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Helping Decoding Chinese Remote

 
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braddlac



Joined: 11 Mar 2013
Posts: 2

                    
PostPosted: Tue Mar 12, 2013 5:30 am    Post subject: Helping Decoding Chinese Remote Reply with quote

I'm been reading up on this all day and have made some progress, but this signal seems very difficult for my first try. I mapped the remote with IR Scope and each frame has a lead in and there is a mid stream burst.

The ultimate end game is to convert this to a slingbox .bin file.

If anyone has time can you please take a look at this? Any help is appreciated.

https://www.dropbox.com/s/8m4c82c1m7l68gy/GuangZhou%20Final%20-%20IR20130312170956.ict

http://www.hifi-remote.com/forums/dload.php?action=file&file_id=11775

Thanks!
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mdavej
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Joined: 08 Oct 2003
Posts: 4501

                    
PostPosted: Tue Mar 12, 2013 9:14 am    Post subject: Reply with quote

Please post a picture of or link to remote.
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braddlac



Joined: 11 Mar 2013
Posts: 2

                    
PostPosted: Tue Mar 12, 2013 9:00 pm    Post subject: Reply with quote

here's a photo of the remote

https://www.dropbox.com/s/t7uanv1tlgai5pl/2013-03-13%2009.56.24.jpg

http://www.hifi-remote.com/forums/dload.php?action=file&file_id=11776
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3FG
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Joined: 19 May 2009
Posts: 3367

                    
PostPosted: Wed Mar 13, 2013 12:51 am    Post subject: Reply with quote

I don't think we've seen this IR protocol before, or at least I don't know how to find it. The lead in pair is repeated mid way through signal, and the signal repeats by a kind of ditto. Here's one way of apportioning the bits:
Code:
IRP = {38.0k,182}<3,-3|3,-6>(20,-10,T:2,D:6,F:8,S:8,20,-10,~T:2,D:6,~F:8,3,^108m,(20,-20,3,^108m)*)   T=3

Here's the decodes. I've rearranged the order to make the OBCs ascending.
Code:
Power     GuangZhou   Dev 17 Sub 65 OBC 16   
Mute      GuangZhou   Dev 17 Sub 65 OBC 17    
Vol Up    GuangZhou   Dev 17 Sub 65 OBC 19   
Vol Down  GuangZhou   Dev 17 Sub 65 OBC 20   
Page Up   GuangZhou   Dev 17 Sub 65 OBC 21   
Page Down GuangZhou   Dev 17 Sub 65 OBC 22    
Like      GuangZhou   Dev 17 Sub 65 OBC 23    
Main Page GuangZhou   Dev 17 Sub 65 OBC 24     
Mail      GuangZhou   Dev 17 Sub 65 OBC 25    
Guide     GuangZhou   Dev 17 Sub 65 OBC 26    
Info      GuangZhou   Dev 17 Sub 65 OBC 27    
Back      GuangZhou   Dev 17 Sub 65 OBC 28    
Exit      GuangZhou   Dev 17 Sub 65 OBC 29     
Up        GuangZhou   Dev 17 Sub 65 OBC 30     
Down      GuangZhou   Dev 17 Sub 65 OBC 31    
Left      GuangZhou   Dev 17 Sub 65 OBC 32     
Right     GuangZhou   Dev 17 Sub 65 OBC 33    
TV        GuangZhou   Dev 17 Sub 65 OBC 35    
Red       GuangZhou   Dev 17 Sub 65 OBC 42   
Green     GuangZhou   Dev 17 Sub 65 OBC 43   
Yellow    GuangZhou   Dev 17 Sub 65 OBC 44    
Blue      GuangZhou   Dev 17 Sub 65 OBC 45   
0         GuangZhou   Dev 17 Sub 65 OBC 46   
1         GuangZhou   Dev 17 Sub 65 OBC 47   
2         GuangZhou   Dev 17 Sub 65 OBC 48    
3         GuangZhou   Dev 17 Sub 65 OBC 49    
4         GuangZhou   Dev 17 Sub 65 OBC 50    
5         GuangZhou   Dev 17 Sub 65 OBC 51   
6         GuangZhou   Dev 17 Sub 65 OBC 52   
7         GuangZhou   Dev 17 Sub 65 OBC 53   
8         GuangZhou   Dev 17 Sub 65 OBC 54   
9         GuangZhou   Dev 17 Sub 65 OBC 55   
*         GuangZhou   Dev 17 Sub 65 OBC 56   
#         GuangZhou   Dev 17 Sub 65 OBC 57   


I don't have time to work on an executor right now, but I think it will fit in the Slingbox OK.
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