Starbucks fails noise level test against competitors – Boing Boing【■■ Coffee (E)】New data exposes Starbucks as one of the noisiest coffee chains, making conversation difficult during peak hours like 8-9am and 3-4pm.2024.04.26 New data exposes Starbucks as one of the noisiest coffee chains, making conversation difficult during peak hours like 8-9am and 3-4pm.