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如何写出更好的 Seedance 2.5 视频 Prompt
Seedance 2.5 是 HiArt 上字节跳动最长的多模态视频模型:最长 30 秒、原生同步音频,以及最多 50 个媒体文件 的全能参考。结果仍然高度依赖 Prompt——尤其是多个
@ 参考共享一次生成时,如何分配角色。本指南覆盖适合更长、参考更丰富片段的语法与写法。若需产品概览,请先读 Seedance 2.5 是什么? 或 模型页。
可以上传什么
写 Prompt 前先规划素材——Seedance 2.5 可比 Seedance 2.0 接收更多文件,未在 Prompt 中引用的上传会浪费积分并干扰模型。
输入上限
输入 | 上限 | 格式 | 单文件大小 |
|---|---|---|---|
图片 | ≤ 30 | jpeg, png, webp, bmp, tiff, gif | 各 30 MB |
视频 | ≤ 10 | mp4, mov | 各 50 MB |
音频 | ≤ 10 | mp3, wav | 各 15 MB |
文本 | 自然语言 Prompt | — | — |
合计 | ≤ 50 个文件 | — | — |
输出规格
- 时长:4–30 秒(自选)
- 原生同步对白、音效与背景音乐,支持口型同步
- 分辨率:480p 或 720p
须知
- 上传内容中的真实人脸会因合规被拦截——请使用风格化或非写实参考。
- Prompt 中应提及每一个已上传文件;孤儿参考会破坏一致性。
- 20–30 秒脚本务必写清节拍——不要丢一整段无时间标记的文字。
- 若需要 15 秒内的 1080p?在 2.5 或 Fast 上锁定 Prompt 后,切到 Seedance 2.0。
@ 参考系统
每个上传素材都有槽位——
@Image1、@Video2、@Audio1 等。模型不会自行推断用途,必须在 Prompt 里明确说明。@Image1 @Image2 @Image3 … 最高 @Image30 @Video1 @Video2 … 最高 @Video10 @Audio1 @Audio2 … 最高 @Audio10
常见参考角色
用途 | 示例 |
|---|---|
首帧 | @Image1 as the first frame |
尾帧 | @Image2 as the last frame |
角色外观 | @Image1's character as the subject |
多镜头身份锁定 | keep the character consistent with @Image1 @Image2 @Image3 |
场景 / 背景 | scene references @Image8 |
运镜 | reference @Video1's camera movement |
动作 / 编排 | reference @Video1's action choreography |
特效 / 转场 | completely reference @Video1's effects and transitions |
节奏 | video rhythm references @Video1 |
背景音乐 | BGM references @Audio1 |
声线 / 对白语气 | voice tone references @Audio2 |
音效 | sound effects reference @Video3's audio |
镜头需要时可以叠多个角色——这对 2.5 更大的参考额度尤其有用:
@Image1's character as the subject, wardrobe from @Image2, scene references @Image3 @Image4, camera and pacing from @Video1, BGM references @Audio1, dialogue tone references @Audio2
如何组织 Prompt
强 Prompt 通常按这个顺序:
[Subject] + [Scene] + [Action/Motion] + [Camera] + [Timing] + [Effects/Transitions] + [Audio] + [Style/Mood]
超过约 10 秒——尤其是 20–30 秒的 Seedance 2.5 渲染——请把动作拆成带时间的节拍:
0–5s: opening hook, establish subject and location 5–12s: develop action / product benefit 12–20s: climax, key reveal, or dialogue turn 20–30s: resolution, brand end card, music settle
镜头语言速查
Seedance 对标准电影术语响应良好。把运动与景别组合,可获得更细控制。
运动
术语 | 作用 |
|---|---|
Push in / Slow push | 镜头推向主体 |
Pull back | 镜头远离主体 |
Pan left/right | 水平摇镜 |
Tilt up/down | 垂直俯仰 |
Track / Follow shot | 跟随主体 |
Orbit / Revolve | 环绕主体 |
One-take / Oner | 一镜到底,无剪辑 |
景别
术语 | 画框 |
|---|---|
Extreme close-up | 眼、口或小细节 |
Close-up | 面部充满画面 |
Medium shot | 腰部以上 |
Full shot | 全身 |
Wide / Establishing | 完整环境 |
在 Seedance 2.5 上好用的例子
用多张参考锁定角色一致
使用多张外观图,再编排更长场景:
Keep the character consistent with @Image1 @Image2 @Image3. Wardrobe from @Image4. Scene references @Image5. 0–6s: The character walks into a warm apartment hallway, medium shot, natural dialogue under breath. 6–14s: Close-up — they pause at the door, exhale, soft smile. 14–22s: Door opens; child and pet rush in. Interior references @Image6. 22–30s: Wide shot of the living room, warm practical lights, music settles. BGM references @Audio1. Voice tone references @Audio2.
