This Robot is used for Visa Interview practices for PhD candidates. In order to interact with this Robot smoothly, please use a laptop, desktop, or iPad. Do not use Smartphones.<\/p>\n\n\n\n\n\n
\n \n \n PhD studies: Study Plans<\/title>\n <style>\n * {\n box-sizing: border-box;\n }\n\n body {\n font-family: Arial, sans-serif;\n background-color: #f4f6f8;\n margin: 0;\n padding: 0;\n display: flex;\n flex-direction: column;\n min-height: 100vh;\n }\n\n .menu {\n width: 100%;\n background-color: #28a745;\n padding: 10px;\n text-align: center;\n box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);\n margin-bottom: 10px;\n overflow-x: auto;\n white-space: nowrap;\n }\n\n .menu a {\n color: #fff;\n text-decoration: none;\n margin: 0 10px;\n font-weight: bold;\n font-size: 14px;\n display: inline-block;\n }\n\n .menu a:hover,\n .menu a:focus {\n text-decoration: underline;\n outline: 2px dashed #fff;\n outline-offset: 4px;\n }\n\n .container {\n display: flex;\n flex-direction: column;\n align-items: center;\n padding: 10px;\n box-sizing: border-box;\n flex: 1 0 auto;\n width: 100%;\n }\n\n .image-chat-wrapper {\n display: flex;\n flex-direction: column;\n width: 100%;\n max-width: 980px;\n flex: 1;\n gap: 16px;\n }\n\n .image-container {\n flex: 1;\n text-align: center;\n margin-bottom: 15px;\n background: #ffffff;\n border-radius: 15px;\n box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);\n padding: 14px;\n }\n\n .sentence-text {\n margin: 10px 0;\n font-weight: bold;\n color: #333;\n font-size: 16px;\n }\n\n .word-box {\n margin-top: 10px;\n padding: 10px;\n background-color: #fff;\n border: 2px solid #28a745;\n border-radius: 8px;\n box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);\n font-size: 16px;\n font-weight: bold;\n color: #28a745;\n text-align: left;\n max-height: 250px;\n overflow-y: auto;\n }\n\n .chat-container {\n background-color: #28a745;\n border-radius: 15px;\n box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);\n overflow: hidden;\n display: flex;\n flex-direction: column;\n max-height: 560px;\n flex: 1;\n }\n\n .chat-header {\n background-color: #1e7e34;\n color: #fff;\n padding: 12px;\n text-align: center;\n border-bottom: 1px solid #155724;\n position: relative;\n }\n\n .chat-header h2 {\n margin: 0;\n font-size: 18px;\n }\n\n .chat-header .loader {\n position: absolute;\n right: 20px;\n top: 50%;\n transform: translateY(-50%);\n display: none;\n }\n\n .chat-messages {\n padding: 12px;\n overflow-y: auto;\n flex: 1;\n background-color: #fff;\n max-height: 320px;\n }\n\n .message {\n margin-bottom: 10px;\n padding: 10px;\n border-radius: 6px;\n font-size: 14px;\n line-height: 1.5;\n }\n\n .user-message {\n background-color: #ffc107;\n color: #fff;\n text-align: right;\n }\n\n .bot-message {\n background-color: #17a2b8;\n color: #fff;\n text-align: left;\n }\n\n .chat-input {\n display: flex;\n align-items: center;\n background-color: #c3e6cb;\n padding: 10px;\n justify-content: space-between;\n flex-wrap: wrap;\n gap: 8px;\n }\n\n .send-button, .stop-button {\n background-color: #17a2b8;\n color: #fff;\n font-weight: bold;\n border: none;\n border-radius: 5px;\n padding: 12px 16px;\n cursor: pointer;\n transition: background-color 0.3s;\n flex: 1;\n margin: 4px;\n max-width: 160px;\n font-size: 16px;\n }\n\n .stop-button {\n background-color: #dc3545;\n }\n\n .send-button:hover,\n .stop-button:hover,\n .send-button:focus,\n .stop-button:focus {\n background-color: #218838;\n outline: none;\n }\n\n .voice-selection {\n margin: 10px 0;\n width: 100%;\n max-width: 320px;\n }\n\n .voice-selection label {\n display: block;\n margin-bottom: 5px;\n font-weight: bold;\n color: #333;\n }\n\n .voice-selection select {\n width: 100%;\n padding: 8px;\n border-radius: 5px;\n border: 1px solid #ccc;\n font-size: 14px;\n }\n\n .loader {\n border: 4px solid #f3f3f3;\n border-top: 4px solid #17a2b8;\n border-radius: 50%;\n width: 20px;\n height: 20px;\n animation: spin 1s linear infinite;\n display: inline-block;\n margin-left: 10px;\n }\n\n @keyframes spin {\n 0% { transform: translateY(-50%) rotate(0deg); }\n 100% { transform: translateY(-50%) rotate(360deg); }\n }\n\n .face-panel {\n width: 100%;\n min-height: 330px;\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n background: radial-gradient(circle at center, #111 0%, #000 70%);\n border-radius: 15px;\n padding: 16px 10px;\n overflow: hidden;\n position: relative;\n }\n\n .speech-bubble {\n position: relative;\n background: white;\n color: #111;\n border-radius: 20px;\n padding: 12px 18px;\n max-width: 320px;\n opacity: 0;\n transform: translateY(10px) scale(0.92);\n transition: all 0.25s ease;\n box-shadow: 0 10px 30px rgba(255,255,255,0.08);\n margin-bottom: 12px;\n font-weight: 600;\n }\n\n .speech-bubble.visible {\n opacity: 1;\n transform: translateY(0) scale(1);\n }\n\n .speech-bubble::after {\n content: '';\n position: absolute;\n bottom: -15px;\n left: 50%;\n transform: translateX(-50%);\n border: 10px solid transparent;\n border-top-color: white;\n }\n\n .face-container {\n filter: drop-shadow(0 0 45px rgba(255,255,255,0.08));\n transition: transform 0.15s ease;\n will-change: transform;\n }\n\n .face-shell {\n transition: transform 0.2s ease;\n transform-origin: 150px 150px;\n }\n\n .eye-white,\n .pupil,\n .eyebrow,\n .mouth-path,\n .nose-path,\n .cheek,\n .tear,\n .eyelid,\n .sparkle {\n transition: all 0.18s ease;\n }\n\n @media (orientation: portrait) {\n .image-chat-wrapper {\n flex-direction: column;\n }\n .image-container, .chat-container {\n width: 100%;\n max-width: 100%;\n }\n }\n\n @media (orientation: landscape) and (min-width: 600px) {\n .image-chat-wrapper {\n flex-direction: row;\n justify-content: space-between;\n gap: 20px;\n }\n .image-container, .chat-container {\n width: 48%;\n max-width: 48%;\n }\n .word-box {\n max-height: 200px;\n }\n .chat-header h2 {\n font-size: 20px;\n }\n .message {\n font-size: 15px;\n }\n .send-button, .stop-button {\n font-size: 18px;\n padding: 14px 20px;\n max-width: 200px;\n }\n }\n\n @media (max-width: 768px) {\n .chat-header h2 {\n font-size: 16px;\n }\n .message {\n font-size: 14px;\n }\n .send-button, .stop-button {\n font-size: 16px;\n padding: 12px 16px;\n max-width: 150px;\n }\n .word-box {\n font-size: 15px;\n }\n .voice-selection select {\n font-size: 14px;\n }\n }\n\n @media only screen and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2) {\n .chat-header h2 {\n font-size: 18px;\n }\n .send-button, .stop-button {\n padding: 14px 18px;\n font-size: 16px;\n }\n .message {\n font-size: 14px;\n }\n .word-box {\n font-size: 16px;\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"menu\">\n <a href=\"https:\/\/i-cte.org\/robot\/visa-interview\/\">Interviews<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/personal-information\/\">Personal Information<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/study-plans\/\">Study Plan<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/financial-supports\/\">Financial Supports<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/academic-background\/\">Academic Background<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/location-and-purpose\/\">Location and Purpose<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/children-information\/\">Children Information<\/a>\n <\/div>\n\n <div class=\"container\">\n <div class=\"image-chat-wrapper\">\n <div class=\"image-container\">\n\n <div class=\"face-panel\">\n <div id=\"face-speech-bubble\" class=\"speech-bubble\">\n <p id=\"face-speech-text\"><\/p>\n <\/div>\n\n <div class=\"face-container\" id=\"face-container\">\n <svg width=\"300\" height=\"300\" viewBox=\"0 0 300 300\" id=\"face-svg\" aria-label=\"Expressive face\">\n <defs>\n <radialGradient id=\"faceGlow\" cx=\"50%\" cy=\"40%\" r=\"70%\">\n <stop offset=\"0%\" stop-color=\"rgba(255,255,255,0.12)\" \/>\n <stop offset=\"100%\" stop-color=\"rgba(255,255,255,0.02)\" \/>\n <\/radialGradient>\n <radialGradient id=\"cheekGlow\" cx=\"50%\" cy=\"50%\" r=\"60%\">\n <stop offset=\"0%\" stop-color=\"rgba(255,160,160,0.8)\" \/>\n <stop offset=\"100%\" stop-color=\"rgba(255,160,160,0)\" \/>\n <\/radialGradient>\n <\/defs>\n\n <g id=\"face-shell\" class=\"face-shell\">\n <ellipse cx=\"150\" cy=\"150\" rx=\"120\" ry=\"140\" fill=\"url(#faceGlow)\" stroke=\"rgba(255,255,255,0.15)\" stroke-width=\"2\"\/>\n\n <path id=\"left-eyebrow\" class=\"eyebrow\" d=\"M 60 80 Q 90 75 120 80\" fill=\"none\" stroke=\"white\" stroke-width=\"4\" stroke-linecap=\"round\"\/>\n <path id=\"right-eyebrow\" class=\"eyebrow\" d=\"M 180 80 Q 210 75 240 80\" fill=\"none\" stroke=\"white\" stroke-width=\"4\" stroke-linecap=\"round\"\/>\n\n <ellipse id=\"left-blush\" class=\"cheek\" cx=\"70\" cy=\"165\" rx=\"24\" ry=\"12\" fill=\"url(#cheekGlow)\" opacity=\"0\"\/>\n <ellipse id=\"right-blush\" class=\"cheek\" cx=\"230\" cy=\"165\" rx=\"24\" ry=\"12\" fill=\"url(#cheekGlow)\" opacity=\"0\"\/>\n\n <g id=\"left-eye-group\">\n <ellipse id=\"left-eye-white\" class=\"eye-white\" cx=\"90\" cy=\"110\" rx=\"30\" ry=\"24\" fill=\"white\"\/>\n <ellipse id=\"left-eye-lid\" class=\"eyelid\" cx=\"90\" cy=\"110\" rx=\"30\" ry=\"0\" fill=\"black\"\/>\n <circle id=\"left-pupil\" class=\"pupil\" cx=\"90\" cy=\"110\" r=\"11.5\" fill=\"black\"\/>\n <circle id=\"left-sparkle\" class=\"sparkle\" cx=\"96\" cy=\"104\" r=\"4.2\" fill=\"white\" opacity=\"0.95\"\/>\n <\/g>\n\n <g id=\"right-eye-group\">\n <ellipse id=\"right-eye-white\" class=\"eye-white\" cx=\"210\" cy=\"110\" rx=\"30\" ry=\"24\" fill=\"white\"\/>\n <ellipse id=\"right-eye-lid\" class=\"eyelid\" cx=\"210\" cy=\"110\" rx=\"30\" ry=\"0\" fill=\"black\"\/>\n <circle id=\"right-pupil\" class=\"pupil\" cx=\"210\" cy=\"110\" r=\"11.5\" fill=\"black\"\/>\n <circle id=\"right-sparkle\" class=\"sparkle\" cx=\"216\" cy=\"104\" r=\"4.2\" fill=\"white\" opacity=\"0.95\"\/>\n <\/g>\n\n <path id=\"nose\" class=\"nose-path\" d=\"M 150 140 L 142 175 Q 150 181 158 175 L 150 140\" fill=\"none\" stroke=\"white\" stroke-width=\"3\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n\n <path