# VU meter

The VU meter block processes the audio stream and provides data for the UI element.

# Block info

Name: VUMeterBlock.

Pin direction	Media type	Pins count
Input	Uncompressed audio	1
Output	Uncompressed audio	1

# The sample pipeline

graph LR;
    UniversalSourceBlock-->VUMeterBlock;
    VUMeterBlock-->AudioRendererBlock;

# Sample code

var pipeline = new MediaBlocksPipeline();

var filename = "test.mp3";
var fileSource = new UniversalSourceBlock(await UniversalSourceSettings.CreateAsync(new Uri(filename)));

var vumeter = new VUMeterBlock();
vumeter.OnAudioVUMeter += VUMeter_OnAudioVUMeter;
pipeline.Connect(fileSource.AudioOutput, vumeter.Input);

var audioRenderer = new AudioRendererBlock();
pipeline.Connect(vumeter.Output, audioRenderer.Input);            

await pipeline.StartAsync();

private void VUMeter_OnAudioVUMeter(object sender, VisioForge.Core.Types.X.VUMeterXEventArgs e)
{

}

# Platforms

Windows, macOS, Linux, iOS, Android.