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PiZero Synchronized Sound Distribution

Multi-device streaming sound synchronization for home/apt.

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Chromecast Audio now allows multi-device sound synchronization. But you may have other existing streaming audio devices throughout your home/apt. Adding an inexpensive Raspberry Pi Zero (with USB audio) to each will bring them all into stream synchronization. The PiZero will add a delay buffer whose pointers are adjusted to advance/retard delay to bring everything into sync. Written in C. Uses the PortAudio library.

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