Silero-VAD
Lightweight, high‑accuracy voice activity detection model for real‑time speech/silence classification.
Silero VAD is a compact, production‑ready Voice Activity Detection model trained on a large multilingual corpus. It processes 32 ms audio chunks at 16 kHz and outputs a speech probability per chunk, enabling real‑time detection of speech segments in streaming or file‑based audio. The model uses an LSTM‑based architecture and is well‑suited for edge deployment on Qualcomm Snapdragon devices.
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View for other chipsetsTechnical Details
Input resolution:512 samples (32 ms at 16 kHz)
Model size (float):2.27 MB
Number of parameters:0.24M
Supported sample rates:16000 Hz
Applicable Scenarios
- Smart Home
- Voice Assistants
- Accessibility
- Transcription Services
Supported Form Factors
- Automotive
- Compute
- Phone
- Tablet
- IoT
- XR
License
Model:MIT
Tags
- real-time
Supported Devices
- Arduino VENTUNO Q
- Dragonwing IQ-9075 EVK
- Dragonwing IQ-X5121
- Dragonwing IQ-X7181
- Dragonwing Q-6690 MTP
- Dragonwing Q-7790
- Dragonwing Q-8750
- QCS8550 (Proxy)
- SA7255P ADP
- SA8255P ADP
- SA8295P ADP
- SA8650P ADP
- SA8775P ADP
- Samsung Galaxy S21
- Samsung Galaxy S21 Ultra
- Samsung Galaxy S22 5G
- Samsung Galaxy S22 Ultra 5G
- Samsung Galaxy S22+ 5G
- Samsung Galaxy S23
- Samsung Galaxy S23 Ultra
- Samsung Galaxy S23+
- Samsung Galaxy S24
- Samsung Galaxy S24 Ultra
- Samsung Galaxy S24+
- Samsung Galaxy S25
- Samsung Galaxy S25 Ultra
- Samsung Galaxy S25+
- Samsung Galaxy S26
- Samsung Galaxy S26 Ultra
- Samsung Galaxy S26+
- Samsung Galaxy Tab S8
- Snapdragon 7 Gen 4 QRD
- Snapdragon X Elite CRD
- Snapdragon X Plus 8-Core CRD
- Snapdragon X2 Elite CRD
- Snapdragon XR2 Gen 2
- Xiaomi 12
Supported Chipsets
- Qualcomm® Dragonwing™ Q-6690
- Qualcomm® QCS5121
- Qualcomm® Dragonwing™ IQ-X7181
- Qualcomm® Dragonwing™ Q-7790
- Qualcomm® Dragonwing™ IQ-8275
- Qualcomm® Dragonwing™ QCS8550 (Proxy)
- Qualcomm® Dragonwing™ Q-8750
- Qualcomm® Dragonwing™ IQ-9075
- Qualcomm® SA7255P
- Qualcomm® SA8255P
- Qualcomm® SA8295P
- Qualcomm® SA8650P
- Qualcomm® SA8775P
- Snapdragon® 7 Gen 4 Mobile
- Snapdragon® 8 Elite For Galaxy Mobile
- Snapdragon® 8 Elite Gen 5 For Galaxy Mobile
- Snapdragon® 8 Gen 1 Mobile
- Snapdragon® 8 Gen 2 Mobile
- Snapdragon® 8 Gen 3 Mobile
- Snapdragon® 888 Mobile
- Snapdragon® X Elite
- Snapdragon® X Plus 8-Core
- Snapdragon® X2 Elite
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