Published May 16, 2022 | Updated May 17, 2022 Reading time: 16 minutes Table of Contents Why Audio is Hard Communicating Between Threads Shared ownership via Mutexes Shared ownership via atomics Use more ringbuffers Storing Resources on the Audio Thread Solution 1: Arenas Why it takes too long Solution 2: IndexMap Solution 3: Revisiting arenas Conclusion I develop a game audio library called Kira. Here's some of the hard parts I've figured out. If you decide to make an audio library for some rea...