{
  "createdAt": "2026-10-26T17:18:59.756162+00:00",
  "selection": {
    "start": "2026-10-12T16:42:47.757Z",
    "end": "2026-10-26T16:42:47.757Z",
    "method": "Top 20 per gender by distinct real registered callers in positive-duration private call transcripts over last 14 days; public non-retired characters with active Fish voice. Tie-break by call count then character id.",
    "eligible": 603
  },
  "characterCount": 40,
  "genderBalance": {
    "Male": 20,
    "Female": 20
  },
  "uniqueVoiceReferences": 42,
  "voiceResolution": {
    "stored_active_fish": 312,
    "existing_language_slot": 3,
    "existing_english_fallback": 5
  },
  "languages": [
    {
      "id": "zh-CN",
      "label": "Mandarin Chinese",
      "locale": "zh-CN",
      "language": "Mandarin Chinese (Simplified Chinese)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 慢慢来，不着急。我订好了明天晚上7点45分的两个座位。我们可以坐在窗边，聊聊你今天过得怎么样，一起享受片刻的安静。[gently teasing] 不过先说好，这次最后一块饼干可要留给我。",
      "spokenText": "慢慢来，不着急。我订好了明天晚上7点45分的两个座位。我们可以坐在窗边，聊聊你今天过得怎么样，一起享受片刻的安静。不过先说好，这次最后一块饼干可要留给我。",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Simplified Chinese. 7点45分 with 晚上 means 19:45; 两个座位 means two seats. Casual, gender-neutral speaker and listener wording. Spoken Chinese is not comparable by whitespace word count."
    },
    {
      "id": "ja-JP",
      "label": "Japanese",
      "locale": "ja-JP",
      "language": "Japanese",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 急がなくていいよ。明日の夜7時45分に、二人分の席を予約しておいたんだ。窓際に座って、今日どんな一日だったか話そう。二人でゆっくり過ごせたらいいね。[gently teasing] でも、約束だよ。今度は最後のクッキーを残しておいてね。",
      "spokenText": "急がなくていいよ。明日の夜7時45分に、二人分の席を予約しておいたんだ。窓際に座って、今日どんな一日だったか話そう。二人でゆっくり過ごせたらいいね。でも、約束だよ。今度は最後のクッキーを残しておいてね。",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Japanese, ordinary mixed kanji/kana. 夜7時45分 means 19:45; 二人分の席 means seats for two. No gendered first-person pronoun. The gentle conversational ending is intentional; do not require a stereotyped male/female style."
    },
    {
      "id": "ko-KR",
      "label": "Korean",
      "locale": "ko-KR",
      "language": "Korean",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 천천히 와도 괜찮아. 내일 저녁 7시 45분에 두 자리 예약해 뒀어. 창가에 앉아서 오늘 하루 어땠는지 이야기하자. 우리 둘이 조용히 쉬는 시간을 가져도 좋겠지. [gently teasing] 대신 약속 하나만 해 줘. 이번에는 마지막 쿠키를 내 몫으로 남겨 두기야.",
      "spokenText": "천천히 와도 괜찮아. 내일 저녁 7시 45분에 두 자리 예약해 뒀어. 창가에 앉아서 오늘 하루 어땠는지 이야기하자. 우리 둘이 조용히 쉬는 시간을 가져도 좋겠지. 대신 약속 하나만 해 줘. 이번에는 마지막 쿠키를 내 몫으로 남겨 두기야.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Korean in Hangul. 저녁7시45분 means 19:45; 두 자리 means two seats. Familiar conversational register, without gendered speaker pronouns. Natural spacing and assimilation are not text errors."
    },
    {
      "id": "es-ES",
      "label": "Spanish",
      "locale": "es-ES",
      "language": "Spanish (Spain)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] No tengas prisa. He reservado dos sitios para mañana a las 7:45 de la tarde. Podemos sentarnos junto a la ventana, hablar de tu día y disfrutar de un rato tranquilo. [gently teasing] Pero prométeme que esta vez me dejarás la última galleta.",
      "spokenText": "No tengas prisa. He reservado dos sitios para mañana a las 7:45 de la tarde. Podemos sentarnos junto a la ventana, hablar de tu día y disfrutar de un rato tranquilo. Pero prométeme que esta vez me dejarás la última galleta.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Spanish. 7:45 de la tarde means19:45; dos sitios means two seats. Neutral speaker gender. Both siete y cuarenta y cinco and ocho menos cuarto preserve the time; regional accent alone is not a defect."
