AudioMatrix by Sound Particles channel routing utility plugin interface

AudioMatrix: Channel Routing Utility Plugin by Sound Particles

AudioMatrix is a channel routing utility plugin from Sound Particles that re-routes any input channel to any output channel, with gain and polarity controls. It supports up to 64 channels in stereo, surround and immersive work.

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01Overview

AudioMatrix is built for sessions where channel layout matters. You can send any input to any output, set gain on each routing connection, and invert polarity where needed. Routing presets for common gain values such as -3 dB and -6 dB sit alongside custom values. The plugin is available for Windows and macOS, and it handles mono up to 64-channel formats, so it fits mixes that move between stereo, surround and immersive layouts.

Best for

Surround format conversion
5.1 to 7.1 studio playback
Immersive mix downmixing
Mid-Side stereo processing
Sub-woofer bass routing
Mono compatibility checks

Developer: Sound Particles
Category: Utilities
Store: Plugin Boutique

02Key features

What you get

Routes any input channel to any output channel
Gain settings of -3 dB, -6 dB or custom per connection
Polarity inversion on any audio signal
Supports up to 64 channels of audio
Speaker array management for 5.1 audio in a 7.1 studio
Mid-Side conversion of stereo and back
Mirror, Big Mono and Bring to Center functions
Independent LFE level control and sub-woofer send

03In depth

Routing and Gain Control in AudioMatrix

The core of AudioMatrix is its routing matrix. Any input channel can be connected to any output channel, either as a regular connection or with a set gain value. Gain can be set to -3 dB, -6 dB or a custom level for each connection, so you can balance a signal as it is routed rather than adjusting it afterward.

Polarity inversion is available for any signal. Sound Particles points to Mid-Side conversions and Sub-Woofer alignment as common reasons to flip polarity, and the same control works for any routing path in the matrix.

Surround and Immersive Format Conversion

AudioMatrix covers several common speaker and format tasks. Speaker Array Management lets you reproduce 5.1 audio in a 7.1 studio using all surround speakers at the right levels. Format conversion changes channel ordering, for example from 5.1 Film to 5.1 SMPTE.

For immersive mixes, the Mirror and Big Mono functions flip stereo and complex 7.1.2 soundscapes or fold immersive audio into one mono signal. Basic upmixing and downmixing are also available, with control over each channel's contribution.

04Specs

Will it run?

Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.

Developer	Sound Particles
Type	Plugin
Category	Utility
Operating systems	Windows, macOS

05FAQ

Questions, answered

What is AudioMatrix used for?

AudioMatrix is a channel routing utility. It re-routes any input channel to any output channel and adds gain and polarity controls, which helps with surround and immersive format work.

Which operating systems does AudioMatrix support?

AudioMatrix runs on Windows and macOS. On macOS it requires OSX 10.13 or higher and supports Apple Silicon. On Windows it requires Windows 10 or higher.

What do I need to run AudioMatrix?

The listed requirements are a 2-core or higher CPU, 4 GB or more of RAM and 200 MB of disk space. macOS needs 10.13 or higher and Windows needs Windows 10 or higher.