DTMF Signal Decoding Program Using Goertzel Algorithm

Implementation of DTMF signal decoder program based on the Goertzel algorithm for frequency detection and signal processing.

Implementation of Goertzel Algorithm in MATLAB for DTMF Signal Generation and Detection

MATLAB program simulating DTMF signal generation and detection using Goertzel algorithm (combined with FFT algorithm approach). This implementation focuses on dual-tone multi-frequency signal processing with enhanced parameter tuning capabilities for detailed waveform analysis.

Goertzel Algorithm: The Core of DTMF Signal Detection

The Goertzel algorithm is the cornerstone of DTMF signal detection, employing a two-pole IIR filter to compute discrete Fourier transform values and efficiently extract spectral information from input signals. The implementation typically involves iterative feedback operations for rapid frequency component analysis.