Resemble Enhance is an open-source speech super resolution model that can upscale low-quality audio to higher sample rates while reducing noise.
Spleeter by Deezer provides free, open-source music source separation using deep learning, allowing users to isolate vocals, drums, bass, and other stems.
Also worth reading: What is real-time AI audio enhancement and how does it actually work for creators? · What is the SMB guide to AI audio enhancement? · What are the best iZotope RX plugins for podcast audio restoration and enhancement?
Demucs, developed by Meta, offers state-of-the-art music separation with a pre-trained transformer model that runs offline on consumer hardware.
Voice Isolate, demonstrated on Show HN, is a minimalist AI tool that processes speech audio in one click, removing background sounds without fine-tuning.
15.ai uses AI for free non-commercial text-to-speech generation, producing expressive voice output but not including audio cleaning features.
Audacity with the OpenVINO plugin enables AI-powered denoising and vocal isolation on Intel-based PCs, operating entirely locally without cloud dependencies.
Free AI audio generators like Qwen2.5-Omni accept text, images, and audio as input, but output quality for professional use can require manual post-processing.
Open-source audio enhancement tools often limit processing to CPU or specific accelerators, while newer edge AI collaborations (e.g., HANCE and Intel) optimize for AI PCs.
Audio deepfake detection tools are increasingly bundled with free enhancement software to flag synthetic or manipulated