Audio2image

Description

A set of tools for computing waterfall spectrograms from an audio recording.

audio2image

A simple console program which turns an existing audio file into a spectrum image.

rtspectrum

A simple program which records an audio signal from a microphone and computes a spectrum image in realtime. [Space] = Start recording, [S] = Save the recording, [R] = Clear recording

Installation

Installation with make.

Dependencies

libsndfile http://www.mega-nerd.com/libsndfile/

SDL2 SDL2_image SDL2_ttf https://www.libsdl.org/

OpenSans is under Apache License 2.0. https://www.opensans.com/

FFT4G http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html

Author

Tamás Korodi