Audio Damage Discord4 Multi Effects
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Discord4 is the latest version of our most popular and long-lived product, our Discord stereo pitch shifter. Originally modeled from the H910, Discord has long since become its own effect and a studio standby, and this version includes major additions to further stretch its capabilities. This application includes a stand-alone version (with Inter-App Audio) and an AUv3 effect for use in hosts that support that format, such as Beatmaker 3, AUM, Cubasis, and Garageband. A full PDF manual is available at the Audio Damage website.

Discord4 consists of three separate algorithms: a “vintage” mode (the original Discord algorithm, modeled on the Eventide H910 and H949), a “clean” mode for more modern shifting sounds, and a “granular” mode for experimental effects. Each mode has its strengths, depending on the input material, and Discord3 has a broad palette of capabilities as a result. The P1 and P2 algorithms have full control over the buffer (window) size of the shift effect, for fine tuning the shift to the input signal, or for stranger sound effects. At the extremes of the six-octave shift range, some truly strange aliasing and artifacts can be had with this control.

Discord4 retains its pair of tempo-synced delays and bandpass filters from previous versions, and adds a reverb in the feedback loop (for easy access to “shimmer” effects). We have also replaced the modulation sources from the original with our all-new FLFO (Flexible LFO) design. Panorama controls are included to control the stereo width of the wet signal. Finally, soft saturation and limiting have been added or improved throughout the signal path, for an overall improved sound and added vintage-style warmth, and to allow for extreme feedback experiments without fear of overloading your DAW’s channel.


• Pitch Shifting: Discord4 contains a pair of shifters with three separate algorithms (Vintage, Clean, and Granular) for different styles of pitch shifting.

• Buffer Size Control: The P1 (Vintage) and P2 (Clean) algorithms have a Buffer Size control, from 32 to 2048 samples, for fine-tuning the pitch shifting effect.

• Delay: Tempo-synced or free-running delays with feedback, cross-feedback, and a sophisticated bandpass filter.

• Reverb: A simple stereo reverb is added to the feedback path, for “shimmer” effects and further sound exploration.

• Modulation: Two of our new FLFO (Flexible Low-Frequency Oscillator) with tempo sync and an arbitrary waveform, capable of a nearly infinite number of modulation shapes using only three controls.

• True Stereo Operation: Discord4 has a true stereo signal path, with entirely independent control over each side, finishing with panorama settings for stereo width.

• MIDI Note Control: Six octaves of pitch-shifting can be controlled with MIDI note input.

• All-New GUI: Vector-based resizable user interface.

• Presets: Cross-platform XML-based preset manager.

Get Discord4

Audio Damage QuatroMod For iOS
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Installs both an AudioUnit V3 effect, for hosts that support that format (Cubasis, Beatmaker 3, AUM, AudioBus, GarageBand, etc.) and a stand-alone effect with Inter-App Audio.

Take our classic Liquid through-zero flanger, Fluid multi-mod chorus, Vapor diffusion chorus, and FreqShift frequency shifter (from our Eurorack hardware line) and put them all in one plug-in, and you have a true powerhouse of stereo-insert modulation.

FLANGER: The through-zero flanger mode is our Liquid plugin in all its glory, with Haas Effect “Offset” control and invertible feedback for extra widening.

CHORUS: The chorus mode, based on our original chorus product, Fluid, later extended in to the Dimensions module for Eurorack, has six delay lines modded at different rates for one of the thickest stereo choruses available. The DIM-D mode does what you’d expect, changing the topology to match that venerated box, but with all the control of a modern chorus.

DIFFUSOR: Our Vapor plugin, recreated here as the Diffusor mode, is essentially the diffusion block from a reverb, rewired to act as a chorus. The secret snare weapon of many a producer, this mode is an unique effect that will reward experimentation.

FREQSHIFT: One of our most popular Eurorack-format hardware modules, here thoroughly reworked for the DAW context. Once you use this mode in a slight upwards shift on pads, and you’ll never use anything else.

