Seedance 1.5 Pro with Audio-Visual Generation x ImagineArt — A Complete Overview

Seedance 1.5 Pro is a serious upgrade to ByteDance’s AI video generator series that creates AI videos with built-in audio-visual support, native speech and multilingual dialogue from text and images. Seedance 1.5 Pro can currently generate 4-12 second videos in 480p and 720p resolution running at 24 frames per second.

Seedance 1.5 Pro Highlights

The key differentiator in Seedance 1.5 Pro is the co-generation of audio and dialogues with videos. Here is how this version is killing it:

Seedance 1.5 Pro on ImagineArt

Natural speech and dialogue generation

Seedance 1.5 Pro generates natural-sounding, context-aware and emotionally-grounded speech. I found the dialogues flowing with realistic pauses, emphasis, and intonation which showed the scenes were ‘performed’ not generated! Now with built-in speech, there is no need for post-production audio voiceovers.

Group conversations and multi-speaker scenes

Unlike many AI video models limited to single voices, Seedance 1.5 Pro supports multi-speaker conversations within one scene. Characters take turns naturally, overlap slightly when appropriate, and maintain distinct vocal identities. This is great because now you can generate interviews, debates, panel discussions, and narrative group scenes, only that they will look more natural than ever.

Dialogue timing and pacing in cinematic contexts

Seedance 1.5 Pro generates dialogue delivery with visual pacing, camera cuts, and emotional beats. Speech timing is intentional:

• slower for dramatic moments
• faster for informational scenes

You won’t find the videos rushed or mechanically synchronized.

Support for multilingual and mixed-language conversations

Now here are two highlights:

• you can create dialogues in multiple languages
• you can create group compositions with multi-lingual speech

This multilingual dialogue generation will change global storytelling: news, and regional marketing, product marketing, films and creative production.

Seedance 1.5 Pro Features

1. Audio-visual generation in a single workflow

Seedance 1.5 Pro combines visuals, dialogue, speech, and sound effects in one unified generation process. This eliminates manual audio layering and keeps visuals and sound tightly synchronized from the first render.

2. Text-to-video and image-to-video support

You can generate videos directly from detailed text prompts or use reference images to guide characters, composition, and visual style. This flexibility supports everything from concept ideation to structured production workflows.

AI Videos with Seedance 1.5 Pro

3. Built-in dialogue, speech, and environmental audio

The model generates spoken dialogue, background ambience, and contextual sound effects together. This creates complete scenes: immersive and production-ready shots without relying on third-party audio tools.

4. Real-time lip-sync and facial alignment

Lip movements and facial expressions align precisely with generated speech. This results in believable performances, especially in close-up shots and dialogue-heavy scenes where realism quickly breaks if sync feels off.

5. Cinematic framing and camera control

Seedance 1.5 Pro supports intentional camera movement, shot framing, and perspective control. You can guide angles, motion, and pacing to achieve cinematic compositions rather than static, template-style videos.

Language support in Seedance 1.5 Pro

Seedance 1.5 Pro supports 5+ international languages which makes it a pro tool for authentic speech generation across major global and regional markets. Building onto it, multilingual video creation at scale usually demands multiple voice actors, studios, and edits. So Seedance 1.5 Pro lowers cost and turnaround time while keeping language, tone, and cultural delivery consistent across regions.

Supported languages include:

1. English
2. Mandarin
3. Japanese
4. Korean
5. Spanish
6. Indonesian
7. Shaanxi dialect (China)
8. Sichuan dialect (China).

Use Cases of Seedance 1.5 Pro

With built-in dialogue and sound effects, Seedance is definitely the affordable video world-builder for these creative possibilities:

News generation and multilingual summaries

Seedance 1.5 Pro lets media teams produce news videos with native speech and dialogue in multiple languages. It automatically syncs visuals, narration, and environmental audio, enabling quick turnaround for breaking news, multilingual bulletins, and global reporting without hiring multiple voiceover actors or doing extensive post-production.

