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diff --git a/lib/HTS_engine.c b/lib/HTS_engine.c
old mode 100644
new mode 100755
index 5325426..b507226
--- a/lib/HTS_engine.c
+++ b/lib/HTS_engine.c
@@ -733,6 +733,9 @@ void HTS_Engine_save_riff(HTS_Engine * engine, FILE * fp)
HTS_fwrite_little_endian(data_37_40, sizeof(char), 4, fp);
HTS_fwrite_little_endian(&data_41_44, sizeof(int), 1, fp);
/* write data */
+
+ short peak = 0;
+
for (i = 0; i < HTS_GStreamSet_get_total_nsamples(gss); i++) {
x = HTS_GStreamSet_get_speech(gss, i);
if (x > 32767.0)
@@ -741,6 +744,14 @@ void HTS_Engine_save_riff(HTS_Engine * engine, FILE * fp)
temp = -32768;
else
temp = (short) x;
+ short sample = abs(temp);
+ if(peak < sample)
+ peak = sample;
+ }
+ float mul = (32767.0f / peak);
+ for (i = 0; i < HTS_GStreamSet_get_total_nsamples(gss); i++) {
+ x = HTS_GStreamSet_get_speech(gss, i);
+ temp = ((short) x) * mul;
HTS_fwrite_little_endian(&temp, sizeof(short), 1, fp);
}
}
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