ReSample

Smooth waveform browsing and editing: fast and responsive waveform zooming and editing with your mouse, trackpad (multi-touch gestures) or keyboard.

Vocal removal: straightforward and effective removal or extraction for center vocal sound. Time stretch: change the duration of a sound while its pitch unchanged. (Real time preview supported). Pitch shift: change the pitch of a sound while its duration unchanged. (Real time preview supported)

Batch (Multi-core supported): apply customized jobs to all files. Such as processors, normalize, export, etc. Multiband compressing: split a sound into 4 frequency bands (low, low-mid, high-mid and high) and apply compressing process respectively.