O'Reilly logo

Sound Engineer's Pocket Book, 2nd Edition by Michael Talbot-Smith

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

17  Analogue Noise Reduction

Noise Masking

(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.

image

Figure 81  Sine-wave masking at 65 dBA SPL (courtesy of Ehmer (1959))

Elementary Compander

image

Figure 82 (a)  Elementary compander, (b–d) the dynamic response of its compressor

Constant-Slope Devices

Characteristics are shown in Figure 83.

image

Figure 83 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required