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Tagged Image File Format  |  1991-12-11  |  53KB  |  1760x1837  |  1-bit (1 colors)
Labels: barrier reef | cabinet | crt screen | earth | grass | oscilloscope | sky | windowpane
OCR: ms 3.0 2.5 7.0 1.5 1.0 0.5 400 800 1200 1600 0002 2400 2800 3200 Hz Frequency CCITT 49030 Alternative Recommended Fregucncy Band with defined characteristics for Signalling System No. 6 FIGURE 1 Permissible variation of overail delav disiortion with frequency Ttrr the voice- freguency channel (Alternative if tests confirm suitability) Delay 2000 Systen distortion channcl