The simple answer is HDTV. If you've ever seen high-definition (HD) video on an HDTV, then you know just how incredibly sharp the picture is and how vivid the colors are. In fact, HD offers five times the amount of detail compared to standard-definition (SD).
The problem with today's DVDs is that they only support SD and don't have the necessary storage capacity to satisfy the needs of HD.That's where Blu-ray comes in, the disc offers up to 50GB of storage capacity allowing for playback of HD content in all of the HD resolutions including 1080p. The format also supports high-definition audio formats and lossless audio.
In addition to the greater video and audio quality, the extra storage capacity also means there will be plenty of room for additional content and special features.
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