Test & Measurement

Measurement software delivered to 3rd party audio interfaces

1st October 2019
Mick Elliott

An audio analyser that enables the use of APx audio measurement software with ASIO-capable third-party audio interfaces or sound cards has been released by Audio Precision. With the introduction of APx500 Flex, manufacturers can cost-effectively deploy the measurement capabilities, flexibility and quality of APx software to their production lines.

The APx500 Flex audio analyser is Audio Precision’s APx500 measurement software operating independently of an AP hardware analyser, with licensing controlled by an APx500 Flex Key.

In lieu of a purpose-built analyser, Flex can be paired with ASIO-capable third-party audio interfaces to create a cost-effective solution for a variety of acoustic and electrical test applications.

Measurement scenarios where hardware performance requirements are secondary to test system price—such as production line test of speakers, headphones and microphones—are ideal candidates for Flex.

APx500 Flex allows users to leverage test development done in the R&D cycle through the ability to import project and template files developed for AP hardware analysers, reducing test development time and maintaining consistency in test methodology. It can also be used as a portable audio measurement system for application engineers and QA technicians on the go.  

The audio analyser is being introduced in conjunction with the release of APx500 software v5.0.2, which provides improved ASIO support, including the calibration of inputs and outputs in V, Pa, and FS, automatic or manual delay compensation for compliant ASIO interfaces, and support for generator trigger, and acoustic and impedance measurements.

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