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0μˆœμœ„_NVH @UCXuU1Y8ql8_6RfQfEoGggWQ@youtube.com

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μ†ŒμŒμ§„λ™κΈ°μˆ μ˜ μ „λ°˜μ μΈ 이해와 μ €κ°κΈ°μˆ 


01:15
μžλ™μ°¨μ†ŒμŒμ§„λ™ λ¬Έμ œμƒλ‹΄
08:52
μ£Όμ°¨ν–ˆλŠ”λ° λ‘λ“€κΈ°λŠ” μ†Œλ¦¬κ°€? (Cool-Down Noise)
09:44
μŒμ••λ ˆλ²¨(dB)의 ±가감산방법
12:23
μ μŒμ› & μ„ μŒμ›(point & line source)
10:28
μ—­μ œκ³±μ˜ 법칙(inverse square law)
07:48
sone을 κ΅¬ν•˜λŠ” 방법
07:58
λΌμš°λ“œλ‹ˆμŠ€ sone
09:28
μ‹œκ°„λ³΄μ •(Time Weighting)
08:54
λΉ„ν–‰κΈ°μ†ŒμŒ 평가법 Lden
14:19
μ²­κ°λ³΄μ •λ ˆλ²¨ dB(A,C,D)
10:11
등청감곑선
06:07
ν”Όμ•„λ…ΈμŒ 1/12μ˜₯νƒ€λΈŒλ°΄λ“œ
06:28
음의 3μš”μ†Œ
10:04
dBλŠ” μ–΄λ–»κ²Œ λ§Œλ“€μ–΄μ‘Œμ§€?
07:31
μΏ¨λ‹€μš΄λ…Έμ΄μ¦ˆ_cool down noise
09:54
λΉ„νŠΈ_beat
22:16
쉐딩 λ³Όν…μŠ€ ν”„λ¦¬ν€€μ‹œ_shedding vortex frequency
20:16
μžλ™μ°¨μœˆλ“œλ…Έμ΄μ¦ˆ_wind noise
03:26
ν”„λž«μŠ€νΏ_flat spot
18:42
κΈ°μ–΄ 화인&λž˜ν‹€ λ…Έμ΄μ¦ˆ_gear whine & rattle noise
07:36
λΈŒλ ˆμ΄ν¬μ €λ”_brake Judder
14:05
λ‘œλ“œλ…Έμ΄μ¦ˆ_road noise
10:07
쉬미 & 쉐이크 (shimmy & shake)
14:21
λΆ€λ°λ…Έμ΄μ¦ˆ
10:59
μˆ˜κ²©ν˜„μƒ_Water Hammering
10:37
베버 νŽ˜νžˆλ„ˆμ˜ 법칙_ Weber Fechner's Law
11:37
calculation : Loudness(sones) for broad band noise
05:39
λ°±λžλ³‘(white finger disease)
15:51
SIL PSIL AI NC PNC NRN
04:55
TTS & PTS ...PTA? _λ‚œμ²­ ...μ²­λ ₯손싀?
11:45
κ·€μ˜ ꡬ쑰와 κΈ°λŠ₯- ear structure & function
15:52
Room Constant(μ‹€μ •μˆ˜)
20:01
PWL(dB) 츑정계산법 - sound power level(PWL) measurement
25:33
white & pink noise
11:09
μ–‘μ΄νš¨κ³Ό & μ„ ν–‰μŒνš¨κ³Ό_Binaural & Haas effect
14:54
μž”ν–₯, 반ν–₯(메아리), ν”„λ‘œν„°μ—μ½” - reverberation, echo, flutter echo
33:53
λ¨Έν”ŒλŸ¬(muffler)
18:46
음ν–₯μž„ν”Όλ˜μŠ€ & 음의 λ°˜μ‚¬νˆ¬κ³Όκ³„μˆ˜- acoustic impedance & sound reflection and transmission coefficient
21:11
aIr & structure borne noise - κ³΅κΈ°μ „νŒŒμŒ&κ³ μ²΄μ „λ‹¬μŒ
25:26
Order Analysis - μ˜€λ”λΆ„μ„
07:58
νšŒμ „κΈ°κ³„λ₯˜μ˜ 주파수 μ„±λΆ„ 계산?
30:33
μΈ΅κ°„μ†ŒμŒ - μ•„νŒŒνŠΈμ†ŒμŒμ„±λŠ₯
08:08
Percentile level (L10,L30,L90...) - μ†ŒμŒν†΅κ³„λ ˆλ²¨
26:15
Noise Barrier - 방음벽
17:12
Standing Wave Modes in tube - κ΄€λ‚΄ μ •μƒνŒŒ(μ •μž¬νŒŒ) λͺ¨λ“œ
27:14
noise dose(%) & TWA dB(A) -μ†ŒμŒλ…ΈμΆœλŸ‰(%) & 8μ‹œκ°„κ°€μ€‘ν‰κ· μ†ŒμŒλ ˆλ²¨ dB(A)
21:27
μ§€μ§„νŒŒ(seismic wave)
14:19
Leq & SEL(λ“±κ°€μ†ŒμŒλ ˆλ²¨ & μ†ŒμŒν­λ‘œλ ˆλ²¨)
21:24
ν•­κ³΅κΈ°μ†ŒμŒν‰κ°€λ²•_WECPNL & Lden
11:16
inverse square law
20:30
body attachment stiffness
10:21
articulation index(%)
09:49
tonality (tu)
16:49
fluctuation strength(vacil), roughness(asper)
06:35
sharpness (acum)
09:21
loudness (sone)
10:15
types of sound absorbers
06:59
reverberation time (RT60)
13:03
sound absorption coefficient measurement
11:50
helmholtz resonator