    },
    {
      "id": "fr-FR",
      "label": "French",
      "locale": "fr-FR",
      "language": "French (France)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Prends ton temps. J’ai réservé deux places pour demain soir à 19 h 45. On pourra s’installer près de la fenêtre, parler de ta journée et profiter d’un moment tranquille. [gently teasing] Mais promets-moi de me laisser le dernier biscuit cette fois.",
      "spokenText": "Prends ton temps. J’ai réservé deux places pour demain soir à 19 h 45. On pourra s’installer près de la fenêtre, parler de ta journée et profiter d’un moment tranquille. Mais promets-moi de me laisser le dernier biscuit cette fois.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic French, gender-neutral speaker wording. 19 h45 is the local24-hour equivalent of7:45p.m.; deux places means two seats. Dix-neuf heures quarante-cinq and huit heures moins le quart in the evening are equivalent."
    },
    {
      "id": "de-DE",
      "label": "German",
      "locale": "de-DE",
      "language": "German (Germany)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Lass dir Zeit. Ich habe für morgen Abend um 19:45 Uhr zwei Plätze reserviert. Wir können am Fenster sitzen, über deinen Tag reden und gemeinsam einen ruhigen Moment genießen. [gently teasing] Aber versprich mir, dass du mir diesmal den letzten Keks übrig lässt.",
      "spokenText": "Lass dir Zeit. Ich habe für morgen Abend um 19:45 Uhr zwei Plätze reserviert. Wir können am Fenster sitzen, über deinen Tag reden und gemeinsam einen ruhigen Moment genießen. Aber versprich mir, dass du mir diesmal den letzten Keks übrig lässt.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic German, gender-neutral speaker/listener wording. 19:45 Uhr means7:45p.m.; zwei Plätze means two seats. Neunzehn Uhr fünfundvierzig and a natural equivalent preserving the evening time are acceptable."
    },
    {
      "id": "pt-BR",
      "label": "Brazilian Portuguese",
      "locale": "pt-BR",
      "language": "Brazilian Portuguese",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Não precisa ter pressa. Reservei dois lugares para amanhã, às 7:45 da noite. Podemos sentar perto da janela, conversar sobre o seu dia e aproveitar um momento tranquilo juntos. [gently teasing] Só me promete que desta vez vai deixar o último biscoito pra mim.",
      "spokenText": "Não precisa ter pressa. Reservei dois lugares para amanhã, às 7:45 da noite. Podemos sentar perto da janela, conversar sobre o seu dia e aproveitar um momento tranquilo juntos. Só me promete que desta vez vai deixar o último biscoito pra mim.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Brazilian Portuguese. 7:45 da noite means19:45; dois lugares means two seats. Pra is an intentional colloquial form of para; equivalent contraction is acceptable. Juntos refers to the pair collectively, not a male speaker identity requirement."
    },
    {
      "id": "ar",
      "label": "Modern Standard Arabic",
      "locale": "ar",
      "language": "Modern Standard Arabic",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] لا داعي للاستعجال. حجزت مقعدين للغد في الساعة 7:45 مساءً. يمكننا الجلوس قرب النافذة، والحديث عن يومك، والاستمتاع بلحظة هادئة معًا. [gently teasing] لكن لديّ طلب صغير: لنترك آخر قطعة بسكويت لي هذه المرة، اتفقنا؟",
      "spokenText": "لا داعي للاستعجال. حجزت مقعدين للغد في الساعة 7:45 مساءً. يمكننا الجلوس قرب النافذة، والحديث عن يومك، والاستمتاع بلحظة هادئة معًا. لكن لديّ طلب صغير: لنترك آخر قطعة بسكويت لي هذه المرة، اتفقنا؟",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Modern Standard Arabic, right-to-left. 7:45 مساءً means19:45; مقعدين means two seats. No explicit gendered address or speaker adjective. Natural MSA case endings, pause forms and equivalent quarter-to-eight phrasing are acceptable; accent stereotypes must not affect scoring."
