I'd like to draw member's attention to this, quite often overlooked, 2 track editor for OSX. It is, in a sense, a SoundDesigner II on steroids and, in my opinion, in many ways more powerful editor than popular among common folk Bias Peak. Those familiar with SoundDesigner will feel right at home, and will have their jaws dropped
Others will face a steep learning curve. As far as I understand, it was developed as a remixing tool, but evolved into mastering application over time.
There was some nasty conflict among founders/developers (details escape me) and, as a result, company in its original form ceased to exist and Wave Editor was dropped.
Last version released was 1.5.8 (Intel only, irrelevant here).
Last version with PPC code - 1.5.5 (Leopard only)
Last version for Tiger - 1.4.6
(See attached release notes).
It should run on G4, but, since it runs native, it is, most probably, quite resource hungry.
Link to a S.O.S review of v.1.4:
https://www.soundonsound.com/reviews/audiofile-wave-editor-14Link to "Must see" training videos of v. 1.xx pre-release version:
http://www.razormaid.com/Training/index.htmSeveral versions are out there in the wild. I've seen 1.4.1, 1.4.4, 1.4.6, 1.5.0, 1.5.2, 1.5.3, 1.5.4 and 1.5.5