From 392e0bf93031e3daeaf5a6031576b2a89f846a62 Mon Sep 17 00:00:00 2001
From: dj2ls <dj2ls@protonmail.com>
Date: Wed, 12 Oct 2022 12:33:35 +0200
Subject: [PATCH] moved from sum to mean

---
 tnc/modem.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tnc/modem.py b/tnc/modem.py
index a2eef5bf..488d5ca8 100644
--- a/tnc/modem.py
+++ b/tnc/modem.py
@@ -877,11 +877,11 @@ class RF:
 
                         # Calculate audio RMS
                         # https://stackoverflow.com/a/9763652
-                        # calculate RMS every 150 cycles for reducing CPU load
+                        # calculate RMS every 50 cycles for reducing CPU load
                         rms_counter += 1
-                        if rms_counter > 150:
+                        if rms_counter > 50:
                             d = np.frombuffer(self.fft_data, np.int16).astype(np.float)
-                            static.AUDIO_RMS = int(np.sqrt((d * d).sum() / len(d)))
+                            static.AUDIO_RMS = int(np.sqrt(np.mean(d ** 2)))
                             rms_counter = 0
 
                     # Check for signals higher than average by checking for "100"