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Seed Audio 1.0

All text to audio models
Text to Audio

Seed Audio 1.0 is a new audio model from Bytedance that can generate high-quality, natural sounding audio using text, reference audios or an image.

Inference$ Commercial useFrom 1 credit per run

About Seed Audio 1.0

Seed Audio 1.0 is a new audio model from Bytedance that can generate high-quality, natural sounding audio using text, reference audios or an image.

Pricing

A run with the default settings costs 1 credits. The exact cost updates in the playground as you change settings, and you're only charged when you press Run. Failed runs are refunded automatically.

Inputs

prompttextarearequired

Prompt or text to synthesize. Reference audio inputs by order with @Audio1, @Audio2, @Audio3.

voicetext

Voice to use for synthesis: either a preset voice name or a cloned voice id.

audio_urlsfile-list

Up to 3 reference audio URLs, referenced in prompt as @Audio1, @Audio2, @Audio3. Each clip: up to 30s, 10MB, wav/mp3/pcm/ogg_opus.

image_urlfile

A single reference image URL (jpeg/png/webp, up to 10MB). Cannot be combined with audio references.

output_formatselectdefault: "mp3"

Output audio format.

Options: wav, mp3, pcm, ogg_opus

sample_rateselectdefault: 24000

Sample rate of the output audio in Hz.

Options: 8000, 16000, 24000, 32000, 44100, 48000

speednumberdefault: 1

Speech speed. 1.0 is normal speed, 0.5 is half speed, 2.0 is double speed.

volumenumberdefault: 1

Volume. 1.0 is normal volume, 0.5 is half, 2.0 is double.

pitchintegerdefault: 0

Voice pitch shift in semitones. 0 is normal pitch, -12 lowers by one octave, 12 raises by one octave.

multilingualbooleandefault: false

Use the multilingual model variant, which handles non-English and mixed-language prompts better.

enable_safety_checkerbooleandefault: true

Authorized callers may set false to request relaxed screening.

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