Seed Audio

Seed Audio is a production-grade audio API that puts ByteDance Seed's research models — SeedTTS, SeedASR, and Seed-Music — into a single web interface. You can convert text to speech with natural-sounding voices, transcribe audio with high accuracy, generate controlled music, and even do real-time speech interpretation. The platform includes a console where you pick a voice (like Rachel or Adam), choose a language (English, Mandarin, Japanese, and more), type or paste text, and get back an audio file. Behind the scenes, requests go through a server-side API that keeps the KIE key off the client — so it's ready for production use without exposing credentials.

Seed Audio stands out because it bundles multiple audio AI capabilities from ByteDance's Seed research lab. SeedTTS handles voice synthesis and replication from short audio samples, with emotional expressiveness and long-form narration. SeedASR provides multilingual speech recognition. Seed-Music lets you generate and edit music with controlled composition. The console offers pre-built KIE audio APIs like TTS Turbo 2.5, Multilingual v2, Dialogue v3, and Audio Isolation — each tailored for different production tasks. The interface is minimal: you select a model, enter text, and hit generate. Results appear as a downloadable audio file.

This tool works best for content creators who need studio-quality voiceovers at scale, developers who want to integrate speech and transcription into their apps, and localization teams producing multilingual audio for global audiences. Educators can create audio lessons without a recording studio. The page lists specific use cases like dubbing, e-learning accessibility, and voice replication for consistent branding. If you need a reliable, research-backed audio AI pipeline — and you're okay with a no-frills web console — Seed Audio gets the job done.