    Analog delay Echoplex EP-2 Digital delay   systems function by sampling the input signal through an analog-to-digital converter, after which the signal is passed through a digital signal processor that records it into a storage buffer, and then plays back the stored audio based on parameters set by the user.
<meaning-changed>     Analog delay Echoplex EP-2 Digital delay   systems function by sampling the input signal through an analog-to-digital converter, after which the signal is passed through a digital signal processor that records it into a storage buffer, and then plays back the stored audio based on parameters set by the user.
 A landmark device was the EchoSonic made by American Ray Butts. It is a portable guitar amplifier with a built-in tape echo, which became used widely in country music (Chet Atkins) and especially in rock and roll (Scotty Moore). Analog delay Echoplex EP-2 Digital delay systems function by sampling the input signal through an analog-to-digital converter, after which the signal is passed through a digital signal processor that records it into a storage buffer, and then plays back the stored audio based on parameters set by the user.