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2. Say Goodbye to Grimy Dishes With the Best Cheap Dishwashers - AOL

   www.aol.com/lifestyle/goodbye-grimy-dishes-best...

   There are even smart dishwashers, ultra-quiet options, ... Noise is measured in decibels, or dBA, and a dishwasher’s noise level is almost always included in the specs on a retailer’s website ...

3. A-weighting - Wikipedia

   en.wikipedia.org/wiki/A-weighting

   A graph of the A-, B-, C- and D-weightings across the frequency range 10 Hz – 20 kHz Video illustrating A-weighting by analyzing a sine sweep (contains audio). A-weighting is the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level.

4. Absolute threshold of hearing - Wikipedia

   en.wikipedia.org/wiki/Absolute_threshold_of_hearing

   Absolute threshold of hearing. The absolute threshold of hearing ( ATH ), also known as the absolute hearing threshold or auditory threshold, is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the ...

5. Decibel - Wikipedia

   en.wikipedia.org/wiki/Decibel

   The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel ( B ). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 10 1/10 (approximately 1.26) or root-power ratio of 10 1/20 (approximately 1.12 ).

6. Sound power - Wikipedia

   en.wikipedia.org/wiki/Sound_power

   TL. v. t. e. Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time. [1] It is defined [2] as "through a surface, the product of the sound pressure, and the component of the particle velocity, at a point on the surface in the direction normal to the surface, integrated over ...

7. The 7 Best Portable Dishwashers of 2023 - AOL

   www.aol.com/lifestyle/7-best-portable...

   With a solid 50dB noise level, this is about as quiet as it gets when it comes to portable dishwashers. That said, its virtually noiseless operation is one of just many features that makes this ...