768 lines
31 KiB
HTML
768 lines
31 KiB
HTML
<!DOCTYPE html>
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<html lang="it">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="Cache-Control" content="no-store, no-cache, must-revalidate, max-age=0">
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<meta http-equiv="Pragma" content="no-cache">
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<meta http-equiv="Expires" content="0">
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<title>Lyngvo — Итальянский тренажёр произношения</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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body { background: #f8f8fa; font-family: sans-serif; }
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#app { max-width:900px; margin:20px auto; background:#fff; border-radius:12px; box-shadow:0 2px 12px #0001; padding:24px 32px; }
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textarea { width:100%; font-size:1.2em; border-radius:6px; border:1px solid #ccc; padding:8px; }
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button { font-size:1em; padding:8px 18px; border-radius:6px; border:none; background:#2a7cff; color:#fff; cursor:pointer; }
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button:disabled { background:#ccc; cursor:not-allowed; }
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#score { font-size:1.5em; margin:12px 0; }
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#diff { font-size:1.2em; line-height:1.8; }
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#history { display:flex; flex-wrap:wrap; gap:4px; margin-top:6px; }
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#history span { font-size:0.85em; background:#e8e8f0; padding:3px 10px; border-radius:12px; cursor:pointer; }
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#history span:hover { background:#d0d0e0; }
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.phonetics { font-size:0.85em; color:#666; margin-top:6px; display:flex; gap:16px; flex-wrap:wrap; }
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.recItem { display:flex; align-items:center; gap:8px; padding:4px 8px; background:#f0f0f5; border-radius:8px; margin:4px 0; }
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.recItem button { font-size:0.8em; padding:4px 10px; }
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</style>
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</head>
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<body>
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<div id="app">
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<h1>🇮🇹 Lyngvo <span style="font-size:0.5em;color:#aaa" id="ver"></span> <span style="font-size:0.35em;color:#999;font-weight:normal">тренажёр итальянского произношения · для Google Chrome</span></h1>
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<div style="font-size:0.8em;color:#666;margin-bottom:14px;white-space:nowrap">
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1. Введите фразу → 2. ▶ Эталон (прослушайте) → 3. 🎙 Записать (произнесите) → 4. 📊 Сравнить
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</div>
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<textarea id="inputText" rows="3" placeholder="Введите итальянское слово или фразу..."></textarea>
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<div id="history"></div>
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<div style="margin:12px 0; display:flex; gap:8px; flex-wrap:wrap">
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<button id="btnTTS">▶ Эталон</button>
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<button id="btnRecord">🎙 Записать</button>
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<button id="btnPlayUser" disabled>🔊 Ваш голос</button>
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<button id="btnCompare" disabled>📊 Сравнить</button>
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<button id="btnStereo" disabled>🎧 Стерео</button>
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</div>
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<div id="status" style="color:gray; font-size:0.9em"></div>
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<div id="micBar" style="height:12px; background:#e0e0e0; border-radius:6px; margin:8px 0; overflow:hidden; display:none">
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<div id="micFill" style="height:100%; width:0%; background:#4caf50; border-radius:6px; transition:width 0.08s"></div>
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</div>
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<div id="score"></div>
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<div id="diff"></div>
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<div id="translation" style="font-size:0.9em;color:#555;margin-top:8px"></div>
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<div id="recHistory" style="margin-top:16px;font-size:0.85em"></div>
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</div>
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<script>
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const GROQ_API_KEY = '';
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let mediaRecorder, audioChunks = [], userAudioBlob = null, ttsText = '';
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let isRecording = false, isAnalyzing = false, micAnalyser = null, micAnimId = null;
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let recordStartTime = 0, recordDuration = 0;
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// ---------- Версия ----------
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const VERSION = 'v51';
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document.getElementById('ver').textContent = VERSION;
