/// <summary>
/// 配置分析的参数
/// </summary>
/// <param name="refWaveform">参考波形</param>
public void SetAnalyzeParam(MultiToneWaveform refWaveform)
{
analyzer.SetReferenceWaveform(refWaveform.GetRawWaveform() as ManagedAudioLibrary.MultiToneWaveform);
this.refWaveform = refWaveform;
this.RefWaveform = refWaveform;
// analyzer.set
IsAnalyzeParamSet = true;
}
/// <summary>
/// 多音色波形生成
/// </summary>
/// <param name="sampleRate">采样率</param>
/// <param name="waveLength">波形长度</param>
/// <param name="amplitude">波幅</param>
/// <param name="frequencyMin">最低频率</param>
/// <param name="frequencyMax">最高频率</param>
/// <param name="frequencyPoints">频率个数</param>
/// <param name="isLog">是否对数波形</param>
/// <param name="optimizeCrestFactor">是否优化参数</param>
/// <returns>波形数据</returns>
public static double[] MultiToneWaveform(double sampleRate, uint waveLength, double amplitude,
double frequencyMin, double frequencyMax, ushort frequencyPoints, bool isLog = false,
bool optimizeCrestFactor = false)
{
MultiToneWaveform multiToneWaveform = new MultiToneWaveform();
multiToneWaveform.CreateData(amplitude, frequencyMin, frequencyMax, frequencyPoints,
waveLength, isLog, optimizeCrestFactor, sampleRate);
double[] waveData = new double[multiToneWaveform.GetTotalPoints()];
multiToneWaveform.GetCopyOfData(waveData);
return(waveData);
}
public void Start()
{
if (null == tableLayoutPanel_waveConfig.Controls[0])
{
return;
}
double sampleRate = (double)numericUpDown_sampleRate.Value;
Generator waveGenerator = tableLayoutPanel_waveConfig.Controls[0] as Generator;
AITask.AITask input = _globalInfo.AITask;
AOTask.AOTask output = _globalInfo.AOTask;
output.SetUpdateRate(sampleRate);
input.SetSampleRate(sampleRate);
double channelRange = waveGenerator.GetAmplitude();
output.AddChannel(comboBox_aoChannel.SelectedIndex, -1 * channelRange, channelRange);
input.AddChannel(comboBox_testChannel.SelectedIndex, -1 * channelRange, channelRange);
double[] outData = waveGenerator.Generate();
output.SetSamplesToUpdate(outData.Length);
double outTime = outData.Length / output.GetUpdateRate();
input.SetSamplesToAcquire((int)(outTime * input.GetSampleRate() * GlobalInfo.ExtraReadTime));
output.WriteData(outData, -1);
input.Start();
output.Start();
_testData = new double[input.GetSamplesToAcquire()];
input.ReadData(ref _testData, _testData.Length, GlobalInfo.ReadTimeOut);
// easyChart_waveform.Plot(_testData);
_globalInfo.Mainform.Invoke(new Action <double[], double, double>(easyChart_waveform.Plot), _testData, 0, 1);
input.Stop();
output.Stop();
_refWaveform = waveGenerator.GetRefWaveform() as MultiToneWaveform;
// double peakToPeak, acRms, dcRms, max, min, tdPlusN;
// double[] acPart, powerSpectrum, phaseSpectrum;
// SeeSharpTools.JY.Audio.AudioAnalyzer.AnalyzeMultiToneWaveform(readWaveform, _refWaveform, _globalInfo.AITask.GetSampleRate(),
// out peakToPeak, out acRms, out dcRms, out max, out min, out tdPlusN, out acPart, out powerSpectrum, out phaseSpectrum);
_analyzeSize = _refWaveform.GetTotalPoints();
}
