Flux Pure Analyzer Essential AAX, VST, AU


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Pure Analyzer System – The Next Generation RTA (Real Time Analyzer) System


The Flux:: Pure Analyzer System is a network-driven modular RTA-system providing an extensive range of analyzer options for any imaginable audio analysis and measurement applications.


For maximum flexibility and efficiency, Pure Analyzer presents the option to separate the signal acquisition from the analysis utilizing a Sample grabber plug-in, and in addition to the Sample grabber plug-in, Pure Analyzer also provide I/O support for ASIO and Core Audio.


Sample Grabber


Sample grabber is a standard DAW plug-in available in all common formats (VST, AU, AAX Native and AAX DSP) that acquires the source and response signals and sends the signal through the network using the ZeroConf/Apple Bonjour protocol.


You can insert as many instances of Sample grabber plug-ins as required, on the same DAW, different DAWs, and even different computers altogether, and the Sample grabber also support surround configurations. The network configuration setup for the Pure Analyzer System is entirely automatic and transparent to the user.


The audio transport requires approximately 1.4Mbps for each channel at a sample rate of 44.1kHz, so a properly configured standard Ethernet 100Mbps network should be more than sufficient to handle most cases. A 5.1 configuration at 96kHz demands a little less than 20Mbps. Naturally these requirements do not apply when using both Sample grabber and analyzer on the same hardware.


Pure Analyzer Essential


The foundation of the Pure Analyzer System is a standalone application, Pure Analyzer Essential, which can be extended with modules for Live, Metering/Loudness and Surround analysis, performing the graphic analysis rendering using a GPU-efficient 2D/3D graphic engine. The engine is based on the OpenGL standard optimizing the audio-to-visual experience utilizing the GPU on the built in graphics card.


The Pure Analyzer Essential application receives the sample feeds from the Sample grabber and analyzes them in real time. The Pure Analyzer provides the option to receive data from several different Sample grabber plug-ins on the network, and analyze the received data in parallel by selecting the actual corresponding Sample grabber to be the current source for the analysis with a simple button click. In addition to this, the input streams from the physical ASIO/Core Audio I/O can also be selected as the current source for the analysis in the same simplistic fashion.


Add-on Modules


As a complement to the Pure Analyzer Essential, three different add-on modules, all providing specific tools for their actual field of usage, are currently available. In order to use any of the add-on modules, the Pure Analyzer Essential is required.


Available add-on modules are:

  • Pure Analyzer Metering
  • Pure Analyzer Live
  • Pure Analyzer Multichannel



Basic Requirement (Mandatory!)

The Pure Analyzer Essential is required in order to run any of the add-on modules; Pure Analyzer Metering, Pure Analyzer Live or Pure Analyzer Multichannel.


Main Features


Basic metering

  • Peak meter
  • Basic RMS meter
  • Fully customizable scale and ballistics
  • Phase meter

Weighting filters

  • ITU-R BS.1770-2 (K-weighting)
  • ANSI A
  • ANSI B
  • ANSI C

Real-time spectrum analyzer

  • Standard FFT or unique Flux:: Spectrum representation
  • Block size up to 64 K
  • Configurable analysis window
    • Rectangular
    • Barlett
    • Blackman
    • Hamming
    • Hann
  • Real Time waterfall (see “slide” option in spectrum setup)
  • Amplitude or power frequency scaling
  • Time-averaging
    • Continuously running
    • Fill/freeze refresh/display cycle
    • User-adjustable length up to 200 frames
  • Max (accumulated) or running mode
  • Display channels’ sum or a number of channels, user-selected
  • User-adjustable fixed range or automatic range
  • Simultaneous display of:
    • Raw, full-resolution curve
    • Smoothed curve with user-adjustable detail setting
    • Peak curve
  • Independently adjustable curve ballistics
  • Peak tracking with user definable frequency range and several display variations
  • Keyboard and mouse frequency-axis zoom
  • Fully-customizable curve visual options

Spectrogram Display

  • Color modes
    • Power grading
    • Frequency grading
  • Range Min
  • Range Max

Vector Scope

  • Internal processing up to 768 KHz
  • Auto-scaling
  • Fully adjustable display
    • Blending
    • Fading
    • Blurring
    • Scaling
  • Several color modes
    • Static color
    • Power grading
    • Dynamic grading
    • Power + Dynamic grading

Nebula stereo (Front projection only)
Unique spectrum over space scope, providing real-time visualization of the the audio content in the stereo space-frequency domain. 

