Network World Building a Raspberry Pi -powered Barkometer, Part 4 Network World In Part 3 of my epic series “Building a Raspberry Pi -powered Barkometer”, I covered how to capture audio using the arecord command and how I'd discovered that I got better sound out of an old USB webcam than the fancy-schmancy (but very cheap) USB …

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Building a Raspberry Pi-powered Barkometer, Part 4 – Network World