    }
  ],
  "scripts": [
    {
      "id": "zh-CN",
      "label": "Mandarin Chinese",
      "locale": "zh-CN",
      "language": "Mandarin Chinese (Simplified Chinese)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 慢慢来，不着急。我订好了明天晚上7点45分的两个座位。我们可以坐在窗边，聊聊你今天过得怎么样，一起享受片刻的安静。[gently teasing] 不过先说好，这次最后一块饼干可要留给我。",
      "spokenText": "慢慢来，不着急。我订好了明天晚上7点45分的两个座位。我们可以坐在窗边，聊聊你今天过得怎么样，一起享受片刻的安静。不过先说好，这次最后一块饼干可要留给我。",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Simplified Chinese. 7点45分 with 晚上 means 19:45; 两个座位 means two seats. Casual, gender-neutral speaker and listener wording. Spoken Chinese is not comparable by whitespace word count."
    },
    {
      "id": "ja-JP",
      "label": "Japanese",
      "locale": "ja-JP",
      "language": "Japanese",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 急がなくていいよ。明日の夜7時45分に、二人分の席を予約しておいたんだ。窓際に座って、今日どんな一日だったか話そう。二人でゆっくり過ごせたらいいね。[gently teasing] でも、約束だよ。今度は最後のクッキーを残しておいてね。",
      "spokenText": "急がなくていいよ。明日の夜7時45分に、二人分の席を予約しておいたんだ。窓際に座って、今日どんな一日だったか話そう。二人でゆっくり過ごせたらいいね。でも、約束だよ。今度は最後のクッキーを残しておいてね。",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Japanese, ordinary mixed kanji/kana. 夜7時45分 means 19:45; 二人分の席 means seats for two. No gendered first-person pronoun. The gentle conversational ending is intentional; do not require a stereotyped male/female style."
    },
    {
      "id": "ko-KR",
      "label": "Korean",
      "locale": "ko-KR",
      "language": "Korean",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] 천천히 와도 괜찮아. 내일 저녁 7시 45분에 두 자리 예약해 뒀어. 창가에 앉아서 오늘 하루 어땠는지 이야기하자. 우리 둘이 조용히 쉬는 시간을 가져도 좋겠지. [gently teasing] 대신 약속 하나만 해 줘. 이번에는 마지막 쿠키를 내 몫으로 남겨 두기야.",
      "spokenText": "천천히 와도 괜찮아. 내일 저녁 7시 45분에 두 자리 예약해 뒀어. 창가에 앉아서 오늘 하루 어땠는지 이야기하자. 우리 둘이 조용히 쉬는 시간을 가져도 좋겠지. 대신 약속 하나만 해 줘. 이번에는 마지막 쿠키를 내 몫으로 남겨 두기야.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Korean in Hangul. 저녁7시45분 means 19:45; 두 자리 means two seats. Familiar conversational register, without gendered speaker pronouns. Natural spacing and assimilation are not text errors."
    },
    {
      "id": "es-ES",
      "label": "Spanish",
      "locale": "es-ES",
      "language": "Spanish (Spain)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] No tengas prisa. He reservado dos sitios para mañana a las 7:45 de la tarde. Podemos sentarnos junto a la ventana, hablar de tu día y disfrutar de un rato tranquilo. [gently teasing] Pero prométeme que esta vez me dejarás la última galleta.",
      "spokenText": "No tengas prisa. He reservado dos sitios para mañana a las 7:45 de la tarde. Podemos sentarnos junto a la ventana, hablar de tu día y disfrutar de un rato tranquilo. Pero prométeme que esta vez me dejarás la última galleta.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Spanish. 7:45 de la tarde means19:45; dos sitios means two seats. Neutral speaker gender. Both siete y cuarenta y cinco and ocho menos cuarto preserve the time; regional accent alone is not a defect."