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// ---------- Перевод на русский (Groq) ----------
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async function translateToRussian(text) {
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if (!GROQ_API_KEY) return;
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try {
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const res = await fetch('https://proxy.kube5s.ru/openai/v1/chat/completions', {
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method: 'POST',
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headers: { 'Authorization': `Bearer ${GROQ_API_KEY}`, 'Content-Type': 'application/json' },
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body: JSON.stringify({
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model: 'llama-3.3-70b-versatile',
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messages: [{ role: 'user', content: 'Переведи на русский одним словом или фразой: ' + text }],
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max_tokens: 50,
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temperature: 0
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})
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});
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const data = await res.json();
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if (data.choices?.[0]?.message?.content) {
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document.getElementById('translation').textContent = '🇷🇺 ' + data.choices[0].message.content;
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}
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} catch(e) { /* тихо */ }
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}
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// ---------- История записей (IndexedDB) ----------
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function openRecDB() {
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return new Promise((resolve, reject) => {
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const req = indexedDB.open('lyngvo_recs', 1);
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req.onupgradeneeded = () => { req.result.createObjectStore('recs', { keyPath: 'id', autoIncrement: true }); };
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req.onsuccess = () => resolve(req.result);
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req.onerror = () => reject(req.error);
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});
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}
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function syllabifyIT(w) {
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const isV = c => 'aeiouàèéìíòóùú'.includes(c.toLowerCase());
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const onset = s => /^(str|scr|spr|spl|bl|br|cl|cr|dr|fl|fr|gl|gn|gr|pl|pr|sc|sk|sl|sm|sn|sp|sq|sr|st|sv|tr|ch|gh)/i.test(s);
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let out = [], syl = '', i = 0;
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while (i < w.length) {
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syl += w[i];
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if (isV(w[i])) {
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let j = i + 1, cons = '';
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while (j < w.length && !isV(w[j])) cons += w[j++];
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if (j < w.length && cons.length > 0) {
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const k = cons.length === 1 ? 0 : onset(cons.slice(1)) ? 1 : Math.floor(cons.length / 2);
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syl += cons.slice(0, k);
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out.push(syl); syl = '';
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i += k;
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}
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}
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i++;
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}
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if (syl) out.push(syl);
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return out.join('-');
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}
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function syllabifyPhrase(text) {
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return text.split(/\s+/).map(syllabifyIT).join(' ');
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}
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async function saveTranscription(id, text) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readwrite');
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const store = tx.objectStore('recs');
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const rec = await new Promise(r => { const req = store.get(id); req.onsuccess = () => r(req.result); });
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if (rec) { rec.transcription = text; store.put(rec); }
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await new Promise(r => { tx.oncomplete = r; });
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renderRecHistory();
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} catch(e) { /* тихо */ }
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}
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async function saveRecording(blob, word, duration) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readwrite');
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const store = tx.objectStore('recs');
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store.add({ word, duration, blob, ts: Date.now() });
