Dubbs :: Digital Formats



Digital Formats
All these formats are available at Dubbs. Other definitions can be found in the Glossary. Analogue Formats

standards	lines	composite/	comments
standards	lines	component	comments
Beta SX
	625, 525	component	Component digital ½" (12mm) - MPEG-2 - 4:2:2 recording and playback in 525 and 625 - Also replay of 525 and 625 Betacam & Beta SP
D1
	625, 525	component	Component digital ¾" (19mm) - uncompressed 601 recording - max length 94 mins - 4 digital audio channels - expensive - used mainly for commercials, graphics, titles etc.
D2
PAL, NTSC	625, 525	composite	Composite digital ¾" (19mm) - digital recording - PAL / NTSC colour coding - max length 208 mins - 4 digital audio channels - used extensively in late 90's as replacement for 1"C mainly for international distribution masters
D3
PAL	625	composite	Composite digital ½" (12mm) - digital recording - PAL / NTSC colour coding - max length 248 mins - 4 digital audio channels - used by BBC in later half of 90's as transmission format - superseded by Digi Beta by end of decade.
D5
	625	component	Component digital ½" (12mm) - uncompressed 601 recording - max length 128 mins - 4 digital audio channels - used by Channel 4 in late90's as transmission format - replaced by Digi-Beta due to high cost of hardware & media.
D7 (DVC Pro)
	625	component	Panasonic's component digital ¼" (6mm) - 5:1 compression - 4:1:1 recording - 2 digital audio channels - max length 184 mins.
D9
	625	component	JVC's component digital ½" (12mm) - 3.3:1 compressed - max tape length 124 minutes - 2 or 4 digital audio channels. Formerly Digital-S.
Digi-Beta
	625, 525	component	Component digital ½" (12mm) - 2:1 compressed 601 recording - max length 124 mins - 4 digital audio channels - most commonly used mastering & transmission format. Machines can also replay analogue Betacam and Betacam SP formats
Digital-8
	625	component	Domestic format - component digital 8mm - 5:1 compression - 4:2:0 (PAL) recording, 4:1:1 (NTSC) recording - 2 digital audio channels - max length 64 minutes
DVCam
	625, 525	component	Sony's component digital ¼" (6mm) - 5:1 compression - 4:2:0 (PAL) recording, 4:1:1 (NTSC) recording - 2 or 4 digital audio channels - max length 184 mins
IMX
	625, 525	component	Component digital ½" (12mm) - MPEG-2 - 4:2:2 recording and playback in 525 and 625 - playback of Digi Beta - Beta SX - Beta SP - Betacam in 625 and 525 both 525 and 625 - max length 184 mins
Mini-DV
	625, 525	component	Domestic format - component digital ¼" (6mm) - 5:1 compression - 4:2:0 (PAL) recording, 4:1:1 (NTSC) recording - 2 digital audio channels - max length 63 minutes