public SpeexEchoCancelFilter(int systemLatency, int filterLength, AudioFormat recordedAudioFormat, AudioFormat playedAudioFormat, IAudioFilter playedResampler = null, IAudioFilter recordedResampler = null) :
base(systemLatency, filterLength, recordedAudioFormat, playedAudioFormat, playedResampler, recordedResampler)
{
_speexEchoState = SpeexEchoCanceller.speex_echo_state_init(recordedAudioFormat.SamplesPerFrame, filterLength, _logger);
object sampleRate = recordedAudioFormat.SamplesPerSecond;
SpeexEchoCanceller.speex_echo_ctl(_speexEchoState, EchoControlCommand.SetSamplingRate, ref sampleRate);
}
protected override void PerformEchoCancellation(short[] recorded, short[] played, short[] outFrame)
{
SpeexEchoCanceller.speex_echo_cancellation(_speexEchoState, recorded, played, outFrame);
}
