Modify the volume control profile to make the lower range slower to p…

…rogress -- seems smoother overall on a 120db (nominal) device.
feverrun · Sep 15, 2014 · 8548cdc · 8548cdc
1 parent d5fb35c
commit 8548cdc
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diff --git a/common.c b/common.c
@@ -401,7 +401,7 @@ double vol2attn(double vol, long max_db, long min_db) {
     double first_slope = -2500.0; // this is the slope of the attenuation at the high end -- 25dB for the full rotation.
     if (-range_db>first_slope)
       first_slope = range_db;
-    double lines[order][2] = {{0,first_slope},{-12,first_slope-(range_db+first_slope)/2},{-19,-range_db}};
+    double lines[order][2] = {{0,first_slope},{-5,first_slope-(range_db+first_slope)/2},{-10,-range_db}};
     int i;
     for (i=0;i<order;i++) {
       if (vol<=lines[i][0]) {

diff --git a/documents/Shairport Volume Control Transfer Function.pdf b/documents/Shairport Volume Control Transfer Function.pdf
diff --git a/documents/Source Documents/Shairport Volume Control Transfer Function.gcx b/documents/Source Documents/Shairport Volume Control Transfer Function.gcx