DtmfDetection (nuget): Implementation of the Goertzel algorithm for the detection of DTMF tones (aka touch tones) in audio data. Install the package DtmfDetection.NAudio for integration with NAudio.  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