6.2.6.3 De-emphasis Filter Frequency Response

The CLASSD includes a de-emphasis filter which can be enabled for 32, 44.1 or 48 kHz sampling frequencies.

The response and the error generated by the digital approximation of the filter are illustrated in the following figures.

Figure 6-8. De-emphasis Filter: Frequency Response & Error (f_s = 32 kHz)

Figure 6-9. De-emphasis Filter: Frequency Response & Error (f_s = 44.1 kHz)

Figure 6-10. De-emphasis Filter: Frequency Response & Error (f_s = 48 kHz)

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