. . "distortion"^^ . "110769630"@en-us . . . . "111511765"^^ . . "11511765-n"^^ . . "a change (usually undesired) in the waveform of an acoustic or analog electrical signal; the difference between two measurements of a signal (as between the input and output signal); \"heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion\""@en-us . . . "0"^^ . . . "distortion"@en-us . "0"^^ . . .