Betamax video conversion to DVD and other digital formats
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Betamax:

Betamax (Beta) Logo
Betamax (also called Beta) is a consumer-level analog videocassette magnetic tape recording format developed by Sony

Launched in:  May 10, 1975
A.K.A.: Beta. Please note that the “Beta” name is also used for the professional formats Betacam, Betacam SP. Betacam SX and Digital Betacam.
Used for: Consumer and industrial analog VTRs and camcorders.
Tape Length:

Tape label

Tape length

Recording time (NTSC)

ft

m

BI

BII

BIII

L-125

125

38

15 min

30 min

45 min

L-165

166 2/3

51

20 min

40 min

60 min (1 h)

L-250

250

76

30 min

60 min (1 h)

90 min (1:30 h)

L-370

375

114

45 min

90 min (1:30 h)

135 (2:15 h)

L-500

500

152

60 min (1 h)

120 min (2 h)

180 min (3 h)

L-750

750

229

90 min (1:30 h)

180 min (3 h)

270 min (4:30 h)

L-830

833 1/3

254

100 min (1:40 h)

200 min (3:20 h)

300 min (5 h)

Magnetic tape used:  0.50 inch (12.7 mm) magnetic tape, oxide formulation.
Manufacturers: Sony, Sanyo, Toshiba, Pioneer, Murphy, Aiwa, NEC, Zenith, WEGA, Sears, Quelle and RadioShack.
Video recording: helical scan
Audio recording: Analog stereo, HI-FI (by multiplexing), and P.C.M (with encoding box) .
Variations of Betamax: Beta I, Beta II, Beta III (modes), SuperBeta, Beta ED.

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