From 82a74db8b16362e5d22598f58761a16171a29998 Mon Sep 17 00:00:00 2001
From: KubaPro010 <kuba.pro010@gmail.com>
Date: Sat, 31 May 2025 11:50:30 +0200
Subject: [PATCH] maybe this is wrong?

---
 dsp/bs412.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dsp/bs412.c b/dsp/bs412.c
index 1dd103e..b74ec9d 100644
--- a/dsp/bs412.c
+++ b/dsp/bs412.c
@@ -3,12 +3,12 @@
 #define LOG2_19000 log2f(19000.0f)
 
 inline float dbr_to_deviation(float dbr) {
-	return 19000.0f * powf(2.0f, dbr * 0.332193f);
+	return 19000.0f * powf(10.0f, dbr / 20.0f);
 }
 
 inline float deviation_to_dbr(float deviation) {
 	if(deviation == 0.0f) return -100.0f;
-	return 10.0f * (log2f(deviation) - LOG2_19000) * 0.30103f;
+	return 20.0f * (log2f(deviation) - LOG2_19000) * 0.30103f;
 }
 
 void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) {