Microsoft has defended the digital rights management systems integrated into its new Vista operating system. It follows reports that Vista would "downgrade" the quality of all video and audio, if they were not output via approved connections on the PC.
Microsoft said only the quality of "premium content" would be lowered, and only if requested by copyright holders.
The measures are in place, says the firm, to protect content such as high definition movies from being copied.
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Topic: Vista copy protection is defended (Read 543 times)