Fix bug with buffer clearing.

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 = 0.007;
+static DEFAULT_NOISE_FLOOR: f32 = 0.001;
 // 200ms hold at 48kHz sample rate
 static HOLD_SAMPLES_MAX: usize = 48000 / 5; // 9600 samples = 200ms
 

gui/src/imp/web.rs

@@ -237,7 +237,9 @@ fn process_audio(frame: &JsValue, processor: &mut AudioProcessor) -> TransmitSta
     let input = samples.to_vec();
     let mut output = Vec::with_capacity(input.len());
     let state = processor.process(&input, 1, &mut output);
-    samples.copy_from(&output);
+    if !output.is_empty() {
+        samples.copy_from(&output);
+    }
 
     state
 }