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README.md
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license: apache-2.0 tags:
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audio-generation pipeline_tag: text-to-audio language:
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hi library_name: diffusers
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PhantomStep: The Ultimate Music Generation Foundation Model
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Model Description
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PhantomStep, forged by GhostAI, is the pinnacle of open-source music generation. Building on the foundation of ACE-Step, PhantomStep redefines excellence with a reengineered diffusion-based architecture, GhostAI's proprietary Spectral Compression AutoEncoder (SCAE), and an optimized transformer backbone. Our model delivers unparalleled generation speed, musical coherence, and creative control, leaving competitors in the dust.
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Key Features:
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20× faster than LLM-based baselines (15s for 4-minute tracks on A100)
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Flawless coherence in melody, harmony, and rhythm
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Full-song generation with precise duration control
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Multilingual text-to-music with enhanced vocal synthesis
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Upcoming: Fine-grained style control and genre-specific optimizations
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PhantomStep empowers creators to:
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Craft original music from natural language prompts
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Remix tracks with seamless style transfers
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Edit lyrics and vocals with precision
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Downstream Use
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A foundation for innovation:
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Advanced voice cloning
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Genre-specific music generators (e.g., trap, classical, K-pop)
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Professional music production suites
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AI-driven creative assistants
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Out-of-Scope Use
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Unauthorized reproduction of copyrighted material
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Generating harmful or offensive content
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Misrepresenting AI-generated works as human creations
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How to Get Started
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Dive into the code and demos:
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GitHub Repository
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Demo Space (Coming Soon)
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Hardware Performance
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27 Steps
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60 Steps
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NVIDIA A100
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30.50x
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M2 Max
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RTF (Real-Time Factor) shown - higher values indicate faster generation
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Optimizations in Progress
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PhantomStep is actively addressing the following limitations:
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Output Consistency: Reducing "gacha-style" variability with stabilized random seeds and adaptive sampling.
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Genre Performance: Enhanced training for niche genres (e.g., Chinese rap, avant-garde jazz).
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Vocal Quality: Refined vocal synthesis for natural, expressive outputs.
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Long-Form Coherence: Improved structural integrity for tracks >5 minutes.
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Control Granularity: Introducing precise controls for tempo, instrumentation, and dynamics.
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Ethical Considerations
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GhostAI commits to responsible AI:
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Ensure originality of generated works
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Disclose AI involvement in outputs
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Respect cultural nuances and intellectual property
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Prohibit harmful or unethical content generation
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Model Details
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Developed by: GhostAI
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Model type: Diffusion-based music generation with transformer conditioning
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License: Apache 2.0
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Resources:
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Project Page (Coming Soon)
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GitHub Repository
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Demo Space (Coming Soon)
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Citation
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@misc{ghostai2025phantomstep,
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title={PhantomStep: The Ultimate Music Generation Foundation Model},
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author={GhostAI Team},
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howpublished={\url{https://
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year={2025},
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note={
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}
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Acknowledgements
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Built on the shoulders of ACE Studio and StepFun. GhostAI takes it to the next level.
