Plugins & Drivers


AP2700 Add-ins 3.30 (742.75 KB)

dd-Ins are additional software features that can be seamlessly integrated into the AP2700 user interface.
AP uses the standard Windows "Add/Remove Programs" exclusively to manage Add-Ins.

Add-In Descriptions

User Preferences -- Provides a user interface where you can set user preferences, define multiple preference groups and control how the preferences are applied to tests.

Document Test Settings -- Creates an ASCII text file that documents selected panel settings for the current test configuration.

Delete Traces-- Provides the capability to delete selected traces from the Graph / Data Editor. Sweeps that have any traces removed from view in the Graph are deleted.




AP2700 and ATS Windows APIB Drivers 1.0 (112.00 KB)

Audio Precision's proprietary APIB interface bus requires the installation of the proper Windows driver software on your PC.




AP2700 and ATS Windows USB Drivers (107.81 KB)

Drivers for running AP2700 and ATS software in Windows 7 and 8 using the AP USB-APIB Adapter. Includes instructions. See the KB article AP Software Windows Version Compatibility for more information.




AP2700 MLS Quick Launch Macro (14.51 KB)

Resolves an error with the MLS Quick Launch macro in AP2700 v3.3. When the MLS Quick Launch icon is clicked, and then the sweep Go button is clicked, the following message is displayed: "Error 18020: Channel 1 De-emphasis overload detected" Unzip this file, and save the two resulting files in the "My DocumentsAudio PrecisionAP2700 3.30Quick Launch" directory, replacing the ones currently there. This will fix the problem.




APx Attack-and-Release Plugin 1.0 (1.73 MB)

Automatic Gain Control (AGC) is a signal processing technique typically used to limit the audio dynamic range in applications ranging from hearing aids to broadcasting. AP’s latest plugin enables the characterization of attack-and-release (recovery) times for AGC-enabled devices and allows the user to perform the tests according to several different standards, from IEC 60268-8 for general purpose AGC devices to IEC 60118-2 and ANSI S3.22 for hearing aids. Test settings can also be customized when using the IEC 60268-8-based measurement.

The plugin is compatible with any model APx500 Series analyzer and requires APx audio measurement software, version 4.3 or later.




APx Audio-Video Sync Plugin 1.0 (1.9 MB)

The A/V sync plugin integrates audio delay measurement into APx software to support designers evaluating audio/video timing (lip sync) in professional and consumer systems. The plugin is also designed to support the A/V synchronization tests that are part of both Dolby® and DTS® licensee compliance requirements.

The plugin is compatible with any model APx500 Series analyzer and requires APx audio measurement software, version 4.3 or later.




APx Octave Analysis Plugin 2.0 (156 MB)

Performing fractional octave analysis of broadband signals incorporating speech and noise can be an important element in the design and verification of a wide range of audio and communications systems. AP’s new plugin integrates octave analysis capabilities into APx measurement software, replacing the FFT-to-Octave Conversion utility for APx version 4.3 users.

The plugin is compatible with any model APx500 Series analyzer and requires APx audio measurement software, version 4.3 or later.




APx STI Plug-in 1.1 (196.79 MB)

For designers of public address, flight recorder and police/fire/emergency communications systems, the APx Speech Transmission Index (STI) plug-in is a software add-on for the APx500 that provides a STIPA measurement and Speech Level measurement conforming to international standard IEC 60268-16 (2011).

NOTE: The STI plug-in is a software option and requires the purchase of an iButton (APX-SW-STI) for measurement functionality. Download and installation of the plug-in, without an iButton, enables the measurement in demo mode only. The APx STI plug-in requires v4.2.1 or later of APx500 audio test software.




APx500 USB Driver Update for APx500 3.4.3 (532.57 KB)

USB driver update for users of APx500 v2.3 - 3.4 running on Windows Vista, 7, and 8. Apply this update if you encounter the following symptoms:
1) During installation of APx500 you receive one or both of the following warnings:

- User Account Control (UAC) warning: "Do you want to allow the following program from an unknown publisher to make changes to this computer?"

- Windows Security warning: "Windows can't verify the publisher of this driver software."

2) APx500 fails to recognize an attached APx analyzer (runs only in demo mode).

Download this update and run it after installation of APx500 and then power-cycle the attached APx analyzer.




ATS-2 Add-ins 1.6 (518.74 KB)

Add-Ins are additional software features that can be seamlessly integrated into the ATS-2 user interface.
AP uses the standard Windows "Add/Remove Programs" exclusively to manage Add-Ins.

Add-In Descriptions

User Preferences -- Provides a user interface where you can set user preferences, define multiple preference groups and control how the preferences are applied to tests.
Document Test Settings -- Creates an ASCII text file that documents selected panel settings for the current test configuration.
Delete Traces -- Provides the capability to delete selected traces from the Graph / Data Editor. Sweeps that have any traces removed from view in the Graph are deleted.