What is StepAudio 3?
StepAudio 3 marks a significant leap in StepFun's series of audio models, crafted to understand, generate, and interact through different sound modalities such as voice, music, and ambient noises. This series includes a range of specialized models, namely StepAudio 3 Realtime for interactive full-duplex conversations, StepAudio 3 ASR focused on precise speech recognition, StepAudio 3 TTS designed for smooth speech synthesis, StepAudio 3 Gen for diverse audio creation, and StepAudio 3 Music tailored for composing lengthy musical works. The Realtime model innovatively operates with an ongoing loop of listening, conversing, reflecting, and responding, skillfully capturing not only spoken language but also subtle cues like laughter, hesitation, emotions, and interruptions. Unlike conventional systems, it can simultaneously process information and provide replies, adeptly handle intricate inquiries without breaking the flow of dialogue, and utilize various tools to accomplish tasks once it comprehends the user’s intent. In addition, StepAudio 3 Gen merges multiple capabilities such as zero-shot TTS, voice design, vocal creation, sound effects, and mixed audio generation into a unified platform. Meanwhile, StepAudio 3 Music excels in crafting songs controlled by text, instrumental pieces, and vocal compositions, thus serving as a robust asset for audio innovation. This groundbreaking suite highlights the fusion of interaction and creativity, setting new standards for the potential of audio models in various applications. Each model contributes to a holistic experience, ensuring that users are empowered to explore a vast landscape of auditory possibilities.