Seed Audio 1.0 — AI Voice Generation
Generate natural, expressive AI speech from text or reference audio.
What Seed Audio 1.0 can do
Text to speech (TTS)
Turn your text into natural, expressive speech. Multilingual, including Japanese.
20 preset voices
Pick from several preset voices to match your tone and use case.
Voice cloning
Reproduce a voice from reference audio (up to 3 clips, 30s each).
Speed & pitch control
Fine-tune speaking speed and pitch.
How it works (4 steps)
Enter text
Type the script you want to voice.
Choose a voice
Select a preset voice, speed and pitch.
Generate
Audio is generated in seconds.
Play & save
Preview and export as MP3 / WAV.
Audio samples
Japanese voice samples generated with Seed Audio 1.0.
Greeting
「Hello. Welcome to Seed Audio.」
Narration
「Generate natural, expressive AI speech right now.」
News read
「Today's weather is clear, with a high of twenty degrees.」
Frequently asked questions
What is Seed Audio 1.0?
An audio generation model by ByteDance. It generates natural speech from text or reference audio (text-to-speech and voice cloning).
Does it support Japanese?
Yes. It supports many languages, including Japanese.
Can I clone my own voice?
Yes — from reference audio (up to 3 clips, 30s each).
Is it free?
You can try it with free credits, then top up based on usage. See the pricing page for details.