    },
    {
      "id": "fr-FR",
      "label": "French",
      "locale": "fr-FR",
      "language": "French (France)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Prends ton temps. J’ai réservé deux places pour demain soir à 19 h 45. On pourra s’installer près de la fenêtre, parler de ta journée et profiter d’un moment tranquille. [gently teasing] Mais promets-moi de me laisser le dernier biscuit cette fois.",
      "spokenText": "Prends ton temps. J’ai réservé deux places pour demain soir à 19 h 45. On pourra s’installer près de la fenêtre, parler de ta journée et profiter d’un moment tranquille. Mais promets-moi de me laisser le dernier biscuit cette fois.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic French, gender-neutral speaker wording. 19 h45 is the local24-hour equivalent of7:45p.m.; deux places means two seats. Dix-neuf heures quarante-cinq and huit heures moins le quart in the evening are equivalent."
    },
    {
      "id": "de-DE",
      "label": "German",
      "locale": "de-DE",
      "language": "German (Germany)",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Lass dir Zeit. Ich habe für morgen Abend um 19:45 Uhr zwei Plätze reserviert. Wir können am Fenster sitzen, über deinen Tag reden und gemeinsam einen ruhigen Moment genießen. [gently teasing] Aber versprich mir, dass du mir diesmal den letzten Keks übrig lässt.",
      "spokenText": "Lass dir Zeit. Ich habe für morgen Abend um 19:45 Uhr zwei Plätze reserviert. Wir können am Fenster sitzen, über deinen Tag reden und gemeinsam einen ruhigen Moment genießen. Aber versprich mir, dass du mir diesmal den letzten Keks übrig lässt.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic German, gender-neutral speaker/listener wording. 19:45 Uhr means7:45p.m.; zwei Plätze means two seats. Neunzehn Uhr fünfundvierzig and a natural equivalent preserving the evening time are acceptable."
    },
    {
      "id": "pt-BR",
      "label": "Brazilian Portuguese",
      "locale": "pt-BR",
      "language": "Brazilian Portuguese",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] Não precisa ter pressa. Reservei dois lugares para amanhã, às 7:45 da noite. Podemos sentar perto da janela, conversar sobre o seu dia e aproveitar um momento tranquilo juntos. [gently teasing] Só me promete que desta vez vai deixar o último biscoito pra mim.",
      "spokenText": "Não precisa ter pressa. Reservei dois lugares para amanhã, às 7:45 da noite. Podemos sentar perto da janela, conversar sobre o seu dia e aproveitar um momento tranquilo juntos. Só me promete que desta vez vai deixar o último biscoito pra mim.",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Brazilian Portuguese. 7:45 da noite means19:45; dois lugares means two seats. Pra is an intentional colloquial form of para; equivalent contraction is acceptable. Juntos refers to the pair collectively, not a male speaker identity requirement."
    },
    {
      "id": "ar",
      "label": "Modern Standard Arabic",
      "locale": "ar",
      "language": "Modern Standard Arabic",
      "direction": "Begin warm and reassuring, then shift to gentle teasing at the second cue. Read the entire passage in the specified language. Bracket cues are performance directions, not spoken words.",
      "text": "[warm, reassuring] لا داعي للاستعجال. حجزت مقعدين للغد في الساعة 7:45 مساءً. يمكننا الجلوس قرب النافذة، والحديث عن يومك، والاستمتاع بلحظة هادئة معًا. [gently teasing] لكن لديّ طلب صغير: لنترك آخر قطعة بسكويت لي هذه المرة، اتفقنا؟",
      "spokenText": "لا داعي للاستعجال. حجزت مقعدين للغد في الساعة 7:45 مساءً. يمكننا الجلوس قرب النافذة، والحديث عن يومك، والاستمتاع بلحظة هادئة معًا. لكن لديّ طلب صغير: لنترك آخر قطعة بسكويت لي هذه المرة، اتفقنا؟",
      "englishGloss": "Take your time. I've reserved two seats for tomorrow at 7:45 in the evening. We can sit by the window, talk about your day, and enjoy a quiet moment together. Just promise you'll leave me the last cookie this time.",
      "scriptNotes": "Original synthetic Modern Standard Arabic, right-to-left. 7:45 مساءً means19:45; مقعدين means two seats. No explicit gendered address or speaker adjective. Natural MSA case endings, pause forms and equivalent quarter-to-eight phrasing are acceptable; accent stereotypes must not affect scoring."
