Audio File Player
The Audio File Player allows for robust and precise control of audio file playback. Specific regions of audio files can be selected, and file pitch and speed may be modified.
1. Open Audio File - Pressing this button brings up the Audio File Loader, where you can select an audio file from your project, or choose a file from any location on your computer.
2. Signal Outputs - Select up to two locations to send the audio signal out.
3. Volume - The volume dial scales the output signal of the audio file.
4. Play / Stop toggle - Turn on / off the playback of the audio file. Playback will begin from the selected start point.
5. Pause / Resume toggle - While the audio file is playing, the pause button will stop playback where it is, while pressing resume will start playback again from where the file left off.
6. Loop On / Off toggle - when the Loop parameter is toggled on, the audio file will loop back to the beginning selection and begin again when the audio file reaches the end of the selection.
7. Pitch / Time Lock Toggle - When the pitch / time toggle is set to unlock, the speed of the file can be controlled separately from the pitch of the file. When toggled on, change of speed also changes pitch.
8. Speed - Use this to control playback speed of the audio file. This number designates the speed as a multiple of the original speed. Normal playback speed is 1.0, while anything above 1.0 will be faster. Any value between 1.0 and 0.0 will slow down playback.
Use a negative number to playback an audio file in reverse. -1.0 represents reverse play at normal speed, while any number lower than that (like -2.0,) will speed things up. Any value between -1.0 and 0.0 will slow down playback, but continue in reverse.
9. Pitch Shift - this parameter is only active if the Pitch / Time toggle has been set to ‘unlocked’. When active, this parameter allows you to shift the pitch of an audio file in values of semitones. A value of 1 represents 1 semitone, but demical places may be used to specify transposition to the cent.
There are 100 cents in a semitone, so to shift a pitch up by one cent, set the pitch shift value to 0.01. If you wanted a pitch to be a quarter-tone sharp, you’d want to shift up 50 cents, or a value of 0.5 semitones. To be a quarter-tone flat, you’d want to shift the pitch DOWN 50 cents, or -0.5 semitones.
10. Start Loop / Selection - Select the starting location for playback and looping of the audio file. This can be set manually by putting a value in milliseconds into the number box, or you can click and drag to the location in the Audio Window. 11. End Loop / Selection - Select the end location for playback and looping of the audio file. This can be set manually by putting a value in milliseconds into the number box, or you can click and drag to the location in the Audio Window.
12. Name Buffer - This feature is deprecated. Designed to be used with the Buffer Board (also deprecated,) this allows you to point to a buffer on a Buffer Board by referring to the buffer’s name. This allows you to quickly swap between different audio files without having to wait for a file to reload.
- The Audio Window - While this feature doesn’t have a particular parameter number, this displays the contents of the audio file, and allows you to click and drag over a selection to intuitively set values for the Start and End Loop parameters. It also displays the name of the currently loaded audio file.
The Big View
Pressing the “Big View” button ( located to the right of the Audio Window,) opens up an ancillary window called the Big View Window. This window contains all of the same controls as the main module window, but in a larger space. This makes it easier to view the contents of large audio files and makes it possible to be more precise when selecting a location in the Audio Window.