FAQ-a002 : Reference level 0dB of "Audio Frequency Analyzer" (AFA) ?

[Answer] In "Audio Frequency Analyzer"(AFA), the full scale of sine wave 1 kHz is set to 0 dB. This also applies to "fo-Kannon".

In addition, the reference level of the general sound level meter is specified as sound pressure level 20 uPa (Pa unit is Pascal. minimum audible value) as 0 dB, which is different from the dB value measured by AFA.

Applicable app : "Audio Frequency Analyzer", "fo-Kannon"

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