floofloof@lemmy.ca to Technology@lemmy.worldEnglish · 9 个月前Students’ Leaf Blower Suppressor To Hit Retailhackaday.comexternal-linkmessage-square134fedilinkarrow-up1485arrow-down116
arrow-up1469arrow-down1external-linkStudents’ Leaf Blower Suppressor To Hit Retailhackaday.comfloofloof@lemmy.ca to Technology@lemmy.worldEnglish · 9 个月前message-square134fedilink
minus-squarewewbull@feddit.uklinkfedilinkEnglisharrow-up4arrow-down9·9 个月前No. It means the sound energy is dropped by half. Our audio perception is also logarithmic however. It’s why we use db.
minus-squaretty5@lemmy.worldlinkfedilinkEnglisharrow-up11arrow-down1·9 个月前Almost. a 10db change is a 10x difference in power and roughly 2x difference in perceived loudness
minus-squareSchmidtGenetics@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down3·9 个月前Except if you read the information its only actually a 2 db decrease…
No. It means the sound energy is dropped by half. Our audio perception is also logarithmic however. It’s why we use db.
Almost. a 10db change is a 10x difference in power and roughly 2x difference in perceived loudness
Except if you read the information its only actually a 2 db decrease…