diff --git a/sdrbase/audio/audiocompressor.cpp b/sdrbase/audio/audiocompressor.cpp
index 65e901cce..55235c8fe 100644
--- a/sdrbase/audio/audiocompressor.cpp
+++ b/sdrbase/audio/audiocompressor.cpp
@@ -86,15 +86,15 @@ void AudioCompressor::fillLUT2()
 
 void AudioCompressor::fillALaw()
 {
-    for (int i=-32768; i<32768; i++) {
-        m_lut[i+32768] = ALaw_Encode(i);
+    for (int i=-16384; i<16384; i++) {
+        m_lut[i+16384] = ALaw_Encode(2*i);
     }
 }
 
 void AudioCompressor::fillULaw()
 {
-    for (int i=-32768; i<32768; i++) {
-        m_lut[i+32768] = MuLaw_Encode(i);
+    for (int i=-16384; i<16384; i++) {
+        m_lut[i+16384] = MuLaw_Encode(2*i);
     }
 }
 
@@ -107,7 +107,7 @@ int16_t AudioCompressor::compress(int16_t sample)
 
 int8_t AudioCompressor::compress8(int16_t sample)
 {
-    return m_lut[sample + 32768];
+    return m_lut[sample/2 + 16384];
 }
 
 /* http://dystopiancode.blogspot.com/2012/02/pcm-law-and-u-law-companding-algorithms.html
diff --git a/sdrbase/audio/audiocompressor.h b/sdrbase/audio/audiocompressor.h
index 0e924e1f4..5ad144ad5 100644
--- a/sdrbase/audio/audiocompressor.h
+++ b/sdrbase/audio/audiocompressor.h
@@ -37,7 +37,7 @@ private:
     int8_t ALaw_Encode(int16_t number);
     int8_t MuLaw_Encode(int16_t number);
 
-    int16_t m_lut[65536];
+    int16_t m_lut[32768];
     static const uint16_t ALAW_MAX;
     static const uint16_t MULAW_MAX;
     static const uint16_t MULAW_BIAS;