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5 drc gui, Figure 11 – Texas Instruments TAS5727 User Manual

Page 10

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Using the EVM Software

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Figure 11. Biquad GUI Window

A check mark selects the Biquad. If not selected, the Biquad is in ALL PASS Mode.

The frequency response and phase response plots for the current settings can be viewed and adjusted in
the Frequency Response and Phase Response panes of the Biquad GUI as shown in

Figure 11

. The

individual Biquad gains must be within

±

12db.

Clicking the Apply

&

Draw button sends all three banks of coefficients to the Frequency Response and

Phase response plots (providing auto bank is enabled).

3.5

DRC GUI

The TAS5727 supports 1-band and 2-band DRC. Select one of the DRC modes from the Properties
window. Then set the DRC threshold for each band by double-clicking the UPPERBAND or LOWERBAND
block and adjusting the sliders as shown in

Figure 12

.

10

TAS5727 25W Digital Input Amplifier

with EQ and 2-Band DRC

SLOU299

December 2010

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