{
  "case": {
    "case_id": "hw7kVyxaPD0-es-to-en",
    "source_video_id": "hw7kVyxaPD0",
    "source_video": {
      "title": "Trabajadores de datos: el costo humano de la inteligencia",
      "url": "https://www.youtube.com/watch?v=hw7kVyxaPD0",
      "speaker_context": "DW Espanol source clip",
      "duration_seconds": 746,
      "uploader": "DW Español"
    },
    "source_language": "Spanish",
    "target_language": "English",
    "clip_range": "00:00-01:00",
    "model": "gemini-3.1-flash-lite-preview",
    "rounds": 10,
    "evaluation_mode": "relative shuffled ranking; source + five anonymous candidates per request",
    "winner": {
      "provider_key": "rask",
      "provider_name": "Rask",
      "top1_count": 5,
      "average_rank": 2,
      "borda_score": 40,
      "average_overall_score": 8.54
    },
    "providers": {
      "rask": {
        "provider_name": "Rask",
        "top1_count": 5,
        "average_rank": 2,
        "borda_score": 40,
        "average_overall_score": 8.54,
        "criteria_averages": {
          "translation_accuracy": 8.85,
          "spoken_naturalness": 8.35,
          "voice_similarity": 8.45,
          "speaker_separation": 8.75,
          "timing_alignment": 8.35,
          "overall_score": 8.54
        }
      },
      "heygen": {
        "provider_name": "HeyGen",
        "top1_count": 3,
        "average_rank": 2.8,
        "borda_score": 32,
        "average_overall_score": 8.02,
        "criteria_averages": {
          "translation_accuracy": 8.4,
          "spoken_naturalness": 7.9,
          "voice_similarity": 7.95,
          "speaker_separation": 8.15,
          "timing_alignment": 7.75,
          "overall_score": 8.02
        }
      },
      "elevenlabs": {
        "provider_name": "ElevenLabs",
        "top1_count": 2,
        "average_rank": 2.7,
        "borda_score": 33,
        "average_overall_score": 7.84,
        "criteria_averages": {
          "translation_accuracy": 8.1,
          "spoken_naturalness": 7.8,
          "voice_similarity": 7.8,
          "speaker_separation": 7.9,
          "timing_alignment": 7.6,
          "overall_score": 7.84
        }
      },
      "croon": {
        "provider_name": "CROON",
        "top1_count": 0,
        "average_rank": 3.4,
        "borda_score": 26,
        "average_overall_score": 7.52,
        "criteria_averages": {
          "translation_accuracy": 7.9,
          "spoken_naturalness": 7.35,
          "voice_similarity": 7.45,
          "speaker_separation": 7.6,
          "timing_alignment": 7.35,
          "overall_score": 7.52
        }
      },
      "youtube_auto": {
        "provider_name": "YouTube Auto-dub",
        "top1_count": 0,
        "average_rank": 4.1,
        "borda_score": 19,
        "average_overall_score": 6.83,
        "criteria_averages": {
          "translation_accuracy": 7.25,
          "spoken_naturalness": 6.8,
          "voice_similarity": 6.8,
          "speaker_separation": 6.85,
          "timing_alignment": 6.45,
          "overall_score": 6.83
        }
      }
    }
  },
  "ranking_rows": [
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 1,
      "candidate": "Candidate B",
      "rank": 1,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate B provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and speaker separation are also very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 1,
      "candidate": "Candidate A",
      "rank": 2,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 8.8,
      "translation_accuracy": 9.0,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 9.0,
      "timing_alignment": 9.0,
      "reason": "Candidate A is very strong, with a clear and professional delivery. The translation is accurate and the timing is well-synced, though it slightly lacks the emotional nuance of Candidate B."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 1,
      "candidate": "Candidate C",
      "rank": 3,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 8.0,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.0,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 8.0,
      "reason": "Candidate C is a solid dub, but the voice acting feels a bit more robotic compared to the top two. The translation is accurate, but the delivery lacks some of the conversational flow."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 1,
      "candidate": "Candidate D",
      "rank": 4,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "Candidate D has some issues with timing and the voice acting feels inconsistent. The translation is acceptable, but the overall flow is less natural."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 1,
      "candidate": "Candidate E",
      "rank": 5,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 6.0,
      "translation_accuracy": 6.5,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.0,
      "speaker_separation": 6.0,
      "timing_alignment": 5.5,
      "reason": "Candidate E has significant issues with timing and the voice acting is quite poor. The translation is also less accurate than the other candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 2,
      "candidate": "Candidate B",
      "rank": 1,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "This candidate provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and lip-sync are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 2,
      "candidate": "Candidate A",
      "rank": 2,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 8.8,
      "translation_accuracy": 9.0,
      "spoken_naturalness": 8.5,
