Can the bandpower function coupled with power spectral density, psd in MATLAB be converted to dB by finding the 10log of the bandpower?

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Kwaku Owusu 2021 年 9 月 17 日

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HI everyone,

Please I want to determine the a particular frequency intensity of an acoustic signal in dB using the bandpower function coupled with power spectral density, psd (p = bandpower(pxx,f,freqrange,'psd'). What I have done is to determine the power in a frequency band (let say 3000-3001 Hz) and find the 10*log10 of that power. I would like to know if this could represent the frequency intensity in dB?

Thank you in advance.

Kwaku

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Can the bandpower function coupled with power spectral density, psd in MATLAB be converted to dB by finding the 10log of the bandpower?

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Can the bandpower function coupled with power spectral density, psd in MATLAB be converted to dB by finding the 10log of the bandpower?

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