// Code generation for 11,025Hz mono 16 bit audio data
public string Generate(Int16[] pcm)
{
var whitening = new Whitening(pcm);
whitening.Compute();
// Test Whitening
/*int i;
* for (i = 0; i < 20; i++)
* {
* if (Math.Abs(whiteningTest[i]-whitening.WhitenedSamples[i]) > 0.00001f)
* {
* Debug.WriteLine("Whitening test failed");
* break;
* }
* }*/
var subAnal = new SubbandAnalysis(whitening.WhitenedSamples);
subAnal.Compute();
// Subband analysis test
//int j;
//for (j = 0; j < 10; ++j)
/*{
* Debug.WriteLine("{0}\t{1}\t{2}\t{3}\t{4}\t{5}\t{6}\t{7}\t",
* subAnal.Data[0,j],
* subAnal.Data[1,j],
* subAnal.Data[2,j],
* subAnal.Data[3,j],
* subAnal.Data[4,j],
* subAnal.Data[5,j],
* subAnal.Data[6,j],
* subAnal.Data[7,j]
* );
* for (i = 0; i < 8; i++)
* {
* if (Math.Abs(subAnalTest[i] - subAnal.Data[i, 9]) > 0.00001f)
* {
* Debug.WriteLine("Whitening tst failed");
* break;
* }
* }
* }*/
var fingerprint = new Fingerprint(ref subAnal, 0);
fingerprint.Compute();
/*if (fingerprint.GetCodes()[1800].code != 19692 || fingerprint.GetCodes()[1800].frame != 1383)
* {
* Debug.WriteLine("Fingerprinting test failed");
* }*/
_CodeString = CreateCodeString(fingerprint.GetCodes());
_NumCodes = fingerprint.GetCodes().Length;
return(_CodeString);
}
public Fingerprint(ref SubbandAnalysis pSubbandAnalysis, int offset)
{
_pSubbandAnalysis = pSubbandAnalysis;
_Offset = offset;
}
