"Scratching" a record can be replicated using a digital CDJ, a device to play CDs and manipulate their playback with a variety of effects. This console can is an inexpensive alternate to a record turntable, and doesn't actually scratch the CD at all; instead it creates a sound effect at the press of a button.
Use a computer to create scratch effects with vinyl emulation software. Each program features a list of icons tabs can be selected real time to create the effect during performance. With a wide variety of titles available, these softwares allow for a DJ to manipulate MP3s or other sound files while using a mouse or touchscreen to control the effects.
Choose digital effects from a variety of online databases that compile samples from independent producers. These producers are experts at simulating sounds from an array of musicians, styles, and musical genres. Extensive lists are available on scratch effect websites and other open source databases that categorize record scratch effects.
Preview each effect by clicking on the play button of the databases you have chosen corresponding to each sample. This allows you to find an ideal sample for your particular style of music. Download a record scratch effect by clicking on the file name. Once it is downloaded to your computer, simply select it on your music production software and place it in your prerecorded music.