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here s a link to a small vidéo i did tonight if you want to see it working ...
http://www.youtube.com/watch?v=tTzMRV2wuck

it s a crappy prototype , wires (for choke) are taped to the cymbal  as i wasnt able to solder them properly...

...not reliable at all , but its working...at least for the moment 
   
enjoy...

thanx Louis ... you ve allready done so much for 2BOX users ...

I guess the company could maybe fix this issue and give users a "cured" sample library ...

DDRUM or 2BOX conceptors spent a lot of time trying to reduce jitter and latency on their great modules , trying to gain maybe less than milliseconds ...

  As Louis even found a sample with a pre delay 38 millisecond , great improvements could be done easyly .

 

Beeing stucked at home last days because of a bad back can have some good sides ... 

Thanks to all your answears and some research on the web , I tried to convert some old cymbals i had .

I took a broken thin istambul 14" crash ...

   first try with just sticking a piezo close to the bell with some gaffa tape , as i just had one big old and used 35mm one , i was not able to stick it directly underneath  the bell  as it s supposed to be ( later on , i gonna order different sizes of piezo to try to glue it directly below the bell ...) I plugged this piezzo  to TIP/SLEEVE , it worked with bow and bell...

After that , i tried to connect a footswitch to RING/SLEEVE of cymbal 1 to see what was happening , and was able to choke the sound....

Then i remember what fishmonkey told here about metal plates ...

    I took my old 14""zildjan quick beat " botom hat , that one have no bell but a flat shape , like some flat rides have . I made a "sandwich" with the hi hat bottom , a 12 " round peace of 2 mm thick felt ( those you use between cymbals to protect them on some cymbal boxes  to insulate them from each other electrically and also damp the sound...) and the thin 14" crash on top .....
   I used a regular cymbal holder to maintain the "sandwich" together and fasten the screw quite tight....
   Then I  wired TRS "sleeve" to one cymbal and TRS "ring" to the other ....

   I plugged this to Cymbal1 , and FUCK YEAH !!! it worked !!!    bow/bell and edge worked fine , and also choke !!!

When trying on Cymbal 2 , bow/bell and edge worked fine , but choke didn t ... but i m not sure it works on 2BOX cymbals too ... if anybody could tell me as i dont own any 2BOX hardware ......
edit : finally the choke worked on the ride ....


   I also tried to plug a piezo close to one edge of a old wooden triangular roland PD20 pad ... pluged the roland pad to TIP/SLEEVE and the extra piezzo  to RING/SLEEVE ... I wanted to use this  as a ride cymbal where i could use BOW/BELL/EDGE sound....
... and it worked too !!!!    Hitting strong in the middle gave a bell sound , more on the side(opposite to the extra piezo) a bow sound , and close to the extra piezo , it triggered zone 8 with a crash sound .... 
GREAT!!! but i asked myself if it could damage the module , as RING/SLEEVE is supposed to be a switch and not a piezo transducer ...
So maybe , dont try this before some answears....
MANFRED , could you please help me , i m a lousy electronitian , as i m just able to solder a plug by myself .... could this dammage the brain ( not mine... the drumit one...)

Cant wait to recieve new piezo to experiment , as i seriously damaged  the only one i had for those trials ....
If anybody have some advices for me to buy good piezo of different sizes over the web ....

thanx for answearing ....

38 millisecond is really huge !!! Even  a crappy computer with a crappy soundcard and a shitty midi trigger  would act better ...

Do you think it could be an easy way to repair those *.dsnd , by automatly removing
unwanted silence at the beginning of each layer ??  maybe with Dsoundtool ...



I just ask , because i dont know anything  about programing ... and having to split dsnd , trim each samples  separately and then reconvert them to dsnd back could be a real drama ...

hey Louis , glad you re back safe from the woods....

I did use your (excellent) tool to render a new factory sound called "Walnut 20 Kick 1" and then had a look on those wav files using Soundforge ...

guess i found it on 2 box download page ... I reopened it to check before posting ,and it shows a silence that is different for each Wav slice ... it s at the beginning of the sound , some have a millisecond or less , and some like " Walnut 20 Kick 1/14 " shows 3 milliseconds of silence before the real start of the attack  ....

  so i was wondering if it was a result of the wav conversion by dsoundtool , or careless trim job while  editing the slices when programmers made the *.dsnd file...

sorry for my english and thanx for your work

and "good resolutions" made in early january rarely work.. but here is a +1 to encourage you ....

yes ,youre right ... bow and edge ... sorry for the mistake ...

the drummers of burundi !!! I saw them as I was 15 years old ... they make me want to play drums in a tribal way i guess ....but not with those juggling movements...

http://www.youtube.com/watch?v=Gpsq_61CqMk&NR=1

enjoy !

understood your point ...
I m also really happy that 2box crew is part of us here ... and such colaborating link is rare and precious...   
   I didnt mean that they will be forced to answear ,and dint think that so many people would "harass"  them ...

it s allways  interesting to have other members opinion by posting or votes ...

Maybe positional sensing based on waveform analysis is also feasible. But according to the bad experience with the cymbals this might be difficult.
Manfred

   yes , i understand , it would add delay for the analysis , and mesh heads signal may vary even more than on an original 2BOX cymbal pad : because of differencies of brand ,number of plys and tension ... maybe some calibration could be done by hitting center and side of the skin at different velocities to make the module "learn", but we ll still have the "analysis delay issue"...

Deve and the 2box team ...
sounds like
Me, myself and I

No , it s just  to communicate easyly with them , in a way that all members could read and reply too if they want to ...

hello UC ,

Could you add a new BOARD or even a STICKY TOPIC to this forum where members would post their questions to Deve LOPER (Deve , is your wifes first-name cindy ? ) and the 2box team ?

Do someone know the exact type and reference of piezo used in 2box pads ?

That could help fot DIY projects or simply for having spare parts for repairing pads if you dont have time to send them back to the manufacturer , as your gig is in 2 hours ...

deve , i know that 2box is an open sound , not an open system , but DIY is not a crime , and just a small amount of users like to make their own stuff ...

thanx guys for this usefull work....

Your last mesurements on hihat is more logicals as values are  the same for cymbals ,that have also a bell/bow detection ...

it s strange that edge sound needs more time to be triggered ...

... this millisecond of silence is also increased when you pitch the sound down : @ -12 pitch , it's 2 milliseconds ....

  With real drums , the distance between your ears and the snare is about 50 cm : that makes 1.5 millisecond for the sound to "travel" to your ears . People may have different degrees of sensibility to this delay , but i m sure the less "delay " you have n the better it feels to play on the kit ... even more if you mix acoustic drums or hihat  with an Ekit or if you play at high tempos ...

  In the past i had an alesis D4 , and the latency of it bothered me a lot , I also experimented with triggering realtime with the excellent VST DRUMAGOG ... by tweaking my computer to make "IN to OUT" as fast as possible i could reach less than 3 millisecond ( 96khz , 32 samples of buffer on an RME soundcard + software latency), and that s where it began to be realistic  for my ears ...

As a computer based trigger set is somewhere complicated , i decided to move to the Drumit 5 , cause it s so better just to power the module , put the headphone on and play immediately when you want to ..