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bitsydarel/
silero-vad-onnx

Name: silero-vad-onnx
Availability: InStock

onnx

vad

voice-activity-detection

silero

mit

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Silero VAD — ONNX mirror

This repository mirrors the official Silero VAD ONNX exports under versioned filenames so multiple releases can be hosted side-by-side and consumed by SDKs that pin to a specific revision.

Files

File	Upstream version	Source	SHA-256
`silero_vad_v6.2.1.onnx`	v6.2.1 (released 2025-02-24)	`snakers4/silero-vad@v6.2.1`	`1a153a22f4509e292a94e67d6f9b85e8deb25b4988682b7e174c65279d8788e3`

Model spec (v6.2.1)

Sample rate: 16 kHz (fixed)
Chunk size: 512 samples (32 ms @ 16 kHz)
Inputs:
- input: float32 [1, 512] audio chunk
- state: float32 [2, 1, 128] LSTM hidden + cell state
- sr: int64 scalar (16000)
Outputs:
- output: float32 [1, 1] speech probability
- stateN: float32 [2, 1, 128] updated LSTM state

The LSTM state must be initialised to zeros for the first chunk of every stream and threaded through subsequent chunks. Reset between independent streams to avoid leaking hidden state across turns.

License

Why a mirror

The Silero repository hosts only the latest model under a single filename (silero_vad.onnx). Consumers that need to pin to a specific version for reproducibility (SHA-verified downloads, multi-version SDK rollouts) need versioned filenames. This mirror provides that without modifying the artifacts — the SHA-256 above matches the upstream file byte-for-byte.

Consumers

BDAIAssistantSDK — pins silero_vad_v6.2.1.onnx via SileroOnnxVADConfiguration.

bitsydarel/silero-vad-onnx