Update main.ts

main.ts

@@ -21,9 +21,6 @@ async function synthesizeSpeech(model: string, voice: string, text: string) {
   let pitch = 0;
 
   if (!model.includes("Neural")) {
-    rate = 0.1;
-    pitch = 0.2;
-
     switch (model) {
       case "ava":
         voiceName = "en-US-AvaMultilingualNeural";