17. a--Appendix C, page C-15
18. d--Appendix C, page C-16
With a compression ratio of 2:1, the intensity
range
between
the
compressor and expandor is one-half the companding range.
1/2 x 50 db = 25 db.
19. a--Appendix C, page C-16
20. d--Appendix C, page C-16
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