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Audio / VoIP Toolbox
Audio level, gain/loss, dBm0 และ tolerance
Universal Audio Level Converter
dBm · dBu · dBV · Vrms · Vpp
⌄
Input value
Input unit
Vrms
Vpp
dBu
dBV
dBm
Impedance
600 Ω
50 Ω
Custom
Custom impedance (Ω)
dBm0 Reference Helper
dBm0 + transmission level point
⌄
Signal (dBm0)
Relative level (dBr)
Audio Gain / Loss
⌄
Input level
Gain (+) / Loss (−) dB
Level Difference
⌄
Level A
Level B
PASS / FAIL Tolerance
⌄
Nominal
Tolerance ±
Measured