Fix division by 0 during calibration

2026-03-17 23:26:01 +08:00 · 2023-08-19 14:58:01 +03:00
parent 8557faba6e
commit 3284447d1c
1 changed files with 1 additions and 1 deletions
--- a/amodem/calib.py
+++ b/amodem/calib.py
@@ -66,7 +66,7 @@ def detector(config, src, frame_length=200):
        max_index = np.argmax(coeffs)
        freq = config.frequencies[max_index]
        rms = abs(coeffs[max_index])
-        coherency = rms / total
+        coherency = rms / total if total > 0 else 0.0
        flags = [total > 0.1, peak < 1.0, coherency > 0.99]

        success = all(flags)