Audio Precision has released version 6.0 software, the latest update to APx500 audio measurement. With this release, APx software supports multiple simultaneous input types, enabling the concurrent measurement of up to 16 channels of digital and eight channels of analogue audio data. This new multi-input capability, paired with the highest channel count and widest range of digital I/O available, provides APx users critical cross-domain insight and the opportunity to reduce testing time

Multiple simultaneous input types, or multi-input, is the ability to activate a second input type on any APx modular audio analyser, or APx515 analyser, and make measurements simultaneously on analogue and digital signals.

APx500 v6.0With two input types enabled – for example, analogue for one or more reference microphones and PDM 16 for an array of MEMS microphones – there will be measurement results for every enabled input channel. In addition, the sensitivity or gain function of digital microphones and other converters can be directly found via a new derived result, Sensitivity, which displays the RMS Level relationship between the analogue and digital inputs.

The multi-input feature is available for use in both Sequence Mode and Bench Mode and supports all the essential measurements used for the analysis of microphones and microphone arrays. This includes Transfer Function, a dual-channel FFT analysis function added in the previous release of software. With multi-input and Transfer Function, the complex, magnitude and phase, relationship between multiple analogue or digital microphones or other cross-domain devices can be found.

For audio devices that can have both analogue and digital outputs active simultaneously, the new multi-input feature enables the simultaneous evaluation of those outputs, whether in a design lab or on a manufacturing line. Concurrent measurement of both signal types also has the potential to reduce test times, which is especially important in manufacturing applications.

Multi-input is especially useful for devices with digital microphones – smart speakers, mobile phones, Bluetooth headsets and other devices – as it allows for the simultaneous measurement of the device’s microphone in conjunction with an analogue measurement microphone as a reference.

‘Our latest major release of APx software delivers a powerful new capability with broad application in both the design and manufacture of audio products,’ says Audio Precision Chief Executive Officer, Mike Flaherty. ‘Whether providing added insight to the design engineer or accelerated test time for the manufacturing engineer, multi-input demonstrates the power and value of APx audio measurement software.’

With this latest release, new APx audio analysers will ship with version 6.0 software and one year of software maintenance, effectively licensing that instrument for APx version 7.0 when it is released (in addition to any minor releases that occur between v6.0 and v7.0). New APx analysers purchased with version 5.0 (between 18 December 2018 and 10 June 2020) are licensed for version 6.0 in accordance with one year of software maintenance and users need only download v6.0 from AP.com.

Software upgrades are available for owners of Legacy APx analysers, with options for upgrading from v4.x (or earlier) to v5.0, from v4.x to 6.0, and v5.0 to v6.0. Software maintenance contracts are likewise available, providing for purchase, entitling the user to an additional major software release.

Release 6.0 is compatible with all analyzers in the APx500 Series. An APx KeyBox is required to run v6.0 on Legacy APx analysers. APx KeyBoxes already installed on Legacy analysers (v4.6 and 5.0), are also compatible with v6.0 and only require an updated licence file once an upgrade is purchased.

More: www.ap.com

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