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-rw-r--r--bindings/sim_cic3_pdm.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/bindings/sim_cic3_pdm.cc b/bindings/sim_cic3_pdm.cc
index 0368217..cb612f8 100644
--- a/bindings/sim_cic3_pdm.cc
+++ b/bindings/sim_cic3_pdm.cc
@@ -15,6 +15,8 @@ pdm2pcm_cic3(const uint8_t *pdm, int pdm_length, int16_t *pcm, int pcm_length)
Vcic3_pdm *top = new Vcic3_pdm{cp};
+ top->hpf_alpha = 240;
+
// Start clock off
top->clk = 0;