Adding Room EQ to Audirvana

1. Instruction for Room EQ on Windows

- Download and install the latest version of Audirvana.
- Download MathAudio Room EQ. Copy the x64 version of the MathaudioRoomEQ.vst3 file to the folder C:\Program Files\Common Files\VST3 (create this folder if it is absent).
- Open Audirvana. Scroll down the Audirvana window and click the button which is shown by the red arrow on the image below.
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- Click the button which is shown by the red arrow on the image below.
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- Scroll down the window, open the "SIGNAL PROCESSING" tab and click the button which is shown by the red arrow on the image below.
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- Click the button which is shown by the red arrow on the image below and select the "MathAudio Room EQ" from the dropdown list. Then click the "Configure" button.
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- Use the "Load preset" on the Room EQ window to load the measured plots of your room. Then click the "Save" button. If you did not measure your room yet, you can use any other program which supports Mathaudio Room EQ in recording mode. For example, you can use a demo version of Reaper which can be downloaded from https://reaper.fm The instruction for using Reaper with Room EQ can be found here.

2. Instruction for Room EQ on Mac

- Download and install the latest version of Audirvana Plus.
- Download and install the AU version of the MathAudio Room EQ plug-in. Audirvana Plus doesn't support audio inputs that are necessary for the room measurement, but you can use free AU Lab program for the measurement. The measurement process is as follows:
- Download and install AU Lab.
- Launch AU Lab, found in /Applications/Utilities/
- From "Factory Configurations" menu select "Stereo In/Stereo Out". From "Audio Input Device" menu select your microphone input and from "Audio Output Device" menu select the output which corresponds to your speakers.
- Click the "Create Document" button at the bottom of the screen. Make sure that you hear the sound of the measurement microphone in one of your speakers when you touch the measurement microphone. If the sound is absent and you use USB speakers, you need to manually set the necessary inputs and outputs in AU Lab as it is described here.
- At the next screen, look for "Output 1" column and click the "Effects" dropdown, selecting "MathAudio Room EQ".
- Make sure that the green indicators show the presence of the mic signal (see figure below).
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- Measure the frequency response of your room in accordance with the items 5 and 6 of the Room EQ Help manual. Make no less than 5-20 measurements within the area of possible locations of all listeners. Use the "Save preset" button to save the frequency response as a .snr file.
- Quit AU Lab without saving.
- Select the Room EQ AU plug-in in Audirvana Plus (Audirvana Plus -> Properties... -> Audio Units) and click the "Configure" button.
- Click the "Load preset" button to load the .snr file.