 Applications and variants       Doubling echo Doubling echo is produced by adding short delay to a recorded sound.
<meaning-changed>  Applications and variants       Doubling echo Doubling echo is produced by adding short delay to a recorded sound.
 Function and variants "Block diagram of the signal-flow for a typical simple delay-line," tied to an electric guitar, for example. Dotted line indicates variable component. Delay effects add a time delay to an audio signal. When the wet (processed) audio is blended with the dry (unprocessed) audio, it creates an echo-like effect, whereby the original audio is heard followed by the delayed audio. Doubling echo Doubling echo is produced by adding short delay to a recorded sound.