Quick response.  Wgbrass has never worked well in my experience.  I got reasonable sounds when using a lower sample rate but never found what I suspect is a coding error.

Will look again later.

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On Jun 11, 2018, 10:07, at 10:07, Arun Kumar  wrote:
>Hi,
>I'm trying to connect an Arduino to Csound via MIDI. I'm having trouble
>getting the sounds to work for the wgbrass opcode. I've recreated the
>problem using sensekey, so it works from the keyboard instead of the
>Arduino.
>
>i have my instrument 1 which increases and decreases the global
>frequency
>variable based on key presses
>gkFreq init 200
>
>gaSend init 0
>
>instr 1
>    k1  sensekey
>    if k1 == 66 then ;down arrow key
>        gkFreq = gkFreq - 10
>    elseif k1 == 65 then ; up arrow key
>        gkFreq = gkFreq + 10
>    elseif k1 == 97 then ; 'a' key turns on instrument
>    event "i", 2, 0, 4, gkFreq, 0.4, 0.1, 6.128
>           ;this only works in this way. i can't set gkFreq directly in
>the instrument, but i need to pass it along as p variables to the
>instrument
>    elseif k1 == 32 then ; spacebar turns off all instruments
>turnoff2 2, 0, 1
>    endif
>    if gkFreq < 200 then
>        gkFreq = 200
>    elseif gkFreq > 1000 then
>        gkFreq = 200
>    endif
>    printk2 gkFreq
>endin
>
>instr 2
>  kamp = 0.5
>  kfreq = p4
>  ktens = p5
>  iatt = p6
>  kvibf = p7
>  ifn = 1
>
>  ; Create an amplitude envelope for the vibrato.
>  kvamp line 0, p3, 0.5
>
>  a1 wgbrass kamp, kfreq, ktens, iatt, kvibf, kvamp, ifn
>;a1 wgbrass kamp, gkFreq, ktens, iatt, kvibf, kvamp, ifn ; this does
>not
>work
>  ;a1 wgbrass kamp, 440, 0.4, 0.01, 6.137, kvamp, 1 ;setting values
>directly does not work either
> ;a1 oscil 0.6, gkFreq ;this works, i'm able to change the frequency of
>the oscillator.
>  outs a1, a1
>  gaSend = gaSend + a1/3
>endin
>
>the code for wgbrass i've taken from the example on the wgbrass opcode
>page
>- http://www.csounds.com/manual/html/wgbrass.html .
>
>I have a similar setup which is working using the wgbow opcode which
>I've
>taken from here -
>http://write.flossmanuals.net/csound/g-physical-modelling/
>
>I'm attaching both files to this email. bow.csd is the working example,
>and
>brass.csd is the one i'm having trouble with.
>
>The behaviours i'm finding are that if i turn on the instrument
>repeatedly
>then i only hear clicks. i only hear clicks for a lot of the
>frequencies. I
>need to change frequency to hear a tone sometimes.
>
>Can someone please explain what I'm doing wrong? I'm new to Csound.
>
>Thanks for your time.
>
>Regards,
>arun
>
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>Discussions of bugs and features can be posted here

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Hi John,
Thanks for your quick response. I will experiment with lower sample rates
and see if that helps.

>Quick response.  Wgbrass has never worked well in my experience.  I got
reasonable sounds when using a lower sample rate but never found what I
suspect is a coding error. 

>Will look again later. 



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