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// Удаляем старые если > 10
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const all = await new Promise(r => { const req = store.getAll(); req.onsuccess = () => r(req.result); });
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if (all.length > 10) {
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const toDelete = all.sort((a,b) => a.ts - b.ts).slice(0, all.length - 10);
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for (const rec of toDelete) store.delete(rec.id);
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}
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await new Promise(r => { tx.oncomplete = r; });
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renderRecHistory();
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} catch(e) { /* тихо */ }
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}
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async function loadRecordings() {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readonly');
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const store = tx.objectStore('recs');
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const all = await new Promise(r => { const req = store.getAll(); req.onsuccess = () => r(req.result); });
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return all.sort((a,b) => b.ts - a.ts);
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} catch(e) { return []; }
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}
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async function renderRecHistory() {
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const recs = await loadRecordings();
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const div = document.getElementById('recHistory');
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if (!recs.length) { div.innerHTML = ''; return; }
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div.innerHTML = '<div style="color:#999;margin-bottom:4px">📼 История записей (выберите для стерео):</div>' +
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recs.map(r => {
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const d = new Date(r.ts);
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const time = d.toLocaleTimeString('ru-RU', {hour:'2-digit',minute:'2-digit'});
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return '<div class="recItem">' +
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'<span style="cursor:pointer" onclick="document.getElementById(\'inputText\').value=\'' +
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r.word.replace(/'/g, "\\'") + '\';ttsText=\'' + r.word.replace(/'/g, "\\'") + '\'">' + r.word + '</span>' +
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'<span style="color:#999">' + time + ' · ' + r.duration.toFixed(1) + 'с</span>' +
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'<button onclick="playRec(' + r.id + ')">▶</button>' +
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'<button onclick="stereoRec(' + r.id + ')">🎧</button>' +
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'<button onclick="compareRec(' + r.id + ')">📊</button>' +
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(r.transcription ? '<span style="color:#aaa;font-size:0.82em;margin:0 4px">' + syllabifyPhrase(r.transcription) + '</span>' : '') +
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'<button onclick="deleteRec(' + r.id + ')" style="background:#e44;padding:4px 8px">🗑</button>' +
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'</div>';
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}).join('');
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}
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async function deleteRec(id) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readwrite');
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tx.objectStore('recs').delete(id);
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await new Promise(r => { tx.oncomplete = r; });
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renderRecHistory();
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} catch(e) { /* тихо */ }
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}
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async function compareRec(id) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readonly');
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const store = tx.objectStore('recs');
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const rec = await new Promise(r => { const req = store.get(id); req.onsuccess = () => r(req.result); });
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if (rec?.blob) {
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document.getElementById('inputText').value = rec.word;
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const tr = await doCompare(rec.blob, rec.word, rec.duration);
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if (tr) saveTranscription(id, tr);
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}
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} catch(e) { setStatus('Ошибка загрузки записи.'); }
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}
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async function stereoRec(id) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readonly');
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const store = tx.objectStore('recs');
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const rec = await new Promise(r => { const req = store.get(id); req.onsuccess = () => r(req.result); });
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if (rec?.blob) {
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document.getElementById('inputText').value = rec.word;
