voicescribe-parakeet-nvidia – AI Model by VoiceScribe | AlphaNeural AI

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voicescribe-parakeet-nvidia

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nemo-conformer-tdt

speech-recognition

nvidia/parakeet-tdt-0.6b-v3

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Parakeet TDT 0.6B v3 — ONNX (NPU-ready)

ONNX export of nvidia/parakeet-tdt-0.6b-v3 for use with OpenVINO on Intel NPU.

Includes the bundled NeMo mel spectrogram preprocessor () for a self-contained pipeline.

Files

File	Size	Description
\ + \	~2.5 GB	Conformer encoder (runs on NPU)
\	73 MB	TDT joint decoder (runs on CPU)
\	141 KB	Mel spectrogram preprocessor (onnxruntime CPU)
\	94 KB	8193-token vocabulary
\	97 B	Model metadata

Pipeline

Performance (Intel Core Ultra / Meteor Lake NPU)

Metric	Value
Load time (cached)	3.6s
Transcribe 3s audio	0.29s (RTF 0.095)
WER (LibriSpeech test-clean)	3.7%
Max audio length	~16s (MEL_FRAMES=1600)

Usage

Used by npu-whisper dictation engine:

Credits

Original model: nvidia/parakeet-tdt-0.6b-v3
ONNX export by: istupakov/parakeet-tdt-0.6b-v3-onnx
Preprocessor from: onnx-asr package