DTMF Decoder is a software tool that offers a powerful audio spectrum analyzer to audio technicians, police officers, forensic technicians, and countermeasures technicians. It is an essential program for anyone working in audio-related fields.

Those who want to evaluate products can benefit from the software as well. It can give you a general idea of characteristics such as bandwidth, dynamic range, and frequency response curve. So, if you want to improve your audio system installation or evaluate products accurately, using an audio spectrum analyzer is vital.
Version 2020: DTMF decoder for decoding recorded DTMF tones from WAV files with a 45 character display window