All of it is made by Roxio
This is from Deep Sea software site.
* Statement pertains to audio input devices that are fully compatible with CoreAudio.
** Only presets supported by your audio input device will appear in the list of presets.
*** CD Spin Doctor® 2 currently only supports Mach-O based VST plugins
"CD Spin Doctor®" trademark is owned by Roxio, Inc. and is used with permission.
CD Spin Doctor® 2 application is owned by Roxio, Inc.
The "Noise Reducer" and "Sound Enhancer" audio effects licensed from Algorithmix
VST plugin technology by Steinberg, used under license.
And from my expreance there is no may and it will be well after the universal version of Spin Doctor