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await playStereo(rec.word, rec.blob);
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// после стерео — сравнение
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const tr = await doCompare(rec.blob, rec.word, rec.duration);
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if (tr) saveTranscription(id, tr);
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}
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} catch(e) { setStatus('Ошибка загрузки записи.'); }
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}
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async function doCompare(blob, originalText, duration) {
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if (isAnalyzing) return '';
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isAnalyzing = true;
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const startTime = Date.now();
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const timerId = setInterval(() => {
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const elapsed = ((Date.now() - startTime) / 1000).toFixed(1);
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setStatus('Анализ... ' + elapsed + 'с');
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}, 150);
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let whisperResult, phon;
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try {
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[whisperResult, phon] = await Promise.all([
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transcribe(blob),
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phoneticAnalysis(blob)
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]);
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} catch(e) {
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clearInterval(timerId);
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isAnalyzing = false;
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setStatus('Ошибка анализа.');
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return '';
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}
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clearInterval(timerId);
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const phonEmoji = phon.phonScore >= 85 ? '🟢' : phon.phonScore >= 60 ? '🟡' : '🔴';
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let recHTML = '', diffHTML = '';
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if (whisperResult.text) {
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const _transcribed = whisperResult.text;
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const { score, words } = compareTexts(originalText, whisperResult.text);
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const recEmoji = score >= 90 ? '🟢' : score >= 70 ? '🟡' : '🔴';
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recHTML = recEmoji + ' Распознание: <b>' + score + '%</b> | 🗣 <i>' + whisperResult.text + '</i> | ';
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diffHTML =
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'<div style="margin:6px 0;font-size:0.8em;color:#999">' +
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'📋 Текст: зелёный ≥80%, жёлтый ≥50%, красный <50%' +
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'</div>' +
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renderDiff(words);
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} else {
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recHTML = '';
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diffHTML = '';
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}
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document.getElementById('score').innerHTML =
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recHTML + phonEmoji + ' Произношение: <b>' + phon.phonScore + '%</b>';
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document.getElementById('diff').innerHTML = diffHTML +
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'<div class="phonetics">' +
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'<span>🎵 Тон: ' + phon.pitchHz + ' Hz</span>' +
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'<span>📏 Стабильность: ' + phon.pitchStability + '%</span>' +
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'<span>� Артикуляция: ' + phon.voiceClarity + '%</span>' +
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'</div>';
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setStatus('Готово.');
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isAnalyzing = false;
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return whisperResult.text || '';
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}
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async function playRec(id) {
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try {
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const db = await openRecDB();
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const tx = db.transaction('recs', 'readonly');
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const store = tx.objectStore('recs');
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const rec = await new Promise(r => { const req = store.get(id); req.onsuccess = () => r(req.result); });
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if (rec?.blob) {
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const url = URL.createObjectURL(rec.blob);
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const audio = new Audio(url);
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await new Promise((resolve, reject) => {
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audio.onended = () => { URL.revokeObjectURL(url); resolve(); };
