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Audio editing software

Audio editing software is any software or computer program which allows editing and generating audio data.[1] Audio editing software can be implemented completely or partly as a library, as a computer application, as a web application, or as a loadable kernel module. Wave editors are digital audio editors. There are many sources of software available to perform this function. Most can edit music, apply effects and filters, and adjust stereo channels.

A digital audio workstation (DAW) is software-based and typically comprises multiple software suite components, all accessible through a unified graphical user interface. DAWs are used for recording or producing music, sound effects and more.[2]

The ability to import and export various for editing.

audio file formats

Record audio from one or more and store recordings in the computer's memory as digital audio.

inputs

Edit the start time, stop time, and duration of any sound on the audio timeline.

into or out of a clip (e.g. an S-fade out during applause after a performance), or between clips (e.g. crossfading between takes).

Fade

Mix multiple sound sources/tracks, combine them at various volume levels and pan from channel to channel to one or more output tracks

Apply simple or advanced effects or , including amplification, normalization, limiting, panning, compression, expansion, flanging, reverb, audio noise reduction, and equalization to change the audio.

filters

Playback sound (often after being mixed) that can be sent to one or more outputs, such as speakers, additional processors, or a recording medium

Conversion between different , or between different sound quality levels.

audio file formats

Audio editing software typically offer the following features:


Typically these tasks can be performed in a manner that is non-linear. Audio editors may process the audio data non-destructively in real-time, or destructively as an "off-line" process, or a hybrid with some real-time effects and some offline effects.

Plug-ins[edit]

Audio plug-ins are small software programs that can be "plugged in" to use inside the main workstation. Plug-ins are used in DAWs to allow more capabilities when it comes to audio editing.[3] There are several different types of plug-ins. For example, stock plug-ins are the plug-ins that come already installed with a DAW, and Virtual Studio Technology (VST) plug-ins. Invented by Steinberg, VST plug-ins allow producers to apply simple or advanced effects such as filters, limiting, compression, reverb, flanging, panning, noise reduction, and equalizers.[3]

MIDI vs. audio[edit]

MIDI (pronounced "middy") and audio are both compressed digital formats that are used within a Digital Audio Workspace (DAW). MIDI stands for Musical Instrument Digital Interface. MIDI is used with plug-ins that allow the user to control the notes of various plug-in instruments. MIDI is universally accepted and if one plug-in or synthesizer is used using MIDI, then it can be modified with another synthesizer.[4] The filename extension of MIDI format is .MIDI or .MID.[4] Unlike MIDI, Digital audio contains a recording of sound. Audio files are a lot larger than MIDI files, and while MIDI is smaller, MIDI can have variations from the original sounds.

List of DAWs[edit]

See Digital audio workstation § Notable commercial examples and Comparison of digital audio editors

In graphical editors, every change to the audio is usually visible immediately as the visible waveform is updated to match the audio data.

The number of effects that may be applied is virtually unlimited (though may be limited by disk space available for "undo" data).

Editing is usually precise down to exact intervals.

sample

Effects may be applied to a precisely specified selected region.

Mixing down or exporting the edited audio is usually relatively quick as little additional processing is required.

Audio signal processing

Comparison of digital audio editors

Comparison of free software for audio

List of music software

Music sequencer

Software effect processor

Software synthesizer