Signal Processors

Flux FX is an ambitious iOS effect processor created by guitar legend Adrian Belew and developers. It provides a chain of up to five versatile effects, each with an X-Y pad for performance access, plus a step sequencer for capturing pad motion.

Auto-Tune is said to be the biggest-selling plug-in of all time. How does the new version shape up against the competition?

The latest version of iZotope’s RX adds some interesting features — but do they have musical applications?

If your audio is soiled, SoundSoap 4 offers new tools to restore it to gleaming whiteness.

When a top hardware expert turns his attention to plug-in design, the results are a bit special.

By designing a signal processing environment that offers endless modulation and routing options, Native Instruments hope to reinvent the way we use effects.

IK Multimedia add three new EQ modules to their T‑Racks Custom Shop series.

For those stuck in a rhythmic rut, WaveDNA's pattern sequencer plug-in offers some exotic creative tools with even more exotic names.

The latest version of Zplane's Vielklang will not only generate harmonies from your vocals, but put them in tune first!

Eschewing the ‘mix and match’ philosophy of most amp modellers, Brainworx have turned their attention to capturing entire recording chains.

UVI's rainbow‑hued reverb plug‑in is designed to help you instantly find the right ambience for your mix.

The market for reverb plug-ins is crowded, but Exponential Audio hope there's space for two more high-quality designs...

New versions of Sony's Sound Forge and, especially, the innovative SpectraLayers make possible new ways of editing recorded audio.

Mira is the first incursion into the iPad app world from Cycling '74, makers of the popular Max graphical software toolkit for audio and media applications on Mac and PC. iTrigger is a grid-oriented MIDI controller app from POJ Studios.

You wait ages for a Virtual Buss Compressor, and then three come along at once.

If you're willing to pay for the best, CEDAR Audio's suite of plug-in processors could give you results that justify the investment.

With so many software amp simulators to choose from, how do you know which one is right for you? Here’s our selection of current options, with links to the SOS review where available.

The Holy Grail of location recording is the ability to isolate the sound of a source from that of the space in which it was recorded. Have Zynaptiq found it?

Celemony’s clever restoration tool invisibly fixes the speed variations that can plague material recorded on tape or vinyl.

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With so many virtual guitar amps already on the market, can newcomers Scuffham Amps bring something fresh to the party?