id=\"mouth\" class=\"mouth-path\" d=\"M 100 220 Q 150 232 200 220\" fill=\"none\" stroke=\"white\" stroke-width=\"5\" stroke-linecap=\"round\"\/>\n <ellipse id=\"mouth-inner\" cx=\"150\" cy=\"225\" rx=\"0\" ry=\"0\" fill=\"rgba(120,0,0,0.75)\" opacity=\"0\"\/>\n <rect id=\"teeth\" x=\"122\" y=\"220\" width=\"56\" height=\"10\" rx=\"4\" fill=\"white\" opacity=\"0\"\/>\n\n <path id=\"left-tear\" class=\"tear\" d=\"M 75 140 Q 69 160 75 171 Q 81 160 75 140\" fill=\"rgba(100,200,255,0)\" \/>\n <path id=\"right-tear\" class=\"tear\" d=\"M 225 140 Q 219 160 225 171 Q 231 160 225 140\" fill=\"rgba(100,200,255,0)\" \/>\n\n <g id=\"anger-veins\" opacity=\"0\">\n <path d=\"M 250 50 L 260 60 L 255 55 L 265 65\" stroke=\"#ff4444\" stroke-width=\"2.4\" fill=\"none\" \/>\n <\/g>\n <\/g>\n <\/svg>\n <\/div>\n <\/div>\n\n <div class=\"sentence-text\">Listen to the questions and respond accordingly.<\/div>\n <div id=\"word-box\" class=\"word-box\"><\/div>\n <\/div>\n\n <div class=\"chat-container\">\n <div class=\"chat-header\">\n <h2>PhD studies: Study Plans<\/h2>\n <div class=\"loader\" id=\"synthesis-loader\"><\/div>\n <\/div>\n <div class=\"chat-messages\" id=\"chat-messages\"><\/div>\n <div class=\"chat-input\">\n <div class=\"voice-selection\">\n <label for=\"voice-select\">Choose Voice:<\/label>\n <select id=\"voice-select\" aria-label=\"Select Voice\">\n <option value=\"\">Loading voices…<\/option>\n <\/select>\n <\/div>\n <button id=\"start-btn\" class=\"send-button\" aria-label=\"Start Lesson\">Start<\/button>\n <button id=\"stop-btn\" class=\"stop-button\" aria-label=\"Stop Lesson\">Stop<\/button>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <div class=\"menu\">\n <a href=\"https:\/\/i-cte.org\/robot\/visa-interview\/\">Interviews<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/personal-information\/\">Personal Information<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/study-plans\/\">Study Plan<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/financial-supports\/\">Financial Supports<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/academic-background\/\">Academic Background<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/location-and-purpose\/\">Location and Purpose<\/a>\n <a href=\"https:\/\/i-cte.org\/robot\/children-information\/\">Children Information<\/a>\n <\/div>\n\n <script>\n const questions = [\n {\n english: \"Why did you decide to pursue a PhD in the US instead of Vietnam?\",\n keywords: [\"phd\", \"us\", \"vietnam\", \"research\", \"resources\"],\n answer: \"I chose to pursue a PhD in the US because of the strong research environment, access to advanced resources, and opportunities to collaborate with international scholars.\"\n },\n {\n english: \"What motivates you to pursue doctoral research in language education?\",\n keywords: [\"motivation\", \"doctoral\", \"language education\", \"ai\", \"teaching\"],\n answer: \"My motivation comes from a passion for improving English language teaching in Vietnam and a desire to integrate new technologies like AI into education to benefit students and teachers.\"\n },\n {\n english: \"What is your study plan for the PhD program in the US?\",\n keywords: [\"study plan\", \"courses\", \"exams\", \"dissertation\", \"conferences\"],\n answer: \"My study plan is to complete core courses in the first two years, followed by comprehensive exams, and focus on my dissertation research in the last two years. I will also participate in academic conferences, workshops, and publish research papers during my studies.\"\n },\n {\n english: \"Do you have a research topic in mind for your dissertation?\",\n keywords: [\"research topic\", \"dissertation\", \"ai\", \"language learning\", \"higher education\"],\n answer: \"Yes, I plan to focus on the impact of artificial intelligence tools on language learning outcomes in higher education. This topic aligns with my academic interests and current trends in the field.\"\n },\n {\n english: \"What skills do you hope to gain from your PhD program?\",\n keywords: [\"skills\", \"research\", \"critical thinking\", \"academic writing\", \"leadership\"],\n answer: \"I hope to gain advanced research skills, critical thinking, academic writing, leadership, and the ability to design and implement educational innovations.\"\n },\n {\n english: \"What are your academic goals during your PhD studies?\",\n keywords: [\"academic goals\", \"expertise\", \"research\", \"analytical\", \"publications\"],\n answer: \"My academic goals are to deepen my expertise in English language studies, develop strong research and analytical skills, and contribute valuable knowledge to the field through my dissertation and publications.\"\n },\n {\n english: \"How do you plan to contribute to the academic community during your PhD program?\",\n keywords: [\"contribute\", \"conferences\", \"research projects\", \"publishing\", \"seminars\"],\n answer: \"I will contribute by presenting at conferences, collaborating on research projects, publishing articles in reputable journals, and participating in academic seminars to share knowledge and gain insights from experts.