DIN Q6 Meets DIN Q10-the Need for Modern Internal Gear Production

摘要

Challenge-Design Space and NVH A meaningful discussion about noise is quite difficult because the impression of "noise" is quite subjective. Everybody has a lifetime experience with sound/noise and sees themselves as an expert. I carried out such a test with my family and the results can be seen in Figure 1. The exterior noise of an airplane makes just my son "happy," whereas exterior and interior engine V8 noise makes me happy. The only consensus is - "silence is golden."