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audio.onerror = () => { URL.revokeObjectURL(url); reject(); };
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audio.play();
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});
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// после воспроизведения — сравнение
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const tr = await doCompare(rec.blob, rec.word, rec.duration);
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if (tr) saveTranscription(id, tr);
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}
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} catch(e) { /* тихо */ }
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}
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// ---------- История фраз (localStorage) ----------
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const HIST_KEY = 'lyngvo_phrases';
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function loadHistory() {
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try { return JSON.parse(localStorage.getItem(HIST_KEY)) || []; }
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catch { return []; }
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}
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function saveToHistory(text) {
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let hist = loadHistory().filter(t => t !== text);
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hist.unshift(text);
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hist = hist.slice(0, 5);
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localStorage.setItem(HIST_KEY, JSON.stringify(hist));
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renderHistory();
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}
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function renderHistory() {
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const hist = loadHistory();
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const div = document.getElementById('history');
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if (!hist.length) { div.innerHTML = ''; return; }
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div.innerHTML = hist.map(t =>
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'<span onclick="var v=\'' + t.replace(/'/g, "\\'") +
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'\';document.getElementById(\'inputText\').value=v;ttsText=v;renderHistory()">' + t + '</span>'
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).join('');
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}
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renderHistory();
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renderRecHistory();
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// ---------- Фонетический анализ ----------
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function phoneticAnalysis(blob) {
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return new Promise((resolve) => {
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const reader = new FileReader();
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reader.onload = async (e) => {
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try {
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const ctx = new (window.OfflineAudioContext || window.webkitOfflineAudioContext)(1, 1, 44100);
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const buf = await ctx.decodeAudioData(e.target.result);
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const data = buf.getChannelData(0);
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const sr = buf.sampleRate;
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const len = data.length;
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const frameSize = Math.floor(sr * 0.025); // 25ms
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const step = Math.floor(frameSize / 2); // 12.5ms, 50% overlap
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const numFrames = Math.max(1, Math.floor((len - frameSize) / step));
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// Покадровые: RMS-энергия и ZCR
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const rmsArr = new Float32Array(numFrames);
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const zcrArr = new Float32Array(numFrames);
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for (let fi = 0; fi < numFrames; fi++) {
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const s = fi * step;
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let rmsSum = 0, zcr = 0;
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for (let i = s; i < s + frameSize; i++) {
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rmsSum += data[i] * data[i];
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if (i > s && (data[i] >= 0) !== (data[i - 1] >= 0)) zcr++;
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}
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rmsArr[fi] = Math.sqrt(rmsSum / frameSize);
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zcrArr[fi] = zcr / frameSize * sr; // пересечений/сек
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}
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// Адаптивный порог энергии (40% от среднего RMS)
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let meanRms = 0;
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for (let fi = 0; fi < numFrames; fi++) meanRms += rmsArr[fi];
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meanRms /= numFrames;
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const energyThresh = Math.max(0.005, meanRms * 0.4);