  • Auto-scaling with user adjustable ballistics
  • Focus Control
  • Linear or logarithmic blending
  • Fully adjustable display
    • Fading / persistence
    • Blurring
    • Scaling
  • Choice of color modes
    • Power grading: color varies according to signal power
    • Dynamic grading : color varies according to signal dynamics
    • Power/dynamic grading : combines both previous modes
    • Frequency grading : color varies according to frequency
  • Channel-selection with surround input content


  • Multi-channel
  • Zero-crossing trigger

Basic Requirement (Mandatory!)

The Pure Analyzer Essential is required in order to run any of the add-on modules; Pure Analyzer Metering, Pure Analyzer Live or Pure Analyzer Multichannel.


Processing Specifications



  • Mono and Stereo analysis
  • Sample rates up to 384 KHz
  • Network support with the SampleGrabber plug-in (Password-protected audio stream encryption)
  • Extremely efficient OpenGL based graphics rendering engine, capable of up to 120 fps
  • Independent display and time-code frame rates
  • Auto-pause controlled by user-defined threshold



System requirements


The Python scripting engine is used by the Pure Analyzer System and is required prior to installing the Pure Analyzer System installer. Mac OS X 10.6 may require manual installation of Python 2.7.3 or later, with OS X 10.7 and 10.8 this is installed with the system per default. You can download the installer below:


Pure Analyzer is built around Flux::’s new 2D/3D efficient graphic engine, which employs full GPU-acceleration utilizing an OpenGL-compliant graphics card.


In order to experience the outstanding graphical response in Pure Analyzer and to fully take advantage of the software’s analysis capabilities, using a modern nVidia or ATI Radeon graphics card is recommended.
Older, and other less efficient graphics cards do not have the required performance and specifications, and will offload too much work to the CPU.


The processor is an important factor as well, and we recommend using at least and Intel Core 2 Duo, Core i5 or newer architecture processor. AMD processors are also supported, but might exhibit lower performance, as they do not offer the same capabilities and optimizations as Intel CPUs.


System recommendations


  GPU: AMD/ATI Radeon or nVidia video-card. Intel integrated graphics are tested and works, but with limited capabilites, thus should be avoided.

Minimum requirements

  • CPU: Intel Core 2 Duo @ 1.6 GHz
  • GPU: OpenGL 2.0 or superior compatible, with pixel-shader support

Recommended configuration

  • CPU: Intel Core i5 @ 1.7 – 2.2 GHz or better
  • GPU: AMD/ATI Radeon or nVidia. Intel integrated graphic-cards are tested and works, but with limited capabilites.

Common requirements

  • A free USB port to connect the Flux:: or iLok dongle.


Please make sure that the latest version of vendor-provided optimized drivers are installed for your graphics card. Generic drivers may contain bugs and are in general less up-to-date with optimizations presented in drivers specific to your particular graphics card model.


Compatibility, Pure Analyzer Application (32/64-bit compatible)


Operating Systems

  • Windows – XP, Vista, 7
  • Mac OS X – 10.6, 10.7, 10.8

Hardware IO support

  • ASIO (Windows)
  • Core Audio (Mac OS X)



Compatibility, SampleGrabber plug-in (32-bit compatible using 64-bit internal processing)


All major native formats are supported, and TDM for Venue/D-Show systems only.


  • Windows – XP, Vista, 7
    • VST (2.4)
    • AAX*
  • Mac OS X (Intel) – 10.6, 10.7, 10.8 in 32 bits.
    • VST (2.4)
    • AU
    • AAX*


The AAX version requires ProTools 10 or later.

Additional information

Additional information



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