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Audiotikal - Audio Editor and Creator(2)

Software Hub 2022-02-11 0 reviews


2. Audio Tracks


1. About Tracks


A track is like one instrument in your symphony, or one voice in your podcast. You can add more tracks, and all of them will be mixed together to create your final output, but during editing you can manipulate each track independently. If you have an interview recorded with two microphones, each one can go in a separate track. If you have background music, that could go in a third track. You can move the whole track along the Timeline so that it plays at a different point in time in the mix, but until it is split into clips you cannot move individual parts of it around.

2. Stereo Audio Track


The image below shows the separate components of an Audiotikal stereo track: the Track Control Panel with Audio Track Dropdown Menu, the Vertical Scale and the Waveform Display itself, typical of a finally edited recording. As per convention, the upper waveform and vertical scale represent the left channel and the lower waveform and vertical scale represent the right channel. The dark blue part of the waveform displays the tallest peak and the light blue part of the waveform displays the average RMS (Root Mean Square) value of the audio.


In a stereo track, all editing actions on the track are applied identically to both channels, though some effects may treat each channel differently. For exaample, Effect > Amplify... and by default Effect > Normalize... set the peak amplitude of only the loudest channel then apply the same change in amplitude to the other channel, preserving the balance between channels. Normalize has an option to normalize left and right channels independently to the same amplitude if this is required.

3. Single Audio Track (Mono, Left or Right)


A single audio track has the same components as a stereo track with a single waveform and one vertical scale rather than two. This can be easily seen if using "Split Stereo Track" in the Track Dropdown Menu to split the stereo track into two single tracks. The same menu can make single tracks mono, left or right. Each single track can be separately selected and thus edited independently from other tracks.



4. Track Control Panel



 

The Track Control Panel at the left of the audio track has controls and status indicators for this track. Left-clicking other than on a control performs track selection and move as follows.

  • • Clicking the Select button selects all this track's audio, deselecting all other tracks.
    • Holding Shift while clicking the Select button selects all this track's audio, keeping already selected tracks selected.

    • keyboard: use Up or Down to give the track focus, then Enter to select it; hold Shift then use Up or Down to extend selection into another track. Read keyboard selection for more.
    • Click-and-drag moves this track up or down when there are other tracks (keyboard: choose one of the "Move Track" commands in Audio Track Dropdown Menu, opened by Shift + M on the currently focused track ).

Close Button:
 Clicking this button will close the track, removing it from the project.


Audio Track Dropdown Menu:
 Clicking the track name or using Shift + M on the currently focused track opens the Audio Track Dropdown Menu giving options that affect this track only. Newly created tracks are named "Audio Track". Options in the dropdown menu include changing the name or sample rate, how the track is displayed, splitting a stereo track to single left, right or mono tracks and swapping stereo channels.


Mute Button:
 Click to silence this track when playing. Click again to unsilence.


Solo Button:
 Click to play just this track. Click again to release the button. Whenever playing audio, Solo takes precedence over Mute by default - the Mute buttons have no effect whilst any Solo button is down. There are two other options for Solo button behavior in the Tracks Behaviors Preferences. One of these is to remove the Solo button, leaving only a Mute button. The other is more complex suitable for people used to mixing desks, enabling multiple tracks to be "soloed" simultaneously.


Gain Slider:
 Set the gain for this track. Hold down the shift key while dragging to adjust the slider in finer increments. Double-click the slider to bring up a window where you can make precise adjustments or enter a gain value.


Pan Slider:
 To make signal stronger on left or right speaker/earphone. Hold down the shift key while dragging to adjust the slider in finer increments. Double-click the slider to bring up a window where you can make precise adjustments or enter a pan value.


Track Collapse and Select Buttons:
 Click on the black triangle to make the track 'fold up' into a smaller size. Click again, or drag the lower edge of the track to restore the size. Click on the Select Select button to select the whole track.


5. Vertical Scale


  • • The vertical scale displays amplitude when showing the waveform, or frequency when showing the spectrum or pitch.
    • The amplitude scale shown to left is the default linear scale
    • 1.0 being the maximum value of positive signals and -1.0 the maximum of negative signals.

Vertical Scale context menu
Right-click in the Vertical Scale will bring up a dropdown context menu enabling Vertical Zooming and facilitating swapping between Linear Waveform (default) and Waveform dB view.

If the display is changed to Waveform dB, the scale shows dB values for positive signals only
 

6. Waveform colorways


You can optionally change the colorway of the waveforms displayed in your project. The setting is per track and not per project so you can have multiple colorways in the same project as in the image below. Four colorways are available with the color selection made from the dropdown menu in the track's Track Control Panel.


7. Splitting and Joining Tracks



  • Using the Audio Track Dropdown Menu you can:
    • split a stereo track into separate tracks for left and right channels.
    • split a stereo track into two separate mono tracks
    • swap the channels in a stereo track
    • join two mono, left or right tracks into one stereo track.

  • For example, here is a project with two mono tracks:

After selecting "Make Stereo Track" from the Track Dropdown Menu on the upper track we get one stereo track:


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