[1.26.11] Windows: look for environment variable ESPEAK-DATA-PATH for the directory which contains the espeak-data directory.

AdjustFormants(): adjust the F2 target by a factor which depends on the voice pitch.


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@55 d46cf337-b52f-0410-862d-fd96e6ae7743

src/wavegen.cpp

@@ -1110,6 +1110,8 @@ static int Wavegen()
 				hswitch = 0;
 				harmspect = hspect[0];
 				maxh2 = PeaksToHarmspect(peaks,pitch<<4,hspect[0],0);
+
+				// adjust amplitude to compensate for fewer harmonics at higher pitch
 				amplitude2 = (amplitude * pitch)/(100 << 12);
 
             // switch sign of harmonics above about 900Hz, to reduce max peak amplitude