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/ InfoMagic Standards 1993 July / Disc.iso / ccitt / 1992 / q / figs / q552_11.tif (.png) < prev    next >
Tagged Image File Format  |  1991-12-11  |  15.7 KB  |  1656x917  |  1-bit (1 colors)
   ocr: dB 20 16 300 500 2500 3400 Hz Frequency (f) CCITT-56221 FIGURE 11/Q.552 Limits for TBRL