Avbutil

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  1. macOS avbutil Command

The `avbutil` command is included in macOS since macOS Sierra (needs verification).

    1. Known avbutil versions

OS | Release | Version


| ------- | -------

macOS Sierra | 10.12.6 | 506.1 macOS High Sierra | | macOS Mojave | | 740.1 macOS Mojave | 10.14.6 | 760.6 macOS Catalina | 10.15.2 | 800.17

    1. AVDECC Entity Controller

The AVDECC Entity Controller can be started from the *Terminal*.

``` $ avbutil avbutil 740.1

avbutil> controller avbutil> ```

Once the controller is started, the AVDECC Entity Controller window should open. This provides general information about the available AVB streams.

{AVDECC Entity Controller>}

To see what streams are patched where, open the AVDECC Connection Matrix from the Window menu (or by typing Cmnd-4). **This tool can be used to patch Talkers and Listeners with each other.** Talkers are listed across the top, and Listeners across the left. In the image, the one patched connection [X] below reflects that the Avid:E3 Engine output stream for channels 1-8 is patched to a MOTU:Stage-B16 input stream.