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// Детекция voiced-кадров + питч (только на voiced)
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const pitches = [];
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let voicedCount = 0;
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for (let fi = 0; fi < numFrames; fi++) {
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if (rmsArr[fi] > energyThresh) {
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voicedCount++;
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const p = pitchFrame(data, fi * step, frameSize, sr);
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if (p > 70 && p < 450) pitches.push(p);
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}
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}
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const voiceRatio = voicedCount / numFrames;
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// 1. Стабильность питча — MAD (robust к выбросам, реалистичный диапазон)
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let pitchHz = 0, pitchStability = 0;
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if (pitches.length >= 5) {
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const sorted = [...pitches].sort((a, b) => a - b);
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const median = sorted[Math.floor(sorted.length / 2)];
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const mad = pitches.map(p => Math.abs(p - median)).sort((a, b) => a - b)[Math.floor(pitches.length / 2)];
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const relMad = (mad / median) * 100; // % от медианы
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// <8% отлично, 8-20% хорошо, 20-35% приемлемо, >42% плохо
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pitchStability = Math.round(Math.max(0, Math.min(100, 100 - relMad * 2.5)));
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pitchHz = Math.round(median);
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}
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// 2. Артикуляция — ZCR voiced-кадров (чёткость согласных)
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const vzArr = [];
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for (let fi = 0; fi < numFrames; fi++) {
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if (rmsArr[fi] > energyThresh) vzArr.push(zcrArr[fi]);
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}
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let articulationScore = 40;
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if (vzArr.length > 0) {
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const mzc = vzArr.reduce((a, b) => a + b, 0) / vzArr.length;
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// Итальянская речь: 300-1800 ZCR/сек — норма для voiced
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articulationScore = Math.round(Math.max(0, Math.min(100,
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mzc < 150 ? mzc / 1.5 :
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mzc < 500 ? 60 + (mzc - 150) / 350 * 20 :
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mzc < 1800 ? 80 + (mzc - 500) / 1300 * 18 :
|
||
mzc < 3000 ? 98 - (mzc - 1800) / 1200 * 40 :
|
||
Math.max(0, 58 - (mzc - 3000) / 1000 * 20)
|
||
)));
|
||
}
|
||
|
||
// 3. Качество окончания (последние 22% записи)
|
||
// Итальянские слова заканчиваются на гласную → конец должен быть voiced
|
||
const endStart = Math.floor(numFrames * 0.78);
|
||
let endVoiced = 0;
|
||
const endTotal = numFrames - endStart;
|
||
for (let fi = endStart; fi < numFrames; fi++) {
|
||
if (rmsArr[fi] > energyThresh) endVoiced++;
|
||
}
|
||
const endingScore = endTotal > 0
|
||
? Math.round(Math.min(100, (endVoiced / endTotal) * 125))
|
||
: 50;
|
||
|
||
// 4. Ясность голоса (оптимальный voiceRatio 0.45-0.70)
|
||
const clarityScore = Math.round(
|
||
voiceRatio < 0.05 ? 0 :
|
||
voiceRatio < 0.35 ? voiceRatio / 0.35 * 50 :
|
||
voiceRatio < 0.65 ? 50 + (voiceRatio - 0.35) / 0.30 * 45 :
|
||
voiceRatio < 0.82 ? 95 - (voiceRatio - 0.65) / 0.17 * 15 :
|
||
Math.max(40, 80 - (voiceRatio - 0.82) / 0.18 * 40)
|
||
);
|
||
|
||
// Итоговый балл
|
||
const hasSpeech = voiceRatio > 0.08;
|
||
const phonScore = hasSpeech ? Math.round(
|
||
pitchStability * 0.30 +
|
||
articulationScore * 0.25 +
|
||
clarityScore * 0.25 +
|
||
endingScore * 0.20
|
||
) : 0;
|
||
|
||
resolve({ pitchHz, pitchStability, voiceClarity: articulationScore, phonScore });
|
||
} catch (err) {
|
||
resolve({ pitchHz: 0, pitchStability: 0, voiceClarity: 0, phonScore: 0 });
|
||
}
|
||
};
|
||
reader.readAsArrayBuffer(blob);
|
||
});
|
||
}
|
||
|
||
// Нормированная автокорреляция для одного кадра
|
||
function pitchFrame(data, start, len, sr) {
|
||
const n = len;
|
||
let e0 = 0;
|
||
for (let i = 0; i < n; i++) e0 += data[start + i] * data[start + i];
|
||
if (e0 < 1e-8) return 0;
|
||
|
||
const minLag = Math.floor(sr / 400);
|
||
const maxLag = Math.min(n - 1, Math.floor(sr / 70));
|
||
let bestR = 0, bestLag = 0;
|
||
|
||
for (let lag = minLag; lag <= maxLag; lag++) {
|
||
let num = 0, e1 = 0, e2 = 0;
|
||
const m = n - lag;
|
||
for (let i = 0; i < m; i++) {
|
||
const a = data[start + i], b = data[start + i + lag];
|
||
num += a * b;
|
||
e1 += a * a;
|
||
e2 += b * b;
|
||
}
|
||
const den = Math.sqrt(e1 * e2);
|
||
const r = den > 0 ? num / den : 0;
|
||
if (r > bestR) { bestR = r; bestLag = lag; }
|
||
}
|
||
|
||
return bestR > 0.30 ? sr / bestLag : 0; // порог (energy pre-filter снижает ложные срабатывания)
|
||
}
|
||
|
||
function setStatus(msg) { document.getElementById('status').textContent = msg; }
|
||
function enable(id, val) { document.getElementById(id).disabled = !val; }
|
||
|
||
// ---------- Индикатор микрофона ----------
