DV camera compression

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2 total messages Started by Bolek Tue, 30 Dec 2003 12:58

#532

Author: Bolek
Date: Tue, 30 Dec 2003 12:58

7 lines
1194 bytes

Hi,

is the data that a (mini)DV camera sends to the computer over Firewire 
compressed or not? If compressed, what compression is used? And do you 
have any idea how the data is stored on the tape in the camera?

Thanks

Re: DV camera compression

#538

Author: Julio Farias
Date: Sat, 17 Jan 2004 17:23

10 lines
1305 bytes

>is the data that a (mini)DV camera sends to the computer over Firewire 
>compressed or not? If compressed, what compression is used?

Look in Google for 'DV25' format. http://dvdrhelp.com is also a place
to go for help on this.

Basically the format is a kind of DCT (discrete cosine transform)
scheme. It is on tape and is preserved on transfer to files.

Regards

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