Stable Audio

Stable Audio is an audio generation model developed by Stability AI, designed to produce high-quality audio samples and sound effects from text prompts.

Features of Stable Audio Open

1. Text-to-Audio Generation:

   • Users can generate audio content by entering text descriptions of musical elements such as instruments, rhythm, melody, etc.

2. High-Quality Sound Effects and Music Clips:

   • Using deep learning technology, Stable Audio can generate realistic, high-quality sound effects and musical segments to meet a variety of user needs.

3. Support for Various Instrument Sounds:

   • The model can generate sounds of various instruments, including piano, guitar, drums, and more, providing a rich selection for users.

4. Sound Design Support:

   • In addition to musical instrument sounds, the model can generate environmental sounds and special effects, making it suitable for sound design and game development.

5. Customizability:

   • Users can fine-tune model parameters or use specific text descriptions to generate audio clips with a particular style according to their needs.

Features of Stable Audio 2.0

1. High-Quality Music Generation:

   • Users can generate up to 3 minutes of 44.1kHz high-fidelity music through text descriptions or by inputting audio samples. It supports various music genres such as rock, jazz, electronic, and hip-hop.

2. Advanced Technical Architecture:

   • Utilizing Diffusion Transformer (DiT) technology, Stable Audio 2.0 gradually converts random noise into structured audio data, recognizing and reproducing complex patterns and relationships to generate coherent, high-quality music.

3. Efficient Generation Speed:

   • Compared to its previous version, Stable Audio 2.0 significantly improves music generation efficiency, completing a 3-minute music piece in about 1 minute.

4. Extensive Dataset Training:

   • The model was trained on over 800,000 audio files and 19,500 hours of audio data, ensuring the generated music is rich in detail and realism.

5. Commercial Use Support:

   • In collaboration with renowned music service provider AudioSparx, music generated by Stable Audio 2.0 can be used for commercial purposes, providing convenience for content creators and advertisers.

6. Diverse Output Formats:

   • Generated music can be downloaded in various formats, including MP3, WAV, and Video, catering to different user needs.

Pricing Plans

1. Free Version:

   • Generation Limit: Up to 20 audio files per month.
   • Audio Length: Each audio clip can be up to 45 seconds long.
   • Usage Restrictions: Generated audio cannot be used for commercial purposes.

2. Paid Version (Professional Plan):

   • Price: $11.99 per month.
   • Generation Limit: Up to 500 audio files per month.
   • Audio Length: Each audio clip can be up to 90 seconds long.
   • Usage Rights: Generated audio can be used for commercial purposes.

Application Scenarios

1. Music Creation:

   • Quick Instrumental Clips: Helps music producers quickly generate instrumental clips such as piano, guitar, and drum segments, speeding up the creative process.
   • Harmony and Melody Generation: Generates harmonies and melodies from text descriptions, adding depth and detail to musical works.

2. Sound Design:

   • Environmental Sound Effects: Generates realistic environmental sounds like birdsong, rain, and city noise, useful for films, animations, and games.
   • Special Effects: Creates special effects sounds such as explosions or magical sound effects to enhance the audiovisual experience.

3. Game Development:

   • Character Sound Effects: Generates unique sound effects for game characters, such as footsteps or attack sounds, enhancing immersion.
   • Scene Sound Effects: Creates background sounds for game scenes like forests, oceans, or cities, boosting the game's atmosphere.

4. Advertising Soundtracks:

   • Background Music: Quickly generates background music that matches the content of advertisements, increasing the appeal and impact of the ads.
   • Sound Design: Designs specific sound effects for scenes in ads to enhance their expressiveness.

5. Education and Research:

   • Academic Research: Can be used in audio synthesis, machine learning, and musicology research to experiment and analyze generated audio.
   • Teaching Tool: Helps students understand audio generation technology and music creation by serving as a practical teaching tool.

6. Business and Marketing:

   • Audio Branding: Creates unique sound effects or audio identities for ads and brands, enhancing brand recognition and loyalty.
   • Audio Logos: Develops audio logos and brand sounds, increasing the brand’s market influence.

Open Source Nature of Stable Audio Open

Stable Audio Open is an open-source project, allowing users to freely download, use, and modify the model’s code and weights. This open-source approach enables researchers and developers to explore and expand the model’s capabilities, advancing the development of audio generation technology.

Stable Audio 2.0 and Its Closed Source Components

While Stable Audio 2.0 offers some open APIs and tools for users, its core model and certain advanced features remain closed-source. This strategy is typically employed to protect commercial interests and technical patents while offering higher-quality services to paying customers.