AI audio generator for creating dialogue, music, ambience and sound effects from scene prompts
Photo to video AI: turn one photo into a short animated video
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
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.
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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
93 preset effects across 12 themed collections
Free watermarked preview without sign-in
Generates vertical 6 to 8 second MP4 videos
Holiday and seasonal effects including Valentine's Day, Easter, Halloween, Thanksgiving and Christmas
Photo-to-video effects like aging, zoom out to Earth, and red carpet scenes
Pet animation effects
Download as 720p MP4 without watermark or end card
Failed generations automatically return credits
One credit pack at a time, no batch generation
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
Pay once per video with no subscription required
One free watermarked preview per person before purchasing
93 preset effects curated and tested frame-by-frame by an independent maker
Results are private by default unless chosen to be shared