# Software Audio Inputs

### Install Existential Audio’s Blackhole software

**1)** To use music software as the audio input to FR<mark style="color:red;">EQ</mark>UIA, you will need to **install Existential Audio’s free Blackhole software** from <https://existential.audio/blackhole/>

Follow the prompts and download and install 'BlackHole 2ch‘.

### Start Playback

**2) Open your music software** (e.g., Spotify) and press play on a track, ensuring the volume is at maximum in your software.

### Change the System Output

**3)** **Click on Apple Icon > System Preferences > Sound.**

**4) Click on the Output tab.**

**5) Double-click on ‘BlackHole 2ch’.**

![The Mac System Sound setup window](/files/db0lgsGWETtfIlMbcv5O)

{% hint style="info" %}
Your system audio will cut out at this stage, this is normal.
{% endhint %}

### Launch FR<mark style="color:red;">EQ</mark>UIA

**6) Launch FR**<mark style="color:red;">**EQ**</mark>**UIA** and create or load a training file.

**7) Open the Audio Settings window** by clicking on **Settings > Audio Settings** in the menubar.

**8) Click on the Input Device drop-down menu and select BlackHole 2ch.**

![The Audio Settings pop-up window](/files/x40uUTI32YwVjEsvftdF)

Ensure the power button at the bottom of the Audio Settings window is blue, if not, click it until it turns blue.

**9) Close the Audio Settings window.**

**10) Click on the Audio Files button** in the top-right of the Waveform window (see arrow below). The button will change to **Software Input** and you will hear the track playing through FR<mark style="color:red;">EQ</mark>UIA.

![The Audio Files / Software Input button in the Waveform view](/files/Ols6aRgIIbXDfg5UtxME)

You can switch between playing imported audio files and software input at any time by clicking on the Audio Files / Software Input button.

{% hint style="warning" %}
**Don’t forget to change your system output back to its previous setting after using FR**<mark style="color:red;">**EQ**</mark>**UIA,** by double-clicking on MacBook Pro Speakers in Step 5 above.
{% endhint %}


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