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signal processing - How can I calculate audio dB level ...
https://stackoverflow.com/questions/2445756/how-can-i-calculate-audio-db-level#:~:text=dB%20%3D%2020%20%2A%20log10%20%28amplitude%29%20The%20amplitude,the%20amplitude%20can%20go%20as%20high%20as%2032767.
Decibels (dB) and Amplitude « The blog at the bottom of ...
https://blog.demofox.org/2015/04/14/decibels-db-and-amplitude/
1. dB = 20 * log10(amplitude) To convert from dB to amplitude, the formula is: 1. amplitude = 10^ (db/20) Note that when converting audio samples to dB, you want to take the absolute value of the audio sample, since sign doesn’t matter for loudness. -1 and +1 have the same loudness (0dB).
ESP - Frequency, Amplitude and dB - sound-au.com
https://www.sound-au.com/articles/fadb.htm
Sound intensity (or amplitude) is measured in decibels (dB). The prefix 'deci' means one tenth. The Bel was invented by engineers of the Bell Telephone Laboratory to quantify the reduction in audio level over a 1,600m (1 mile) length of standard telephone cable, and was originally called the transmission unit or TU. It was renamed in around 1923-4 in honour of the …
dB and Amplitude - UBC Theoretical Physics Web
http://www.theory.physics.ubc.ca/341-current/dB.pdf
(2x2). Thus the relation between dB and amplitude is different from that between intensity and dB. An increase in amplitude by a factor of 10 corresponds to and increase in intensity by a factor of 100, or 20 dB. In figure 2, we have the graph of the relation between Amplitude and dB 4
Amplitude and Loudness – All About Acoustics
https://allaboutacoustics.com/acoustic-fundamentals/amplitude-and-loudness/
The basic unit that describes the amplitude or volume of sound is the decibel or dB. A decibel is one-tenth of a bel, a measurement of power in telephony, named after Alexander Graham Bell. Since the ears detect differences in the amplitude of sound, the decibel is defined as the ratio of two sound pressures on a logarithmic scale.
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