[X3D-Public] MIDI node was X3D for Web Authors Examples Archive, plus audio test scene of different sound formats

[doug sanden]

>
> Someone built one of those in the VRML days.
>
> len

The one on this page? 
http://www.3dversion.com/vrmlWorlds.html.0.html 
it seems to use .wav for sound, one .wav file per tone.

>
>>>> We still largely think of MIDI as something related to music because it
>>>> proved so useful. But MIDI is so good at synchronizing events
>>>> across complex
>>>> software applications and hardware devices, that I believe we have
>>>> only seen
>>>> the beginning. When it comes to true 3D virtual life and augmented reality,
>>>> I simply cannot imagine these things very far into the future
>>>> without proper
>>>> synchronization standards.
>>>>
>>>> I recommend "MIDI Power!" second edition (Thomson 2006) by Robert Guerin
>>>> which include the MIDI 1.0 specification and much details. There
>>>> is possibly
>>>> more recent work (re. HD-MIDI) but the above is an excellent primer.
>>>>
>>>> Lauren
>>>> 3DNetProductions.com
>>>
>>> Q. could/should there be a special MIDI node? If so what would it
>>> look like / what kind of events would it produce / how would we use
>>> it?
>>>
>>> Hypotheses
>>> H0: there would be 52 boolean eventOuts representing different
>>> piano keys, and a url for the MIDI file.
>>> H1: 104 time eventOuts, 2 for each key representing pressed/released time
>>>
>> http://en.wikipedia.org/wiki/MIDI
>> H2: just url, play and a new fieldtype MIDI for routing MIDI
>> commands (10bits or use Int32). Then an abstract X3DInstrument node
>> type, with a MIDI input field.

H3: MIDI could be a separate browser, play sounds, and communicate through SAI to an X3D browser using conventional events for animation.