: Only about 0.3% to 1.0% of a rocket's mechanical energy is converted into sound.
: A distinct characteristic of rocket sound is the "crackle"—sharp, audible pressure spikes caused by shock waves in the exhaust, not by recording equipment distortion. zvuk poleta rakety skachat
: Rocket noise is broadband , but peak sound power often occurs at low frequencies, typically between 100 and 150 Hz . : Only about 0