TDA7418

Description of the audioprocessor

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selected and an undesired mute would appear at the outputs. For such applications, it can

be switched in the AutoZero-Remain-Mode (Bit 6 of the subaddress-byte). If this bit is set to

high, the AutoZero will not be invoked and the old adjustment-value remains.

4.3

Loudness

There are four parameters programmable in the loudness stage:

4.3.1

Attenuation

Figure 4.

4.3.2

Peak frequency

Figure 5 shows the four possible peak-frequencies at 400, 800 and 2400Hz

Figure 5.

Loudness Center frequencies @ Attn. = 15dB