The Most Annoying Computer Noise | Noctua Engineering Deep-Dive on Case Fans
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This engineering discussion features Jakob Dellinger of Noctua, who helps to explain an acoustic phenomenon we recently observed in a case review. The phenomenon has to do with the beat frequency observed from fan interactions. There are other types of annoying noises, such as vibrations, resonance, or coil whine, caused by computer parts as well; however, for beat frequency, it is specifically related to an undesirable interaction between two fans. This can happen in particular with CPU air coolers. With the inbound Noctua NH-D15 G2, the long-awaited cooler that is supposed to replace Noctua's best CPU air cooler, this topic is fitting as it relates directly to the NF-A14 G2 fans.
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Watch our "Forbidden Interview" with Jakob of Noctua last year: • The Forbidden Noctua Interview: Fan E...
Watch our video (also featuring Jakob) about Noctua's pressure scan results and new Noctua NH-D15 G2: • Noctua Finally Did It | NH-D15 G2 Lau...
Find all of our engineering interviews here: • Noctua Finally Did It | NH-D15 G2 Lau...
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TIMESTAMPS
00:00 - Woo Woo Woo
00:59 - An Annoying Fan Noise
01:59 - Beat Frequency Explained
10:30 - Case Panel Design: Slats vs. Holes
14:38 - Spectogram of NF-A14 G2
21:33 - How Do You Fix This Noise?
22:15 - Example Videos of Beat Frequency
26:35 - Schwebung
27:57 - Live Demo
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