A-weighted decibel (dBA or dB(A)) is an expression of the relative loudness ofsoundsas perceived by the human ear. A-weighting gives more value to frequencies in the middle of human hearing and less value to fr
The difference in sound pressure level between loud sounds is more noticeable and might be half a decibel. Decibels: Not Just for Sound Intensity Level Technically, the units that capture the human perception of a broad range of sounds are A-weighted decibels (dBA). There are other decibel ...