AI-generated summaries and explainers

The model efficiently converts articles, reports, or presentations into concise video explainers. Dialogue, captions, and supporting visuals integrate seamlessly, making complex information digestible for audiences. Multilingual output and synchronized lip-sync ensure the explainer videos remain professional, engaging, and ready for global distribution.

Previsualization and pitch videos for film and media

Filmmakers and creative directors can use Seedance 1.5 Pro to produce short clips for storyboarding, concept presentations, and investor pitches. It preserves scene continuity, camera framing, and dialogue cues, giving teams realistic previsualizations that communicate tone, pacing, and visual storytelling effectively.

Film and video production concepts

Seedance 1.5 Pro supports cinematic scene creation with realistic camera movement, lighting, and lip-synced dialogue. Production teams can generate multiple scene variations rapidly, experiment with multilingual dialogue, and preview concepts before committing to costly shoots or full-scale production.

Created with ImagineArt

Product marketing and brand storytelling

Marketing teams can craft promotional videos with product demos, voiceovers, and contextual environments in one workflow. Seedance 1.5 Pro ensures professional lip-sync, natural speech, and cinematic composition, ideal for advertisements, social media campaigns, and global brand storytelling.

Narrative-driven storytelling videos

Storytellers can produce character-driven videos with realistic dialogue, environmental audio, and cinematic framing. Seedance 1.5 Pro maintains character consistency, scene continuity, and multilingual narration, enabling authors, educators, or content creators to craft immersive stories without traditional film production overhead.

How to Write Prompts for Seedance 1.5 Pro

Seedance 1.5 Pro follows simple and detailed prompts and accurately renders both categories.

Here is a breakdown of a detailed prompt for text to video workflow:

• Start with subject, character and action.

Figure walking toward the door, woman moving head and speaking, singer performing, robot assembling itself. The subject should include gestures and facial expressions.

• Describe the scene and environment

For example, night sea, museum gallery, opera stage, clay tabletop. Add details like lighting, style, atmosphere, and visual aesthetics.

• Add camera direction

For example push-in, focus on face, static to simulate stop-motion. Camera direction should cover movement, zoom, framing, perspective.

• Audio / Sound Design

For example ocean waves, hum of light, opera voice, ASMR textures..

• Timing / Pacing

These are instructions about pauses and sequence timing.

• Style / Artistic Treatment

For example baroque lighting, claymation imperfections, retro-futuristic robot.

• Technical Notes

4K, lighting quality, step-frame animation, camera control.

Seedance 1.5 Pro Prompt Examples

Prompt 1: Hooded Figure in Futuristic Alley

A hooded figure sprints through puddles, vaults over crates, and glances behind nervously as they navigate a neon-lit futuristic city alley at night. The rain-slick cobblestones reflect the vibrant lights, and mist curls around lampposts, creating an atmospheric tension. The camera tracks from behind at a low angle, slightly shaky to enhance the sense of urgency. Footsteps splash in the water, distant sirens wail, rain patters, and soft electronic hums from neon signs fill the audio landscape. The scene embraces a cyberpunk aesthetic with saturated colors and cinematic lens flares. Over eight seconds, the sequence accelerates with each vault, climaxing as the figure disappears into the mist. The technical setup is 4K, 24fps, with dynamic lighting emphasizing reflections.

Prompt 2: Bard in Medieval Tavern

A bard strums a lute, taps their foot, and sings a jovial tune with expressive gestures inside a warmly lit tavern interior. Wooden beams and flickering candlelight cast dramatic shadows across the smoky air, adding to the medieval authenticity. The camera starts with a static wide shot to capture the environment and smoothly pans to a close-up of the bard’s face. Lute strumming and clear melodic singing are complemented by murmurs of tavern patrons and the clinking of mugs. The scene features a painterly, slightly grainy texture, evoking a historical feel. The song line is delivered fully with natural pauses between stanzas. Technical details include 1080p resolution, 24fps, and soft focus on the background to emphasize the bard.

Prompt 3: Young Mage in Magical Forest

Subject/Action: A young mage raises staff, summoning a glowing creature that hops toward them, reacting to gestures.