\"\n },\n {\n english: \"How do you plan to collaborate with your professors and peers during your PhD?\",\n keywords: [\"collaborate\", \"professors\", \"peers\", \"research groups\", \"co-authoring\"],\n answer: \"I plan to collaborate by joining research groups, co-authoring papers, actively engaging in class discussions, and supporting my peers in joint projects.\"\n },\n {\n english: \"How will you manage your time during your PhD studies?\",\n keywords: [\"time\", \"schedule\", \"prioritize\", \"goals\", \"advisors\"],\n answer: \"I will organize my time by creating a weekly schedule that balances coursework, research, and personal activities. I will prioritize tasks, set achievable goals, and maintain regular communication with my advisors and peers.\"\n },\n {\n english: \"How will you overcome challenges such as cultural differences and academic pressure?\",\n keywords: [\"challenges\", \"cultural differences\", \"academic pressure\", \"support\", \"balance\"],\n answer: \"I will overcome challenges by staying open-minded, seeking support from faculty and peers, joining student associations, and maintaining a healthy balance between study and life.\"\n }\n ];\n\n const positiveFeedback = [\n \"Great job. Your answer is relevant to the question.\",\n \"Well done. That was a clear response.\",\n \"Excellent. You answered confidently.\",\n \"Very good. Your response matches the question well.\",\n \"Good answer. Keep speaking clearly and naturally.\",\n \"That was strong and appropriate for an interview.\"\n ];\n\n const constructiveFeedback = [\n \"Try to give a fuller answer with one or two supporting details.\",\n \"Your answer is a good start. Add more specific information.\",\n \"Try to include a reason or an example in your response.\",\n \"Make your answer more complete by connecting it directly to the question.\",\n \"Please expand your answer a little more and sound more confident.\",\n \"Try to use complete sentences and explain your idea more clearly.\"\n ];\n\n const pronunciationFeedback = [\n \"Your answer was understandable. Try to speak a little more slowly and clearly.\",\n \"Good effort. Focus on clear pronunciation of key words.\",\n \"Well done. Try to stress the important words in your sentence.\",\n \"Your response was clear overall. Keep your pace steady.\",\n \"Nice job. Speak confidently and pronounce each word more distinctly.\"\n ];\n\n const stopKeywords = [\"goodbye\", \"good bye\", \"bye\", \"bye-bye\", \"byebye\", \"stop\", \"end lesson\"];\n\n let currentQuestionIndex = 0;\n let recognition = null;\n let isLessonActive = false;\n let speechRecognitionActive = false;\n let pendingNextQuestionTimeout = null;\n let retryCount = 0;\n const maxRetriesPerQuestion = 2;\n\n const speechSynthesisSupported = \"speechSynthesis\" in window;\n const SpeechRecognitionClass = window.SpeechRecognition || window.webkitSpeechRecognition;\n const speechRecognitionSupported = !!SpeechRecognitionClass;\n\n let voices = [];\n let filteredVoices = [];\n let selectedVoice = null;\n\n \/* FACE SYSTEM *\/\n let currentEmotion = 'neutral';\n let isFaceTalking = false;\n let faceTalkTimer = null;\n let faceBubbleTimer = null;\n let blinkTimer = null;\n let saccadeTimer = null;\n let breatheRAF = null;\n\n const faceContainer = document.getElementById('face-container');\n const faceShell = document.getElementById('face-shell');\n const mouth = document.getElementById('mouth');\n const mouthInner = document.getElementById('mouth-inner');\n const teeth = document.getElementById('teeth');\n const leftEyeWhite = document.getElementById('left-eye-white');\n const rightEyeWhite = document.getElementById('right-eye-white');\n const leftLid = document.getElementById('left-eye-lid');\n const rightLid = document.getElementById('right-eye-lid');\n const leftPupil = document.getElementById('left-pupil');\n const rightPupil = document.getElementById('right-pupil');\n const leftSparkle = document.getElementById('left-sparkle');\n const rightSparkle = document.getElementById('right-sparkle');\n const leftEyebrow = document.getElementById('left-eyebrow');\n const rightEyebrow = document.getElementById('right-eyebrow');\n const leftBlush = document.getElementById('left-blush');\n const rightBlush = document.getElementById('right-blush');\n const leftTear = document.getElementById('left-tear');\n const rightTear = document.getElementById('right-tear');\n const angerVeins = document.getElementById('anger-veins');\n const faceSpeechBubble = document.getElementById('face-speech-bubble');\n const faceSpeechText = document.getElementById('face-speech-text');\n\n const emotions = {\n neutral: {\n mouth: 'M 100 220 Q 150 232 200 220',\n leftEyebrow: 'M 60 80 Q 90 75 120 80',\n rightEyebrow: 'M 180 80 Q 210 75 240 80',\n eyeRY: 24,\n blush: 0,\n tears: 0,\n anger: 0,\n teeth: 0,\n mouthInnerOpacity: 0,\n mouthInnerRx: 0,\n mouthInnerRy: 0\n },\n happy: {\n mouth: 'M 92 212 Q 