Stabilize Reachy speech voice

app/src/game/emotions/emotionController.js

@@ -3,30 +3,40 @@ import { EMOTIONS, loadReachyEmotion } from "./emotions.js";
 import { playUrl } from "../audio.js";
 import { signed } from "../signed.js";
 
+let selectedReachyVoice = null;
+
 export function reachySay(text, reachy = null) {
   try { globalThis.dispatchEvent?.(new CustomEvent("reachy-speech-start", { detail: { text: String(text) } })); } catch { /* recording hook is optional */ }
   if (!globalThis.speechSynthesis || !globalThis.SpeechSynthesisUtterance) return Promise.resolve();
   reachy?.setWobbler?.(true, "speech");
   return new Promise((resolve) => {
-    const utterance = new SpeechSynthesisUtterance(text);
-    utterance.lang = "en-US";
+    let spoken = false;
+    const speak = () => {
+      if (spoken) return;
+      spoken = true;
+      const utterance = new SpeechSynthesisUtterance(text);
+      utterance.lang = "en-US";
+      const voices = speechSynthesis.getVoices?.() ?? [];
+      const maleHints = /david|mark|guy|daniel|alex|arthur|thomas|george|ryan|google uk english male|microsoft (david|mark|ryan)/i;
+      const voice = selectedReachyVoice ?? voices.find((candidate) => maleHints.test(candidate.name) && /^en[-_]gb/i.test(candidate.lang))
+        ?? voices.find((candidate) => maleHints.test(candidate.name) && /^en[-_]/i.test(candidate.lang))
+        ?? voices.find((candidate) => /^en[-_]gb/i.test(candidate.lang))
+        ?? voices.find((candidate) => /^en[-_]/i.test(candidate.lang));
+      if (voice) { selectedReachyVoice = voice; utterance.voice = selectedReachyVoice; }
+      utterance.pitch = 0.72;
+      utterance.rate = 0.92;
+      const done = () => { reachy?.setWobbler?.(false, "speech"); resolve(); };
+      utterance.onend = done;
+      utterance.onerror = done;
+      speechSynthesis.cancel();
+      speechSynthesis.speak(utterance);
+    };
     const voices = speechSynthesis.getVoices?.() ?? [];
-    // Prefer a stable, traditionally masculine English system voice. Voice
-    // names vary by browser/OS, so keep a small ordered set of known names
-    // and fall back to any English voice when none is installed.
-    const maleHints = /david|mark|guy|daniel|alex|arthur|thomas|george|ryan|google uk english male|microsoft (david|mark|ryan)/i;
-    const voice = voices.find((candidate) => maleHints.test(candidate.name) && /^en[-_]gb/i.test(candidate.lang))
-      ?? voices.find((candidate) => maleHints.test(candidate.name) && /^en[-_]/i.test(candidate.lang))
-      ?? voices.find((candidate) => /^en[-_]gb/i.test(candidate.lang))
-      ?? voices.find((candidate) => /^en[-_]/i.test(candidate.lang));
-    if (voice) utterance.voice = voice;
-    utterance.pitch = 1.12;
-    utterance.rate = 0.92;
-    const done = () => { reachy?.setWobbler?.(false, "speech"); resolve(); };
-    utterance.onend = done;
-    utterance.onerror = done;
-    speechSynthesis.cancel();
-    speechSynthesis.speak(utterance);
+    if (voices.length) speak();
+    else {
+      speechSynthesis.addEventListener?.("voiceschanged", speak, { once: true });
+      setTimeout(speak, 250);
+    }
   });
 }