Photosounder

Photosounder is a spectrogram editor and synthesizer. It turns sounds into images and images into sounds, thus allowing for powerful sound processing to be done in an image editor.

Photosounder allows you to open sounds and images, process them graphically and here the results. This can be used for such tasks as instrument/vocals removal/isolation, applying various original or classical sound effects, sound design, denoising, operations between sounds such as removing a sound from another..

Limitations:

Small silence inserted every 6 seconds No sound file save