Okoker Audio Recorder & Editor 2.1 is a powerful application from which you can open, create, save, play and record from any available source (which makes it ideal to digitize sound recordings from old cassettes, LPs or videos).
It lets you add diverse effects of amplification, compression, retard, equalization, fade-in, fade-out, normalization, silence, reverse, vibrato, stretch, etc.
Among the formats it supports are the following: wav, mp3, mp2, wma, ogg, g721, g723, g726, vox, raw, pcm.