Webphon / ( fɒn) / noun a unit of loudness that measures the intensity of a sound by the number of decibels it is above a reference tone having a frequency of 1000 hertz and a root-mean-square sound pressure of 20 × 10 –6 pascal Word Origin for phon C20: via German from Greek phōnē sound, voice British Dictionary definitions for phon (2 of 2) phon. WebDB Phone Specializes in Commercial Business Phone System Sales, Installation & Repair LEARN MORE. Welcome to dbPHONE! We are an Authorized Avaya Business Partner in …
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WebThe decibel A filter is widely used. dB (A) roughly corresponds to the inverse of the 40 dB (at 1 kHz) equal-loudness curve for the human ear. With the dB (A) filter the sound level meter is less sensitive to very high and very low … WebApr 26, 2012 · The chart goes from +30dB to -30dB, but keep in mind that -30dB means 1,000 times quieter (and +30dB is 1,000 times louder). An ideal speaker would produce a flat line at 0, any deviations above or... WebAlesco Phone ID Database - Identity Graph Data with over 598 Million Phone Number, covers 94% of the US population - available for licensing! by Alesco Data. name and includes landline, mobile phone number, VoIP, private and business phone numbers — … norida beach bungalow