From 605d2350ea9af44c038ad11280d6d70d5d4d9a9f Mon Sep 17 00:00:00 2001
From: Doug McLain <doug@nostar.net>
Date: Mon, 14 Feb 2022 12:32:07 -0500
Subject: [PATCH] Fix gain adjust and remove debug output

---
 Controller.cpp | 4 ++--
 DV3000.cpp     | 2 --
 DVSIDevice.cpp | 2 +-
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/Controller.cpp b/Controller.cpp
index 1b42e1c..4acaf4e 100644
--- a/Controller.cpp
+++ b/Controller.cpp
@@ -25,8 +25,8 @@
 #include "TranscoderPacket.h"
 #include "Controller.h"
 
-#define AMBE_GAIN 0 //dB I use -6 here
-#define AMBE2_GAIN 0 //dB I use 6 here
+#define AMBE_GAIN 12 //Encoder gain in dB (I use 12 here)
+#define AMBE2_GAIN -12 //Encoder gain in dB (I use -12 here)
 
 CController::CController() : keep_running(true) {}
 
diff --git a/DV3000.cpp b/DV3000.cpp
index cd67fb0..8da0a1b 100644
--- a/DV3000.cpp
+++ b/DV3000.cpp
@@ -63,8 +63,6 @@ bool CDV3000::SendAudio(const uint8_t /*channel*/, const int16_t *audio, const i
 	p.payload.audio3k.num_samples = 160U;
 	const uint32_t g = abs(gain);
 	
-	std::cerr << "SendAudio() gain == " << gain << std::endl;
-	
 	for (int i=0; i<160; i++){
 		if(gain < 0){
 			p.payload.audio3k.samples[i] = htons(audio[i] / g);
diff --git a/DVSIDevice.cpp b/DVSIDevice.cpp
index 245b2dd..190bd41 100644
--- a/DVSIDevice.cpp
+++ b/DVSIDevice.cpp
@@ -38,7 +38,7 @@
 
 int16_t calcGainVal(float db)
 {
-	float ratio = powf(10.0, (db/10.0));
+	float ratio = powf(10.0, (db/20.0));
 	
 	if(db < 0){
 		ratio = (1/ratio) * (-1);