C# naudio图书馆的信号发生器课程-持续时间播放
我使用naudio生成指定频率的音调,如下所示:C# naudio图书馆的信号发生器课程-持续时间播放,c#,signal-processing,naudio,C#,Signal Processing,Naudio,我使用naudio生成指定频率的音调,如下所示: private void gen_Sinus(double frequency) { WaveOut _myWaveOut = new WaveOut(); SignalGenerator mySinus = new SignalGenerator(44100, 1);//using NAudio.Wave.SampleProviders; mySinus.Frequency = fre
private void gen_Sinus(double frequency)
{
WaveOut _myWaveOut = new WaveOut();
SignalGenerator mySinus = new SignalGenerator(44100, 1);//using NAudio.Wave.SampleProviders;
mySinus.Frequency = frequency;
mySinus.Type = SignalGeneratorType.Sin;
_myWaveOut.Init(mySinus);
_myWaveOut.Play();
}
我希望当点击一个按钮时,它会在一段特定的时间内播放该音调,并传递给这个方法。我们举个例子:
double toneDuration
我更喜欢预防一些睡眠方法,因为它必须尽可能准确 使用计时器和等待处理程序
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
timer1.Tick += new EventHandler(timer1_Tick);
}
static AutoResetEvent autoEvent = new AutoResetEvent(false);
private void gen_Sinus(double frequency)
{
WaveOut _myWaveOut = new WaveOut();
SignalGenerator mySinus = new SignalGenerator(44100, 1);//using NAudio.Wave.SampleProviders;
mySinus.Frequency = frequency;
mySinus.Type = SignalGeneratorType.Sin;
_myWaveOut.Init(mySinus);
timer1.Interval = 5000;
timer1.Start()
_myWaveOut.Play();
autoEvent.Reset();
autoEvent.WaitOne();
_myWaveOut.Stop();
}
private void timer1_Tick(object sender, EventArgs e)
{
autoEvent.Set();
}
}
}
您可以使用
OffsetSampleProvider
来执行此操作,并设置Take
持续时间:
var trimmed = new OffsetSampleProvider(signalGenerator);
trimmed.Take = TimeSpan.FromSeconds(10);
waveOut.Init(trimmed);
waveOut.Play();
您好,我使用WPF,我需要在哪里声明timer1对象?请参阅以下网页:您好,谢谢链接。我看到,如果我使用WPF,那么“timer”类被称为dispatchermer。这是一样的吗?您好,在使用超过一个信号发生器的情况下,是否有任何类或其他东西负责频率转换?