AI audio generator for creating dialogue, music, ambience and sound effects from scene prompts
AI video generator that turns URLs and prompts into animated videos without code
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Freemium
Paid
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.
Not given
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
URL to video: paste a product link and the generator pulls name, logo and colour
Prompt to video: describe the video in text
Hand-drawn Sketch style: storybook scenes and line-art animation
Motion graphics style: bold kinetic type and dynamic layouts
Multiple aspect ratios: 16:9, 1:1, 9:16
Music and sound effects: automatic soundtrack and audio cues
18 language support: video text in 18 languages
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
Every frame written as code, not a video model: ensures sharp text and exact colours
No Claude subscription required: service runs Opus 5.5 for you at a fixed credit cost
URL extraction: automatically pulls product details from a webpage
Quick generation: usually 1 to 5 minutes per video
Credit refund on failure: automatic credit return if video generation fails
SeedAudio
Opus 5.5 Video