DtmfDetection.NAudio (nuget): Extends NAudio with means to detect DTMF tones (aka touch tones) in live audio data and audio files.  Documentation: https://github.com/bert2/DtmfDetection  Release notes: Refactor wait time estimation of the `BackgroundAnalyzer` to a less handcrafted solution.
Keywords: Goertzel|DTMF|touch|tone|detection|dsp|signal|processing|audio|analysis|NAudio