From 048b55c4a21491413acdcc938da1abdde878f5cf Mon Sep 17 00:00:00 2001
From: Holger Wirtz <wirtz@parasitstudio.de>
Date: Wed, 4 Mar 2020 16:18:15 +0100
Subject: [PATCH] Added REDUCE_LOUDNESS_FACTOR for avoiding digital clipping.

---
 .gitignore |   3 +++
 .swp       | Bin 12288 -> 0 bytes
 config.h   |   3 ++-
 dexed.cpp  |   3 +++
 4 files changed, 8 insertions(+), 1 deletion(-)
 delete mode 100644 .swp

diff --git a/.gitignore b/.gitignore
index 259148f..b44b649 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+#
+*.swp
diff --git a/.swp b/.swp
deleted file mode 100644
index 8bde060a4a30fe917771c4f2c9e5cd9e8972a13b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 12288
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diff --git a/config.h b/config.h
index d81c821..ebd746d 100644
--- a/config.h
+++ b/config.h
@@ -96,7 +96,8 @@
 #else
 #define AUDIO_MEM 384
 #endif
-#define REDUCE_LOUDNESS 2
+#define REDUCE_LOUDNESS 0
+#define REDUCE_LOUDNESS_FACTOR 0.65
 #else // IF TEENSY_AUDIO_BOARD
 #define SGTL5000_LINEOUT_LEVEL 29
 #if AUDIO_BLOCK_SAMPLES == 64
diff --git a/dexed.cpp b/dexed.cpp
index d00c8ff..187dfdb 100644
--- a/dexed.cpp
+++ b/dexed.cpp
@@ -156,6 +156,9 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer)
 #endif
 
           float f = static_cast<float>(clip_val >> REDUCE_LOUDNESS) / 0x7fff;
+#if defined(REDUCE_LOUDNESS_FACTOR)
+          f *= REDUCE_LOUDNESS_FACTOR;
+#endif
           if (f > 1.0)
           {
             f = 1.0;