![]() What we aim with this short discussion is to have a basic understanding about decibels in music and audio production. However often they are represented as dBV and dBM, in which the suffixes are absolute units of power, like Volt and Milliwatt. ![]() Here you would have observed that these values do not have a suffix other than the dB. Read: Guide to Condenser Microphones for Home Recording It was mentioned that the attenuator pads are used to reduce distortion in loud sources. When discussing about condenser microphones, we did discuss about -10 dB, -20 dB pads or attenuator pads. You would seldom find audio equipment manufacturers using the Bel as a numeric representation. âDeciâ obviously implies that the decibel is 1/10th of a Bel, I.e, 6 dB is actually 60 Bels. This was because soon after the invention of the telephone, it was discovered that different types of cables give different results. This was used to calculate signal losses in early telephone lines. S1 and S2 obviously are the intensity of two sound sources.Äecibel got its name from Alexander Graham Bell, the inventor of the telephone. An arithmetic comparison of the power of a sound signal to a level represented on a logarithmic scale.Ä¡0log 10 ( S 1/ But many of you would have not necessarily understood how it is calculated or expressed. Probably a good percentage of readers would have guessed what it conveys as they have seen it before. You would have come across this numerical unit on countless occasions in various articles in Loopazon.
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