150 278 208 212',\n leftEyebrow: 'M 60 75 Q 90 66 120 75',\n rightEyebrow: 'M 180 75 Q 210 66 240 75',\n eyeRY: 17,\n blush: 0.48,\n tears: 0,\n anger: 0,\n teeth: 0.92,\n mouthInnerOpacity: 0.25,\n mouthInnerRx: 24,\n mouthInnerRy: 8\n },\n sad: {\n mouth: 'M 112 240 Q 150 203 188 240',\n leftEyebrow: 'M 68 72 Q 90 88 120 76',\n rightEyebrow: 'M 180 76 Q 210 88 232 72',\n eyeRY: 15,\n blush: 0,\n tears: 0.78,\n anger: 0,\n teeth: 0,\n mouthInnerOpacity: 0,\n mouthInnerRx: 0,\n mouthInnerRy: 0\n },\n confused: {\n mouth: 'M 110 224 Q 140 230 160 221 Q 182 236 190 226',\n leftEyebrow: 'M 60 86 Q 90 68 120 80',\n rightEyebrow: 'M 180 70 Q 210 86 240 76',\n eyeRY: 22,\n blush: 0,\n tears: 0,\n anger: 0,\n teeth: 0,\n mouthInnerOpacity: 0,\n mouthInnerRx: 0,\n mouthInnerRy: 0\n }\n };\n\n function setFaceEmotion(emotion) {\n const preset = emotions[emotion] || emotions.neutral;\n currentEmotion = emotion;\n\n mouth.setAttribute('d', preset.mouth);\n leftEyebrow.setAttribute('d', preset.leftEyebrow);\n rightEyebrow.setAttribute('d', preset.rightEyebrow);\n\n leftEyeWhite.setAttribute('ry', preset.eyeRY);\n rightEyeWhite.setAttribute('ry', preset.eyeRY);\n\n leftBlush.setAttribute('opacity', preset.blush);\n rightBlush.setAttribute('opacity', preset.blush);\n\n leftTear.setAttribute('fill', `rgba(100,200,255,${preset.tears})`);\n rightTear.setAttribute('fill', `rgba(100,200,255,${preset.tears})`);\n\n angerVeins.setAttribute('opacity', preset.anger);\n teeth.setAttribute('opacity', preset.teeth);\n mouthInner.setAttribute('opacity', preset.mouthInnerOpacity);\n mouthInner.setAttribute('rx', preset.mouthInnerRx);\n mouthInner.setAttribute('ry', preset.mouthInnerRy);\n }\n\n function resetFacePupils() {\n leftPupil.setAttribute('cx', 90);\n leftPupil.setAttribute('cy', 110);\n rightPupil.setAttribute('cx', 210);\n rightPupil.setAttribute('cy', 110);\n leftSparkle.setAttribute('cx', 96);\n leftSparkle.setAttribute('cy', 104);\n rightSparkle.setAttribute('cx', 216);\n rightSparkle.setAttribute('cy', 104);\n }\n\n function blinkFace(duration = 110) {\n const currentL = parseFloat(leftEyeWhite.getAttribute('ry'));\n const currentR = parseFloat(rightEyeWhite.getAttribute('ry'));\n leftLid.setAttribute('ry', currentL + 1);\n rightLid.setAttribute('ry', currentR + 1);\n\n setTimeout(() => {\n leftLid.setAttribute('ry', 0);\n rightLid.setAttribute('ry', 0);\n }, duration);\n }\n\n function scheduleBlink() {\n clearTimeout(blinkTimer);\n const next = 1500 + Math.random() * 3500;\n blinkTimer = setTimeout(() => {\n blinkFace(90 + Math.random() * 80);\n if (Math.random() < 0.22) {\n setTimeout(() => blinkFace(70), 120);\n }\n scheduleBlink();\n }, next);\n }\n\n function idleSaccade() {\n if (isFaceTalking) return;\n const dx = (Math.random() * 2 - 1) * 4.5;\n const dy = (Math.random() * 2 - 1) * 3.2;\n\n leftPupil.setAttribute('cx', 90 + dx);\n leftPupil.setAttribute('cy', 110 + dy);\n rightPupil.setAttribute('cx', 210 + dx);\n rightPupil.setAttribute('cy', 110 + dy);\n\n leftSparkle.setAttribute('cx', 96 + dx * 0.6);\n leftSparkle.setAttribute('cy', 104 + dy * 0.6);\n rightSparkle.setAttribute('cx', 216 + dx * 0.6);\n rightSparkle.setAttribute('cy', 104 + dy * 0.6);\n }\n\n function scheduleSaccade() {\n clearTimeout(saccadeTimer);\n const next = 900 + Math.random() * 1800;\n saccadeTimer = setTimeout(() => {\n idleSaccade();\n scheduleSaccade();\n }, next);\n }\n\n function startFaceBreathing() {\n let t0 = performance.now();\n\n function frame(now) {\n const t = (now - t0) \/ 1000;\n const breathe = Math.sin(t * 1.8) * 1.8;\n const sway = Math.sin(t * 0.9) * 1.4;\n const tilt = Math.sin(t * 0.75) * 0.8;\n\n if (!isFaceTalking) {\n faceShell.setAttribute(\n 'transform',\n `translate(${sway.toFixed(2)}, ${breathe.toFixed(2)}) rotate(${tilt.toFixed(2)} 150 150)`\n );\n }\n\n breatheRAF = requestAnimationFrame(frame);\n }\n\n cancelAnimationFrame(breatheRAF);\n breatheRAF = requestAnimationFrame(frame);\n }\n\n function showFaceBubble(text, duration) {\n faceSpeechText.textContent = text;\n faceSpeechBubble.classList.add('visible');\n clearTimeout(faceBubbleTimer);\n faceBubbleTimer = setTimeout(() => {\n faceSpeechBubble.classList.remove('visible');\n }, duration + 600);\n }\n\n function stopFaceTalking() {\n isFaceTalking = false;\n clearInterval(faceTalkTimer);\n faceTalkTimer = null;\n setFaceEmotion(currentEmotion);\n }\n\n function talkingFrame(emotion) {\n const shapes = {\n neutral: [\n { d: 'M 102 220 Q 150 240 198 220', rx: 14, ry: 7, teeth: 0.1, inner: 0.25 },\n { d: 'M 96 214 Q 150 262 204 214', rx: 22, ry: 11, teeth: 0.28, inner: 0.45 },\n { d: 'M 108 224 Q 150 236 192 224', rx: 12, ry: 5, teeth: 0, inner: 0.18 }\n ],\n happy: [\n { d: 'M 92 212 Q 150 280 208 212', rx: 24, ry: 10, teeth: 0.9, inner: 0.35 },\n { d: 'M 96 216 Q 150 266 204 216', rx: 18, ry: 8, teeth: 0.75, inner: 0.28 },\n { d: 'M 88 210 Q 150 286 212 210', rx: 28, ry: 12, teeth: 1.0, inner: 0.4 }\n ],\n sad: [\n { d: 'M 112 238 Q 150 212 188 238', rx: 10, ry: 4, teeth: 0, inner: 0.1 },\n { d: 