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Utilities, Proects, & MacrosHOME/DOWNLOADS/UTILITIES, PROJECTS, & MACROS
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Utilities, Projects, & Macros
2700 Series Crest Factor test v1
File configured to measure crest factor. See knowledge base article for complete explanation.
2700 Series I2S jitter measurement v1
This file accompanies the knowledge base article "I2S jitter measurement with the SYS-2722." It demonstrates how to measure digital interface jitter using the digital unbalanced input of the instrument.
AES17 filter set bit macro
This AP Basic macro reads or sets the 2700 series instrument EEPROM firmware configuration to indicate the currently installed pre-analyzer filter. If you install or remove pre-analyzer filter hardware, you must set the EEPROM configuration for correct software operation. Requires AP2700 or APWIN version 2.24 or later control software.
AP2700 & ATS-2 Resources Disc
The Audio Precision Resources Disc contains Sample Tests, the Performance Check and documentation to help you operate your AP2700 or ATS control software compatible audio analyzer. AP2700 or ATS control software is required. The installer includes both AP2700 and ATS-2 resources. You will be prompted to choose which components you wish to install.
AP2700 DIM Measurement Macro v1
Accompanies KB article "DIM 30 and DIM 100 Measurements per IEC 60268-3 with AP2700"
APWIN Basic to ATS Basic Translator v1
APx Active Loadbox Utility v1
APx Barcode Scanner Interface v0
A barcode scanner may be useful in production testing, not only to expedite data entry, but to eliminate the possibility of initiating the wrong test routine. The APx Barcode Scanner Interface is a small VB.net application (Run_Barcode_Project_ID.exe) that automatically loads an APx project who's name matches the barcode data.
APx Blu-ray Disc Sample Project v1
APx Blu-ray Disc Sample Project with instructions. Requires APx585 with HDMI.
APx Damping Factor Measurement Utility v2.6 (View previous versions)
The APx Damping Factor Measurement Utility plots audio amplifier damping factor vs. frequency. It is developed in LabVIEW 2009, but does not require that you have LabVIEW to run. See the accompanying knowledge base article for an explanation and instructions.
Includes the Windows installer, source code, and instructions.
The version number of this utility must match the version of the APx software that you are running.
APx FM MPX-RDS Demo Project v1
A simple APx project file to demonstrate testing of FM transmitters and receivers, including automotive head units. Includes a set of MPX-RDS-encoded sweeps and tones.
APx FM MPX-RDS Waveform Creation Utility v2.6 (View previous versions)
This utility can create a file containing a multiplexed and RDS encoded waveform of stereo sine waves, and upload it to the APx500 measurement software. Accompanies Technote TN-105, "FM Radio Receiver Testing with APx Audio Analyzers." The MPX-RDS FM utility is written with LabView. This download is for users both with and without LabView installed. For those users who do not have LabView, a run-time version will be installed with the utility.
APx Loudspeaker Impedance Measurement Utility v2.6 (View previous versions)
This utility for APx analyzers allows you to make an impedance vs frequency sweep across a loudspeaker, and then see the graph and data results directly in ohms. Clicking Help in the utility will display the complete instructions, including a discussion of the theory behind it. This download includes the compiled utility application (LabVIEW not required to run), as well as the LabVIEW 2009 source code.
APx Mixing Console Sample Project v1
APx mixing console sample project with instructions. Requires any APx instrument.
APx Multitone EQ Utility v2.6 (View previous versions)
The utility creates an equalized multitone stimulus signal, with the inverse response curve calculated either by measuring an existing device with an APx analyzer, or by importing a Microsoft Excel Worksheet file with frequency and level data. Running the installer installs both the executable program and the VB.NET source code.
Requires APx500 software (same version number as this utility) and Microsoft Excel 2003 or 2007.
APx Output Impedance Measurement Utility v2.6 (View previous versions)
The output impedance of a device can easily be calculated by measuring its output voltage with and without a known load attached. The APx Output Impedance Measurement Utility simplifies the procedure by calculating and graphing the results. It is developed in LabVIEW 2009, but does not require that you have LabVIEW to run. See the accompanying knowledge base article for an explanation and instructions.
