Uploaded February 2011 | Updated September 2026, 1 day ago
Tutorials for the Corona SDK as authored by Dr. Rafael Hernandez. In this video, using timers for invoking repeated methods and functions.
Tutorials for the Corona SDK as authored by Dr. Rafael Hernandez. In this video, using timers for invoking repeated methods and functions.



![Pro Tools LE - 04 Mixing: 21 Simple Volume and Pan Automation
Solo safe a track; Volume and pan automation [Parental Advisory: The session used in this video may contain explicit and offensive lyrics] Pro Tools LE - 04 Mixing: 21 Simple Volume and Pan Automation](https://i.ytimg.com/vi/lLLMD8onu60/mqdefault.jpg)

![PURE DATA: 31 Writing and Recording Audio
Video tutorials on Pure Data (Pd) with Dr. Rafael Hernandez. In this lesson, writing audio to disk using [writesf~] and to memory using [tabwrite~]. PURE DATA: 31 Writing and Recording Audio](https://i.ytimg.com/vi/oXE7BvUd8W0/mqdefault.jpg)
![PURE DATA: 08 Random Numbers
Video tutorials on Pure Data (Pd) with Dr. Rafael Hernandez. In this lesson, various random number objects in PD and an example of probability using [moses]. PURE DATA: 08 Random Numbers](https://i.ytimg.com/vi/ojO6woTngG8/mqdefault.jpg)



![PURE DATA: 29 Applying Gain & Threshold to Video in GEM
Video tutorials on Pure Data (Pd) with Dr. Rafael Hernandez. In this lesson, adjusting gain and threshold of a [pix_film] object. PURE DATA: 29 Applying Gain & Threshold to Video in GEM](https://i.ytimg.com/vi/q72IUX6uZRI/mqdefault.jpg)