    }
  ],
  "models": [
    "s2-pro",
    "s2.1-pro"
  ],
  "samples": 640,
  "mainPairs": 320,
  "orderReversedReviewsPerPair": 2,
  "identicalAudioControlPairs": 16,
  "judgeModel": "gemini-3.1-pro-preview",
  "synthesisSettings": {
    "text": "",
    "chunk_length": 100,
    "format": "pcm",
    "sample_rate": 24000,
    "mp3_bitrate": 64,
    "opus_bitrate": 64000,
    "references": [],
    "normalize": true,
    "latency": "balanced",
    "prosody": {
      "speed": 1.0,
      "volume": 0
    },
    "top_p": 0.7,
    "temperature": 0.7,
    "features": [
      "quality-guard"
    ]
  },
  "streaming": "Direct Fish WebSocket. One text message and flush for the full passage in every language, then stop; Fish may chunk internally. At most two synthesis sockets. No explicit language parameter: identical automatic language detection for both models. Fresh connection per sample.",
  "referencePolicy": "Existing locale-specific voice where present, else existing English bank slot, else active Fish slot; manually selected/cloned voices preserved. Each model pair always uses the exact same reference. This tests current character voices speaking the target language, not freshly selected native reference voices.",
  "masking": "Judge receives opaque pair ID, target language/locale, exact text/directions and audio only; no model names, identities, portraits, popularity, timings or file paths. Each pair gets two separate reversed-order judgments. Orchestrator holds labels; not independent human double-blind.",
  "primary": "Naturalness 1-5, S2.1 Pro minus S2 Pro. For each language average two order scores per character/model, then equal-weight 40 characters; 5000 paired character bootstrap samples stratified by gender. Descriptive overall macro averages eight language differences within each character and resamples whole character vectors; reviews and languages are not independent subjects. Language-level intervals are unadjusted descriptive comparisons, not multiple-testing evidence.",
  "secondary": [
    "Intelligibility",
    "Expressiveness",
    "Audio quality",
    "Text fidelity",
    "Stable preference requires same underlying winner or tie in both orders; tie/winner and opposite-winner disagreements are inconclusive.",
    "Two identical-audio pairs per language (one male and one female), reviewed in both orders; report false preferences without removing them.",
    "Direct cold-WebSocket TTFA is descriptive, not end-to-end production call latency."
  ],
  "limitations": [
    "One original scripted passage per language and one synthesis per voice/model/language; stochastic generation is not replicated.",
    "Eight languages selected for coverage, not traffic-weighted; no claim to all supported languages or native human listening assessment.",
    "Shared semantic passage tests conversation, emotional cues and numbers together; does not isolate each feature.",
    "Only one character has stored non-English language-specific reference slots; other references are cross-lingual and not established native accents.",
    "One AI judge can show order bias even when identical-audio controls pass.",
    "Same model repeated in reverse order is not an independent judge or sample.",
    "No reference recording to assess voice-clone identity fidelity.",
    "Earlier English study used sentence flushes; this uses one full-passage flush, so latency across studies is not directly comparable.",
    "No production settings changed."
  ],
  "protocolNotes": "Selection and English baseline are reused from the completed English study. Multilingual scripts, masking, control selection, transport settings and aggregation rules are frozen before new synthesis or judging.",
  "pairsSha256": "2a27b9470ae6282c850603fa7386079ac8a9ec7f7580bdb17937c06d0a11ec43",
  "generationJobsSha256": "46a03e40ee60f37baf4ea50d26bd8a0513e41113805ae146c2aaff1e8c249a27"
}
