what is the unit of amplitude when 'cry signal' is represented in time domain?

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pranjal
pranjal 2015 年 5 月 22 日
回答済み: Image Analyst 2015 年 5 月 22 日
when cry signal(audio signal)is represented in time domain, what is the unit of amplitude(y-axis)? At many places i found diagrams showing amplitude on y-axis but unit is not mentioned. is it in dB? if yes what is the conversion of it?

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Image Analyst
Image Analyst 2015 年 5 月 22 日
Depends on what's being plotted. If it's the electrical signal out of a microphone or into speakers, I guess you could say it's volts. Some sound meters measure in decibels. You have to know what's being plotted.

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