Kwave (opens in new tab)

Sound editor Kwave is a sound editor that can record to, play, open, and edit many file formats. Kwave makes it simple to edit audio in many ways. Adjust volume level: Fade in, fade out, or custom amplitude curve Scale volume by a constant factor Normalize volume Adjust frequency content: Lowpass filter Bandpass filter Notch filter Pitch shift Other features: Add noise Add silence Convert audio sample rate Go to position Insert audio from clipboard Reverse audio Save audio blocks between labe...