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Add CrispASR ARK-ASR speech-to-text backend#12006

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niksedk merged 1 commit into
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feature/crispasr-ark-asr
Jun 30, 2026
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Add CrispASR ARK-ASR speech-to-text backend#12006
niksedk merged 1 commit into
mainfrom
feature/crispasr-ark-asr

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@niksedk niksedk commented Jun 30, 2026

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What

Adds ARK-ASR as a new CrispASR speech-to-text backend (Video → Audio to text → Crisp ASR).

ARK-ASR-3B = Whisper-large-v3 encoder (partial RoPE) + Qwen2.5-3B LM decoder — a new backend in CrispASR v0.8.6.

Details (parallel to the existing Crisp ASR backends, e.g. Granite)

  • New CrispAsrArk backend: --backend ark-asr, 19 languages (zh, en, de, ja, fr, ko, es, pl, it, ro, hu, cs, nl, fi, hr, sk, sl, et, lt), three GGUF models from cstr/ark-asr-3b-GGUF (q4_k 3.52 GB / q8_0 4.29 GB / f16 7.51 GB).
  • Registered in CrispAsrEngine backend list; WhisperChoice.CrispAsrArk + CommandLineParameterCrispAsrArk setting; CrispASRARK.txt help asset.

Notes

  • Requires the CrispASR v0.8.6 engine binary (the backend doesn't exist in older builds; an older binary errors with unknown backend 'ark-asr'). The download URL is already on v0.8.6 (Update CrispASR to v0.8.6 #12003) for fresh installs.
  • CrispStrobe marks ARK-ASR ⚠️ experimental/WIP; noted in the help text. Word timestamps come via a forced aligner (the UI aligner picker), as with the other LLM-decoder backends.

Builds clean.

🤖 Generated with Claude Code

ARK-ASR-3B (Whisper-large-v3 encoder + Qwen2.5-3B LM decoder), a new
CrispASR backend in v0.8.6. Adds it alongside the other Crisp ASR backends:
--backend ark-asr, 19 languages, three GGUF models from cstr/ark-asr-3b-GGUF
(q4_k / q8_0 / f16). Requires the CrispASR v0.8.6 engine binary.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@niksedk niksedk merged commit 7412591 into main Jun 30, 2026
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@niksedk niksedk deleted the feature/crispasr-ark-asr branch June 30, 2026 03:44
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