Scene: Sun-dappled enchanted forest, mist curling around moss-covered rocks, sparkling particles in air.

Camera: Slow push-in from ground level to mid-shot, focusing on mage and creature interaction.

Audio: Leaves rustling, soft magical chimes, creature making curious sounds, gentle wind.

Style: Fantasy realism with whimsical lighting and color grading.

Timing: Creature appears gradually, pauses before reacting, mage’s incantation delivered slowly.

Technical: 4K, 24fps, smooth motion to retain magical atmosphere.

Prompt 4: Tiny Mechanical Bird in Workshop

Subject/Action: A tiny mechanical bird assembles itself piece by piece, flapping wings and nodding at camera.

Scene: Wooden workbench with scattered brass cogs, gears, and hand tools, warm afternoon light.

Camera: Static close-up to highlight hand-crafted textures, subtle frame-step animation effect.

Audio: Soft clinking of gears, metallic creaks, gentle wind from open window, ASMR-style tactile sounds.

Style: Retro-futuristic steampunk, textured, warm tones.

Timing: 6-second assembly sequence, bird completes final movement and chirps once.

Technical: 4K, 24fps, controlled lighting to enhance tactile detail.

Pros and Cons of Seedance 1.5 Pro

Why Use Seedance

• Seedance 1.5 Pro is faster, smarter and cheaper than Kling 2.6, Veo 3.1, Sora 2 Pro.
• Seedance 1.5 Pro’s multilingual group compositions are best.
• Seedance 1.5 Pro is best for bulk content creation because an 8-sec video with audio will cost under $1.5!
• Seedance 1.5 Pro is best for faceless YouTube channels. Put video, audio, speech, pitch, summary and news altogether naturally.

Why check Seedance’s alternatives

• Seedance is good for realism but not good enough when you compare Google Veo 3.1, Hailuo, Runway, Sora 2 Pro and Kling.
• Seedance 1.5 Pro does create jitters so it doesn’t render as flawless videos as Kling 2.6.
• Seedance 1.5 Pro doesn’t offer video-to-video yet, so you need an AI creative suite like ImagineArt for other creative production needs.

Seedance 1.5 Pro vs Other AI Video Generators

Here is how Seedance 1.5 Pro compares to other best AI video generators on ImagineArt:

Seedance 1.5 Pro vs ImagineArt AI Video Generator

ImagineArt is an AI creative suite and goes beyond simple AI video generation with video-to-video and team collab features. Nevermind because ImagineArt AI video generator also offers Seedance 1.5 Pro in its basic subscriptions.

Seedance 1.5 Pro vs Kling 2.6

Seedance 1.5 Pro is even cheaper per generation than Kling 2.6 with Native Audio yet offers better native speech, natural dialogue, and environmental audio. Whereas, Kling 2.6 focuses more on motion control and visual consistency. Kling is faster but Seedance is more accurate!

Seedance 1.5 Pro vs Sora 2 Pro

Sora 2 Pro leads in high-end cinematic realism and motion physics, but it’s more expensive and slower to render than Seedance 1.5 Pro. Both deliver strong dialogue and multilingual audio but Seedance 1.5 is best for bulk generations.

Seedance 1.5 Pro vs Google Veo 3.1

Google Veo 3.1 excels at ultra-high fidelity video realism and lighting for complex multi-object scenes, but costs more and generates slower. Seedance 1.5 Pro wins on built-in dialogue and multilingual support, giving you ready-to-publish audio without external tools and at a lower overall price.

Seedance 1.5 Pro vs Runway Aleph

Runway Aleph offers rich editing tools, object tracking, and remix workflows, but its audio capabilities are limited and separate. Seedance 1.5 Pro integrates real dialogue and lip-sync directly into generation, which is more efficient for narrated content or conversational videos.

Ready to use Seedance 1.5 Pro?

For cinematic-quality, multilingual, and fully audio-synced AI videos, try Seedance 1.5 Pro on ImagineArt today.