      "voice_similarity": 9.0,
      "speaker_separation": 9.0,
      "timing_alignment": 8.5,
      "reason": "Very strong performance with good translation and natural delivery. The voice acting is convincing, though slightly less polished in timing compared to the top candidate."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 2,
      "candidate": "Candidate C",
      "rank": 3,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 8.0,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.0,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Good overall quality, but the translation feels slightly less fluid in some parts, and the voice acting lacks the same level of emotional depth as the top two."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 2,
      "candidate": "Candidate D",
      "rank": 4,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 7.5,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 7.5,
      "speaker_separation": 7.5,
      "timing_alignment": 7.0,
      "reason": "The translation is accurate, but the delivery feels a bit robotic at times, and the timing alignment is noticeably off in several segments."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 2,
      "candidate": "Candidate E",
      "rank": 5,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 6.5,
      "translation_accuracy": 7.0,
      "spoken_naturalness": 6.5,
      "voice_similarity": 6.5,
      "speaker_separation": 6.5,
      "timing_alignment": 6.0,
      "reason": "This candidate has the weakest performance, with unnatural phrasing and poor timing alignment that makes the dubbing feel disconnected from the visual content."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 3,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "This candidate provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and lip-sync are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 3,
      "candidate": "Candidate C",
      "rank": 2,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 8.8,
      "translation_accuracy": 9.0,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 9.0,
      "timing_alignment": 9.0,
      "reason": "Very strong performance with high accuracy and good naturalness. The voice acting is consistent and the timing is precise, though slightly less engaging than Candidate A."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 3,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 8.0,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.0,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 8.0,
      "reason": "A solid dubbing effort that is clear and accurate. The voice acting is decent, but it lacks the emotional depth and nuance found in the top two candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 3,
      "candidate": "Candidate E",
      "rank": 4,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 7.5,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 7.5,
      "speaker_separation": 7.5,
      "timing_alignment": 7.0,
      "reason": "The translation is accurate, but the delivery feels a bit robotic at times. The timing alignment is acceptable but not as seamless as the higher-ranked candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 3,
      "candidate": "Candidate B",
      "rank": 5,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.5,
      "translation_accuracy": 7.0,
      "spoken_naturalness": 6.5,
      "voice_similarity": 6.5,
      "speaker_separation": 6.5,
      "timing_alignment": 6.0,
      "reason": "This candidate struggles with timing and naturalness. The voice acting feels disconnected from the visual cues, making it less convincing as a professional dub."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 4,
      "candidate": "Candidate B",
      "rank": 1,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "This candidate provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 4,
      "candidate": "Candidate A",
      "rank": 2,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 8.5,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 8.5,
      "timing_alignment": 8.5,
      "reason": "A strong performance overall, though slightly less polished in its delivery compared to Candidate B."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 4,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 7.8,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "The translation is accurate, but the voice acting feels a bit more robotic and less engaging than the top two candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 4,
      "candidate": "Candidate C",
      "rank": 4,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 6.5,
      "translation_accuracy": 7.0,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.5,
      "speaker_separation": 6.5,
      "timing_alignment": 6.5,
      "reason": "The dubbing is functional but lacks the nuance and emotional depth of the higher-ranked candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 4,
      "candidate": "Candidate E",
      "rank": 5,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 5.0,
      "translation_accuracy": 5.5,
      "spoken_naturalness": 5.0,
      "voice_similarity": 5.0,
      "speaker_separation": 5.0,
      "timing_alignment": 4.5,
      "reason": "This candidate suffers from poor timing alignment and a less natural-sounding translation, making it the least convincing of the group."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 5,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate A provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 5,
