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---
license: mit
tags:
- audio
- super-resolution
- audio-upscaling
- comfyui
- audio-sr
- audiosr
- versatle-audio-super-resolution
library_name: diffusers
---
# AudioSR Models for ComfyUI
Pre-trained AudioSR (Versatile Audio Super Resolution) models for use with [ComfyUI-AudioSR](https://github.com/Saganaki22/ComfyUI-AudioSR) custom node.
<audio controls src="https://huggingface.co/drbaph/AudioSR/resolve/main/samples/speech_up_4.wav"></audio>
<audio controls src="https://huggingface.co/drbaph/AudioSR/resolve/main/samples/speech_audiosr_4.wav"></audio>
## Models
### audiosr_basic_fp32.safetensors
- **Purpose:** General audio super-resolution
- **Best for:** Music, sound effects, podcasts, mixed content
- **Format:** FP32 SafeTensors
- **Size:** ~5.9 GB
### audiosr_speech_fp32.safetensors
- **Purpose:** Speech/voice optimized super-resolution
- **Best for:** Voice recordings, vocals, speech content
- **Format:** FP32 SafeTensors
- **Size:** ~5.9 GB
## Usage
### Installation
1. Install [ComfyUI-AudioSR](https://github.com/Saganaki22/ComfyUI-AudioSR) via ComfyUI Manager
2. Download model(s) from this repository
3. Place in `ComfyUI/models/AudioSR/`
### Quick Start
```
ComfyUI Workflow:
Load Audio → AudioSR → Preview/Save Audio
```
**Recommended Settings:**
- Steps: 50-100
- Guidance Scale: 3.5-5.0
- Model: Use `audiosr_speech_fp32.safetensors` for voice, `audiosr_basic_fp32.safetensors` for everything else
## What it does
AudioSR upscales low-quality audio to high-quality 48kHz output using latent diffusion. It:
- Resamples to 48kHz
- Enhances high frequencies
- Reduces compression artifacts
- Adds clarity and detail
## Model Info
Based on [AudioSR: Versatile Audio Super-Resolution](https://arxiv.org/abs/2309.07314) by Haohe Liu et al.
Original repository: https://github.com/haoheliu/versatile_audio_super_resolution
**License:** MIT
## Hardware Requirements
- **GPU:** NVIDIA RTX 3060 or higher (6GB+ VRAM minimum)
- **RAM:** 12GB+ recommended
- Works best with audio > 8kHz input sample rate
## Credits
- **Research:** [Haohe Liu](https://github.com/haoheliu) et al.
- **Paper:** [AudioSR on arXiv](https://arxiv.org/abs/2309.07314)
- **ComfyUI Integration:** [ComfyUI-AudioSR](https://github.com/Saganaki22/ComfyUI-AudioSR)
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