void Convolve(const float* const input,
	      unsigned int inputLength,
	      const float* const filter,
	      unsigned int filterLength,
	      float* output)
{
	unsigned int i;
	unsigned int j;
	unsigned int lengthOfOutput = inputLength
				    + filterLength - 1;
 
	for(i = 0; i < lengthOfOutput; ++i)
	{
		output[i] = 0.f;
	}
 
	for(i = 0; i < inputLength; ++i)
	{
		for(j = 0; j < filterLength; ++j)
		{
			output[i + j] += input[i] * filter[j];
		}
	}
}