|
||
function startMicMeter(stream) {
|
||
try {
|
||
const ctx = new (window.AudioContext || window.webkitAudioContext)();
|
||
const src = ctx.createMediaStreamSource(stream);
|
||
micAnalyser = ctx.createAnalyser();
|
||
micAnalyser.fftSize = 256;
|
||
src.connect(micAnalyser);
|
||
const bar = document.getElementById('micBar');
|
||
const fill = document.getElementById('micFill');
|
||
bar.style.display = 'block';
|
||
fill.style.width = '0%';
|
||
const data = new Uint8Array(micAnalyser.frequencyBinCount);
|
||
function tick() {
|
||
if (!micAnalyser) return;
|
||
micAnalyser.getByteFrequencyData(data);
|
||
const max = Math.max(...data);
|
||
const pct = Math.min(100, Math.round(max / 255 * 100));
|
||
fill.style.width = pct + '%';
|
||
fill.style.background = pct > 70 ? '#ff5722' : pct > 30 ? '#ff9800' : '#4caf50';
|
||
micAnimId = requestAnimationFrame(tick);
|
||
}
|
||
tick();
|
||
} catch(e) {
|
||
console.warn('Mic meter:', e);
|
||
}
|
||
}
|
||
|
||
function stopMicMeter() {
|
||
if (micAnimId) cancelAnimationFrame(micAnimId);
|
||
micAnimId = null;
|
||
micAnalyser = null;
|
||
document.getElementById('micBar').style.display = 'none';
|
||
}
|
||
|
||
// ---------- TTS ----------
|
||
function playTTS(text) {
|
||
return new Promise((resolve) => {
|
||
const utter = new SpeechSynthesisUtterance(text);
|
||
utter.lang = 'it-IT';
|
||
utter.rate = 0.9;
|
||
const voices = speechSynthesis.getVoices();
|
||
const it = voices.find(v => v.lang.startsWith('it'));
|
||
if (it) utter.voice = it;
|
||
utter.onend = resolve;
|
||
utter.onerror = resolve;
|
||
speechSynthesis.cancel();
|
||
speechSynthesis.speak(utter);
|
||
});
|
||
}
|
||
|
||
// ---------- Запись ----------
|
||
async function startRecording() {
|
||
const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
|
||
// Индикатор запускаем ПОСЛЕ получения stream
|
||
startMicMeter(stream);
|
||
audioChunks = [];
|
||
// Проверяем поддержку кодеков
|
||
let mimeType = 'audio/webm;codecs=opus';
|
||
if (!MediaRecorder.isTypeSupported(mimeType)) {
|
||
mimeType = 'audio/webm';
|
||
if (!MediaRecorder.isTypeSupported(mimeType)) {
|
||
mimeType = ''; // default
|
||
}
|
||
}
|
||
const opts = mimeType ? { mimeType } : {};
|
||
mediaRecorder = new MediaRecorder(stream, opts);
|
||
mediaRecorder.ondataavailable = e => { if (e.data.size > 0) audioChunks.push(e.data); };
|
||
mediaRecorder.onstop = () => {
|
||
stopMicMeter();
|
||
recordDuration = (Date.now() - recordStartTime) / 1000;
|
||
userAudioBlob = new Blob(audioChunks, { type: mimeType || 'audio/webm' });
|
||
stream.getTracks().forEach(t => t.stop());
|
||
enable('btnCompare', true);
|
||
enable('btnStereo', true);
|
||
enable('btnPlayUser', true);
|
||
const btn = document.getElementById('btnRecord');
|
||
btn.textContent = '🎙 Записать';
|
||
btn.disabled = false;
|
||
isRecording = false;
|
||
setStatus('Запись завершена. ' + recordDuration.toFixed(1) + 'с · ' + (userAudioBlob.size/1024).toFixed(1) + ' KB');
|
||
if (ttsText) saveRecording(userAudioBlob, ttsText, recordDuration);
|
||
else {
|
||
const t = document.getElementById('inputText').value.trim();
|
||
if (t) saveRecording(userAudioBlob, t, recordDuration);
|
||
}
|
||
};
|
||
mediaRecorder.start(100); // собираем чанки каждые 100ms
|
||
recordStartTime = Date.now();
|
||
setStatus('Идёт запись...');
|
||
}
|
||
|
||
function stopRecording() {
|
||
if (mediaRecorder && mediaRecorder.state === 'recording') {
|
||
mediaRecorder.stop();
|
||
}
|
||
}
|
||
|
||
// ---------- Кнопка Запись ----------
|
||
document.getElementById('btnRecord').onclick = async function () {
|
||
const btn = this;
|
||
if (isRecording) {
|
||
btn.disabled = true;
|
||
stopRecording();
|
||
return;
|
||
}
|
||
try {
|
||
isRecording = true;
|
||
btn.textContent = '■ Стоп';
|
||
await startRecording();
|
||
} catch (err) {
|
||
let msg = '⛔ ';
|
||
if (err.name === 'NotAllowedError') msg += 'Доступ к микрофону запрещён. Нажмите на замочек 🔒 в адресной строке → Микрофон → Разрешить.';
|
||
else if (err.name === 'NotFoundError') msg += 'Микрофон не найден. Подключите микрофон.';
|
||
else if (err.name === 'NotReadableError') msg += 'Микрофон занят другим приложением.';
|
||
else msg += 'Ошибка: ' + (err.message || err.name);
|
||
setStatus(msg);
|
||
btn.textContent = '🎙 Записать';
|
||
isRecording = false;
|
||
}
|
||
};
|
||
|
||
// ---------- Воспроизведение своей записи ----------
|
||
document.getElementById('btnPlayUser').onclick = async () => {
|
||
if (!userAudioBlob) return setStatus('Нет записи!');
|
||
if (userAudioBlob.size === 0) return setStatus('Запись пустая!');
|
||
const url = URL.createObjectURL(userAudioBlob);
|
||
const audio = new Audio(url);
|
||
audio.volume = 1.0;
|
||
audio.onended = () => { URL.revokeObjectURL(url); setStatus('Готово.'); };
|
||
audio.onerror = () => { URL.revokeObjectURL(url); setStatus('Ошибка воспроизведения.'); };
|
||
setStatus('🔊 Ваша запись...');
|
||
try {
|
||
await audio.play();
|
||
} catch (err) {
|
||
URL.revokeObjectURL(url);
|
||
setStatus('Ошибка воспроизведения — нажмите ещё раз.');
|
||
return;
|
||
}
|
||
// после воспроизведения — сравнение
|
||
const original = document.getElementById('inputText').value.trim();
|
||
if (original && userAudioBlob) {
|
||
await doCompare(userAudioBlob, original, recordDuration);
|
||
}
|
||
};
|
||
|
||
async function transcribe(blob) {
|
||
if (!GROQ_API_KEY) return { text: '', error: 'no_key' };
|
||
const tStart = performance.now();
|
||
|
||
const base64 = await new Promise((resolve, reject) => {
|
||
const reader = new FileReader();
|
||
reader.onload = () => {
|
||
const b64 = reader.result;
|
||
if (typeof b64 !== 'string') reject(new Error('not string'));
|
||
else resolve(b64.split(',')[1] || b64);
|
||
};
|
||
reader.onerror = reject;
