SoundMagic Spectral is a free suite of 23 Audio Unit plug-ins that implement real-time spectral processing of sound.

Included in SoundMagic Spectral are the following effects:

• Spectral Averaging
• Spectral Bin Shift
• Spectral Blurring
• Spectral DroneMaker
• Spectral Emergence
• Spectral Filterbank
• Spectral Freezing
• Spectral Gate and Hold
• Spectral Gliding Filters
• Spectral Granulation
• Spectral Harmonizer
• Spectral Partial Glide
• Spectral Pitch Shift
• Spectral Pulsing
• Spectral Shimmer
• Spectral Shuffle
• Spectral Stretch
• Spectral Tracing
• Chorus
• Comb Filter Bank
• Grain Streamer
• Idee Fixer
• Mr Filterbank

It’s an impressive collection of free sound-shaping plugins. Check out the demos at michaelnorris.info to hear what they can do.

If you give these a try, leave a comment with your thoughts on them!

Requirements:

Mac OS X 10.4 and a G4, G5 processor or Intel Mac.

An Audio Unit host (one of):

• Ableton Live (4.0 or higher)
• Amadeus
• Apple GarageBand
• Apple Logic Pro (or Emagic Logic 5.5.1 or higher)
• Apple Logic Express
• Apple Soundtrack (version 1.10 or later)
• Apple Soundtrack Pro
• Arizona AudioXplorer
• Audiofile Engineering Wave Editor
• BIAS Peak, Peak LE, and Peak DV 4.0 or higher, and Peak Pro
• Celemony Melodyne 2.0 or higher
• DSP-quattro 1.2 or higher
• Freeverse Sound Studio 3.0 or higher
• Illposed Ouroboros (free beta)
• Intuem (2.0.1 or higher)
• Max/MSP (using au~ external available from my website)
• Metro (6.0 or higher)
• MOTU Digital Performer (version 4.1 or higher; best with 4.52 or higher)
• Numerology (version 1.2 or higher?)
• Plogue Bidule
• Rax (free beta)
• Rogue Amoeba Audio Hijack Pro
• Freeverse SoundStudio3
• SynthTest
• TC|Works Spark XL and Spark LE (2.8 or higher)
• WaveBurner

via AudioGeekZine