5.1 Audio on DigiBeta

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Paramvir Singh
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5.1 Audio on DigiBeta

Post by Paramvir Singh »

Do the Audigraphy folk have any thing to ay on this?:

You can get surround tracks onto a DigiBeta tape - but you have to use a Dolby E encoder. Dolby E is an audio encoding and decoding technology that allows up to 8 channels of audio to be compressed into a digital stream that can be stored on a standard stereo pair of audio tracks. You'll need to get this encoding done at an appropriate post production house - this is not something you can do on your home PC or Mac. The method that was recommended to me was to get your six individual surround tracks as well as your stereo master put onto a DA88 tape. Then this DA88 tape can be put through the Dolby E encoder and re-striped onto the DigiBeta tape.

DPL II processes any high quality stereo signal source into "5.1" - five separate full frequency channels (left, centre, right, left surround and right surround) plus one low-frequency-effects (deep bass) channel.

The only way to get discreet 5.1 on a DigiBeta is through Dolby E which can't be played back in theatres as it's for broadcast.

Dolby surround/PL stores surround information in any stereo track and has to be put througha matrix. SRS and DTS NEO:6 are similar.

PL2 expands on the Dolby Surround/PL 4 channel system and will let you get 5.1 audio on to the stereo track, but is still an analogue system, even though it can be stored within a digital stereo track. It is also compatible with normal PL decoders.
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