|
||
reader.readAsDataURL(blob);
|
||
});
|
||
|
||
console.log('[WS] b64=' + (base64.length/1024).toFixed(1) + 'KB');
|
||
|
||
return new Promise((resolve) => {
|
||
let settled = false;
|
||
const done = (r) => { if (settled) return; settled = true; try { ws.close(); } catch(e){} resolve(r); };
|
||
|
||
const payload = JSON.stringify({ token: GROQ_API_KEY, audio_b64: base64, mime: blob.type || 'audio/webm' });
|
||
const ws = new WebSocket('wss://proxy.kube5s.ru/ws');
|
||
const timeout = setTimeout(() => { console.log('[WS] timeout'); done({ text: '', error: 'timeout' }); }, 60000);
|
||
|
||
// Полинг readyState — onopen может не сработать если WS открылся до присвоения
|
||
const trySend = () => {
|
||
if (settled) return;
|
||
const st = ws.readyState;
|
||
if (st === WebSocket.OPEN) {
|
||
try { ws.send(payload); console.log('[WS] sent'); } catch(e) { console.log('[WS] send err:', e); done({ text: '', error: 'network' }); }
|
||
return;
|
||
}
|
||
if (st === WebSocket.CONNECTING) { setTimeout(trySend, 20); return; }
|
||
// CLOSING or CLOSED
|
||
console.log('[WS] aborted, state=' + st);
|
||
clearTimeout(timeout);
|
||
done({ text: '', error: 'network' });
|
||
};
|
||
|
||
ws.onopen = trySend;
|
||
// Если WS уже открыт — onopen не вызовется, trySend сам отработает
|
||
trySend();
|
||
|
||
ws.onmessage = (e) => {
|
||
clearTimeout(timeout);
|
||
const data = JSON.parse(e.data);
|
||
console.log('[WS] ← ' + ((performance.now()-tStart)/1000).toFixed(2) + 's → ' + (data.text||'(empty)'));
|
||
done(data.error ? { text: '', error: data.error } : { text: data.text || '', error: null });
|
||
};
|
||
|
||
ws.onerror = () => { console.log('[WS] error'); clearTimeout(timeout); done({ text: '', error: 'network' }); };
|
||
ws.onclose = (e) => {
|
||
console.log('[WS] close code=' + e.code);
|
||
// close может прийти раньше onmessage — даём фору 500ms
|
||
setTimeout(() => {
|
||
if (!settled) { clearTimeout(timeout); done({ text: '', error: 'network' }); }
|
||
}, 500);
|
||
};
|
||
});
|
||
}
|
||
|
||
function normalize(text) {
|
||
return text.toLowerCase().replace(/[.,!?;:«»"'’]/g, '').trim();
|
||
}
|
||
|
||
// ---------- Нечёткое сравнение (Левенштейн) ----------
|
||
function levenshtein(a, b) {
|
||
const m = a.length, n = b.length;
|
||
const dp = Array.from({length: m+1}, (_,i) => [i]);
|
||
for (let j=0; j<=n; j++) dp[0][j] = j;
|
||
for (let i=1; i<=m; i++)
|
||
for (let j=1; j<=n; j++)
|
||
dp[i][j] = a[i-1] === b[j-1] ? dp[i-1][j-1] : 1 + Math.min(dp[i-1][j], dp[i][j-1], dp[i-1][j-1]);
|
||
return dp[m][n];
|
||
}
|
||
|
||
function wordSimilarity(a, b) {
|
||
// 0..1 где 1 = идентично
|
||
const maxLen = Math.max(a.length, b.length);
|
||
if (maxLen === 0) return 1;
|
||
const dist = levenshtein(a, b);
|
||
return 1 - dist / maxLen;
|
||
}
|
||
|
||
function compareTexts(original, transcribed) {
|
||
const a = normalize(original).split(/\s+/);
|
||
const b = normalize(transcribed).split(/\s+/);
|
||
let totalScore = 0;
|
||
const result = a.map(word => {
|
||
let best = 0, bestMatch = '';
|
||
for (const t of b) {
|
||
const sim = wordSimilarity(word, t);
|
||
if (sim > best) { best = sim; bestMatch = t; }
|
||
}
|
||
totalScore += best;
|
||
// ok=зелёный (≥80%), near=жёлтый (≥50%), bad=красный
|
||
const quality = best >= 0.8 ? 'ok' : best >= 0.5 ? 'near' : 'bad';
|
||
return { word, quality, bestMatch, score: Math.round(best*100) };
|
||
});
|
||
const score = Math.round((totalScore / a.length) * 100);
|
||
return { score, words: result };
|
||
}
|
||
|
||
function renderDiff(words) {
|
||
return words.map(({ word, quality, bestMatch, score }) => {
|
||
const color = quality === 'ok' ? 'green' : quality === 'near' ? '#e6a800' : 'red';
|
||
const tip = quality !== 'ok' ? ` → ${bestMatch} (${score}%)` : '';
|
||
return `<span style="color:${color}; font-weight:bold">${word}</span><span style="color:#888; font-size:0.85em">${tip}</span>`;
|
||
}).join(' ');
|
||
}
|
||
|
||
async function playStereo(ttsText, userBlob) {
|
||
// Простой вариант: параллельно TTS и user audio, pan через Web Audio API
|
||
const ctx = new AudioContext();
|
||
// User audio
|
||
const userURL = URL.createObjectURL(userBlob);
|
||
const userAudio = new Audio(userURL);
|
||
const userSource = ctx.createMediaElementSource(userAudio);
|
||
const userPan = ctx.createStereoPanner();
|
||
userPan.pan.value = 1;
|
||
userSource.connect(userPan).connect(ctx.destination);
|
||
// TTS
|
||
await playTTS(ttsText);
|
||
userAudio.play();
|
||
setStatus('Стерео-воспроизведение: левое ухо — эталон, правое — ваш голос');
|
||
}
|
||
|
||
document.getElementById('btnTTS').onclick = async () => {
|
||
ttsText = document.getElementById('inputText').value.trim();
|
||
if (!ttsText) return setStatus('Введите текст!');
|
||
saveToHistory(ttsText);
|
||
translateToRussian(ttsText);
|
||
setStatus('🔊 Эталон...');
|
||
await playTTS(ttsText);
|
||
setStatus('Готово.');
|
||
};
|
||
|
||
document.getElementById('btnCompare').onclick = async () => {
|
||
if (!userAudioBlob) return setStatus('Нет записи!');
|
||
const original = document.getElementById('inputText').value.trim();
|
||
await doCompare(userAudioBlob, original, recordDuration);
|
||
};
|
||
document.getElementById('btnStereo').onclick = async () => {
|
||
const text = document.getElementById('inputText').value.trim();
|
||
if (!text) return setStatus('Введите текст для эталона!');
|
||
if (!userAudioBlob) return setStatus('Нет записи! Нажмите 🎙 Записать.');
|
||
await playStereo(text, userAudioBlob);
|
||
// после стерео — сравнение
|
||
const original = document.getElementById('inputText').value.trim();
|
||
if (original && userAudioBlob) {
|
||
await doCompare(userAudioBlob, original, recordDuration);
|
||
}
|
||
};
|
||
</script>
|
||
</body>
|
||
</html>
|