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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 Pika Soundtrack?

Pika Soundtrack is a groundbreaking model that converts silent videos into immersive audio experiences by incorporating motion-sensitive sound effects, music, ambient sounds, and voiceovers that harmoniously align with the visuals. Users can opt to leave the input prompt blank, allowing the model to generate a complete soundscape autonomously, or they can provide detailed guidance on which elements to emphasize, include, or omit. Unlike traditional approaches that simply overlay sounds onto videos, this model conducts an in-depth analysis of each scene, guaranteeing that every sound is perfectly timed and that all audio elements are coherent throughout the duration of the video. This meticulous synchronization facilitates a seamless integration of sound effects, ambient noises, music, and dialogue, creating an impression that these components coexist organically within the same setting. According to tests conducted by Pika, Soundtrack significantly outperformed other models, including LTX-2.3 Foley V2A, HunyuanVideo-Foley, and MMAudio v2, in delivering superior semantic coherence and minimal audiovisual misalignment in its comprehensive benchmarking. The capability to encapsulate the essence of a scene while ensuring clarity in audio makes Pika Soundtrack an exceptional option for video creators aiming to elevate their projects. Ultimately, this innovative model not only enhances the viewing experience but also opens new avenues for creativity in audiovisual storytelling.

Media

Media

Integrations Supported

Pika

Integrations Supported

Pika

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

Pika

Date Founded

2023

Company Location

United States

Company Website

experiment.pika.art/blog/pika-audio-models

Categories and Features

Categories and Features

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