'M 108 234 Q 150 220 192 234', rx: 12, ry: 5, teeth: 0, inner: 0.14 },\n { d: 'M 114 240 Q 150 208 186 240', rx: 8, ry: 4, teeth: 0, inner: 0.08 }\n ],\n confused: [\n { d: 'M 110 224 Q 140 230 160 221 Q 182 236 190 226', rx: 10, ry: 4, teeth: 0, inner: 0.1 },\n { d: 'M 106 222 Q 140 236 162 220 Q 184 242 194 226', rx: 14, ry: 6, teeth: 0, inner: 0.18 },\n { d: 'M 112 225 Q 141 228 161 222 Q 181 234 189 225', rx: 9, ry: 4, teeth: 0, inner: 0.08 }\n ]\n };\n\n const list = shapes[emotion] || shapes.neutral;\n const chosen = list[Math.floor(Math.random() * list.length)];\n\n mouth.setAttribute('d', chosen.d);\n mouthInner.setAttribute('opacity', chosen.inner);\n mouthInner.setAttribute('rx', chosen.rx);\n mouthInner.setAttribute('ry', chosen.ry);\n teeth.setAttribute('opacity', chosen.teeth);\n\n const bobX = (Math.random() * 2 - 1) * 1.5;\n const bobY = -1.5 + Math.random() * 2.8;\n const tilt = (Math.random() * 2 - 1) * 2.2;\n\n faceShell.setAttribute(\n 'transform',\n `translate(${bobX.toFixed(2)}, ${bobY.toFixed(2)}) rotate(${tilt.toFixed(2)} 150 150)`\n );\n }\n\n function faceSpeak(text, emotion = \"neutral\", durationHint = null) {\n const clean = (text || \"\").trim();\n if (!clean) return;\n\n clearInterval(faceTalkTimer);\n isFaceTalking = true;\n setFaceEmotion(emotion);\n\n const duration = durationHint || Math.max(1800, clean.length * 75);\n showFaceBubble(clean, duration);\n\n faceTalkTimer = setInterval(() => talkingFrame(emotion), 120);\n\n setTimeout(() => {\n stopFaceTalking();\n }, duration);\n }\n\n document.addEventListener('mousemove', (e) => {\n if (isFaceTalking) return;\n\n const svg = document.getElementById('face-svg');\n const rect = svg.getBoundingClientRect();\n const centerX = rect.left + rect.width \/ 2;\n const centerY = rect.top + rect.height \/ 2;\n\n const dx = (e.clientX - centerX) \/ 45;\n const dy = (e.clientY - centerY) \/ 45;\n\n const moveX = Math.max(-5, Math.min(5, dx));\n const moveY = Math.max(-4, Math.min(4, dy));\n\n leftPupil.setAttribute('cx', 90 + moveX);\n leftPupil.setAttribute('cy', 110 + moveY);\n rightPupil.setAttribute('cx', 210 + moveX);\n rightPupil.setAttribute('cy', 110 + moveY);\n\n leftSparkle.setAttribute('cx', 96 + moveX * 0.6);\n leftSparkle.setAttribute('cy', 104 + moveY * 0.6);\n rightSparkle.setAttribute('cx', 216 + moveX * 0.6);\n rightSparkle.setAttribute('cy', 104 + moveY * 0.6);\n\n faceContainer.style.transform = `translate(${(moveX * 0.25).toFixed(2)}px, ${(moveY * 0.2).toFixed(2)}px)`;\n });\n\n document.addEventListener('mouseleave', () => {\n if (isFaceTalking) return;\n resetFacePupils();\n faceContainer.style.transform = 'translate(0px, 0px)';\n });\n\n \/* LESSON SYSTEM *\/\n\n function initialize() {\n loadVoices();\n setFaceEmotion('neutral');\n scheduleBlink();\n scheduleSaccade();\n startFaceBreathing();\n\n if (speechSynthesisSupported) {\n setTimeout(() => greetUser(), 700);\n } else {\n appendMessage(\"Sorry, your browser does not support speech synthesis.\", \"bot\");\n }\n\n if (!speechRecognitionSupported) {\n appendMessage(\"Sorry, your browser does not support speech recognition.\", \"bot\");\n }\n\n document.getElementById('start-btn').onclick = function() {\n if (isLessonActive) return;\n\n if (!speechSynthesisSupported) {\n appendMessage(\"Speech synthesis is not supported in your browser.\", \"bot\");\n return;\n }\n\n if (!speechRecognitionSupported) {\n appendMessage(\"Speech recognition is not supported in your browser.\", \"bot\");\n return;\n }\n\n stopAllAudioAndRecognition();\n clearPendingTimeout();\n\n isLessonActive = true;\n currentQuestionIndex = 0;\n retryCount = 0;\n clearWordBox();\n appendMessage(\"The practice session is starting now.\", \"bot\");\n startLesson();\n };\n\n document.getElementById('stop-btn').onclick = function() {\n endLesson(true);\n };\n }\n\n function loadVoices() {\n const fillVoices = () => {\n voices = window.speechSynthesis.getVoices();\n\n filteredVoices = voices.filter(v =>\n \/^en(-|_)\/i.test(v.lang) || \/english\/i.test(v.name)\n );\n\n filteredVoices.sort((a, b) => {\n const aScore = getVoicePriority(a);\n const bScore = getVoicePriority(b);\n return aScore - bScore;\n });\n\n populateVoiceList();\n };\n\n fillVoices();\n\n if (typeof speechSynthesis !== \"undefined\") {\n speechSynthesis.onvoiceschanged = fillVoices;\n }\n }\n\n function getVoicePriority(voice) {\n const name = voice.name.toLowerCase();\n if (name.includes(\"google us english\")) return 1;\n if (name.includes(\"google uk english\")) return 2;\n if (name.includes(\"microsoft\") && name.includes(\"english\")) return 3;\n if (name.includes(\"english\")) return 4;\n return 10;\n }\n\n function populateVoiceList() {\n const voiceSelect = document.getElementById('voice-select');\n voiceSelect.innerHTML = '';\n\n if (!filteredVoices.length) {\n const option = document.createElement('option');\n option.value = \"\";\n option.textContent = \"No English voices available\";\n voiceSelect.appendChild(option);\n voiceSelect.disabled = true;\n selectedVoice = null;\n return;\n }\n\n filteredVoices.forEach((voice, index) => {\n const option = document.createElement('option');\n option.value = String(index);\n option.textContent = `${voice.name} (${voice.lang})`;\n voiceSelect.appendChild(option);\n });\n\n selectedVoice = filteredVoices[0];\n voiceSelect.value = \"0\";\n voiceSelect.disabled = false;\n\n voiceSelect.onchange = () => {\n const index = parseInt(voiceSelect.value, 10);\n selectedVoice = filteredVoices[index] || filteredVoices[0];\n };\n }\n\n function greetUser() {\n const greeting = \"Hello. Welcome to the PhD Study Interview Practice. In this session, you will practice answering important questions about your study plan. Click Start to begin!