+"4db" represents a difference of four [Decibels](/wiki/Decibel), a logarithmic unit used to express [Ratio](/wiki/Ratio). This subtle yet significant change often quantifies alterations in [Audio] levels, [Signal] strength, or other measured phenomena, impacting perception and performance.
+## See also
+- [Gain](/wiki/Gain)
+- [Attenuation](/wiki/Attenuation)
+- [Signal](/wiki/Signal)
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