BEEPS and PORTS

In this talk, Joseph Stewart will take you on the wandering path that led him to create an ALSA port driver in C for use with Elixir programs to playback audio waveforms. Along the way, he will share how he explored open-source sound libraries, tackled the challenge of writing a custom Erlang term encoder and decoder, and revived a hand-built MIDI adapter to connect to an old Rock Band 3 keytar. These experiments ultimately led him to build a standalone port driver to play audio—with a few fun surprises! And, of course, he will share how he drove his family crazy with endless sine waves during the process.

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The Nerves Project defines a new way to build embedded systems using Elixir.