The version number of this utility must match the version of the APx software that you are running. Includes the Windows installer, source code, and instructions.
APx PSRR Measurement Utility v2.6 (View previous versions)
APx Performance Check v2.6 (View previous versions)
Performance check (automated self-test) for all APx instruments.
APx Portable Audio Player / Headphone Test Utility v2.6 (View previous versions)
Tests portable audio players and headphones packaged as a set, and as individual components, for compliance with the BS EN 50332 standard. Works with any APx Series analyzer. The version of APx500 software must match the utility version. Includes Windows installer and vb.NET source code.
APx Power Amplifier (Linear) Sample Project v1
APx power amplifier (linear) sample project and instructions. Requires any APx instrument.
APx Reports Tutorial A Files v2.6 (View previous versions)
The files created while doing "Tutorial A: Making a Custom layout from the Default layout" in the APx500 program Help. Use these files if you wish to skip Tutorial A and proceed with Tutorials B and C.
APx Run External Program Project v1
This APx project and related files demonstrates how to run an external program from APx500. Includes THD+N measurement and Stepped Frequency Sweep measurements. The project file calls the Goldwave audio editor program, so you will either need to install Goldwave, or substitute another audio player with a command line interface. Accompanies the kb article "Running an external program from APx500," which gives a complete explanation.
APx Waveform Generator Utility v2.6 (View previous versions)
The Waveform Generator Utility (WfmGeneration.exe) allows you to generate the 34 APx External Source signals at any of a wide range of sample rates and at two bit depths. It also allows you to generate 8 other waveforms. For more information on the 34 APx External Source signals, see the file "Audio Precision Test Signals on CD.pdf" in the Audio Test Signals folder.
This utility program was created to alleviate the need of copying and transferring gigabytes of linear PCM audio files for external source testing. You are free to copy this utility to other computers or media, where you can generate the audio files you may need for external source testing.
ATS-1 HPIB Emulator Sample Programs v1.0
HPIB is an interface protocol used with older Hewlett-Packard instruments. These programs demonstrate the ATS-1 capability to operate in HPIB emulation mode.
ATS-2 Loudspeaker Impedance tests v1
ATS-2 Loudspeaker Impedance files associated with KB article 105
ATS-2 Performance Check v1.62
ATS-2 Performance Check macro.
ATS-2 Samples Only
Sample Test files for ATS-2
Complex Impedance AP Basic macros v2 (View previous versions)
Complex Impedance AP Basic macros (includes PDF of the Measuring Complex Impedance article)
FFT Scaling for Noise Macro v1
AP2700 macro and test file to accompany the KB article "FFT Scaling for Noise."
Contains several functions that are useful for performing calculations on FFT spectra, including FFT spectrum integration with window correction. There is also a subroutine that will convert a measured FFT spectrum to amplitude spectral density in dB relative to 1.0 V/√Hz, or FS/√Hz, and plot it on the graph.
Get all FFT Bins v1
Illustrates setting up the sweep panel to return all FFT bins. For 2700 Series and ATS-2. The macro includes a function that gets the Sample Rate and FFT length, and in addition to setting up the sweep panel, it retrieves the FFT level spectrum in units of Volts.
Graph Trace Setting Macros for AP2700 and ATS v1
Lets you set the graph trace properties quickly (line color, thickness, pattern, comments), even if you aren’t otherwise using macros or automation, by adding this macro to your Quick Launch toolbar.
Zip file includes macros for AP2700 and ATS, and Quick Launch installation instructions.
Split Stereo Waveform AP2700 and ATS Macros v0
The ATS-2 and 2700 Series GPIB implementation requires that waveforms loaded into the analog and digital Arbitrary waveform buffers be mono files. Many of the sample waveforms provided for the two instruments are Stereo. This download contains two macros, one for each instrument, that can be used to split the stereo waveform into mono files.
System Two Family Performance Check v1.22
System Two Family Performance Check macro for all System Two and 2700 Series instruments.
