Update main.ts

main.ts

@@ -20,9 +20,9 @@ async function synthesizeSpeech(model: string, voice: string, text: string) {
   let rate = 0;
   let pitch = 0;
 
-  if (model.includes("tts")) {
-    rate = 0.1;
-    pitch = 0.2;
+  if (!model.includes("Neural")) {
+    rate = 0.0;
+    pitch = 0.0;
 
     switch (voice) {
       case "ava":