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Why are there so many different connectors on my DVD player?

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If you've purchased a DVD player, you may be wondering what all those connectors on the back are for. Find out what all those DVD connectors do.

How are movies stored on DVD discs?

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How are movies stored on DVD discs? Learn about storage capacity, data compression and the Moving Picture Experts Group (MPEG).

What is the difference between DVD-audio and CDs?

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What is the difference between DVD-audio and CDs? It all has to do with their sampling rate.

Is the sound on vinyl records better than on CDs or DVDs?

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I hear people saying that vinyl records have a better sound quality than CDs or even DVDs. How can this be?

How Blu-ray Discs Work

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Blu-ray discs provide huge storage capacity for high definition movies. Learn about Blu-ray discs, how they work, and Blu-ray competitors.

How Slingbox Works

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Slingbox allows you to to watch your cable TV, TiVo or DVD player when we're away from home. See how Slingbox works and how to set it up.

How Holographic Versatile Discs Work

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Holographic memory systems offer more storage capacity and faster transfer rates than CDs and DVDs, but they've also been too expensive and complex to mass produce. Learn how the holographic versatile disc (HVD) has improved upon previous methods of holographic storage.

How to Recycle, Reuse and Rid Yourself of VHS Tapes

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When VHS was big, I collected movies. I had a giant collection spanning several shelves, then a new device came out called a DVD player. Learn more about how to recyclem reuse and rid yourself of VHS tapes.

How CDs Work

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Before compact discs, you had to rewind and fast-forward to get to a particular bit of information. Not so with digital storage -- the CD makes pinpointing data a split-second task. Find out how CDs (and CD-ROMs, CD-Rs, CD-RWs) hold and let you retrieve information.

How Analog and Digital Recording Works

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Learn about analog and digital recording and shop for related products.

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