The Audio Level slider controls the intensity of the sound in gain or attenuation, relative to the digital audio data. The unit of measurement is decibels.

To adjust the audio level use the volume slider, as shown in Figure 14-2.

Figure 14-2. Music Player Volume Slider

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Note: The default volume on program startup is 0dB, which means output audio volume is not altered from the original file.

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The audio balance slider controls the balance of the audio between the left and right stereo channels.

To adjust the audio balance use the balance slider, as shown in Figure 14-3.

Figure 14-3. Music Player Balance Slider

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Note: The default balance on program startup is centered, which means output balance is 50% to the left and 50% to the right.

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The shuffle and repeat modes define what happens when the end of an audio file is reached.

The shuffle button, as shown in Figure 14-4, toggles shuffle mode. This mode causes the program to jump to a random track when the last one has completed playback. The repeat button, as shown in Figure 14-4, toggles repeat mode. This mode causes the program to revert to the first track when the entire playlist has been played back.

Figure 14-4. Music Player Shuffle and Repeat Buttons

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Note: Shuffle mode always has preference over repeat mode in the sense that shuffle mode will always cause a random track to be played.

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The Main pulldown menu includes the following selections:

The Preferences Menu includes the following selections:

The playlist is a powerful tool that allows you to load multiple tracks in one session, and to browse through and play them in a sequential or random fashion.

To browse the playlist, use the playlist slider, as shown in Figure 14-5.

Figure 14-5. Music Player Playlist Slider

Double-click on the desired track to start playback.

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Note: You may also use the arrow keys on the keyboard to browse tracks.

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The playlist has a number of control buttons that provide enhanced playlist management using pulldown menus. As shown in Figure 14-6 the following menus are available:

Figure 14-6. Music Player Enhanced Feature Buttons

Add Menu

The playlist Add menu, as shown in Figure 14-7 provides the following functions:

Open File		Creates a file selection box to allow the selection of one or more audio files.
Open Directory		Creates a file selection box to allow the selection of an entire directory filled with audio files.
Open URL		Creates a file selection box to allow the selection of a URL (http address) that points to an audio file.

Figure 14-7. Music Player Playlist Add Menu

Subtract Menu

The playlist subtract menu, as shown in Figure 14-8, provides the following functions:

Remove All Files		Removes all files from the playlist.
Crop Files		Removes all files from the playlist.
Remove Files		Removes all selected files from the playlist.
Misc Removal		Removes all files from the playlist that no longer exist on the drive.

Figure 14-8. Music Player Playlist Subtract Menu

Select Menu

The playlist select menu, as shown in Figure 14-9, provides the following functions:

Select All		Selects all files in the playlist.
Select None		Deselects all files in the playlist.
Invert Selection		Inverts the current playlist selection.

Figure 14-9. Music Player Playlist Select Menu

Misc Menu

The playlist misc menu, as shown in Figure 14-10, provides the following functions:

Sort List		Pulls up a file information box on the selected file.
File Info		Sorts all audio files alphabetically.

Figure 14-10. Music Player Playlist Misc Menu

Manager Menu

The playlist manager menu, as shown in Figure 14-11, provides the following functions:

Load Playlist		Loads a previously saved playlist.
Save Playlist		Saves the current playlist to disk.
New Playlist		Clears the current playlist.

Figure 14-11. Music Player Playlist Manager Menu