Texas Instruments TLV320AIC3007EVM-K - page 22

4.9.2 DAC Filters
4.9.2.1 De-emphasis Filters
4.9.2.2 DAC Digital Effects Filter
TLV320AIC3007EVM Software www.ti.com
Figure 17. DAC Filters
The de-emphasis filters used in the TLV320AIC3007 can be programmed as described in theTLV320AIC3007 data sheet, using this tab (Figure 18 ). Enter the coefficients for the de-emphasis filterresponse desired. While on this tab, the de-emphasis response is shown on the Effect Filter Responsegraph; however, note that this response is not included in graphs of other effect responses when on otherfilter design tabs.
Figure 18. De-emphasis Filters
The digital audio input stream can be routed through the digital effects filter in the codec before routing tothe DAC to allow custom audio performance. The digital effects filter cannot operate on both the ADC orDAC at the same time. The digital effects filter operation is discussed in Section 4.9.3
TLV320AIC3007EVM-K 22 SLAU286 – June 2009Submit Documentation Feedback