📞 Using Matlab to simulate Dual-Tone Multi-Frequency (DTMF) of telephone

A Java program to implement a DMTF Decoder.

Tone detection and goertzel library for Go

Generate and Detect DTMF tone

An efficient way to implement FFT using Arduino

calculate the coefficient k of Goertzel's algorithm

A real time frequency finder by reading the PCM input.

In this repository I store example scripts of some DSP algorithms made in MATLAB. These served an educational purpose when I wrote them, I'm making them public, since I had trouble finding example code.

course project for Digital Signal Processing of E.E., Tsinghua University.

Using filtering techniques to smoothen hyper-sonic shockwave in MATLAB