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fix: prefer offline voices in TTS; add beep + real diagnostics to test

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_speakBrowser: voice fallback now prefers localService=true (offline)
voices over cloud voices. On Android Chrome, cloud voices fail silently
when no internet. New priority: local Italian → any Italian → local
any-lang → first available → lang-only.

testTTS (browser engine):
- Plays _playCookingTimerSound('done') beep FIRST (AudioContext, always
  works) so user can confirm audio hardware/volume is working
- Checks if only cloud voices exist → shows actionable error
- Builds utterance with onerror → shows error code on failure
- Adds onstart → shows actual voice name/lang/online status on success
- 2s watchdog: if onstart never fires → 'nessuna risposta' warning
- Shows '🔊 Beep + TTS in corso...' during the test
This commit is contained in:
dadaloop82
2026-05-26 12:11:52 +00:00
parent 245d007e29
commit 875250626d
1 changed files with 54 additions and 15 deletions
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assets/js/app.js
+54 -15
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@@ -14113,17 +14113,17 @@ function _speakBrowser(text) {
utt.voice = preferred;
utt.lang = preferred.lang;
} else {
// 2. First Italian voice as fallback (avoids silent-failure on browsers with no 'it-IT' default)
const itVoice = voices.find(v => v.lang && v.lang.startsWith('it'));
if (itVoice) {
utt.voice = itVoice;
utt.lang = itVoice.lang;
} else if (voices.length > 0) {
// 3. Any available voice
utt.voice = voices[0];
utt.lang = voices[0].lang || 'it-IT';
// Prefer offline (localService) voices to avoid silent failure when no internet.
// Priority: local Italian → any Italian → local any-lang → first available → lang-only
const itLocal = voices.find(v => v.lang && v.lang.startsWith('it') && v.localService);
const itCloud = voices.find(v => v.lang && v.lang.startsWith('it'));
const anyLocal = voices.find(v => v.localService);
const chosen = itLocal || itCloud || anyLocal || voices[0];
if (chosen) {
utt.voice = chosen;
utt.lang = chosen.lang;
} else {
// 4. No voices loaded yet — set lang and let the browser decide
// No voices loaded yet — set lang and let the browser decide
utt.lang = _currentLang === 'de' ? 'de-DE' : _currentLang === 'en' ? 'en-US' : 'it-IT';
}
}
@@ -14185,21 +14185,60 @@ async function testTTS() {
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Web Speech API non supportata da questo browser.'; }
return;
}
// ── Audio beep test (AudioContext — works even if TTS is broken) ─────
_ensureAudioUnlocked();
_playCookingTimerSound('done');
// Temporarily apply form values for the test
const s = getSettings();
const voiceName = document.getElementById('setting-tts-voice')?.value;
s.tts_voice = voiceName || s.tts_voice;
s.tts_rate = parseFloat(document.getElementById('setting-tts-rate')?.value) || 1;
s.tts_rate = parseFloat(document.getElementById('setting-tts-rate')?.value) || 1;
s.tts_pitch = parseFloat(document.getElementById('setting-tts-pitch')?.value) || 1;
saveSettingsToStorage(s);
// Diagnostic: surface paused/no-voices state to user
// Diagnostic: surface problems before attempting TTS
const voices = window.speechSynthesis.getVoices();
if (!voices.length) {
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Nessuna voce disponibile nel browser. Installa un pacchetto vocale nelle impostazioni del sistema operativo.'; }
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Nessuna voce disponibile — installa un pacchetto vocale nelle impostazioni di sistema.'; }
return;
}
_speakBrowser('Test vocale EverShelf. La sintesi vocale funziona correttamente.');
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status success'; statusEl.textContent = '✅ Riproduzione in corso — controlla l\'audio del dispositivo.'; }
// Warn if only cloud voices are available (won't work offline)
const itLocal = voices.find(v => v.lang && v.lang.startsWith('it') && v.localService);
const anyLocal = voices.find(v => v.localService);
if (!itLocal && !anyLocal) {
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Solo voci cloud disponibili — la sintesi vocale offline richiede una voce locale installata sul dispositivo (es. Google Text-to-Speech → Scarica voci offline).'; }
return;
}
// onerror callback: update status if speak() fails
const _ttsErrHandler = (evt) => {
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status error'; statusEl.textContent = '❌ Errore TTS: ' + (evt.error || 'sconosciuto') + ' — prova a riavviare il browser o a cambiare voce.'; }
};
// Temporarily hook onerror via a custom utterance
const testUtt = new SpeechSynthesisUtterance('Test vocale EverShelf. La sintesi vocale funziona correttamente.');
testUtt.rate = s.tts_rate;
testUtt.pitch = s.tts_pitch;
const chosenVoice = s.tts_voice ? voices.find(v => v.name === s.tts_voice) : null;
const fallbackVoice = itLocal || voices.find(v => v.lang && v.lang.startsWith('it')) || anyLocal || voices[0];
const testVoice = chosenVoice || fallbackVoice;
if (testVoice) { testUtt.voice = testVoice; testUtt.lang = testVoice.lang; }
testUtt.onerror = _ttsErrHandler;
testUtt.onstart = () => {
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status success'; statusEl.textContent = '✅ Voce attiva: ' + (testVoice ? testVoice.name + ' (' + testVoice.lang + (testVoice.localService ? ', offline' : ', cloud') + ')' : 'default'); }
};
window.speechSynthesis.cancel();
setTimeout(() => {
if (window.speechSynthesis.paused) window.speechSynthesis.resume();
window.speechSynthesis.speak(testUtt);
// If onstart doesn't fire within 2s, show a warning
setTimeout(() => {
if (statusEl && statusEl.className.includes('success')) return; // already started
if (!statusEl?.className.includes('error')) {
statusEl.style.display = 'block';
statusEl.className = 'settings-status error';
statusEl.textContent = '❌ Nessuna risposta dalla voce — se il beep era udibile, il TTS è bloccato. Prova a ricaricare la pagina o a cambiare voce.';
}
}, 2000);
}, 50);
if (statusEl) { statusEl.style.display = 'block'; statusEl.className = 'settings-status'; statusEl.textContent = '🔊 Beep + TTS in corso...'; }
return;
}
// Server engine