• Real Time Analyzer software
  • High resolution: 1/1, 1/3, 1/6, 1/12 octave
  • NC test sequence
  • RT60 measurement
  • User configurable function keys
  • Comprehensive Theatre Test: All necessary tests organized in an easy-to-follow sequence
  • Audio frequency oscilloscope for film projector A-chain alignment.
  • Optional AC-3 test signal encoder
  • Microsoft® Windows XP/Vista/ 7 / 8 / 10 required

To see recent changes in win|RTA, view the changelog.

Click on a screenshot to view a higher resolution image.

win|RTA is advanced software for sound analysis. This flexible software is optimized for cinema sound, offering features not found in generic sound analysis programs.

There are four versions of win|RTA:
  • win|RTA D2, designed to interface with the D2 hardware
  • win|RTA Studio, for use with a multi-channel microphone interface
  • win|RTA Standard, for use with a single microphone
  • win|RTA Basic, a simplified version available as a free download

  • win|RTA D2 is the software that provides all the multi-microphone test and measurement capabilities of the D2 Acoustical Measurement System. It comes with the D2 system These features are listed in the column to the left and shown with screenshots below.

    win|RTA Studio allows you to create your own multi-channel analysis system. It provides the same testing capabilities as those found in win|RTA D2, but with your audio interface and microphones. The interface must have ASIO drivers.

    win|RTA Standard is designed to be used with a single microphone or third-party multiplexer. It can perform all tests that do not require software microphone control. It includes 1/1, 1/3, 1/6 and 1/12 octave analysis, pink noise generator, NC and RT60 testing, user-definable function keys, plus audio frequency oscilloscope for cinema projector optical A-chain alignment.

    win|RTA Basic has the essential functions needed to measure and align the frequency response of loudspeakers. It uses the same industrial strength averaging and filtering (1/1 and 1/3 octave) algorithms used in the D2 system by sound professionals around the world. It also provides high-quality reference pink noise (the quality of the data and pink noise is dependent on the computer's audio interface; best results are obtained when used with an approved interface), and file save, print and compare.

    win|RTA Studio and Standard can be purchased online for Internet download.

    win|RTA D2, Studio, & Standard can add the optional AC-3 test signal encoder, which can be purchased online

    win|RTA Basic is a free download.

    Feature comparison:

    Feature   D2   Studio Standard Basic
    file save & recall
    file compare  
    microphone calibration
    time averaging
    balloon help
    pink noise generation
    calibrated output levels      
    built in F-key shortcuts  
    user configurable F-keys  
    1/1, 1/3, 1/6, 1/12 octave 1/1 & 1/3
    sliding window average  
    background noise (NC)  
    reverberation time (RT60)  
    audio frequency oscilloscope  
    expand frequency axis  
    readout of bar value  
    data file averaging  
    optional AC-3 test signal encoder  
    microphone multiplexing    
    automated NC & RT60 testing    
    Comprehensive Theatre Test    

      win|RTA D2

      win|RTA Standard


      Background noise

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      RT60 Summary

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      CTT Summary

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      X-Y displaying tone

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      Azimuth adjustment with pink noise

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      Crosstalk adjustment

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