\";\n appendMessage(greeting, 'bot');\n faceSpeak(greeting, \"neutral\");\n showSynthesisLoader(true);\n sayText(greeting, \"en-US\").then(() => {\n showSynthesisLoader(false);\n });\n }\n\n function startLesson() {\n if (!isLessonActive) return;\n\n if (currentQuestionIndex >= questions.length) {\n endLesson(false);\n return;\n }\n\n retryCount = 0;\n askCurrentQuestion();\n }\n\n function askCurrentQuestion() {\n if (!isLessonActive) return;\n\n const question = questions[currentQuestionIndex];\n const questionNumber = currentQuestionIndex + 1;\n const questionText = `Question ${questionNumber}: ${question.english}`;\n\n appendMessage(questionText, 'bot');\n addSentenceToBox(`Q${questionNumber}: ${question.english}`);\n addSentenceToBox(`Suggested answer: ${question.answer}`);\n\n faceSpeak(questionText, \"neutral\");\n showSynthesisLoader(true);\n sayText(questionText, \"en-US\").then(() => {\n showSynthesisLoader(false);\n listenUserResponse(question);\n });\n }\n\n function listenUserResponse(question) {\n if (!isLessonActive) return;\n\n stopRecognitionOnly();\n\n recognition = new SpeechRecognitionClass();\n recognition.lang = 'en-US';\n recognition.interimResults = false;\n recognition.continuous = false;\n recognition.maxAlternatives = 1;\n\n speechRecognitionActive = true;\n showRecognitionLoader(true);\n appendMessage(\"Listening...\", \"bot\");\n faceSpeak(\"Listening...\", \"confused\", 1400);\n\n try {\n recognition.start();\n } catch (err) {\n speechRecognitionActive = false;\n showRecognitionLoader(false);\n appendMessage(\"The microphone could not start. Please try again.\", \"bot\");\n faceSpeak(\"The microphone could not start. Please try again.\", \"sad\");\n return;\n }\n\n recognition.onresult = function(event) {\n if (!isLessonActive || !speechRecognitionActive) return;\n\n const transcript = event.results[0][0].transcript.trim();\n const formattedInput = normalizeAndFormatUserInput(transcript);\n\n speechRecognitionActive = false;\n showRecognitionLoader(false);\n\n appendMessage(formattedInput, 'user');\n\n if (checkStopKeywords(formattedInput.toLowerCase())) {\n endLesson(true);\n return;\n }\n\n const feedbackType = analyzeResponse(formattedInput, question.keywords);\n let feedbackMessage = \"\";\n let faceEmotion = \"neutral\";\n\n if (feedbackType === \"positive\") {\n feedbackMessage = pickRandom(positiveFeedback);\n faceEmotion = \"happy\";\n } else if (feedbackType === \"pronunciation\") {\n feedbackMessage = pickRandom(pronunciationFeedback);\n faceEmotion = \"neutral\";\n } else {\n feedbackMessage = pickRandom(constructiveFeedback);\n faceEmotion = \"confused\";\n }\n\n appendMessage(feedbackMessage, 'bot');\n faceSpeak(feedbackMessage, faceEmotion);\n showSynthesisLoader(true);\n sayText(feedbackMessage, \"en-US\").then(() => {\n showSynthesisLoader(false);\n\n if (!isLessonActive) return;\n\n currentQuestionIndex++;\n clearPendingTimeout();\n pendingNextQuestionTimeout = setTimeout(() => {\n startLesson();\n }, 1800);\n });\n };\n\n recognition.onspeechend = function() {\n if (speechRecognitionActive && recognition) {\n recognition.stop();\n }\n };\n\n recognition.onerror = function(event) {\n speechRecognitionActive = false;\n showRecognitionLoader(false);\n\n if (!isLessonActive) return;\n\n let errorMessage = \"\";\n\n switch (event.error) {\n case \"not-allowed\":\n errorMessage = \"Microphone access was blocked. Please allow microphone access in your browser settings and try again.\";\n appendMessage(errorMessage, 'bot');\n faceSpeak(errorMessage, \"sad\");\n break;\n\n case \"no-speech\":\n retryCount++;\n if (retryCount <= maxRetriesPerQuestion) {\n errorMessage = \"I did not hear your answer. Please try again.\";\n appendMessage(errorMessage, 'bot');\n faceSpeak(errorMessage, \"confused\");\n showSynthesisLoader(true);\n sayText(errorMessage, \"en-US\").then(() => {\n showSynthesisLoader(false);\n listenUserResponse(question);\n });\n } else {\n errorMessage = \"Let's move to the next question.\";\n appendMessage(errorMessage, 'bot');\n faceSpeak(errorMessage, \"neutral\");\n showSynthesisLoader(true);\n sayText(errorMessage, \"en-US\").then(() => {\n showSynthesisLoader(false);\n currentQuestionIndex++;\n startLesson();\n });\n }\n break;\n\n case \"audio-capture\":\n appendMessage(\"No microphone was detected. Please check your microphone and try again.