The computer system functions under the direction of standard operating software and video editing software which provide the user with an interface for controlling both playback and clip editing of video information from the video source. Upon initialization of the editing system, the user is presented with at least a video window for displaying the video information, a control window for regulating playback of the video information, and a clip list window having a number of rows of edit windows organized under begin, end, and clip columns. The user controls playback of video from the video source within the video window through manipulation of standard playback direction and speed indicators. We have some great software for do it:

Final Cut Pro is a series of non-linear video editing software programs. The software allows users to log and transfer video onto a hard drive, where it can be edited, processed, and output to a wide variety of formats. It supports a number of simultaneously composited video tracks; unlimited audio tracks; multi-camera editing for combining video from multiple camera sources; as well as standard ripple, roll, slip, slide, scrub, razor blade and time remapping edit functions.
Adobe Premiere Pro is a timeline-based video editing software application. It is part of the Adobe Creative Cloud, which includes video editing, graphic design, and web development programs. Premiere Pro supports high resolution video editing at up to 10,240 × 8,192 resolution, at up to 32-bits per channel color, in both RGB and YUV. Audio sample-level editing, VST audio plug-in support, and 5.1 surround sound mixing are available.
GarageBand is a software application for OS X and iOS that allows users to create music or podcasts. GarageBand is developed and sold by Apple Inc. for OS X. Its music and podcast creation system enables users to create multiple tracks with pre-made MIDI keyboards, pre-made loops, an array of various instrumental effects, and voice recordings. GarageBand supports many sound formats, though notably not MP3 and those that are at 8-bits or lower.