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C# implementation of the Goertzel algorithm for DTMF tone (a.k.a. Touch-Tone) detection and localization in audio data. Includes wrappers and extensions for NAudio.
:telephone_receiver: Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone
Fast superresolution frequency detection using MUSIC algorithm
Signal space decomposition in MATLAB (MUSIC, Pisarenko, EV, Minimum Norm)
Read DTMF key tones from an MP3/wav file in .NET
Source files for publication titled 'Machine learning based KNN classifier: towards robust, efficient DTMF tone detection for a Noisy environment'
Projeto de um detector DTMF para a disciplina de Processamento de Sinais Digitais (PSD29007) do curso de Engenharia de Telecomunicações do IFSC.
This work present homework number 2, part 1 from the subject Digital Signal Processing for the school year 2016/2017.