WavePad Sound Editor Software OLD VERSION (PC/Mac) Sound editing functions include cut, copy, paste, delete, insert, silence, autotrim and more Audio effects include, amplify, normalize, equaliser, envelope, reverb, echo, reverse, sample rate conversion and more Supports a number of audio and music file formats including mp3, wav (multiple codecs) vox, gsm, real audio, au, aif, flac, ogg and many more Batch processing supports up to 32000 files allowing you to apply effects and/or convert your files as a single function Tools include spectral analysis (FFT) and speech synthesis (text-to-speech)