添加视频复刻和优化脚本旁白
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@@ -83,10 +83,11 @@ PERSONA_BRIEFS: dict[str, str] = {
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}
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_PERSONA_KEY_BY_LABEL = {label: key for key, label in PERSONA_LABELS.items()}
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# 可懂语速上限 3.5 字/秒;15 秒口播还要有下限,否则模型写一句 20 字就收,撑不满。
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NARRATION_CHARS_PER_SECOND = 3.5
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NARRATION_CHARS_PER_SECOND_MIN = 2.4
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NARRATION_CHARS_HARD_CAP = 55
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# 成片有同期画面与自然停顿,3.5 字/秒会让 15 秒口播在约 10 秒时说完。
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# 电商真人口播以 3.6–4.5 字/秒为可用区间:既留出换气,也不会让画面空转。
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NARRATION_CHARS_PER_SECOND = 4.5
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NARRATION_CHARS_PER_SECOND_MIN = 3.6
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NARRATION_CHARS_HARD_CAP = 68
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VISUAL_CHARS_MIN = 72
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SHOT_BEATS_MIN = 3
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BEAT_SPAN_RE = re.compile(
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@@ -160,7 +161,7 @@ def coerce_combo(fmt: str | None, structure: str | None) -> tuple[str, str]:
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def narration_limit(duration: int) -> int:
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"""这一镜旁白的字数上限:秒数 × 3.5,且不超过硬上限 55。"""
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"""这一镜旁白的字数上限:秒数 × 4.5,且不超过硬上限 68。"""
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return max(1, min(NARRATION_CHARS_HARD_CAP, int(duration * NARRATION_CHARS_PER_SECOND)))
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