NI updates Audiomaster tester
National Instruments
Audiomaster 6.0
National Instruments has introduced version six of its Audiomaster analogue and digital audio validation and production tester.
The combination of the Audiomaster 6.0 configuration-based software interface and NI PCI- and PXI- based modular hardware gives users a software-defined test solution that delivers the performance of high-end audio analysers.
Combining the Audiomaster 6.0 software with an NI 7813R reconfigurable I/O device and NI CB-2180 FlexSPDIF accessory allows users to test devices with Sony/Phillips Digital Interconnect Format (S/PDIF) digital audio interfaces, such as set-top boxes, DVD players and home theatre systems.
NI Audiomaster 6.0 can test a range of audio devices, including media players, headphones, microphones and loudspeakers.
Audiomaster 6.0 software features a set of audio measurements using single tone, multitone, amplitude sweep, frequency sweep and step response analysis.
To help users reduce the development cost of automated audio test applications, the software directly integrates into NI TestStand test-management software, making it easy for users to automate various audio tests, gather measurement results, compare the results with defined limits, generate reports and store the results in a database.
Users can also combine Audiomaster 6.0 with the NI Sound and Vibration Toolkit and NI Labview software to develop custom audio measurement steps and integrate additional instrumentation into their NI TestStand applications.
For analogue audio tests, users can pair Audiomaster 6.0 software with either PCI- or PXI-based dynamic signal acquisition (DSA) devices, including an NI 4461 with two inputs and two outputs or an NI 4462 with four inputs.
The DSA devices provide 24-bits of resolution at up to 204.8 kS/s sample rates.
Audiomaster also features a calibration manager to calibrate against the nonlinearities that occur when using anechoic test chambers, artificial mouths, microphones and other audio test-system interfaces.
For digital audio tests, users can combine an NI 7813R reconfigurable I/O device with the NI CB-2180 to provide two S/PDIF inputs, each with a BNC for coaxial and TOSLINK for optical connections.
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