Using the driver, in conjunction with the APx500 software and Microsoft’s.
#LABVIEW SOFTWARE DRIVER#
The APx LabVIEW Driver is a collection of LabVIEW subprograms that enable users to access the functionality available in the APx500 Application Programming Interface (API) with a minimum number of programming steps, using high-level LabVIEW-typical functions. Potential uses include vibration analysis, acoustic intensity, ultrasound, infrasound, analysis of dynamic signals (e.g., force, pressure, strain), power supply quality, and more. Users can easily integrate the high-quality, robust APx515 analyzer front end into any LabVIEW application involving signal generation and analysis from DC to 90 kHz. In addition to audio test, the LabVIEW DAQ Driver for APx515 opens up a world of possibilities in non-audio signal acquisition. Provision of these features enables LabVIEW users to easily make industry standard audio measurements while eliminating the need to develop their own analysis routines.
#LABVIEW SOFTWARE GENERATOR#
Additionally, the APx DAQ driver has audio test functionality that makes it unique, including sine generator with two independent channels optional dither for digital signal generation high- and low-pass input filters input signal weighting filters and a wide range of meters for audio metrics. The APx515 DAQ driver’s feature set includes support for the LabVIEW waveform data type, arbitrary waveform generation and waveform acquisition. Main Menu Palette of LabVIEW DAQ Driver for APx515 Figure 1 shows the top-level VIs on the DAQ Driver menu palette, accessed from the Instrument Driver sub-palette in LabVIEW. Additionally, it enables control of the APx515 completely independent of the APx500 control software. The driver is based on a low-level C++ measurement library, adheres to National Instrument’s standard guidelines for instrument drivers, and has a very small memory footprint. Easy addition of the APx515 to a LabVIEW environment is achieved via the DAQ driver’s collection of Virtual Instruments (VIs)-a function or program created in LabVIEW-for initializing the hardware and configuring a wide range of settings, including input and output channels, sample rates, trigger conditions, signal generation, and signal acquisition. If integration of an APx515 is desired but the analyzer will be operated without use of the APx500 software, then the LabVIEW DAQ Driver for APx515 is the proper driver to deploy.ĭeveloped with a broad range of signal acquisition applications in mind, this driver streamlines and simplifies the integration of the APx515 analyzer as a robust, high-quality front end to LabVIEW-based measurement environments. APx515 users have the option to use this same driver, or to deploy the LabVIEW DAQ Driver for APx515, and should therefore answer the next question below.ĭoes the analyzer need to be operated independently from APx500 audio test software? To incorporate an APx555, APx52x Series, or APx58x Series analyzer into a LabVIEW system, users must employ the APx LabVIEW Driver. Which model of APx500 Series audio analyzers will be integrated into the LabVIEW environment?
#LABVIEW SOFTWARE DRIVERS#
Determining which of these drivers will best suit a user’s need is determined by answers to the following two questions: For users interested in integrating their APx500 Series audio analyzers into a LabVIEW software environment, Audio Precision provides two different options: the APx LabVIEW Driver and the LabVIEW DAQ Driver for APx515.
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