# Tracks

### From Audacity Manual

Anything that is added to the Project Window will be placed inside a track container, underneath the Timeline of the project. There are four different types of tracks: Audio Tracks, Label Tracks, Time Tracks and Note Tracks.

## Audio tracks

Audio Tracks contain digitally sampled sounds. They presents from left to right:

- a Track Control Panel with Track Drop-Down Menu for changing View Mode and audio properties of that individual track
- a Vertical Scale with units (except in the Pitch view)
- a visual representation of the audio (by default this is the Waveform view as in the images below).

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## Label tracks

A Label Track is an additional track that can be created in your project; it is used in conjunction with audio tracks but contains no audio itself. It can be used to mark specific points or ranges in the project with point labels or range labels.

## Time Tracks

A Time Track is used in conjunction with one or more audio tracks to progressively increase or decrease playback speed (and pitch) over the length of the audio. Speed changes are controlled by manipulating the blue "time warp" line with the Envelope Tool used for making gradual volume changes. If the blue line is dragged above the horizontal, the audio plays faster; if dragged below, it plays slower.

## Note Tracks

Note Tracks display data from MIDI files - these can be imported with the File > Import MIDI... command. Note Tracks cannot currently be played, but can be cut-and-paste edited, then exported using the File > Export MIDI command.

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