Fix band-pass max value bug

OpenAcousticDevices · Jul 17, 2024 · 17df0d0 · 17df0d0
1 parent 173aa02
commit 17df0d0
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/scripts/butterworth.js b/scripts/butterworth.js
@@ -258,6 +258,16 @@ function applyBandPassFilter (input, inputLength, output, sampleRate, freq1, fre
 
     }
 
+    if (freq2 >= sampleRate / 2) {
+
+        console.log('Applying high-pass filter as band-pass top value = Nyquist');
+
+        applyHighPassFilter(input, inputLength, output, sampleRate, freq1);
+
+        return;
+
+    }
+
     const filterCoefficients = designFilter(BUTTERWORTH_FILTER_BAND, sampleRate, freq1, freq2);
 
     const filter = {