{"adoption": {"forks": 193, "observed_at": "2026-08-28T04:04:22.938944+00:00", "stars": 1327}, "canonical_url": "https://ross.abutalabs.com/products/python-audio-separator", "card": {"archived": false, "artifact_type": "library", "description": "Easy to use stem (e.g. instrumental/vocals) separation from CLI or as a python package, using a variety of amazing pre-trained models (primarily from UVR)", "domain": ["machine-learning", "media", "developer-tools"], "enriched": true, "function": ["audio-processing", "machine-learning", "cli", "gpu-computing"], "health_score": 96, "homepage": null, "language": "Python", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["nomadkaraoke/python-audio-separator"], "name": "nomadkaraoke/python-audio-separator", "platform": ["python", "cli", "cross-platform"], "pushed_at": "2026-07-20T22:02:46+00:00", "repo": "nomadkaraoke/python-audio-separator", "stars": 1327, "tags": ["stem-separation", "vocal-removal", "karaoke", "uvr-models", "demucs", "mdx-net", "instrumental-separation", "audio-denoising", "audio", "gpu", "docker"], "topics": [], "urls": [], "use_cases": ["separate vocals from instrumental in a song", "make karaoke tracks from mp3 files", "split a song into drums bass and guitar stems", "remove reverb or echo from audio recordings", "batch separate audio stems from the command line", "integrate stem separation into a python app"], "what_it_is": "A Python package and CLI that separates audio files into stems (vocals, instrumental, drums, bass, etc.) using pre-trained models from Ultimate Vocal Remover such as MDX-Net, VR Arch, Demucs, and MDXC. It supports GPU acceleration via CUDA, CoreML, and DirectML, and can also perform denoising and reverb removal.", "when_to_avoid": ["you need a graphical interface for stem separation (use UVR directly)", "you need real-time live audio separation", "you want general-purpose audio editing beyond stem separation"], "when_to_choose": ["you need vocal/instrumental separation with a simple CLI or Python API", "you want access to many UVR pre-trained models without building a GUI", "you have a CUDA GPU, Apple Silicon, or want CPU fallback", "you are producing karaoke videos or remixing stems"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/python-audio-separator", "repo": "nomadkaraoke/python-audio-separator", "role": "main", "score": 89}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.938944+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:46:18.522932+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a1d04c5154321129d0a7c8700a955961653deb1c5d5d7b154d997648eee6718", "fetched_at": "2026-08-28T04:04:22.938944+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nomadkaraoke/python-audio-separator"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 93, "longevity": 82, "rhythm": 87}, "computed_at": "2026-09-03T02:39:23.370411+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1160, "days_push": 44, "days_rel": 7, "gap_med": 2, "n_releases_24m": 62}, "score": 89, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}