public static DtmfAudio CreateFrom(ISampleSource source, DetectorConfig config)
{
var pureTones = Enumerable
.Range(0, source.Channels)
.Select(c => new PureTones(new AmplitudeEstimatorFactory(source.SampleRate, config.SampleBlockSize)))
.ToArray();
var dtmfChangeHandlers = Enumerable
.Range(0, source.Channels)
.Select(c => new DtmfChangeHandler())
.ToArray();
return(new DtmfAudio(new DtmfDetector(config, pureTones), source, dtmfChangeHandlers));
}
public DtmfDetector(DetectorConfig config, PureTones[] powers)
{
this.config = config;
this.powers = powers;
numChannels = powers.Length;
}