多参考驱动的音乐卡点剪辑
@Image1 through @Image8 are keyframe looks for the same performer. Match the cut rhythm of @Video1 and the beat of @Audio1. 0–8s: Close-ups and handheld energy, lip sync to @Audio1. 8–18s: Wider dance moves; completely reference @Video2's choreography. 18–30s: Orbit around the performer, neon city lights, final freeze on logo. More dynamic motion; dreamlike grade; beat-synced transitions.
复刻运镜并拉长故事
Reference @Image1's character in @Image2's elevator. Completely reference @Video1's camera movements and facial expressions for the first half. 0–8s: Hitchcock zoom during the fear beat, then orbit the cabin. 8–16s: Doors open; follow shot into a lobby that references @Image3. 16–24s: Character walks to glass exit; rain streaks on windows. 24–30s: Exterior night street, pull back to wide, music drops to silence. Ambient SFX; tense piano BGM.
带旁白的 30 秒产品故事
Hero product is @Image1. Lifestyle context from @Image2 @Image3. Editing energy references @Video1. Voiceover cadence references @Audio1. 0–5s: Product rotates into frame, macro on texture and logo. 5–12s: Angle transitions — front, side, detail — with scanning highlight. 12–20s: Product in real usage; hands and environment stay clean. 20–26s: Benefit line as natural dialogue / VO synced to picture. 26–30s: Hero end frame, brand tagline, music resolves. Sound: BGM references @Audio2; add subtle product interaction SFX.
风格与音频修饰词
在 Prompt 末尾追加短句,引导画面与声音:
- 视觉:
Cinematic quality, film grain, shallow depth of field·2.35:1 widescreen, 24fps·Anime style/Photorealistic - 情绪:
Tense and suspenseful·Warm and healing·Epic and grand - 音频:
Background music: grand and majestic·Beat-synced transitions·Lip-synced dialogue·Voice tone reference @Audio1
更长片段的快速工作流
- 确定视频类型——广告、短剧、MV、产品故事、教学。
- 只收集会引用的参考,并为每个映射
@槽位。 - 为完整时长写节拍(尤其超过 15 秒时)。
- 给每个
@参考分配角色——外观、运镜、BGM、旁白等。 - 在 Seedance 2.5 上以 480p/720p 生成;下一轮收紧含糊句子。
- 若之后需要 15 秒内 1080p,把锁定的 Prompt 迁到 Seedance 2.0。
常见错误
- 模糊参考 — 只写 "reference @Video1",却不说明运镜、动作或节奏。
- 未使用的上传 — 挂了二十张图,Prompt 只提五张。
- 无时间的 30 秒脚本 — 一整段文字没有节拍标记,很少成功。
- 冲突的镜头说明 — 同一段既要静止又要环绕。
- 前几秒塞太满 — 开场 4 秒内三次场景切换。
- 没有音频方向 — 在 2.5 上,声音与口型是重要质量杠杆。
- 时长错配 — 30 节拍大纲却选了 10 秒输出。
可复制模板
30 秒产品广告
Reference @Video1's editing style and camera transitions. Replace @Video1's product with @Image1 as the hero product. Lifestyle frames @Image2 @Image3. 0–5s: Product enters with dynamic rotation, close-up on texture and logo. 5–12s: Angle transitions — front, side, back — with highlight scanning light. 12–20s: Product in lifestyle usage context with natural motion. 20–26s: Short synced VO describing the key benefit. 26–30s: Hero shot, brand tagline, music builds to resolution. Sound: Reference @Audio1 for BGM. Add product interaction SFX.
24 秒短剧
Characters consistent with @Image1 and @Image2. Interior references @Image3. 0–6s: Close-up on reddened eyes, finger pointing, tears. Dialogue (A): "What exactly are you trying to take from me?" 6–14s: Other character trembles, holds evidence, steps forward. Dialogue (B): "I'm not deceiving you! This is what he entrusted to me!" 14–20s: Evidence revealed. A freezes — anger shifts to shock. 20–24s: Wide shot; rain on the window; music softens to a single piano note. Sound: Urgent piano early, static interference, sobbing, button click.
20 秒舞蹈 / 对口型片段
Have the character in @Image1 replicate the dance moves from @Video1 and lip-sync to @Audio1. Generate a 20-second video. 0–8s: Tight framing, sharp beat hits, clear mouth shapes. 8–16s: Wider full-body choreography, smooth motion, no stuttering. 16–20s: Orbit finish, freeze on pose, music ring-out. Movements smooth; neon stage lighting; vertical 9:16.
准备试试?在 HiArt 画布 打开视频节点,选择 Seedance 2.5,只上传会引用的参考,粘贴本指南中的带时间模板。先用一张角色外观、一条清晰动作弧线、一段音频参考——再随更长时间线叠加更多
@ 槽位。时长与分辨率取舍见 Seedance 2.5 vs 2.0。