Bell & Howell test patterns: Difference between revisions
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* ''White Line Fever'' (RCA/Columbia Pictures Home Video, 1983) |
* ''White Line Fever'' (RCA/Columbia Pictures Home Video, 1983) |
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==Tapes with the |
==Tapes with the 150-second test pattern== |
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Between Q4 1984 and Q2 1987, the standard test pattern was the 150-second white screen with the 1000 Hz tone. Some tapes duplicated during this period, however, used a much longer test pattern. |
Between Q4 1984 and Q2 1987, the standard test pattern was the 150-second white screen with the 1000 Hz tone. Some tapes duplicated during this period, however, used a much longer test pattern. |
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