Get QuatroMod

Virsyn BandShift Frequency Shifter App
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BandShift is a multi-band auditory filter and frequency shifter taking a new approach to manipulate the pitch of complex sound sources in realtime. The well know analog Bode frequency shifter shifts all frequencies in an input up by the same amount and thereby alters their harmonic relation and tends to produce inharmonic results. But it’s perfect in dealing with transients and sounds smooth even with high amounts of down pitching.

BandShift splits the spectrum in 27 bands and applies a different amount of frequency shifting to each band emulating a harmonic pitch shifting. This gives you perfect pitch shifting for all kind of drum sounds over a vast shifting range of +/- five octaves without disturbing the transients or introducing metallic distortions. The extreme range of shifting gives you access to a vast field of unknown sonic territory.

The possibility to apply different shiftings on each band gives you exciting possibilities: Suppose you have a drum loop which is perfect, but the bass drum is a bit too high or too low to fit in your mix then you can easily get the bass drum shifted a bit down and the rest of the spectrum remains unchanged. But it’s applications are not limited to drum sounds, they’re only limited by your imagination.


• Multi band bode frequency shifter
• Linear phase filter bank with 27 bands
• AudioUnit for AUv3 compatible hosts.
• Inter-app audio compatible effect.
• Audiobus 2 compatible with state saving.
• Apply effect to any song in your iTunes library.
• MIDI Learn for X/Y Pads
• Low latency live usage with mic and headphones.
• Audio recorder

Get BandShift:

### Introductory offer for a limited time ###

Sugar Bytes Effectrix With Link Support
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Effectrix For iPadSugarbytes E

This lovely all in one effects app for glitch and sound bending just added Link for synchronization with other apps and software. Effectrix is a professional multi-effect sequencer for the iPad. The game-changing tool for creative and effective music production is now available on the App Store: scatter 14 intelligent effects across a sequencer matrix and create unheard-of sound patterns and cheeky loop collages.

A playful workflow, refined algorithms and carefully parameterised effects lead to outstanding results – fast! The effects, each exceeding conventional wisdom, cover a wide spectrum from classy standards to scandalising splatter sprees.


This iOS port faithfully recreates the desktop engine, today’s de-facto standard of finest audio manipulation.

– quickly create variations and mutations for productive sound design
– 20 fine audio samples installed
– 230 factory presets (100 global, ca. 9 per effect)
– 14 high-quality effects
– redesigned GUI for a smooth iOS workflow

– manipulate each individual effect with up to eight parameters
– two modulator tracks per effect
– Seamless iOS integration: full MIDI, Inter-App Audio, Audiobus
– save your own presets & use them on your desktop version of Effectrix
– upload your recordings to Dropbox or Soundcloud
– share your recordings with other apps via Audioshare or Audiocopy
– sync Effectrix with Ableton Live via Ableton Link


Frekvens frequency shifter and delay effect for iOS
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frekvens audio effects for iOS

Frekvens is a frequency shifter and delay effect. Unlike a pitch shifter all frequencies are shifted linearly and then fed back into itself using the stereo delay unit. The frequency shifting is achieved with single sideband modulation using a hilbert transform and an infinite impulse response filter for fast computations. Frekvens also comes with a high and low pass filter and a lfo for modulating the delay play head.

Frekvens iPad

– frequency shifter
– high, low pass filter
– stereo delay
– core midi cc input.
– audiobus
– inter app audio
– save, load



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  • iPad Loops is a music app blog dedicated to exposing the best iPad apps for iOS musicians, producers, and Djs. This is not a database of every app. It is, however, one of useful recommendations from someone with many years in music production. I try to update it on a daily basis (ok sometimes every two days) and I do my best to post useful apps only. My name is Jason Donnelly (Dj Puzzle). You might know me from my royalty free loop packs and sound design. Some of the apps that contain my loops are Retronyms AudioCopy, LP-5, iPRO.DJSAMPLER, Looptastic, and Audio Elements. My work is published by Magix Soundtrack Loops, Sample Logic, Acoustica, Xmix, and many more. Subscribe to our RSS feed below to get updated when new apps are posted.

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