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ultra-sortformer-8spk
TalkBar/ultra-sortformer-8spk
ultra-sortformer-8spk is a machine learning model from TalkBar. Use it for the machine learning task on the model card, and read the license before you ship it in a product. The card lists the license as other.
ONNX export of the Ultra Sortformer 8-speaker streaming diarization model, used by the TalkBar desktop app as its optional large-meeting (5–8 speaker) live diarizer.
Access
Public
Updated Aug 6, 2026
Repo size
492 MB
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Repo makeup
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.onnx492 MB · 100%
At a glance
- License
- other
- Access
- Public
- Created
- Aug 6, 2026
- Updated
- Aug 6, 2026
- SHA
- aa03a9db
Base models
Model card
From the Hugging Face model README
Ultra Sortformer 8-speaker (streaming) — ONNX export for TalkBar
ONNX export of the Ultra Sortformer 8-speaker streaming diarization model, used by the TalkBar desktop app as its optional large-meeting (5–8 speaker) live diarizer.
Provenance
| Stage | Artifact | License |
|---|---|---|
| Base model | nvidia/diar_streaming_sortformer_4spk-v2.1 | NVIDIA Open Model License |
| 8-speaker derivative | mago-ai/ultra_diar_streaming_sortformer_8spk_v1 (.nemo) | labeled Apache-2.0 by its authors; the NVIDIA base terms flow through to derivatives |
| This repo | diar_streaming_sortformer_8spk-v1.onnx — format conversion (.nemo → ONNX) of the above, no weight changes beyond export | distributed under the NVIDIA Open Model License terms inherited from the base model |
TalkBar makes no independent license claim over these weights: they are a derivative of NVIDIA's streaming Sortformer and are redistributed under the NVIDIA Open Model License, with attribution to NVIDIA and to the Ultra-Sortformer project. Consult the license link above before reuse.
File
| File | Bytes | SHA-256 |
|---|---|---|
diar_streaming_sortformer_8spk-v1.onnx | 492,246,192 | f8dda3268c0a7009446b44edea789b25e4a01aae921c28da712050c74b75a252 |
The TalkBar app downloads this file at a pinned commit and verifies the SHA-256 before installing.
- License
- other
- Created
- Aug 6, 2026
- Updated
- Aug 6, 2026