Difference between revisions of "Nyquist Basics: The Audacity Nyquist Prompt"
(add to Category:Digital Audio Technology and remove link to it from related articles as this is only a subsidiary Nyquist related page)
(Move from Category:Digital Audio Technology to Category:Nyquist - probably only Nyquist Audio Programming should be in Category:Digital Audio Technology?)
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Revision as of 07:54, 11 April 2008
|With the Audacity Nyquist Prompt you can test small snippets of Nyquist code you are working on, or run a Nyquist effect in any way you wish (as opposed to how that plug-in works as built into Audacity). On this page the basic usage of the Nyquist Prompt is explained.
The Audacity Nyquist prompt appears in Audacity's "Effect" menu. This menu can be only be activated if an Audacity audio track exists and at least part of it is selected.
Load a Sound File
If you have a mono or stereo sound file available you can import it into Audacity via:
CTRL + SHIFT + Ior the shortcut
If you have no sound files available you can build your own mono or stereo tracks via the Audacity "Generate" menu.
Create a Mono Track
Click. Leave everything as-is, just click "OK", a mono track will appear in the Audacity window:
Create a Stereo Track
1. Create an empty stereo track.
- In Audacity 1.2.x click .
- In Audacity 1.3.x-beta click .
In both cases an empty stereo track will apperar in the Audacity window.
2. Now click. Leave everything as-is, just click "OK", the empty stereo track will get filled with the generated sound.
The Nyquist Prompt
Click CTRL + A on the keyboard. A window like the following will appear:. If the Effect Menu is greyed out because no part of the audio is selected, press
The Nyquist Interpreter
In the "Nyquist Prompt" window, type into the text field a string "hello" with quotes:
If you click "OK", you should get a window displaying the word hello:
Click "OK" in the "hello" window to make it disappear again.
Congratulations, you just have learned how to send text messages to the user.
The Nyquist Debugger
After clicking "OK" in the "hello" window, clickagain, but this time type the word hello without the quotes:
Important: Now click "Debug" instead of "OK".
You should first get a window displaying a "Nyquist did not return audio" or similar message:
After clicking "OK" in the window above, a second window appears, displaying the detailed Nyquist error messages: