diff --git a/gui/src/effects.rs b/gui/src/effects.rs
index bd84025..b8b47d3 100644
--- a/gui/src/effects.rs
+++ b/gui/src/effects.rs
@@ -11,7 +11,7 @@ use crate::imp;
 
 static DF_MODEL: Asset = asset!("/assets/DeepFilterNet3_ll_onnx.tar.gz");
 // TODO: make this user configurable.
-static DEFAULT_NOISE_FLOOR: f32 = 0.0007;
+static DEFAULT_NOISE_FLOOR: f32 = 0.007;
 // 200ms hold at 48kHz sample rate
 static HOLD_SAMPLES_MAX: usize = 48000 / 5; // 9600 samples = 200ms
 
@@ -185,6 +185,7 @@ impl AudioProcessor {
             TransmitState::Terminator
         } else {
             // Not transmitting and below threshold - stay silent
+            output.clear(); // Don't accumulate stale audio during silence
             TransmitState::Silent
         };