In SX Microcontrollers, SX/B Compiler and SX-Key Tool, George Herzog wrote:

Hi,
I used an audio oscope software through my computer sound card to catch IR transmissions for decoding. That may be helpful as most of the docuemtation on the web is not comprehensive about what each and every key is doing on one's own remote.  Some transmissions are simply one-shot and other seem to retransmit [like the up and down volume]

The point is that the devil is in the details if you really want to fully exploit each and every button.

I have a universal remote that transmits over 100 different formats, but i have mostly stayed with the Sony standards as they are popular on the web for examples.  

My own feeling is that for indoor, single room remote control - there is nothing better than IR.  The SX can easily do it all. But building a complete database for all the keys on your remote is a tedious and lengthy project. Even Parallax's example only use a few of the keys and ignores the rest.

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