AI audio generator for creating dialogue, music, ambience and sound effects from scene prompts
Transfer movements and expressions from reference videos to static images with precision
Stage
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Pricing model
Freemium
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Pricing
Free plan with 10 free credits. Pro: $19.99/month (monthly) or $199.90/year (30,000 credits/year); Max: $49.99/month (monthly) or $499.90/year (90,000 credits/year). Credit packs also available.
Starter: $42.00/month (annual) or $50.00/month (monthly) - 5000 credits/month, 100 seconds video motion transfer/month. Pro: $84.00/month (annual) or $100.00/month (monthly) - 10000 credits/month, 200 seconds video motion transfer/month. Ultimate: $167.00/month (annual) or $200/month (monthly) - 200
Key features
Multi-speaker dialogue generation with emotional tone and timing control
Scene ambience and background music composition
Voice cloning with audio reference guidance
Image and audio reference inputs for contextual generation
Output format customization: WAV, MP3, PCM, OGG Opus
Adjustable sample rate from 8 kHz to 48 kHz
Speed, volume and pitch controls on generated audio
API access for Pro and Max plan holders
Up to 2 minutes maximum audio duration per generation
Preset voices including Vivi 2.0, Sophie 2.0, Monkey King 2.0, Magnus and Celeste
Dynamic reference motion with skeletal structure analysis
Full-body synchronization with 99% anatomical accuracy
Temporal attention layers for seamless character consistency
Motion retargeting to stylized characters
Adaptive physics matching for proportional characters
Precise facial expression mapping and micro-expressions
Lip synchronization for dialogue and speech
Gaze tracking and eye direction control
Video generation up to 60 seconds with temporal consistency
Cloud-based rendering on any device
What makes it different
All-in-one audio generation combining dialogue, music, ambience and effects in a single mixed track
Scene-first workflow directing complete audio narratives rather than separate speech generation
Powered by ByteDance's Seed Audio 1.0 model for professional-quality audio generation
Multimodal input supporting text prompts combined with images or multiple audio references
Voice cloning capability using authorized audio references to guide vocal character and delivery
Eliminates jitter and motion instability with proprietary stability algorithms
Supports up to 60 seconds of continuous video without loss of character identity
Preserves artistic style and texture consistency during motion
Integrated action library for instant animation without reference videos
Parallel generation and simultaneous video processing
SeedAudio
AI Motion Control