17 Analogue Noise Reduction
(See also Section 3 and Figure 8)
Noise masking is an essential part of good noise reduction systems. Figure 81 illustrates sine-wave masking at 65 dBA SPL.
Figure 81 Sine-wave masking at 65 dBA SPL (courtesy of Ehmer (1959))
Figure 82 (a) Elementary compander, (b–d) the dynamic response of its compressor
Characteristics are shown in Figure 83.
Figure 83 ...