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15 Signal Processing
Figure 63 (a) bass; (b) treble
‘Tilt’ control, in which a single knob varies the relative levels of bass and treble (see Figures 65 and 66).
Figure 65 Circuit for ‘tilt’ control
Figure 66 ‘Tilt’ control frequency response
1. A compressor is a device which reduces the dynamic range of an audio signal by a controllable amount with no significant waveform distortion.
2. Threshold. The output ...