Recent improvements in the Pure Data (Pd) library library code (libpd) and significant run-time improvements using the Heavy compiler have made Pd more viable as a free audio engine for use in video games. Open source projects are now available to help speed the process of integrating Pd into the popular Unity game and create new possibilities for the use of Pd by game studios with limited budgets and for educational purposes as well. Details on best practices on the use of Pd for audio in video games are outlined in this paper.
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