Audio Latency Meter
thingiverse
This device measures the latency between the display and the speaker from a phone, computer, TV, etc. The idea is to play a video that shows white frames together with a sound, and this meter will receive both signals with a light and sound sensors, and show in the display the latency in milliseconds. Why? Bluetooth sound devices (headphones, earbuds, portable speakers, etc.) usually have considerable amount of delay and I wanted a way to compare them in an objectively way. The details about the project is in here: https://youtu.be/eRSyJysEV_o
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