AUM - Audio Mixer

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Discchord Reader Rating: 100% (20)

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Category: Utilities Rank in Category: 1

App History

Version 1.3.10
May 13, 2021
Apr 06, 2021
Apr 04, 2021
Apr 03, 2021
Apr 02, 2021
Version 1.3.9
Dec 20, 2020
Dec 01, 2020
Nov 27, 2020
Nov 02, 2020
Oct 31, 2020
Oct 30, 2020
Oct 29, 2020
Version 1.3.8
Sep 23, 2020
Version 1.3.7
May 12, 2020
Version 1.3.6
Apr 06, 2020
Apr 02, 2020
Mar 25, 2020
Version 1.3.5
Feb 20, 2020
Version 1.3.4
Feb 13, 2020
Dec 03, 2019

Other apps by Kymatica AB

App Store Description:

AUM is the flexible audio mixer, recorder, and connection hub for your iPad, iPhone and iPod touch.

Connect hardware inputs and outputs, Audio Unit extensions, Inter-App Audio apps, Audiobus, soundfile players, built-in signal processing and filters, in any configuration you want.

Route anything to anywhere with mix-busses, effect sends, audiobus ports, and external multi-channel audio interfaces.

Play hosted synths and instruments using the built-in keyboard or external MIDI controllers, or sequence them with AU MIDI plugins or from other apps using Virtual MIDI.

Record mixes, individual tracks, or both, straight into the storage space of AudioShare (no copying of files needed), with synchronized start and end for perfect loops.

Play back recordings, soundfiles and loops as channel sources in the mixer for backing tracks, further processing or mixing. Soundfiles can be opened from anywhere, including USB drives on iOS 13.

Route MIDI in any way you like using the MIDI matrix.

Synchronize everything with the transport clock and play in time with other apps or devices using Ableton Link, a new technology that synchronizes beat, phase and tempo of Ableton Live and Link-enabled iOS apps over a wireless network. Connect external music machines and synchronize them with MIDI Clock.

Includes built-in processing nodes for various stereo processing, Mid/Side balance and conversion, EQs and filters, limiting, clipping and saturation. Or use any 3rd party Audio Unit extension or Inter-App Audio effect.

All controls in the mixer can be controlled via MIDI, including parameters of hosted and built-in plugins.

"A brilliant idea that has been brilliantly executed. Top-notch technical stuff and highly recommended" - MusicAppBlog

"Feature rich, powerful, intuitive, and simple to use" - DubSpot

"Executes live mixing with surprising ease, with a load of extensive features under the hood, quick snappy response on the screen and audio" - AudioNewsRoom


• High quality audio up to 32-bit 96kHz
• Clean and intuitive user interface with crisp vector graphics
• Extremely compact and optimized code, very small app size
• Unlimited number of channels
• Unlimited number of effect slots
• Inserts and sends are configurable pre/post-fader
• Internal busses for mixing, effect sends, signal splitting
• Supports multi-channel audio interfaces for both inputs and outputs
• Supports Audio Unit extensions, Inter-App Audio and Audiobus
• Route MIDI output from Audio Unit extensions
• Supports Audio Unit multiple output and input busses (for side-chaining etc)
• Audiobus state saving
• Highly accurate transport clock
• Metronome with selectable output and optional pre-roll
• Sends host sync to Audio Unit plugins and IAA apps
• Play in time with Ableton Link, with Start/Stop support
• Slave external hardware via MIDI Clock
• FilePlayer with sync and looping with access to all your soundfiles
• Records straight into AudioShare storage space
• Record synchronized beat-perfect loops
• Built-in nodes for stereo processing, filtering and dynamics
• Latency compensation makes everything align at the outputs
• Multiple Inter-App Audio / Audiobus output ports
• Built-in MIDI keyboard
• Fully MIDI controllable
• MIDI Matrix for routing MIDI anywhere


• Stereo balance
• Stereo to mono
• Stereo panning
• Mid/Side balance
• Mid/Side - Stereo convert
• Invert Phase
• Parametric EQ
• Low-shelf filter
• High-shelf filter
• Low-pass resonant filter
• High-pass resonant filter
• First order All-pass filter
• Second order All-pass filter
• Gain
• Hard clip
• Saturation
• Lookahead peak limiter

What's new in v1.3.10

- Fix Ableton Link on iOS 14 (multicast networking entitlement).
- Pass through touches on built-in keyboard when showing params from plugin.
- Restore MIDI connections between imported nodes.
- Various minor fixes.
- AUv3: Improve handling of the parameter tree being changed by the plugin.
- Improve consistency for dark-mode in AUv3 plugins.

iPad Screenshots:

iPhone Screenshots:

Looking at this very early, the first time, I misread one of the new features as ‘add search bar to nose picker’ and momentarily thought the mighty AUM had gone downmarket. (-:
January 17, 2019  | person Zen
Splendid work, as always, Colin.
August 14, 2019  | person Zen
Gavin is the breakout hero of 2020
December 16, 2020  | person moomism

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