QuickAudio is no more developed since 2012, and has been replaced by Alternate Quick Audio, which provides even more features and is regularly updated.
The formats supported by QuickAudio are Wave, MP3, Ogg Vorbis, CDR and AIFF.
The application features standard audio editing options, audio spectrum analysis, multiple undo, and it can support up to 24 VST plugins.
If you want to edit the entire waveform, zoom out, and zoom in if you need to edit individual samples. Copy, cut, and paste operations are supported as well.
Other editing options offered by QuickAudio are changing sample rate, bits per sample and channels; silence; fade in and fade out; amplify; inserting space; normalize; compress; reverb; removing noise; changing pitch and changing duration.
There are also various filters you can apply, such as Bass, Treble, Midrange, or Lift/Attenuate Musical/Vocal Presence.
By adding plugins to QuickAudio (up to 24), you can customize your editing options even more!