/**
* Updates the filter bank.
*
* (Re)creates new filter bank when sample frequency or spectrum size
* changed. If requested, enables only some filters.
*
* @param frequency sample frequency
* @param N spectrum size
*/
protected virtual void UpdateFilters(uint frequency, int N)
{
if (filters == null)
{
filters = new MelFiltersBank(frequency, 200, N);
}
else
{
if (filters.GetSampleFrequency() != frequency || filters.GetSpectrumLength() != N)
{
if (filters != null)
{
filters.Dispose();
}
filters = new MelFiltersBank(frequency, 200, N);
}
}
if (enabledFilters.Length != 0)
{
filters.SetEnabledFilters(enabledFilters);
}
}
/**
* Updates the filter bank.
*
* (Re)creates new filter bank when sample frequency or spectrum size
* changed. If requested, enables only some filters.
*
* @param frequency sample frequency
* @param N spectrum size
*/
protected new void UpdateFilters(uint frequency, int N)
{
if (hfccFilters == null)
{
hfccFilters = new MelFiltersBank(frequency, N, true);
}
else
{
if (hfccFilters.GetSampleFrequency() != frequency || hfccFilters.GetSpectrumLength() != N)
{
if (hfccFilters != null)
{
hfccFilters.Dispose();
}
hfccFilters = new MelFiltersBank(frequency, N, true);
}
}
if (enabledFilters.Length != 0)
{
hfccFilters.SetEnabledFilters(enabledFilters);
}
}
