{"id":314891,"date":"2026-05-15T17:42:44","date_gmt":"2026-05-15T10:42:44","guid":{"rendered":"https:\/\/imse.kmitl.ac.th\/th\/314891\/"},"modified":"2026-05-15T17:42:44","modified_gmt":"2026-05-15T10:42:44","slug":"%e0%b8%97%e0%b8%b3%e0%b9%84%e0%b8%a1%e0%b9%80%e0%b8%aa%e0%b8%b5%e0%b8%a2%e0%b8%87%e0%b9%80%e0%b8%9a%e0%b8%aa-%e0%b9%80%e0%b8%aa%e0%b8%b5%e0%b8%a2%e0%b8%87%e0%b8%95%e0%b9%88%e0%b8%b3%e0%b8%96","status":"publish","type":"post","link":"https:\/\/imse.kmitl.ac.th\/ja\/314891\/","title":{"rendered":"\u0e17\u0e33\u0e44\u0e21\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e40\u0e1a\u0e2a (\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e15\u0e48\u0e33)\n\u0e16\u0e36\u0e07\u0e17\u0e30\u0e25\u0e38\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e44\u0e14\u0e49? \ud83d\udd0a\ud83d\udca5\n\n\u0e17\u0e33\u0e44\u0e21\u0e44\u0e14\u0e49\u0e22\u0e34\u0e19\u0e41\u0e15\u0e48 “\u0e15\u0e38\u0e49\u0e21 \u0e15\u0e38\u0e49\u0e21 \u0e15\u0e38\u0e49\u0e21” \u0e08\u0e32\u0e01\u0e2b\u0e49\u0e2d\u0e07\u0e02\u0e49\u0e32\u0e07\u0e46 \u0e17\u0e31\u0e49\u0e07\u0e17\u0e35\u0e48\u0e40\u0e02\u0e32\u0e40\u0e1b\u0e34\u0e14\u0e40\u0e1e\u0e25\u0e07\u0e17\u0e31\u0e49\u0e07\u0e40\u0e1e\u0e25\u0e07 \ud83e\udd14\n\n\u0e19\u0e31\u0e48\u0e19\u0e01\u0e47\u0e40\u0e1e\u0e23\u0e32\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e02\u0e2d\u0e07 “\u0e04\u0e27"},"content":{"rendered":"

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\n\u0e16\u0e36\u0e07\u0e17\u0e30\u0e25\u0e38\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e44\u0e14\u0e49? \ud83d\udd0a\ud83d\udca5<\/p>\n

\u0e17\u0e33\u0e44\u0e21\u0e44\u0e14\u0e49\u0e22\u0e34\u0e19\u0e41\u0e15\u0e48 “\u0e15\u0e38\u0e49\u0e21 \u0e15\u0e38\u0e49\u0e21 \u0e15\u0e38\u0e49\u0e21” \u0e08\u0e32\u0e01\u0e2b\u0e49\u0e2d\u0e07\u0e02\u0e49\u0e32\u0e07\u0e46 \u0e17\u0e31\u0e49\u0e07\u0e17\u0e35\u0e48\u0e40\u0e02\u0e32\u0e40\u0e1b\u0e34\u0e14\u0e40\u0e1e\u0e25\u0e07\u0e17\u0e31\u0e49\u0e07\u0e40\u0e1e\u0e25\u0e07 \ud83e\udd14<\/p>\n

