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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.

What is Seeduplex?

Seeduplex is a state-of-the-art full-duplex speech large language model that utilizes an innovative “listen while speaking” approach to enable voice interactions that are more natural, fluid, and accurately timed. In contrast to traditional half-duplex systems that alternate between listening and responding, Seeduplex continuously processes and understands user audio, allowing for simultaneous listening and speaking while remaining attuned to the surrounding soundscape. Its sophisticated interference suppression technology effectively distinguishes authentic user input from various background noises, such as music, announcements, navigation prompts, and overlapping dialogues, significantly reducing the chances of incorrect responses and interruptions in complex situations. Additionally, Seeduplex combines both speech and semantic features to achieve dynamic endpoint detection, enabling it to recognize when a user is considering, hesitating, correcting themselves, or has finished speaking. This model showcases its capability to patiently wait through thoughtful pauses, deliver quick replies immediately after a statement, and smoothly halt speech when interrupted, promoting a more engaging conversational experience. By focusing on creating interactions that feel more instinctive and responsive, the Seeduplex design ultimately seeks to elevate the overall user experience in voice communication. Its innovative features not only enhance clarity but also foster a sense of connection between users and technology.

Media

Media

Integrations Supported

Additional information not provided

Integrations Supported

Additional information not provided

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

StepFun

Company Location

United States

Company Website

static.stepfun.com/blog/stepaudio3/

Company Facts

Organization Name

ByteDance

Date Founded

2012

Company Location

China

Company Website

seed.bytedance.com/en/seeduplex

Categories and Features

Categories and Features

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