AI audio generator for creating dialogue, music, ambience and sound effects from scene prompts
Expert data development for frontier AI
Stage
Not given
Established
Founded
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2019
Based in
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Not given
Pricing model
Freemium
Contact for pricing
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
Research-grade datasets with rubrics, reviewer guidance, difficulty tiers and eval slices
Custom data development for specific failure surfaces and use cases
Specialized agents built on expert data evaluated in real workflows
Benchmark-grade environments and evaluation harnesses
Provenance tracking with full audit trails for all labeled data
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
Research-driven data lab focused on quality and frontier-hardness rather than volume
Domain-specific benchmarks and evaluation environments built for real-world, high-stakes failures
Research methodology published and peer-reviewed with 200+ papers
Comprehensive data lifecycle from SFT to RL training to evaluation