\u0e19\u0e31\u0e48\u0e19\u0e01\u0e47\u0e40\u0e1e\u0e23\u0e32\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e02\u0e2d\u0e07 “\u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e04\u0e25\u0e37\u0e48\u0e19”
\n\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e40\u0e1a\u0e2a (~75 Hz) \u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e04\u0e25\u0e37\u0e48\u0e19\u0e1b\u0e23\u0e30\u0e21\u0e32\u0e13 4.5 \u0e40\u0e21\u0e15\u0e23 \u0e0b\u0e36\u0e48\u0e07\u0e43\u0e2b\u0e0d\u0e48\u0e01\u0e27\u0e48\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e02\u0e2d\u0e07\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e21\u0e32\u0e01\u0e40\u0e25\u0e22\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e1c\u0e48\u0e32\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e01\u0e35\u0e14\u0e02\u0e27\u0e32\u0e07\u0e44\u0e14\u0e49\u0e14\u0e49\u0e27\u0e22\u0e1b\u0e23\u0e32\u0e01\u0e0f\u0e01\u0e32\u0e23\u0e13\u0e4c\u0e17\u0e35\u0e48\u0e40\u0e23\u0e35\u0e22\u0e01\u0e27\u0e48\u0e32 Diffraction \ud83c\udf0a
\n\u0e2a\u0e48\u0e27\u0e19\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e2a\u0e39\u0e07\u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e22\u0e32\u0e27\u0e04\u0e25\u0e37\u0e48\u0e19\u0e2a\u0e31\u0e49\u0e19\u0e01\u0e27\u0e48\u0e32\u0e21\u0e32\u0e01 \u0e42\u0e14\u0e19\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e14\u0e39\u0e14\u0e0b\u0e31\u0e1a\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e44\u0e1b\u0e01\u0e48\u0e2d\u0e19\u0e08\u0e30\u0e17\u0e30\u0e25\u0e38\u0e1c\u0e48\u0e32\u0e19\u0e44\u0e14\u0e49 \ud83e\uddf1
\n\u0e2d\u0e35\u0e01\u0e17\u0e31\u0e49\u0e07\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e40\u0e1a\u0e2a\u0e22\u0e31\u0e07\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e41\u0e25\u0e30\u0e1e\u0e37\u0e49\u0e19\u0e2a\u0e31\u0e48\u0e19\u0e2a\u0e30\u0e40\u0e17\u0e37\u0e2d\u0e19\u0e15\u0e32\u0e21\u0e44\u0e14\u0e49\u0e07\u0e48\u0e32\u0e22\u0e01\u0e27\u0e48\u0e32\u0e40\u0e1e\u0e23\u0e32\u0e30\u0e04\u0e27\u0e32\u0e21\u0e16\u0e35\u0e48\u0e43\u0e01\u0e25\u0e49\u0e40\u0e04\u0e35\u0e22\u0e07\u0e01\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e16\u0e35\u0e48\u0e18\u0e23\u0e23\u0e21\u0e0a\u0e32\u0e15\u0e34\u0e02\u0e2d\u0e07\u0e27\u0e31\u0e2a\u0e14\u0e38\u0e01\u0e48\u0e2d\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e2d\u0e35\u0e01\u0e14\u0e49\u0e27\u0e22<\/p>\n

\u0e41\u0e25\u0e30\u0e19\u0e35\u0e48\u0e04\u0e37\u0e2d\u0e2d\u0e35\u0e01\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e2a\u0e34\u0e48\u0e07\u0e17\u0e35\u0e48\u0e27\u0e34\u0e28\u0e27\u0e01\u0e23\u0e14\u0e49\u0e32\u0e19 Acoustics \u0e15\u0e49\u0e2d\u0e07\u0e41\u0e01\u0e49\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e2b\u0e49\u0e2d\u0e07\u0e22\u0e31\u0e07\u0e44\u0e07\u0e43\u0e2b\u0e49\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e2d\u0e22\u0e39\u0e48\u0e43\u0e19\u0e17\u0e35\u0e48\u0e17\u0e35\u0e48\u0e21\u0e31\u0e19\u0e04\u0e27\u0e23\u0e2d\u0e22\u0e39\u0e48 \ud83c\udfaf<\/p>\n

\u0e41\u0e2b\u0e25\u0e48\u0e07\u0e2d\u0e49\u0e32\u0e07\u0e2d\u0e34\u0e07
\n– gentlehush.com\/bass-travels-through-walls\/
\n– physicsforums.com\/threads\/why-do-low-frequencies-travel-through-walls.86578\/<\/p>\n

#IMSE #KMITL #Acoustics #SoundEngineering #DEK69 #TCAS69 #\u0e1e\u0e23\u0e30\u0e08\u0e2d\u0e21\u0e40\u0e01\u0e25\u0e49\u0e32\u0e25\u0e32\u0e14\u0e01\u0e23\u0e30\u0e1a\u0e31\u0e07
\n
\n<\/p>","protected":false},"excerpt":{"rendered":"

\u0e17\u0e33\u0e44\u0e21\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e40\u0e1a\u0e2a (\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e15\u0e48\u0e33) \u0e16\u0e36\u0e07\u0e17\u0e30\u0e25\u0e38\u0e01\u0e33\u0e41\u0e1e\u0e07\u0e44\u0e14\u0e49? \ud83d\udd0a\ud83d\udca5 \u0e17\u0e33\u0e44\u0e21\u0e44\u0e14\u0e49\u0e22\u0e34\u0e19\u0e41\u0e15\u0e48 “\u0e15\u0e38\u0e49\u0e21 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