TDA7416_11 Datasheet, PDF (16/37 Pages) STMicroelectronics – Car radio signal processor

Description of the audio processor part
TDA7416
4.4.2
Peak frequency
Figure 5 shows the four possible peak-frequencies at 200, 400, 600 and 800Hz
Figure 5. Loudness center frequencies @ Attn. = 15 dB


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4.4.3



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Loudness filter order
Different shapes of 1^st and 2^nd-order loudness
Figure 6. 1^st and 2^nd order loudness @ Attn. = 15 dB, f_P = 400 Hz


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4.4.4



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Flat mode
In flat mode the loudness stage works as a 0dB to -19dB attenuator.
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Doc ID 9837 Rev 2