      "candidate": "Candidate B",
      "rank": 2,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 8.5,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 8.5,
      "timing_alignment": 8.5,
      "reason": "Candidate B is very strong, with good translation and natural delivery, though slightly less polished than Candidate A."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 5,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 7.8,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Candidate D is solid but has some minor issues with timing and naturalness in certain segments."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 5,
      "candidate": "Candidate E",
      "rank": 4,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "Candidate E is acceptable but lacks the nuance and timing precision of the top candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 5,
      "candidate": "Candidate C",
      "rank": 5,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.0,
      "translation_accuracy": 6.5,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.0,
      "speaker_separation": 6.0,
      "timing_alignment": 5.5,
      "reason": "Candidate C has noticeable issues with timing and the voice acting feels less connected to the original performance."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 6,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate A provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and lip-sync are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 6,
      "candidate": "Candidate C",
      "rank": 2,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 8.5,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 8.5,
      "timing_alignment": 8.5,
      "reason": "Candidate C is very strong, with a professional delivery and good timing. It is slightly less natural in its phrasing compared to Candidate A."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 6,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 7.8,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Candidate D is a solid effort, but the voice acting feels a bit more robotic and less emotionally resonant than the top two candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 6,
      "candidate": "Candidate B",
      "rank": 4,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.5,
      "translation_accuracy": 7.0,
      "spoken_naturalness": 6.5,
      "voice_similarity": 6.0,
      "speaker_separation": 6.5,
      "timing_alignment": 6.5,
      "reason": "Candidate B has some issues with voice consistency and the timing feels slightly off in several segments, making it less convincing."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 6,
      "candidate": "Candidate E",
      "rank": 5,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 5.5,
      "translation_accuracy": 6.0,
      "spoken_naturalness": 5.5,
      "voice_similarity": 5.0,
      "speaker_separation": 5.5,
      "timing_alignment": 5.5,
      "reason": "Candidate E is the weakest, with noticeable issues in voice quality and poor synchronization with the visual cues."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 7,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate A provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 7,
      "candidate": "Candidate B",
      "rank": 2,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 8.5,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 8.5,
      "timing_alignment": 8.5,
      "reason": "Candidate B is very strong, with good translation and natural delivery, though it falls slightly behind Candidate A in overall polish."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 7,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 7.8,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Candidate D is a solid effort, but the voice acting feels a bit less dynamic and the timing is slightly off in a few places."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 7,
      "candidate": "Candidate E",
      "rank": 4,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "Candidate E has some issues with timing and the voice acting feels a bit robotic at times, making it less convincing."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 7,
      "candidate": "Candidate C",
      "rank": 5,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.0,
      "translation_accuracy": 6.5,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.0,
      "speaker_separation": 6.0,
      "timing_alignment": 5.5,
      "reason": "Candidate C is the weakest, with noticeable issues in timing and a less natural delivery that detracts from the overall experience."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 8,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "This candidate provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and lip-sync are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 8,
      "candidate": "Candidate C",
      "rank": 2,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 8.8,
      "translation_accuracy": 9.0,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 9.0,
      "timing_alignment": 9.0,
      "reason": "Very strong performance with high accuracy and good naturalness. The voice quality is consistent and the timing is precise, though slightly less expressive than Candidate A."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 8,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 8.0,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.0,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 8.0,
