[PD] Morse Code Translator / Decoder

[Jack]

It is a little bit [OT], but here is an installation I co-produced with
Cécile Babiole. It is a chat between two people based on a network
working with water (coding en decoding (extended) Morse) :
http://babiole.net/spip.php?article101
It is now exhibited in Espace Gantner in Bourogne (East in France) :
http://www.espacemultimediagantner.cg90.net/exposition/anarchronisme-machines-a-perturber-le-temps/
++

Jack



Le 15/06/2016 20:03, patrice colet a écrit :
> 
> 
> Le 15/06/2016 à 19:57, Joel Matthys a écrit :
>> Is [list-compare] from an external library? It's not in vanilla.
>>
> I forgot to put this in a subpatch, sorry for that, it's in [list-abs]
> 
> 
>> Joel
>>
>> On 06/15/2016 12:25 PM, patrice colet wrote:
>>>
>>> Hello,
>>>
>>>  I've made such patch to decode termites hammering into morse.
>>>
>>>  It uses the process described by andy, and datastructure for storing
>>> characters, it could also now be done with [text]
>>>
>>> I've made a version where [env] testes if there is sound amplitude or
>>> not,
>>>
>>> and compare with templates stored into datastructure.
>>>
>>>  Attached is that version that should work with mjlib/morse and
>>> latest pd-vanilla.
>>>
>>> Best,
>>>
>>> patco
>>>
>>>
>>> Le 15/06/2016 à 15:34, Andy Farnell a écrit :
>>>> Yes did that once, but I lost it years ago (the 
>>>> patch I mean)
>>>>
>>>> IIRC its not that hard.
>>>>
>>>> Use a [timer] and onset/tone detector,
>>>> and an array that looks up the next state.
>>>> You need a way to navigate a tree - a state machine
>>>> with 26 terminal nodes (36 if you want numbers)
>>>> and there are four symbols to transition states,
>>>> dot, dah, short space and long gap (between letters)
>>>>
>>>> The array is a 4-tree collapsed into a "Turing tape"
>>>> so you use the symbol to select the offset (jump) 
>>>> to the next state (table index) based on the last
>>>> symbol. A long gap always resets the index to 0. 
>>>>
>>>> cheers,
>>>> andy
>>>>
>>>>
>>>> On Tue, Jun 14, 2016 at 11:41:20AM -0400, me.grimm wrote:
>>>>> Hello,
>>>>>
>>>>> Has anyone made a patch/abstraction to "decode" or translate morse code to
>>>>> text? I see text->morse but not the other way around....
>>>>>
>>>>> thanks!
>>>>> m
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