SileroVad 1.0.0

There is a newer version of this package available.
See the version list below for details.
dotnet add package SileroVad --version 1.0.0
NuGet\Install-Package SileroVad -Version 1.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="SileroVad" Version="1.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add SileroVad --version 1.0.0
#r "nuget: SileroVad, 1.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install SileroVad as a Cake Addin
#addin nuget:?package=SileroVad&version=1.0.0

// Install SileroVad as a Cake Tool
#tool nuget:?package=SileroVad&version=1.0.0

Voice Activity Detection for .Net

Quick Start

using NAudio.Wave;
using NAudio.Wave.SampleProviders;
using SileroVad;

namespace WhisperONNX
    public static class FileReader
        private static int SAMPLE_RATE = 16000;

        public static void VadFile(string filePath)
            var ext = Path.GetExtension(filePath).ToLower();
            WaveStream waveFileReader;

            switch (ext)
                case ".wav":
                    waveFileReader = new WaveFileReader(filePath);
                case ".mp3":
                    waveFileReader = new Mp3FileReader(filePath);
                    throw new NotSupportedException($"not supported {ext}");

            var TotalTime = waveFileReader.TotalTime;

            ISampleProvider sampleProvider;

            if (waveFileReader.WaveFormat.SampleRate != SAMPLE_RATE)
                sampleProvider = new WdlResamplingSampleProvider(waveFileReader.ToSampleProvider(), SAMPLE_RATE).ToMono();
                sampleProvider = waveFileReader.ToSampleProvider();

            var array = new float[CountSamples(TotalTime)];

            sampleProvider.Read(array, 0, array.Length);

            List<VadSpeech> resul = Vad.GetSpeechTimestamps(array, min_silence_duration_ms: 500, threshold: 0.4f);

            var audioSpeech = Vad.GetSpeechSamples(array, resul);

            var fileTrim = Path.ChangeExtension(filePath, "speech") + ".wav";

            using var fileWriter = new WaveFileWriter(fileTrim, new WaveFormat(16000, 1));
            foreach (var sample in audioSpeech)


        private static int CountSamples(TimeSpan time)
            WaveFormat waveFormat = new WaveFormat(16000, 1);

            return TimeSpanToSamples(time, waveFormat);

        private static int TimeSpanToSamples(TimeSpan time, WaveFormat waveFormat)
            return (int)(time.TotalSeconds * (double)waveFormat.SampleRate) * waveFormat.Channels;


<a id="1">[1]</a> Silero Team. (2021). Silero VAD: pre-trained enterprise-grade Voice Activity Detector (VAD), Number Detector and Language Classifier. GitHub, GitHub repository,,

Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

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Version Downloads Last updated
1.2.0 105 3/26/2024 278 4/14/2023
1.1.0 180 4/12/2023
1.0.0 173 4/11/2023