attenuation   (Sound)

The attenuation has 2 Senses.

• attenuation, fading
• 減衰
• weakening in force or intensity; "attenuation in the volume of the sound"
• 力や強度が弱まること

• attenuation
• the property of something that has been weakened or reduced in thickness or density
• 密度や濃度が薄くなったり、低くなったりしたものの特性