{"adoption": {"forks": 304, "observed_at": "2026-08-28T04:05:56.384663+00:00", "stars": 1933}, "canonical_url": "https://ross.abutalabs.com/products/julius-speech-julius", "card": {"archived": false, "artifact_type": "library", "description": "Open-Source Large Vocabulary Continuous Speech Recognition Engine", "domain": ["speech-processing", "machine-learning"], "enriched": true, "function": ["speech-recognition", "audio-processing", "nlp"], "health_score": 36, "homepage": null, "language": "C", "license": "BSD-3-Clause", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["julius-speech/julius"], "name": "julius-speech/julius", "platform": ["windows", "cross-platform", "cli"], "pushed_at": "2025-06-16T07:10:03+00:00", "repo": "julius-speech/julius", "stars": 1933, "tags": ["lvcsr", "hmm", "dnn-decoding", "japanese", "asr", "c", "natural-language-processing", "linux", "macos", "android"], "topics": ["speech", "recognition", "audio-processing", "speech-recognition"], "urls": [], "use_cases": ["transcribe japanese speech to text offline", "run speech recognition on embedded low-memory devices", "decode large vocabulary dictation in real time", "recognize speech using custom grammar or word lists", "experiment with HMM and DNN acoustic models for ASR", "build a voice command recognizer for a robot"], "what_it_is": "Julius is an open-source large vocabulary continuous speech recognition (LVCSR) decoder written in C, based on word N-gram language models and context-dependent HMM acoustic models with a 2-pass tree-trellis search. It supports real-time decoding on devices from microcontrollers to cloud servers, DNN-based decoding, and multi-instance recognition, with model compatibility with HTK and SRILM formats.", "when_to_avoid": ["you want a modern pretrained end-to-end model like Whisper out of the box", "you need cloud-scale accuracy on many languages without training your own models", "you prefer Python-first tooling and ecosystems"], "when_to_choose": ["you need a small-footprint, self-contained ASR engine in C", "you have HTK/ARPA format acoustic and language models", "you target Linux, Windows, Mac, or Android including embedded devices", "you need grammar-based or isolated-word recognition alongside dictation"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/julius-speech-julius", "repo": "julius-speech/julius", "role": "main", "score": 35}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:56.384663+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:08:34.252716+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "22b2ad6418fa9ec21a2e2a181fe79d47cb1511740bed072715c410b21f3a1131", "fetched_at": "2026-08-28T04:05:56.384663+00:00", "kind": "readme", "missing": false, "url": "https://github.com/julius-speech/julius"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 27, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4146, "days_push": 443, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 35, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}