This project uses [hraban/opus](https://github.com/hraban/opus). In order to build and run the project you need to have `pkg-config` `libopus-dev` and `libopusfile-dev` installed.

macOS

```shell
brew install pkg-config opus opusfile
```

Debian

```shell
sudo apt-get install pkg-config libopus-dev libopusfile-dev
```
