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stepfun-tts

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Generates Chinese/Japanese speech with StepFun's Contextual TTS — default stepaudio-2.5-tts, stepaudio-3-tts for whisper/inline-() prosody. Replaces step-tts-2's voice_label with natural-language instruction. Use for emotional/prosody-controlled synthesis, batch voice lines, migrating from step-tts-2, or cloned voices (2.5/step-tts-2, not v3). Triggers on 阶跃 TTS, 语音合成, 配音. Not for transcription (use stepfun-asr).

When to use

• emotional/prosody-controlled synthesis
• batch voice lines
• migrating from step-tts-2
• cloned voices (2.5/step-tts-2)
• whisper/inline-() prosody
• A/B compare two TTS models

When not to use

• transcription
• cloned voices with v3

Skill page

Source