      "reason": "A solid dubbing effort that is easy to follow and accurate. The voice acting is decent, but it lacks the nuance and emotional depth found in the top two candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 8,
      "candidate": "Candidate B",
      "rank": 4,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "The translation is acceptable, but the timing and lip-sync are occasionally off, making it feel less like a professional production."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 8,
      "candidate": "Candidate E",
      "rank": 5,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 6.5,
      "translation_accuracy": 7.0,
      "spoken_naturalness": 6.5,
      "voice_similarity": 6.5,
      "speaker_separation": 6.5,
      "timing_alignment": 6.0,
      "reason": "This candidate has the most noticeable issues with timing and naturalness, making the dialogue feel somewhat robotic and disconnected from the visual cues."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 9,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate A provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and lip-sync are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 9,
      "candidate": "Candidate C",
      "rank": 2,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 8.5,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 8.5,
      "timing_alignment": 8.5,
      "reason": "Candidate C is very strong, with a professional and clear delivery. It is slightly less natural in some phrasing compared to Candidate A, but still highly convincing."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 9,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 7.8,
      "translation_accuracy": 8.0,
      "spoken_naturalness": 7.5,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Candidate D is good, but the pacing feels slightly off in a few places, and the voice acting lacks the emotional depth present in the top two candidates."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 9,
      "candidate": "Candidate E",
      "rank": 4,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "Candidate E has noticeable issues with timing and lip-sync, making it feel less like a professional production dub."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 9,
      "candidate": "Candidate B",
      "rank": 5,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.0,
      "translation_accuracy": 6.5,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.0,
      "speaker_separation": 6.0,
      "timing_alignment": 5.5,
      "reason": "Candidate B has the poorest timing and the least natural-sounding dialogue, with some awkward phrasing that detracts from the overall experience."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 10,
      "candidate": "Candidate A",
      "rank": 1,
      "provider_key": "rask",
      "provider_name": "Rask",
      "overall_score": 9.2,
      "translation_accuracy": 9.5,
      "spoken_naturalness": 9.0,
      "voice_similarity": 9.0,
      "speaker_separation": 9.5,
      "timing_alignment": 9.0,
      "reason": "Candidate A provides the most natural and accurate translation, with excellent voice acting that matches the tone and energy of the original speakers. The timing and pacing are very well-executed."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 10,
      "candidate": "Candidate C",
      "rank": 2,
      "provider_key": "croon",
      "provider_name": "CROON",
      "overall_score": 8.8,
      "translation_accuracy": 9.0,
      "spoken_naturalness": 8.5,
      "voice_similarity": 8.5,
      "speaker_separation": 9.0,
      "timing_alignment": 9.0,
      "reason": "Candidate C is very strong, with clear and professional voice acting. The translation is accurate and flows well, though it feels slightly less conversational than Candidate A."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 10,
      "candidate": "Candidate D",
      "rank": 3,
      "provider_key": "heygen",
      "provider_name": "HeyGen",
      "overall_score": 8.0,
      "translation_accuracy": 8.5,
      "spoken_naturalness": 8.0,
      "voice_similarity": 8.0,
      "speaker_separation": 8.0,
      "timing_alignment": 7.5,
      "reason": "Candidate D is a solid dub, but the voice acting lacks some of the emotional depth found in the top two candidates. The timing is generally good but has minor inconsistencies."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 10,
      "candidate": "Candidate E",
      "rank": 4,
      "provider_key": "elevenlabs",
      "provider_name": "ElevenLabs",
      "overall_score": 7.0,
      "translation_accuracy": 7.5,
      "spoken_naturalness": 7.0,
      "voice_similarity": 7.0,
      "speaker_separation": 7.0,
      "timing_alignment": 6.5,
      "reason": "Candidate E has some awkward phrasing and the voice acting is less consistent. The timing alignment is occasionally off, making it feel less like a professional production."
    },
    {
      "case_id": "hw7kVyxaPD0-es-to-en",
      "round": 10,
      "candidate": "Candidate B",
      "rank": 5,
      "provider_key": "youtube_auto",
      "provider_name": "YouTube Auto-dub",
      "overall_score": 6.0,
      "translation_accuracy": 6.5,
      "spoken_naturalness": 6.0,
      "voice_similarity": 6.0,
      "speaker_separation": 6.0,
      "timing_alignment": 5.5,
      "reason": "Candidate B is the weakest, with noticeable issues in translation flow and voice quality. The timing is frequently misaligned with the visual cues."
    }
  ]
}