\", \"bot\");\n faceSpeak(\"No microphone was detected. Please check your microphone and try again.\", \"sad\");\n break;\n\n default:\n appendMessage(\"There was a speech recognition error. Please try answering again.\", \"bot\");\n faceSpeak(\"There was a speech recognition error. Please try answering again.\", \"sad\");\n showSynthesisLoader(true);\n sayText(\"Please answer again.\", \"en-US\").then(() => {\n showSynthesisLoader(false);\n listenUserResponse(question);\n });\n break;\n }\n };\n\n recognition.onend = function() {\n speechRecognitionActive = false;\n showRecognitionLoader(false);\n };\n }\n\n function analyzeResponse(userInput, keywords) {\n const input = userInput.toLowerCase();\n\n let matchCount = 0;\n keywords.forEach(keyword => {\n if (input.includes(keyword.toLowerCase())) {\n matchCount++;\n }\n });\n\n const wordCount = input.split(\/\\s+\/).filter(Boolean).length;\n\n if (matchCount >= 2 || wordCount >= 10) return \"positive\";\n if (wordCount >= 5) return \"pronunciation\";\n return \"constructive\";\n }\n\n function checkStopKeywords(userInput) {\n const pattern = new RegExp(\"\\\\b(\" + stopKeywords.map(escapeRegex).join(\"|\") + \")\\\\b\", \"i\");\n return pattern.test(userInput);\n }\n\n function normalizeAndFormatUserInput(text) {\n let normalized = text.trim();\n normalized = normalized.replace(\/\\bi\\b\/g, \"I\");\n return formatSentence(normalized);\n }\n\n function formatSentence(text) {\n if (!text) return \"\";\n text = text.charAt(0).toUpperCase() + text.slice(1);\n if (!\/[.?!]$\/.test(text)) text += \".\";\n return text;\n }\n\n function addSentenceToBox(sentence) {\n const wordBox = document.getElementById('word-box');\n const sentenceElement = document.createElement('div');\n sentenceElement.innerText = sentence;\n wordBox.appendChild(sentenceElement);\n wordBox.scrollTop = wordBox.scrollHeight;\n }\n\n function clearWordBox() {\n const wordBox = document.getElementById('word-box');\n wordBox.innerHTML = \"\";\n }\n\n function endLesson(userStopped = false) {\n stopAllAudioAndRecognition();\n isLessonActive = false;\n\n const message = userStopped\n ? \"Thank you for practicing. Goodbye.\"\n : \"Well done. You have completed all the questions. Keep practicing.\";\n\n appendMessage(message, \"bot\");\n faceSpeak(message, userStopped ? \"neutral\" : \"happy\");\n showSynthesisLoader(true);\n sayText(message, \"en-US\").then(() => {\n showSynthesisLoader(false);\n });\n }\n\n function sayText(text, lang) {\n return new Promise(resolve => {\n if (!speechSynthesisSupported) {\n resolve();\n return;\n }\n\n window.speechSynthesis.cancel();\n\n const utterance = new SpeechSynthesisUtterance(text);\n utterance.lang = lang || \"en-US\";\n utterance.rate = 1.0;\n utterance.pitch = 1.0;\n\n if (selectedVoice) {\n utterance.voice = selectedVoice;\n }\n\n utterance.onend = () => resolve();\n utterance.onerror = () => resolve();\n\n window.speechSynthesis.speak(utterance);\n });\n }\n\n function appendMessage(text, sender) {\n const messageContainer = document.getElementById('chat-messages');\n const messageElement = document.createElement('div');\n messageElement.classList.add('message');\n messageElement.classList.add(sender === 'bot' ? 'bot-message' : 'user-message');\n messageElement.innerText = text;\n messageContainer.appendChild(messageElement);\n messageContainer.scrollTop = messageContainer.scrollHeight;\n }\n\n function showSynthesisLoader(show) {\n const loader = document.getElementById('synthesis-loader');\n loader.style.display = show ? 'inline-block' : 'none';\n loader.style.borderTop = '4px solid #17a2b8';\n }\n\n function showRecognitionLoader(show) {\n const loader = document.getElementById('synthesis-loader');\n loader.style.display = show ? 'inline-block' : 'none';\n loader.style.borderTop = show ? '4px solid #ffc107' : '4px solid #17a2b8';\n }\n\n function clearPendingTimeout() {\n if (pendingNextQuestionTimeout) {\n clearTimeout(pendingNextQuestionTimeout);\n pendingNextQuestionTimeout = null;\n }\n }\n\n function stopRecognitionOnly() {\n if (recognition) {\n try {\n recognition.onresult = null;\n recognition.onerror = null;\n recognition.onend = null;\n recognition.onspeechend = null;\n recognition.stop();\n } catch (e) {}\n }\n speechRecognitionActive = false;\n showRecognitionLoader(false);\n }\n\n function stopAllAudioAndRecognition() {\n clearPendingTimeout();\n stopRecognitionOnly();\n if (speechSynthesisSupported) {\n window.speechSynthesis.cancel();\n }\n showSynthesisLoader(false);\n stopFaceTalking();\n faceSpeechBubble.classList.remove('visible');\n }\n\n function pickRandom(arr) {\n return arr[Math.floor(Math.random() * arr.length)];\n }\n\n function escapeRegex(str) {\n return str.replace(\/[.*+?^${}()|[\\]\\\\]\/g, \"\\\\$&\");\n }\n\n window.onload = initialize;\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>This Robot is used for Visa Interview practices for PhD candidates. 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