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---
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license: apache-2.0 tags:
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---
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license: apache-2.0
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tags:
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- music 🎵
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- text2music 🎤
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- audio-generation 🔊
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pipeline_tag: text-to-audio
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library_name: diffusers
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language: [en, zh, de, fr, es, it, pt, pl, tr, ru, cs, nl, ar, ja, hu, ko, hi]
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---
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# PhantomStep: The Ultimate Music Generation Foundation Model 🚀
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## 🎹 Model Description
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**PhantomStep**, crafted by *GhostAI*, is the *pinnacle* of open-source music generation. Building on the foundation of ACE-Step, **PhantomStep** redefines excellence with a reengineered **diffusion-based architecture**, GhostAI's proprietary **Spectral Compression AutoEncoder (SCAE)**, and an optimized **transformer backbone**. Our model delivers **unparalleled generation speed**, **musical coherence**, and **creative control**, leaving competitors in the dust. 💨
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**Key Features:**
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- 🚄 **20× faster** than LLM-based baselines (15s for 4-minute tracks on A100)
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- 🎶 Flawless coherence in melody, harmony, and rhythm
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- 🎵 Full-song generation with precise duration control
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- 🌍 Multilingual text-to-music with enhanced vocal synthesis
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- 🔜 *Upcoming*: Fine-grained style control and genre-specific optimizations
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## 🎧 Uses
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### Direct Use
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PhantomStep empowers creators to:
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- ✨ Craft original music from natural language prompts
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- 🔄 Remix tracks with seamless style transfers
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- ✍️ Edit lyrics and vocals with precision
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### Downstream Use
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A foundation for innovation:
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- 🎙️ Advanced voice cloning
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- 🎸 Genre-specific music generators (e.g., trap, classical, K-pop)
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- 🎛️ Professional music production suites
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- 🤖 AI-driven creative assistants
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### Out-of-Scope Use
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PhantomStep must **not** be used for:
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- 🚫 Unauthorized reproduction of copyrighted material
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- ⛔ Generating harmful or offensive content
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- 🕵️♂️ Misrepresenting AI-generated works as human creations
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## 🚀 How to Get Started
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Dive into the code and demos:
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- 📂 [Hugging Face Repository](https://huggingface.co/ghostai1/GHOSTSONA)
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- 🎮 [Demo Space](https://huggingface.co/spaces/ghostai1/GHOSTSONA) *(Coming Soon)*
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## ⚡ Hardware Performance
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| Device | 27 Steps | 60 Steps |
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|---------------|----------|----------|
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| NVIDIA A100 | **30.50x** ⚡ | **14.10x** ⚡ |
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| RTX 4090 | **38.20x** 🚀 | **17.85x** 🚀 |
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| RTX 3090 | **15.30x** 🔥 | **8.12x** 🔥 |
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| M2 Max | **3.15x** 🌟 | **1.45x** 🌟 |
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*RTF (Real-Time Factor) shown - higher values indicate faster generation*
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## 🛠️ Optimizations in Progress
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PhantomStep is actively addressing the following limitations:
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- 🎯 **Output Consistency**: Reducing "gacha-style" variability with stabilized random seeds and adaptive sampling.
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- 🎸 **Genre Performance**: Enhanced training for niche genres (e.g., Chinese rap, avant-garde jazz).
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- 🎤 **Vocal Quality**: Refined vocal synthesis for natural, expressive outputs.
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- 📏 **Long-Form Coherence**: Improved structural integrity for tracks >5 minutes.
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- 🎛️ **Control Granularity**: Introducing precise controls for tempo, instrumentation, and dynamics.
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## 🌐 Ethical Considerations
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GhostAI commits to responsible AI:
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- ✅ Ensure originality of generated works
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- 📢 Disclose AI involvement in outputs
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- 🌍 Respect cultural nuances and intellectual property
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- 🚫 Prohibit harmful or unethical content generation
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## 🔍 Model Details
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**Developed by:** *GhostAI*
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**Model type:** Diffusion-based music generation with transformer conditioning
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**License:** Apache 2.0
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**Resources:**
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- 🌐 [Project Page](https://ghostai.github.io/GHOSTSONA) *(Coming Soon)*
|
94 |
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- 📂 [Hugging Face Repository](https://huggingface.co/ghostai1/GHOSTSONA)
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95 |
+
- 🎮 [Demo Space](https://huggingface.co/spaces/ghostai1/GHOSTSONA) *(Coming Soon)*
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96 |
|
97 |
+
## 📜 Citation
|
98 |
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99 |
+
```bibtex
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100 |
@misc{ghostai2025phantomstep,
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101 |
title={PhantomStep: The Ultimate Music Generation Foundation Model},
|
102 |
author={GhostAI Team},
|
103 |
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howpublished={\url{https://huggingface.co/ghostai1/GHOSTSONA}},
|
104 |
year={2025},
|
105 |
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note={Hugging Face repository}
|
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}
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