pawaga

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About pawaga

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    MIDIbox Newbie

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  • Location France
  1. MIDIbox SEQ V4 Release + Feedback

    hi, here is a bug report. i made a fresh session with 4 drum tracks (64/2*64) on group 1. Copied the 4 track from group 1 to groups 2 3 4. On group 1, everything is fine, but in groups 2-4, track 3 has a weird behaviour : active steps are skipped. I joined a zip containing the session. Best regard. mbseq_debug.zip
  2. Panel Angle Question

    hi,  here is what i've done with some pieces of wood, aluminium and acriglass i had around, very cheap and yes, it's really usefull :) that way, i can use my seq also flat when i wish.  
  3. @mongrol yes it's possible to shave a bit the panel, maybe 1cm on each side, if you tie the cs to bottom. it would be a cool evolution. i did it that way because i'm too lazy to redesign the whole thing ! here is the original acrylic layout :     @EsotericLabs i don't think i will use an ethernet module as i don't have use of the OSC and probably won't..i did not knew that when i build it, so.. i put an ethernet plug to fill the hole, to avoid *bugs* to come in. You will says that there are some holes on the sides, but those are for bees.  
  4. about the usb panel mount screw holes, i send an updated version of the svg file in the original post, i'm not sure it's 100% perfect but it should be good now. Of course you should check with datasheets if possible.  
  5. yes it is ! cheapo panel mount usb and ethernet plugs, from the bay. *beware* of the screw holes for the usb adapter, they are a little bit too distant (~1mm each ; it works as it is but it should be better). Here is the regulator board layout, adapted from the ambika schematics :
  6. @mongrol yes, the cs is mounted with 10mm standoff, the midi io and quad iic are mounted on 12 mm standoff. the core on 10mm standoff. there are also 6 extra standoff from cs to bottom, they are ~ 61mm long  : 2x 25mm + 1x10mm + 1 washer to make it really tight here is a shoot of the inside :    
  7. yes, they are cheap, but there is a cost for that : they do not fit exactly with standard tact switch : i had to put some tiny piece of wood inside the caps to allow them to push correctly the switch.. not a big deal but it has to be said  
  8. the caps are chip one from ebay, like those : http://www.ebay.fr/itm/25-Pcs-Round-Tact-Tactile-Piano-Key-Switch-Caps-Pushbutton-Covers-Gray-/231735004579?hash=item35f47b8da3:g:zS0AAOSwA4dWMYFE the top diameter is 9mm.    
  9. hi, if you want to go the ponoko route, i made a design with rounded buttons.. It can be a bit better as the button holes are a bit loo large for mine (~0.5mm, but it's still good enough) : the laser beam size must be included, so beware of that.. Fortunately, here is the svg file so you can modify it if needed :)   seq_enclosure_pvi_3.svg.zip seq_enclosure_pvi_3b.svg.zip
  10. MIDIbox SEQ V4 Release + Feedback

    hi, some troubles with the USB Host support here : i use a k-board which works fine on a pc. if used with the midiseq, sometimes, the noteoff or noteon events are lost. It seems to happen randomly though only when the sequencer is running...
  11. Unquantized recording + extra humanization

    hi, i just wanted to share my view  : some times ago, i experimented a custom firmware which use the delay layer to record that human touch ; that way we can use the benefit of the 384ppqn, for any step resolution.. it would also be much easier that way to view and modify the quantization, re-quantize the whole pattern, use different quantization methods... The way i did it is just a hack and it would be better written in a proper way (with a bipolar % of the the step length, from -50% to +50%..). Maybe an idea for the seqV4+ ? best regards, Patrice  
  12. MIDIbox SEQ V4 Release + Feedback

    hello Thorsten, thanks for your help, i understand now. yes, i tested it and it work now for different clock dividers ! i also added the quantization :   } else { //handle the delay layer // if a delay layer is present, record to it u8 num_p_layers = SEQ_PAR_NumLayersGet(track); u8 *layer_type_ptr = (u8 *) & tcc->lay_const[0 * 16]; int par_layer; u8 instrument = 0; u16 delay; for (par_layer = 0; par_layer < num_p_layers; ++par_layer, ++layer_type_ptr) { if (*layer_type_ptr == SEQ_PAR_Type_Delay) { delay = ((SEQ_BPM_TickGet() - t->rec_timestamp ) * 96) / t->step_length; if( delay >= 96 ) delay -= 96; // because quantisation has put the event into the next step delay -= (delay * seq_record_quantize) / 100;//quantize it SEQ_PAR_Set(track, ui_selected_step, par_layer, instrument, delay ); break; } } }   The next point i want to tackle is the pitch layer : discrete values are not very useful for that, it would be nice to glide values between two step...(for CCs as well)   best regards Patrice
  13. MIDIbox SEQ V4 Release + Feedback

    hi, the "delay" layer is not recorded in live rec mode, so i tried something : I added this in seq_record.c, around line 472 : } else {                     //handle the delay layer                     // if a delay layer is present, record to it                     u8 num_p_layers = SEQ_PAR_NumLayersGet(track);                     u8 *layer_type_ptr = (u8 *) & tcc->lay_const[0 * 16];                     int par_layer;                     u8 instrument = 0;                     u8 delay;                     for (par_layer = 0; par_layer < num_p_layers; ++par_layer, ++layer_type_ptr) {                         if (*layer_type_ptr == SEQ_PAR_Type_Delay) {                             delay = (SEQ_BPM_TickGet() - t->rec_timestamp) / 4; // not sure about the "/4", but give weird results if the delay val is too large                             SEQ_PAR_Set(track, ui_selected_step, par_layer, instrument, delay );                             break;                         }                     }                 }   it works but not very accurate... Anyway , so far, i like it!   best regards Patrice
  14. MIDIbox SEQ V4 Release + Feedback

    it works great now. thanks a lot !
  15. MIDIbox SEQ V4 Release + Feedback

    About the nth feature, I think there is a problem with drum tracks : if i set a nth param on a step, it will work until another drum play on the same step.