Online Blu-ray Tutorial - What is Blu-ray?

• Linear PCM (LPCM) - up to 8 channels of uncompressed audio. (mandatory)

• Dolby Digital (DD) - format used for DVDs, 5.1-channel surround sound. (mandatory)

• Dolby Digital Plus (DD+) - extension of Dolby Digital, 7.1-channel surround sound. (optional)

• Dolby TrueHD - lossless encoding of up to 8 channels of audio. (optional)

• DTS Digital Surround - format used for DVDs, 5.1-channel surround sound. (mandatory)

• DTS-HD High Resolution Audio - extension of DTS, 7.1-channel surround sound. (optional)

• DTS-HD Master Audio - lossless encoding of up to 8 channels of audio. (optional)

Please note that this simply means that Blu-ray players and recorders will have to support playback of these audio codecs, it will still be up to the movie studios to decide which audio codec(s) they use for their releases.

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• What exactly is Blu-ray?

• Why the name Blu-ray?

• Who developed Blu-ray?

• What Blu-ray formats are planned?

• How much data can you fit on a Blu-ray disc?

• How much video can you fit on a Blu-ray disc?

• How fast can you read/write data on a Blu-ray disc?

• What video codecs will Blu-ray support?

• What audio codecs will Blu-ray support?

• Will Blu-ray discs require a cartridge?

• Will Blu-ray require an Internet connection?

• Will Blu-ray down-convert analog outputs?

• Will Blu-ray support mandatory managed copy?

• When will I be able to buy Blu-ray products?

• What will Blu-ray products cost?

• Will Blu-ray replace DVDs?

• Will Blu-ray be backwards compatible with DVD?

• Why should I upgrade from DVD to Blu-ray?

• What is the difference between Blu-ray and DVD?

• Will Blu-ray replace VCRs?

• What about Blu-ray for PCs?