to pay for each version individually.

What it doesn't cover

• —Does not cover the actual conversion of file formats (transcoding).
• —Does not cover systems where the same company handles both the purchase and the file delivery.
• —Does not cover subscription-based access models where rights are time-limited.
• —Does not cover physical media purchases (e.g., buying a DVD and getting a digital code).

The clever bit

The innovation is the decoupling of the purchase transaction from the content delivery. By sending an authorization signal to a third-party provider, the system allows a central 'rights manager' to grant access across a distributed network of servers.

Why it matters

This patent was filed during the early transition from physical media to fragmented digital ecosystems. It aimed to solve the frustration of 'format lock-in,' where a user might own a song but couldn't play it on a specific device because the file format wasn't compatible. It represents an attempt to create a unified digital library across different service providers.

Real-world examples

• 1.Cross-platform digital music lockers
• 2.Cloud-based media synchronization services
• 3.Universal digital media entitlement systems